fftools_ffmpeg_opt.c
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/*
* ffmpeg option parsing
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* CHANGES 01.2021
* - NDK r22 incompatibility issues regarding INT64_MAX fixed
*
* CHANGES 01.2020
* - ffprobe support changes
*
* CHANGES 12.2019
* - Concurrent execution support
*
* CHANGES 08.2018
* --------------------------------------------------------
* - fftools_ prefix added to file name and parent headers
*
* CHANGES 07.2018
* --------------------------------------------------------
* - Parentheses placed around assignments in condition to prevent -Wparentheses warning
*/
#include <stdint.h>
#include "fftools_ffmpeg.h"
#include "fftools_cmdutils.h"
#include "libavformat/avformat.h"
#include "libavcodec/avcodec.h"
#include "libavfilter/avfilter.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/avutil.h"
#include "libavutil/channel_layout.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/fifo.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "libavutil/pixdesc.h"
#include "libavutil/pixfmt.h"
#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
#define SPECIFIER_OPT_FMT_str "%s"
#define SPECIFIER_OPT_FMT_i "%i"
#define SPECIFIER_OPT_FMT_i64 "%"PRId64
#define SPECIFIER_OPT_FMT_ui64 "%"PRIu64
#define SPECIFIER_OPT_FMT_f "%f"
#define SPECIFIER_OPT_FMT_dbl "%lf"
static const char *const opt_name_codec_names[] = {"c", "codec", "acodec", "vcodec", "scodec", "dcodec", NULL};
static const char *const opt_name_audio_channels[] = {"ac", NULL};
static const char *const opt_name_audio_sample_rate[] = {"ar", NULL};
static const char *const opt_name_frame_rates[] = {"r", NULL};
static const char *const opt_name_max_frame_rates[] = {"fpsmax", NULL};
static const char *const opt_name_frame_sizes[] = {"s", NULL};
static const char *const opt_name_frame_pix_fmts[] = {"pix_fmt", NULL};
static const char *const opt_name_ts_scale[] = {"itsscale", NULL};
static const char *const opt_name_hwaccels[] = {"hwaccel", NULL};
static const char *const opt_name_hwaccel_devices[] = {"hwaccel_device", NULL};
static const char *const opt_name_hwaccel_output_formats[] = {"hwaccel_output_format", NULL};
static const char *const opt_name_autorotate[] = {"autorotate", NULL};
static const char *const opt_name_autoscale[] = {"autoscale", NULL};
static const char *const opt_name_max_frames[] = {"frames", "aframes", "vframes", "dframes", NULL};
static const char *const opt_name_bitstream_filters[] = {"bsf", "absf", "vbsf", NULL};
static const char *const opt_name_codec_tags[] = {"tag", "atag", "vtag", "stag", NULL};
static const char *const opt_name_sample_fmts[] = {"sample_fmt", NULL};
static const char *const opt_name_qscale[] = {"q", "qscale", NULL};
static const char *const opt_name_forced_key_frames[] = {"forced_key_frames", NULL};
static const char *const opt_name_force_fps[] = {"force_fps", NULL};
static const char *const opt_name_frame_aspect_ratios[] = {"aspect", NULL};
static const char *const opt_name_rc_overrides[] = {"rc_override", NULL};
static const char *const opt_name_intra_matrices[] = {"intra_matrix", NULL};
static const char *const opt_name_inter_matrices[] = {"inter_matrix", NULL};
static const char *const opt_name_chroma_intra_matrices[] = {"chroma_intra_matrix", NULL};
static const char *const opt_name_top_field_first[] = {"top", NULL};
static const char *const opt_name_presets[] = {"pre", "apre", "vpre", "spre", NULL};
static const char *const opt_name_copy_initial_nonkeyframes[] = {"copyinkfr", NULL};
static const char *const opt_name_copy_prior_start[] = {"copypriorss", NULL};
static const char *const opt_name_filters[] = {"filter", "af", "vf", NULL};
static const char *const opt_name_filter_scripts[] = {"filter_script", NULL};
static const char *const opt_name_reinit_filters[] = {"reinit_filter", NULL};
static const char *const opt_name_fix_sub_duration[] = {"fix_sub_duration", NULL};
static const char *const opt_name_canvas_sizes[] = {"canvas_size", NULL};
static const char *const opt_name_pass[] = {"pass", NULL};
static const char *const opt_name_passlogfiles[] = {"passlogfile", NULL};
static const char *const opt_name_max_muxing_queue_size[] = {"max_muxing_queue_size", NULL};
static const char *const opt_name_muxing_queue_data_threshold[] = {"muxing_queue_data_threshold", NULL};
static const char *const opt_name_guess_layout_max[] = {"guess_layout_max", NULL};
static const char *const opt_name_apad[] = {"apad", NULL};
static const char *const opt_name_discard[] = {"discard", NULL};
static const char *const opt_name_disposition[] = {"disposition", NULL};
static const char *const opt_name_time_bases[] = {"time_base", NULL};
static const char *const opt_name_enc_time_bases[] = {"enc_time_base", NULL};
#define WARN_MULTIPLE_OPT_USAGE(name, type, so, st)\
{\
char namestr[128] = "";\
const char *spec = so->specifier && so->specifier[0] ? so->specifier : "";\
for (i = 0; opt_name_##name[i]; i++)\
av_strlcatf(namestr, sizeof(namestr), "-%s%s", opt_name_##name[i], opt_name_##name[i+1] ? (opt_name_##name[i+2] ? ", " : " or ") : "");\
av_log(NULL, AV_LOG_WARNING, "Multiple %s options specified for stream %d, only the last option '-%s%s%s "SPECIFIER_OPT_FMT_##type"' will be used.\n",\
namestr, st->index, opt_name_##name[0], spec[0] ? ":" : "", spec, so->u.type);\
}
#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
{\
int i, ret, matches = 0;\
SpecifierOpt *so;\
for (i = 0; i < o->nb_ ## name; i++) {\
char *spec = o->name[i].specifier;\
if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0) {\
outvar = o->name[i].u.type;\
so = &o->name[i];\
matches++;\
} else if (ret < 0)\
exit_program(1);\
}\
if (matches > 1)\
WARN_MULTIPLE_OPT_USAGE(name, type, so, st);\
}
#define MATCH_PER_TYPE_OPT(name, type, outvar, fmtctx, mediatype)\
{\
int i;\
for (i = 0; i < o->nb_ ## name; i++) {\
char *spec = o->name[i].specifier;\
if (!strcmp(spec, mediatype))\
outvar = o->name[i].u.type;\
}\
}
const HWAccel hwaccels[] = {
#if CONFIG_VIDEOTOOLBOX
{ "videotoolbox", videotoolbox_init, HWACCEL_VIDEOTOOLBOX, AV_PIX_FMT_VIDEOTOOLBOX },
#endif
#if CONFIG_LIBMFX
{ "qsv", qsv_init, HWACCEL_QSV, AV_PIX_FMT_QSV },
#endif
{ 0 },
};
__thread HWDevice *filter_hw_device;
__thread char *vstats_filename;
__thread char *sdp_filename;
__thread float audio_drift_threshold = 0.1;
__thread float dts_delta_threshold = 10;
__thread float dts_error_threshold = 3600*30;
__thread int audio_volume = 256;
__thread int audio_sync_method = 0;
__thread int video_sync_method = VSYNC_AUTO;
__thread float frame_drop_threshold = 0;
__thread int do_deinterlace = 0;
__thread int do_benchmark = 0;
__thread int do_benchmark_all = 0;
__thread int do_hex_dump = 0;
__thread int do_pkt_dump = 0;
__thread int copy_ts = 0;
__thread int start_at_zero = 0;
__thread int copy_tb = -1;
__thread int debug_ts = 0;
__thread int exit_on_error = 0;
__thread int abort_on_flags = 0;
__thread int print_stats = -1;
__thread int qp_hist = 0;
__thread int stdin_interaction = 1;
__thread int frame_bits_per_raw_sample = 0;
__thread float max_error_rate = 2.0/3;
__thread int filter_nbthreads = 0;
__thread int filter_complex_nbthreads = 0;
__thread int vstats_version = 2;
__thread int auto_conversion_filters = 1;
__thread int64_t stats_period = 500000;
__thread int intra_only = 0;
__thread int file_overwrite = 0;
__thread int no_file_overwrite = 0;
__thread int do_psnr = 0;
__thread int input_sync;
__thread int input_stream_potentially_available = 0;
__thread int ignore_unknown_streams = 0;
__thread int copy_unknown_streams = 0;
__thread int find_stream_info = 1;
extern __thread OptionDef *ffmpeg_options;
void uninit_options(OptionsContext *o)
{
const OptionDef *po = ffmpeg_options;
int i;
/* all OPT_SPEC and OPT_STRING can be freed in generic way */
while (po->name) {
void *dst = (uint8_t*)o + po->u.off;
if (po->flags & OPT_SPEC) {
SpecifierOpt **so = dst;
int i, *count = (int*)(so + 1);
for (i = 0; i < *count; i++) {
av_freep(&(*so)[i].specifier);
if (po->flags & OPT_STRING)
av_freep(&(*so)[i].u.str);
}
av_freep(so);
*count = 0;
} else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
av_freep(dst);
po++;
}
for (i = 0; i < o->nb_stream_maps; i++)
av_freep(&o->stream_maps[i].linklabel);
av_freep(&o->stream_maps);
av_freep(&o->audio_channel_maps);
av_freep(&o->streamid_map);
av_freep(&o->attachments);
}
void init_options(OptionsContext *o)
{
memset(o, 0, sizeof(*o));
o->stop_time = INT64_MAX;
o->mux_max_delay = 0.7;
o->start_time = AV_NOPTS_VALUE;
o->start_time_eof = AV_NOPTS_VALUE;
o->recording_time = INT64_MAX;
o->limit_filesize = UINT64_MAX;
o->chapters_input_file = INT_MAX;
o->accurate_seek = 1;
o->thread_queue_size = -1;
}
int show_hwaccels(void *optctx, const char *opt, const char *arg)
{
enum AVHWDeviceType type = AV_HWDEVICE_TYPE_NONE;
av_log(NULL, AV_LOG_STDERR, "Hardware acceleration methods:\n");
while ((type = av_hwdevice_iterate_types(type)) !=
AV_HWDEVICE_TYPE_NONE)
av_log(NULL, AV_LOG_STDERR, "%s\n", av_hwdevice_get_type_name(type));
av_log(NULL, AV_LOG_STDERR, "\n");
return 0;
}
/* return a copy of the input with the stream specifiers removed from the keys */
AVDictionary *strip_specifiers(AVDictionary *dict)
{
AVDictionaryEntry *e = NULL;
AVDictionary *ret = NULL;
while ((e = av_dict_get(dict, "", e, AV_DICT_IGNORE_SUFFIX))) {
char *p = strchr(e->key, ':');
if (p)
*p = 0;
av_dict_set(&ret, e->key, e->value, 0);
if (p)
*p = ':';
}
return ret;
}
int opt_abort_on(void *optctx, const char *opt, const char *arg)
{
const AVOption opts[] = {
{ "abort_on" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, (double)INT64_MAX, .unit = "flags" },
{ "empty_output" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = ABORT_ON_FLAG_EMPTY_OUTPUT }, .unit = "flags" },
{ "empty_output_stream", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = ABORT_ON_FLAG_EMPTY_OUTPUT_STREAM }, .unit = "flags" },
{ NULL },
};
const AVClass class = {
.class_name = "",
.item_name = av_default_item_name,
.option = opts,
.version = LIBAVUTIL_VERSION_INT,
};
const AVClass *pclass = &class;
return av_opt_eval_flags(&pclass, &opts[0], arg, &abort_on_flags);
}
int opt_stats_period(void *optctx, const char *opt, const char *arg)
{
int64_t user_stats_period = parse_time_or_die(opt, arg, 1);
if (user_stats_period <= 0) {
av_log(NULL, AV_LOG_ERROR, "stats_period %s must be positive.\n", arg);
return AVERROR(EINVAL);
}
stats_period = user_stats_period;
av_log(NULL, AV_LOG_INFO, "ffmpeg stats and -progress period set to %s.\n", arg);
return 0;
}
int opt_sameq(void *optctx, const char *opt, const char *arg)
{
av_log(NULL, AV_LOG_ERROR, "Option '%s' was removed. "
"If you are looking for an option to preserve the quality (which is not "
"what -%s was for), use -qscale 0 or an equivalent quality factor option.\n",
opt, opt);
return AVERROR(EINVAL);
}
int opt_video_channel(void *optctx, const char *opt, const char *arg)
{
av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
return opt_default(optctx, "channel", arg);
}
int opt_video_standard(void *optctx, const char *opt, const char *arg)
{
av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
return opt_default(optctx, "standard", arg);
}
int opt_audio_codec(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
return parse_option(o, "codec:a", arg, ffmpeg_options);
}
int opt_video_codec(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
return parse_option(o, "codec:v", arg, ffmpeg_options);
}
int opt_subtitle_codec(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
return parse_option(o, "codec:s", arg, ffmpeg_options);
}
int opt_data_codec(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
return parse_option(o, "codec:d", arg, ffmpeg_options);
}
int opt_map(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
StreamMap *m = NULL;
int i, negative = 0, file_idx, disabled = 0;
int sync_file_idx = -1, sync_stream_idx = 0;
char *p, *sync;
char *map;
char *allow_unused;
if (*arg == '-') {
negative = 1;
arg++;
}
map = av_strdup(arg);
if (!map)
return AVERROR(ENOMEM);
/* parse sync stream first, just pick first matching stream */
if ((sync = strchr(map, ','))) {
*sync = 0;
sync_file_idx = strtol(sync + 1, &sync, 0);
if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
exit_program(1);
}
if (*sync)
sync++;
for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
if (check_stream_specifier(input_files[sync_file_idx]->ctx,
input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
sync_stream_idx = i;
break;
}
if (i == input_files[sync_file_idx]->nb_streams) {
av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
"match any streams.\n", arg);
exit_program(1);
}
if (input_streams[input_files[sync_file_idx]->ist_index + sync_stream_idx]->user_set_discard == AVDISCARD_ALL) {
av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s matches a disabled input "
"stream.\n", arg);
exit_program(1);
}
}
if (map[0] == '[') {
/* this mapping refers to lavfi output */
const char *c = map + 1;
GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
m = &o->stream_maps[o->nb_stream_maps - 1];
m->linklabel = av_get_token(&c, "]");
if (!m->linklabel) {
av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
exit_program(1);
}
} else {
if ((allow_unused = strchr(map, '?')))
*allow_unused = 0;
file_idx = strtol(map, &p, 0);
if (file_idx >= nb_input_files || file_idx < 0) {
av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
exit_program(1);
}
if (negative)
/* disable some already defined maps */
for (i = 0; i < o->nb_stream_maps; i++) {
m = &o->stream_maps[i];
if (file_idx == m->file_index &&
check_stream_specifier(input_files[m->file_index]->ctx,
input_files[m->file_index]->ctx->streams[m->stream_index],
*p == ':' ? p + 1 : p) > 0)
m->disabled = 1;
}
else
for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
*p == ':' ? p + 1 : p) <= 0)
continue;
if (input_streams[input_files[file_idx]->ist_index + i]->user_set_discard == AVDISCARD_ALL) {
disabled = 1;
continue;
}
GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
m = &o->stream_maps[o->nb_stream_maps - 1];
m->file_index = file_idx;
m->stream_index = i;
if (sync_file_idx >= 0) {
m->sync_file_index = sync_file_idx;
m->sync_stream_index = sync_stream_idx;
} else {
m->sync_file_index = file_idx;
m->sync_stream_index = i;
}
}
}
if (!m) {
if (allow_unused) {
av_log(NULL, AV_LOG_VERBOSE, "Stream map '%s' matches no streams; ignoring.\n", arg);
} else if (disabled) {
av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches disabled streams.\n"
"To ignore this, add a trailing '?' to the map.\n", arg);
exit_program(1);
} else {
av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n"
"To ignore this, add a trailing '?' to the map.\n", arg);
exit_program(1);
}
}
av_freep(&map);
return 0;
}
int opt_attach(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
GROW_ARRAY(o->attachments, o->nb_attachments);
o->attachments[o->nb_attachments - 1] = arg;
return 0;
}
int opt_map_channel(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
int n;
AVStream *st;
AudioChannelMap *m;
char *allow_unused;
char *mapchan;
mapchan = av_strdup(arg);
if (!mapchan)
return AVERROR(ENOMEM);
GROW_ARRAY(o->audio_channel_maps, o->nb_audio_channel_maps);
m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
/* muted channel syntax */
n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
if ((n == 1 || n == 3) && m->channel_idx == -1) {
m->file_idx = m->stream_idx = -1;
if (n == 1)
m->ofile_idx = m->ostream_idx = -1;
av_free(mapchan);
return 0;
}
/* normal syntax */
n = sscanf(arg, "%d.%d.%d:%d.%d",
&m->file_idx, &m->stream_idx, &m->channel_idx,
&m->ofile_idx, &m->ostream_idx);
if (n != 3 && n != 5) {
av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
"[file.stream.channel|-1][:syncfile:syncstream]\n");
exit_program(1);
}
if (n != 5) // only file.stream.channel specified
m->ofile_idx = m->ostream_idx = -1;
/* check input */
if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
m->file_idx);
exit_program(1);
}
if (m->stream_idx < 0 ||
m->stream_idx >= input_files[m->file_idx]->nb_streams) {
av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
m->file_idx, m->stream_idx);
exit_program(1);
}
st = input_files[m->file_idx]->ctx->streams[m->stream_idx];
if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO) {
av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
m->file_idx, m->stream_idx);
exit_program(1);
}
/* allow trailing ? to map_channel */
if ((allow_unused = strchr(mapchan, '?')))
*allow_unused = 0;
if (m->channel_idx < 0 || m->channel_idx >= st->codecpar->channels ||
input_streams[input_files[m->file_idx]->ist_index + m->stream_idx]->user_set_discard == AVDISCARD_ALL) {
if (allow_unused) {
av_log(NULL, AV_LOG_VERBOSE, "mapchan: invalid audio channel #%d.%d.%d\n",
m->file_idx, m->stream_idx, m->channel_idx);
} else {
av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n"
"To ignore this, add a trailing '?' to the map_channel.\n",
m->file_idx, m->stream_idx, m->channel_idx);
exit_program(1);
}
}
av_free(mapchan);
return 0;
}
int opt_sdp_file(void *optctx, const char *opt, const char *arg)
{
av_free(sdp_filename);
sdp_filename = av_strdup(arg);
return 0;
}
#if CONFIG_VAAPI
int opt_vaapi_device(void *optctx, const char *opt, const char *arg)
{
const char *prefix = "vaapi:";
char *tmp;
int err;
tmp = av_asprintf("%s%s", prefix, arg);
if (!tmp)
return AVERROR(ENOMEM);
err = hw_device_init_from_string(tmp, NULL);
av_free(tmp);
return err;
}
#endif
int opt_init_hw_device(void *optctx, const char *opt, const char *arg)
{
if (!strcmp(arg, "list")) {
enum AVHWDeviceType type = AV_HWDEVICE_TYPE_NONE;
av_log(NULL, AV_LOG_STDERR, "Supported hardware device types:\n");
while ((type = av_hwdevice_iterate_types(type)) !=
AV_HWDEVICE_TYPE_NONE)
av_log(NULL, AV_LOG_STDERR, "%s\n", av_hwdevice_get_type_name(type));
av_log(NULL, AV_LOG_STDERR, "\n");
exit_program(0);
} else {
return hw_device_init_from_string(arg, NULL);
}
}
int opt_filter_hw_device(void *optctx, const char *opt, const char *arg)
{
if (filter_hw_device) {
av_log(NULL, AV_LOG_ERROR, "Only one filter device can be used.\n");
return AVERROR(EINVAL);
}
filter_hw_device = hw_device_get_by_name(arg);
if (!filter_hw_device) {
av_log(NULL, AV_LOG_ERROR, "Invalid filter device %s.\n", arg);
return AVERROR(EINVAL);
}
return 0;
}
void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
{
if (*arg) {
*type = *arg;
switch (*arg) {
case 'g':
break;
case 's':
if (*(++arg) && *arg != ':') {
av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
exit_program(1);
}
*stream_spec = *arg == ':' ? arg + 1 : "";
break;
case 'c':
case 'p':
if (*(++arg) == ':')
*index = strtol(++arg, NULL, 0);
break;
default:
av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
exit_program(1);
}
} else
*type = 'g';
}
int fftools_copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
{
AVDictionary **meta_in = NULL;
AVDictionary **meta_out = NULL;
int i, ret = 0;
char type_in, type_out;
const char *istream_spec = NULL, *ostream_spec = NULL;
int idx_in = 0, idx_out = 0;
parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
if (!ic) {
if (type_out == 'g' || !*outspec)
o->metadata_global_manual = 1;
if (type_out == 's' || !*outspec)
o->metadata_streams_manual = 1;
if (type_out == 'c' || !*outspec)
o->metadata_chapters_manual = 1;
return 0;
}
if (type_in == 'g' || type_out == 'g')
o->metadata_global_manual = 1;
if (type_in == 's' || type_out == 's')
o->metadata_streams_manual = 1;
if (type_in == 'c' || type_out == 'c')
o->metadata_chapters_manual = 1;
/* ic is NULL when just disabling automatic mappings */
if (!ic)
return 0;
#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
if ((index) < 0 || (index) >= (nb_elems)) {\
av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
(desc), (index));\
exit_program(1);\
}
#define SET_DICT(type, meta, context, index)\
switch (type) {\
case 'g':\
meta = &context->metadata;\
break;\
case 'c':\
METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
meta = &context->chapters[index]->metadata;\
break;\
case 'p':\
METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
meta = &context->programs[index]->metadata;\
break;\
case 's':\
break; /* handled separately below */ \
default: av_assert0(0);\
}\
SET_DICT(type_in, meta_in, ic, idx_in);
SET_DICT(type_out, meta_out, oc, idx_out);
/* for input streams choose first matching stream */
if (type_in == 's') {
for (i = 0; i < ic->nb_streams; i++) {
if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
meta_in = &ic->streams[i]->metadata;
break;
} else if (ret < 0)
exit_program(1);
}
if (!meta_in) {
av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
exit_program(1);
}
}
if (type_out == 's') {
for (i = 0; i < oc->nb_streams; i++) {
if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
meta_out = &oc->streams[i]->metadata;
av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
} else if (ret < 0)
exit_program(1);
}
} else
av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
return 0;
}
int opt_recording_timestamp(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
char buf[128];
int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
struct tm time = *gmtime((time_t*)&recording_timestamp);
if (!strftime(buf, sizeof(buf), "creation_time=%Y-%m-%dT%H:%M:%S%z", &time))
return -1;
parse_option(o, "metadata", buf, ffmpeg_options);
av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
"tag instead.\n", opt);
return 0;
}
AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
{
const AVCodecDescriptor *desc;
const char *codec_string = encoder ? "encoder" : "decoder";
AVCodec *codec;
codec = encoder ?
avcodec_find_encoder_by_name(name) :
avcodec_find_decoder_by_name(name);
if (!codec && (desc = avcodec_descriptor_get_by_name(name))) {
codec = encoder ? avcodec_find_encoder(desc->id) :
avcodec_find_decoder(desc->id);
if (codec)
av_log(NULL, AV_LOG_VERBOSE, "Matched %s '%s' for codec '%s'.\n",
codec_string, codec->name, desc->name);
}
if (!codec) {
av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
exit_program(1);
}
if (codec->type != type) {
av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
exit_program(1);
}
return codec;
}
AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
{
char *codec_name = NULL;
MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
if (codec_name) {
AVCodec *codec = find_codec_or_die(codec_name, st->codecpar->codec_type, 0);
st->codecpar->codec_id = codec->id;
return codec;
} else
return avcodec_find_decoder(st->codecpar->codec_id);
}
/* Add all the streams from the given input file to the global
* list of input streams. */
void add_input_streams(OptionsContext *o, AVFormatContext *ic)
{
int i, ret;
for (i = 0; i < ic->nb_streams; i++) {
AVStream *st = ic->streams[i];
AVCodecParameters *par = st->codecpar;
InputStream *ist = av_mallocz(sizeof(*ist));
char *framerate = NULL, *hwaccel_device = NULL;
const char *hwaccel = NULL;
char *hwaccel_output_format = NULL;
char *codec_tag = NULL;
char *next;
char *discard_str = NULL;
const AVClass *cc = avcodec_get_class();
const AVOption *discard_opt = av_opt_find(&cc, "skip_frame", NULL, 0, 0);
if (!ist)
exit_program(1);
GROW_ARRAY(input_streams, nb_input_streams);
input_streams[nb_input_streams - 1] = ist;
ist->st = st;
ist->file_index = nb_input_files;
ist->discard = 1;
st->discard = AVDISCARD_ALL;
ist->nb_samples = 0;
ist->min_pts = INT64_MAX;
ist->max_pts = INT64_MIN;
ist->ts_scale = 1.0;
MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
ist->autorotate = 1;
MATCH_PER_STREAM_OPT(autorotate, i, ist->autorotate, ic, st);
MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
if (codec_tag) {
uint32_t tag = strtol(codec_tag, &next, 0);
if (*next)
tag = AV_RL32(codec_tag);
st->codecpar->codec_tag = tag;
}
ist->dec = choose_decoder(o, ic, st);
ist->decoder_opts = filter_codec_opts(o->g->codec_opts, ist->st->codecpar->codec_id, ic, st, ist->dec);
ist->reinit_filters = -1;
MATCH_PER_STREAM_OPT(reinit_filters, i, ist->reinit_filters, ic, st);
MATCH_PER_STREAM_OPT(discard, str, discard_str, ic, st);
ist->user_set_discard = AVDISCARD_NONE;
if ((o->video_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) ||
(o->audio_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) ||
(o->subtitle_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) ||
(o->data_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_DATA))
ist->user_set_discard = AVDISCARD_ALL;
if (discard_str && av_opt_eval_int(&cc, discard_opt, discard_str, &ist->user_set_discard) < 0) {
av_log(NULL, AV_LOG_ERROR, "Error parsing discard %s.\n",
discard_str);
exit_program(1);
}
ist->filter_in_rescale_delta_last = AV_NOPTS_VALUE;
ist->dec_ctx = avcodec_alloc_context3(ist->dec);
if (!ist->dec_ctx) {
av_log(NULL, AV_LOG_ERROR, "Error allocating the decoder context.\n");
exit_program(1);
}
ret = avcodec_parameters_to_context(ist->dec_ctx, par);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error initializing the decoder context.\n");
exit_program(1);
}
if (o->bitexact)
ist->dec_ctx->flags |= AV_CODEC_FLAG_BITEXACT;
switch (par->codec_type) {
case AVMEDIA_TYPE_VIDEO:
if(!ist->dec)
ist->dec = avcodec_find_decoder(par->codec_id);
// avformat_find_stream_info() doesn't set this for us anymore.
ist->dec_ctx->framerate = st->avg_frame_rate;
MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st);
if (framerate && av_parse_video_rate(&ist->framerate,
framerate) < 0) {
av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n",
framerate);
exit_program(1);
}
ist->top_field_first = -1;
MATCH_PER_STREAM_OPT(top_field_first, i, ist->top_field_first, ic, st);
MATCH_PER_STREAM_OPT(hwaccels, str, hwaccel, ic, st);
MATCH_PER_STREAM_OPT(hwaccel_output_formats, str,
hwaccel_output_format, ic, st);
if (!hwaccel_output_format && hwaccel && !strcmp(hwaccel, "cuvid")) {
av_log(NULL, AV_LOG_WARNING,
"WARNING: defaulting hwaccel_output_format to cuda for compatibility "
"with old commandlines. This behaviour is DEPRECATED and will be removed "
"in the future. Please explicitly set \"-hwaccel_output_format cuda\".\n");
ist->hwaccel_output_format = AV_PIX_FMT_CUDA;
} else if (hwaccel_output_format) {
ist->hwaccel_output_format = av_get_pix_fmt(hwaccel_output_format);
if (ist->hwaccel_output_format == AV_PIX_FMT_NONE) {
av_log(NULL, AV_LOG_FATAL, "Unrecognised hwaccel output "
"format: %s", hwaccel_output_format);
}
} else {
ist->hwaccel_output_format = AV_PIX_FMT_NONE;
}
if (hwaccel) {
// The NVDEC hwaccels use a CUDA device, so remap the name here.
if (!strcmp(hwaccel, "nvdec") || !strcmp(hwaccel, "cuvid"))
hwaccel = "cuda";
if (!strcmp(hwaccel, "none"))
ist->hwaccel_id = HWACCEL_NONE;
else if (!strcmp(hwaccel, "auto"))
ist->hwaccel_id = HWACCEL_AUTO;
else {
enum AVHWDeviceType type;
int i;
for (i = 0; hwaccels[i].name; i++) {
if (!strcmp(hwaccels[i].name, hwaccel)) {
ist->hwaccel_id = hwaccels[i].id;
break;
}
}
if (!ist->hwaccel_id) {
type = av_hwdevice_find_type_by_name(hwaccel);
if (type != AV_HWDEVICE_TYPE_NONE) {
ist->hwaccel_id = HWACCEL_GENERIC;
ist->hwaccel_device_type = type;
}
}
if (!ist->hwaccel_id) {
av_log(NULL, AV_LOG_FATAL, "Unrecognized hwaccel: %s.\n",
hwaccel);
av_log(NULL, AV_LOG_FATAL, "Supported hwaccels: ");
type = AV_HWDEVICE_TYPE_NONE;
while ((type = av_hwdevice_iterate_types(type)) !=
AV_HWDEVICE_TYPE_NONE)
av_log(NULL, AV_LOG_FATAL, "%s ",
av_hwdevice_get_type_name(type));
av_log(NULL, AV_LOG_FATAL, "\n");
exit_program(1);
}
}
}
MATCH_PER_STREAM_OPT(hwaccel_devices, str, hwaccel_device, ic, st);
if (hwaccel_device) {
ist->hwaccel_device = av_strdup(hwaccel_device);
if (!ist->hwaccel_device)
exit_program(1);
}
ist->hwaccel_pix_fmt = AV_PIX_FMT_NONE;
break;
case AVMEDIA_TYPE_AUDIO:
ist->guess_layout_max = INT_MAX;
MATCH_PER_STREAM_OPT(guess_layout_max, i, ist->guess_layout_max, ic, st);
guess_input_channel_layout(ist);
break;
case AVMEDIA_TYPE_DATA:
case AVMEDIA_TYPE_SUBTITLE: {
char *canvas_size = NULL;
if(!ist->dec)
ist->dec = avcodec_find_decoder(par->codec_id);
MATCH_PER_STREAM_OPT(fix_sub_duration, i, ist->fix_sub_duration, ic, st);
MATCH_PER_STREAM_OPT(canvas_sizes, str, canvas_size, ic, st);
if (canvas_size &&
av_parse_video_size(&ist->dec_ctx->width, &ist->dec_ctx->height, canvas_size) < 0) {
av_log(NULL, AV_LOG_FATAL, "Invalid canvas size: %s.\n", canvas_size);
exit_program(1);
}
break;
}
case AVMEDIA_TYPE_ATTACHMENT:
case AVMEDIA_TYPE_UNKNOWN:
break;
default:
abort();
}
ret = avcodec_parameters_from_context(par, ist->dec_ctx);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error initializing the decoder context.\n");
exit_program(1);
}
}
}
void assert_file_overwrite(const char *filename)
{
const char *proto_name = avio_find_protocol_name(filename);
if (file_overwrite && no_file_overwrite) {
fprintf(stderr, "Error, both -y and -n supplied. Exiting.\n");
exit_program(1);
}
if (!file_overwrite) {
if (proto_name && !strcmp(proto_name, "file") && avio_check(filename, 0) == 0) {
if (stdin_interaction && !no_file_overwrite) {
fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
fflush(stderr);
term_exit();
signal(SIGINT, SIG_DFL);
if (!read_yesno()) {
av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
exit_program(1);
}
term_init();
}
else {
av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
exit_program(1);
}
}
}
if (proto_name && !strcmp(proto_name, "file")) {
for (int i = 0; i < nb_input_files; i++) {
InputFile *file = input_files[i];
if (file->ctx->iformat->flags & AVFMT_NOFILE)
continue;
if (!strcmp(filename, file->ctx->url)) {
av_log(NULL, AV_LOG_FATAL, "Output %s same as Input #%d - exiting\n", filename, i);
av_log(NULL, AV_LOG_WARNING, "FFmpeg cannot edit existing files in-place.\n");
exit_program(1);
}
}
}
}
void dump_attachment(AVStream *st, const char *filename)
{
int ret;
AVIOContext *out = NULL;
AVDictionaryEntry *e;
if (!st->codecpar->extradata_size) {
av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
nb_input_files - 1, st->index);
return;
}
if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
filename = e->value;
if (!*filename) {
av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
"in stream #%d:%d.\n", nb_input_files - 1, st->index);
exit_program(1);
}
assert_file_overwrite(filename);
if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
filename);
exit_program(1);
}
avio_write(out, st->codecpar->extradata, st->codecpar->extradata_size);
avio_flush(out);
avio_close(out);
}
int open_input_file(OptionsContext *o, const char *filename)
{
InputFile *f;
AVFormatContext *ic;
AVInputFormat *file_iformat = NULL;
int err, i, ret;
int64_t timestamp;
AVDictionary *unused_opts = NULL;
AVDictionaryEntry *e = NULL;
char * video_codec_name = NULL;
char * audio_codec_name = NULL;
char *subtitle_codec_name = NULL;
char * data_codec_name = NULL;
int scan_all_pmts_set = 0;
if (o->stop_time != INT64_MAX && o->recording_time != INT64_MAX) {
o->stop_time = INT64_MAX;
av_log(NULL, AV_LOG_WARNING, "-t and -to cannot be used together; using -t.\n");
}
if (o->stop_time != INT64_MAX && o->recording_time == INT64_MAX) {
int64_t start_time = o->start_time == AV_NOPTS_VALUE ? 0 : o->start_time;
if (o->stop_time <= start_time) {
av_log(NULL, AV_LOG_ERROR, "-to value smaller than -ss; aborting.\n");
exit_program(1);
} else {
o->recording_time = o->stop_time - start_time;
}
}
if (o->format) {
if (!(file_iformat = av_find_input_format(o->format))) {
av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
exit_program(1);
}
}
if (!strcmp(filename, "-"))
filename = "pipe:";
stdin_interaction &= strncmp(filename, "pipe:", 5) &&
strcmp(filename, "/dev/stdin");
/* get default parameters from command line */
ic = avformat_alloc_context();
if (!ic) {
print_error(filename, AVERROR(ENOMEM));
exit_program(1);
}
if (o->nb_audio_sample_rate) {
av_dict_set_int(&o->g->format_opts, "sample_rate", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i, 0);
}
if (o->nb_audio_channels) {
/* because we set audio_channels based on both the "ac" and
* "channel_layout" options, we need to check that the specified
* demuxer actually has the "channels" option before setting it */
if (file_iformat && file_iformat->priv_class &&
av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
AV_OPT_SEARCH_FAKE_OBJ)) {
av_dict_set_int(&o->g->format_opts, "channels", o->audio_channels[o->nb_audio_channels - 1].u.i, 0);
}
}
if (o->nb_frame_rates) {
/* set the format-level framerate option;
* this is important for video grabbers, e.g. x11 */
if (file_iformat && file_iformat->priv_class &&
av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
AV_OPT_SEARCH_FAKE_OBJ)) {
av_dict_set(&o->g->format_opts, "framerate",
o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
}
}
if (o->nb_frame_sizes) {
av_dict_set(&o->g->format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
}
if (o->nb_frame_pix_fmts)
av_dict_set(&o->g->format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
MATCH_PER_TYPE_OPT(codec_names, str, video_codec_name, ic, "v");
MATCH_PER_TYPE_OPT(codec_names, str, audio_codec_name, ic, "a");
MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, ic, "s");
MATCH_PER_TYPE_OPT(codec_names, str, data_codec_name, ic, "d");
if (video_codec_name)
ic->video_codec = find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0);
if (audio_codec_name)
ic->audio_codec = find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0);
if (subtitle_codec_name)
ic->subtitle_codec = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0);
if (data_codec_name)
ic->data_codec = find_codec_or_die(data_codec_name , AVMEDIA_TYPE_DATA , 0);
ic->video_codec_id = video_codec_name ? ic->video_codec->id : AV_CODEC_ID_NONE;
ic->audio_codec_id = audio_codec_name ? ic->audio_codec->id : AV_CODEC_ID_NONE;
ic->subtitle_codec_id = subtitle_codec_name ? ic->subtitle_codec->id : AV_CODEC_ID_NONE;
ic->data_codec_id = data_codec_name ? ic->data_codec->id : AV_CODEC_ID_NONE;
ic->flags |= AVFMT_FLAG_NONBLOCK;
if (o->bitexact)
ic->flags |= AVFMT_FLAG_BITEXACT;
ic->interrupt_callback = int_cb;
if (!av_dict_get(o->g->format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE)) {
av_dict_set(&o->g->format_opts, "scan_all_pmts", "1", AV_DICT_DONT_OVERWRITE);
scan_all_pmts_set = 1;
}
/* open the input file with generic avformat function */
err = avformat_open_input(&ic, filename, file_iformat, &o->g->format_opts);
if (err < 0) {
print_error(filename, err);
if (err == AVERROR_PROTOCOL_NOT_FOUND)
av_log(NULL, AV_LOG_ERROR, "Did you mean file:%s?\n", filename);
exit_program(1);
}
if (scan_all_pmts_set)
av_dict_set(&o->g->format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE);
remove_avoptions(&o->g->format_opts, o->g->codec_opts);
assert_avoptions(o->g->format_opts);
/* apply forced codec ids */
for (i = 0; i < ic->nb_streams; i++)
choose_decoder(o, ic, ic->streams[i]);
if (find_stream_info) {
AVDictionary **opts = setup_find_stream_info_opts(ic, o->g->codec_opts);
int orig_nb_streams = ic->nb_streams;
/* If not enough info to get the stream parameters, we decode the
first frames to get it. (used in mpeg case for example) */
ret = avformat_find_stream_info(ic, opts);
for (i = 0; i < orig_nb_streams; i++)
av_dict_free(&opts[i]);
av_freep(&opts);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
if (ic->nb_streams == 0) {
avformat_close_input(&ic);
exit_program(1);
}
}
}
if (o->start_time != AV_NOPTS_VALUE && o->start_time_eof != AV_NOPTS_VALUE) {
av_log(NULL, AV_LOG_WARNING, "Cannot use -ss and -sseof both, using -ss for %s\n", filename);
o->start_time_eof = AV_NOPTS_VALUE;
}
if (o->start_time_eof != AV_NOPTS_VALUE) {
if (o->start_time_eof >= 0) {
av_log(NULL, AV_LOG_ERROR, "-sseof value must be negative; aborting\n");
exit_program(1);
}
if (ic->duration > 0) {
o->start_time = o->start_time_eof + ic->duration;
if (o->start_time < 0) {
av_log(NULL, AV_LOG_WARNING, "-sseof value seeks to before start of file %s; ignored\n", filename);
o->start_time = AV_NOPTS_VALUE;
}
} else
av_log(NULL, AV_LOG_WARNING, "Cannot use -sseof, duration of %s not known\n", filename);
}
timestamp = (o->start_time == AV_NOPTS_VALUE) ? 0 : o->start_time;
/* add the stream start time */
if (!o->seek_timestamp && ic->start_time != AV_NOPTS_VALUE)
timestamp += ic->start_time;
/* if seeking requested, we execute it */
if (o->start_time != AV_NOPTS_VALUE) {
int64_t seek_timestamp = timestamp;
if (!(ic->iformat->flags & AVFMT_SEEK_TO_PTS)) {
int dts_heuristic = 0;
for (i=0; i<ic->nb_streams; i++) {
const AVCodecParameters *par = ic->streams[i]->codecpar;
if (par->video_delay) {
dts_heuristic = 1;
break;
}
}
if (dts_heuristic) {
seek_timestamp -= 3*AV_TIME_BASE / 23;
}
}
ret = avformat_seek_file(ic, -1, INT64_MIN, seek_timestamp, seek_timestamp, 0);
if (ret < 0) {
av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
filename, (double)timestamp / AV_TIME_BASE);
}
}
/* update the current parameters so that they match the one of the input stream */
add_input_streams(o, ic);
/* dump the file content */
av_dump_format(ic, nb_input_files, filename, 0);
GROW_ARRAY(input_files, nb_input_files);
f = av_mallocz(sizeof(*f));
if (!f)
exit_program(1);
input_files[nb_input_files - 1] = f;
f->ctx = ic;
f->ist_index = nb_input_streams - ic->nb_streams;
f->start_time = o->start_time;
f->recording_time = o->recording_time;
f->input_ts_offset = o->input_ts_offset;
f->ts_offset = o->input_ts_offset - (copy_ts ? (start_at_zero && ic->start_time != AV_NOPTS_VALUE ? ic->start_time : 0) : timestamp);
f->nb_streams = ic->nb_streams;
f->rate_emu = o->rate_emu;
f->accurate_seek = o->accurate_seek;
f->loop = o->loop;
f->duration = 0;
f->time_base = (AVRational){ 1, 1 };
#if HAVE_THREADS
f->thread_queue_size = o->thread_queue_size;
#endif
/* check if all codec options have been used */
unused_opts = strip_specifiers(o->g->codec_opts);
for (i = f->ist_index; i < nb_input_streams; i++) {
e = NULL;
while ((e = av_dict_get(input_streams[i]->decoder_opts, "", e,
AV_DICT_IGNORE_SUFFIX)))
av_dict_set(&unused_opts, e->key, NULL, 0);
}
e = NULL;
while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
const AVClass *class = avcodec_get_class();
const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
const AVClass *fclass = avformat_get_class();
const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0,
AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
if (!option || foption)
continue;
if (!(option->flags & AV_OPT_FLAG_DECODING_PARAM)) {
av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
"input file #%d (%s) is not a decoding option.\n", e->key,
option->help ? option->help : "", nb_input_files - 1,
filename);
exit_program(1);
}
av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
"input file #%d (%s) has not been used for any stream. The most "
"likely reason is either wrong type (e.g. a video option with "
"no video streams) or that it is a private option of some decoder "
"which was not actually used for any stream.\n", e->key,
option->help ? option->help : "", nb_input_files - 1, filename);
}
av_dict_free(&unused_opts);
for (i = 0; i < o->nb_dump_attachment; i++) {
int j;
for (j = 0; j < ic->nb_streams; j++) {
AVStream *st = ic->streams[j];
if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
dump_attachment(st, o->dump_attachment[i].u.str);
}
}
input_stream_potentially_available = 1;
return 0;
}
uint8_t *get_line(AVIOContext *s)
{
AVIOContext *line;
uint8_t *buf;
char c;
if (avio_open_dyn_buf(&line) < 0) {
av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
exit_program(1);
}
while ((c = avio_r8(s)) && c != '\n')
avio_w8(line, c);
avio_w8(line, 0);
avio_close_dyn_buf(line, &buf);
return buf;
}
int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
{
int i, ret = -1;
char filename[1000];
const char *base[3] = { getenv("AVCONV_DATADIR"),
getenv("HOME"),
AVCONV_DATADIR,
};
for (i = 0; i < FF_ARRAY_ELEMS(base) && ret < 0; i++) {
if (!base[i])
continue;
if (codec_name) {
snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
i != 1 ? "" : "/.avconv", codec_name, preset_name);
ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
}
if (ret < 0) {
snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
i != 1 ? "" : "/.avconv", preset_name);
ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
}
}
return ret;
}
int choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
{
enum AVMediaType type = ost->st->codecpar->codec_type;
char *codec_name = NULL;
if (type == AVMEDIA_TYPE_VIDEO || type == AVMEDIA_TYPE_AUDIO || type == AVMEDIA_TYPE_SUBTITLE) {
MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
if (!codec_name) {
ost->st->codecpar->codec_id = av_guess_codec(s->oformat, NULL, s->url,
NULL, ost->st->codecpar->codec_type);
ost->enc = avcodec_find_encoder(ost->st->codecpar->codec_id);
if (!ost->enc) {
av_log(NULL, AV_LOG_FATAL, "Automatic encoder selection failed for "
"output stream #%d:%d. Default encoder for format %s (codec %s) is "
"probably disabled. Please choose an encoder manually.\n",
ost->file_index, ost->index, s->oformat->name,
avcodec_get_name(ost->st->codecpar->codec_id));
return AVERROR_ENCODER_NOT_FOUND;
}
} else if (!strcmp(codec_name, "copy"))
ost->stream_copy = 1;
else {
ost->enc = find_codec_or_die(codec_name, ost->st->codecpar->codec_type, 1);
ost->st->codecpar->codec_id = ost->enc->id;
}
ost->encoding_needed = !ost->stream_copy;
} else {
/* no encoding supported for other media types */
ost->stream_copy = 1;
ost->encoding_needed = 0;
}
return 0;
}
OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type, int source_index)
{
OutputStream *ost;
AVStream *st = avformat_new_stream(oc, NULL);
int idx = oc->nb_streams - 1, ret = 0;
const char *bsfs = NULL, *time_base = NULL;
char *next, *codec_tag = NULL;
double qscale = -1;
int i;
if (!st) {
av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
exit_program(1);
}
if (oc->nb_streams - 1 < o->nb_streamid_map)
st->id = o->streamid_map[oc->nb_streams - 1];
GROW_ARRAY(output_streams, nb_output_streams);
if (!(ost = av_mallocz(sizeof(*ost))))
exit_program(1);
output_streams[nb_output_streams - 1] = ost;
ost->file_index = nb_output_files - 1;
ost->index = idx;
ost->st = st;
ost->forced_kf_ref_pts = AV_NOPTS_VALUE;
st->codecpar->codec_type = type;
ret = choose_encoder(o, oc, ost);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL, "Error selecting an encoder for stream "
"%d:%d\n", ost->file_index, ost->index);
exit_program(1);
}
ost->enc_ctx = avcodec_alloc_context3(ost->enc);
if (!ost->enc_ctx) {
av_log(NULL, AV_LOG_ERROR, "Error allocating the encoding context.\n");
exit_program(1);
}
ost->enc_ctx->codec_type = type;
ost->ref_par = avcodec_parameters_alloc();
if (!ost->ref_par) {
av_log(NULL, AV_LOG_ERROR, "Error allocating the encoding parameters.\n");
exit_program(1);
}
if (ost->enc) {
AVIOContext *s = NULL;
char *buf = NULL, *arg = NULL, *preset = NULL;
ost->encoder_opts = filter_codec_opts(o->g->codec_opts, ost->enc->id, oc, st, ost->enc);
MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
ost->autoscale = 1;
MATCH_PER_STREAM_OPT(autoscale, i, ost->autoscale, oc, st);
if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
do {
buf = get_line(s);
if (!buf[0] || buf[0] == '#') {
av_free(buf);
continue;
}
if (!(arg = strchr(buf, '='))) {
av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
exit_program(1);
}
*arg++ = 0;
av_dict_set(&ost->encoder_opts, buf, arg, AV_DICT_DONT_OVERWRITE);
av_free(buf);
} while (!s->eof_reached);
avio_closep(&s);
}
if (ret) {
av_log(NULL, AV_LOG_FATAL,
"Preset %s specified for stream %d:%d, but could not be opened.\n",
preset, ost->file_index, ost->index);
exit_program(1);
}
} else {
ost->encoder_opts = filter_codec_opts(o->g->codec_opts, AV_CODEC_ID_NONE, oc, st, NULL);
}
if (o->bitexact)
ost->enc_ctx->flags |= AV_CODEC_FLAG_BITEXACT;
MATCH_PER_STREAM_OPT(time_bases, str, time_base, oc, st);
if (time_base) {
AVRational q;
if (av_parse_ratio(&q, time_base, INT_MAX, 0, NULL) < 0 ||
q.num <= 0 || q.den <= 0) {
av_log(NULL, AV_LOG_FATAL, "Invalid time base: %s\n", time_base);
exit_program(1);
}
st->time_base = q;
}
MATCH_PER_STREAM_OPT(enc_time_bases, str, time_base, oc, st);
if (time_base) {
AVRational q;
if (av_parse_ratio(&q, time_base, INT_MAX, 0, NULL) < 0 ||
q.den <= 0) {
av_log(NULL, AV_LOG_FATAL, "Invalid time base: %s\n", time_base);
exit_program(1);
}
ost->enc_timebase = q;
}
ost->max_frames = INT64_MAX;
MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
for (i = 0; i<o->nb_max_frames; i++) {
char *p = o->max_frames[i].specifier;
if (!*p && type != AVMEDIA_TYPE_VIDEO) {
av_log(NULL, AV_LOG_WARNING, "Applying unspecific -frames to non video streams, maybe you meant -vframes ?\n");
break;
}
}
ost->copy_prior_start = -1;
MATCH_PER_STREAM_OPT(copy_prior_start, i, ost->copy_prior_start, oc ,st);
MATCH_PER_STREAM_OPT(bitstream_filters, str, bsfs, oc, st);
if (bsfs && *bsfs) {
ret = av_bsf_list_parse_str(bsfs, &ost->bsf_ctx);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error parsing bitstream filter sequence '%s': %s\n", bsfs, av_err2str(ret));
exit_program(1);
}
}
MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
if (codec_tag) {
uint32_t tag = strtol(codec_tag, &next, 0);
if (*next)
tag = AV_RL32(codec_tag);
ost->st->codecpar->codec_tag =
ost->enc_ctx->codec_tag = tag;
}
MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
if (qscale >= 0) {
ost->enc_ctx->flags |= AV_CODEC_FLAG_QSCALE;
ost->enc_ctx->global_quality = FF_QP2LAMBDA * qscale;
}
MATCH_PER_STREAM_OPT(disposition, str, ost->disposition, oc, st);
ost->disposition = av_strdup(ost->disposition);
ost->max_muxing_queue_size = 128;
MATCH_PER_STREAM_OPT(max_muxing_queue_size, i, ost->max_muxing_queue_size, oc, st);
ost->max_muxing_queue_size *= sizeof(AVPacket);
ost->muxing_queue_data_size = 0;
ost->muxing_queue_data_threshold = 50*1024*1024;
MATCH_PER_STREAM_OPT(muxing_queue_data_threshold, i, ost->muxing_queue_data_threshold, oc, st);
if (oc->oformat->flags & AVFMT_GLOBALHEADER)
ost->enc_ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
av_dict_copy(&ost->sws_dict, o->g->sws_dict, 0);
av_dict_copy(&ost->swr_opts, o->g->swr_opts, 0);
if (ost->enc && av_get_exact_bits_per_sample(ost->enc->id) == 24)
av_dict_set(&ost->swr_opts, "output_sample_bits", "24", 0);
av_dict_copy(&ost->resample_opts, o->g->resample_opts, 0);
ost->source_index = source_index;
if (source_index >= 0) {
ost->sync_ist = input_streams[source_index];
input_streams[source_index]->discard = 0;
input_streams[source_index]->st->discard = input_streams[source_index]->user_set_discard;
}
ost->last_mux_dts = AV_NOPTS_VALUE;
ost->muxing_queue = av_fifo_alloc(8 * sizeof(AVPacket));
if (!ost->muxing_queue)
exit_program(1);
return ost;
}
void parse_matrix_coeffs(uint16_t *dest, const char *str)
{
int i;
const char *p = str;
for (i = 0;; i++) {
dest[i] = atoi(p);
if (i == 63)
break;
p = strchr(p, ',');
if (!p) {
av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
exit_program(1);
}
p++;
}
}
/* read file contents into a string */
uint8_t *fftools_read_file(const char *filename)
{
AVIOContext *pb = NULL;
AVIOContext *dyn_buf = NULL;
int ret = avio_open(&pb, filename, AVIO_FLAG_READ);
uint8_t buf[1024], *str;
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error opening file %s.\n", filename);
return NULL;
}
ret = avio_open_dyn_buf(&dyn_buf);
if (ret < 0) {
avio_closep(&pb);
return NULL;
}
while ((ret = avio_read(pb, buf, sizeof(buf))) > 0)
avio_write(dyn_buf, buf, ret);
avio_w8(dyn_buf, 0);
avio_closep(&pb);
ret = avio_close_dyn_buf(dyn_buf, &str);
if (ret < 0)
return NULL;
return str;
}
char *get_ost_filters(OptionsContext *o, AVFormatContext *oc,
OutputStream *ost)
{
AVStream *st = ost->st;
if (ost->filters_script && ost->filters) {
av_log(NULL, AV_LOG_ERROR, "Both -filter and -filter_script set for "
"output stream #%d:%d.\n", nb_output_files, st->index);
exit_program(1);
}
if (ost->filters_script)
return fftools_read_file(ost->filters_script);
else if (ost->filters)
return av_strdup(ost->filters);
return av_strdup(st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ?
"null" : "anull");
}
void check_streamcopy_filters(OptionsContext *o, AVFormatContext *oc,
const OutputStream *ost, enum AVMediaType type)
{
if (ost->filters_script || ost->filters) {
av_log(NULL, AV_LOG_ERROR,
"%s '%s' was defined for %s output stream %d:%d but codec copy was selected.\n"
"Filtering and streamcopy cannot be used together.\n",
ost->filters ? "Filtergraph" : "Filtergraph script",
ost->filters ? ost->filters : ost->filters_script,
av_get_media_type_string(type), ost->file_index, ost->index);
exit_program(1);
}
}
OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
{
AVStream *st;
OutputStream *ost;
AVCodecContext *video_enc;
char *frame_rate = NULL, *max_frame_rate = NULL, *frame_aspect_ratio = NULL;
ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO, source_index);
st = ost->st;
video_enc = ost->enc_ctx;
MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
exit_program(1);
}
MATCH_PER_STREAM_OPT(max_frame_rates, str, max_frame_rate, oc, st);
if (max_frame_rate && av_parse_video_rate(&ost->max_frame_rate, max_frame_rate) < 0) {
av_log(NULL, AV_LOG_FATAL, "Invalid maximum framerate value: %s\n", max_frame_rate);
exit_program(1);
}
if (frame_rate && max_frame_rate) {
av_log(NULL, AV_LOG_ERROR, "Only one of -fpsmax and -r can be set for a stream.\n");
exit_program(1);
}
if ((frame_rate || max_frame_rate) &&
video_sync_method == VSYNC_PASSTHROUGH)
av_log(NULL, AV_LOG_ERROR, "Using -vsync 0 and -r/-fpsmax can produce invalid output files\n");
MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
if (frame_aspect_ratio) {
AVRational q;
if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
q.num <= 0 || q.den <= 0) {
av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
exit_program(1);
}
ost->frame_aspect_ratio = q;
}
MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
if (!ost->stream_copy) {
const char *p = NULL;
char *frame_size = NULL;
char *frame_pix_fmt = NULL;
char *intra_matrix = NULL, *inter_matrix = NULL;
char *chroma_intra_matrix = NULL;
int do_pass = 0;
int i;
MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
exit_program(1);
}
video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
if (frame_pix_fmt && *frame_pix_fmt == '+') {
ost->keep_pix_fmt = 1;
if (!*++frame_pix_fmt)
frame_pix_fmt = NULL;
}
if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == AV_PIX_FMT_NONE) {
av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
exit_program(1);
}
st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
if (intra_only)
video_enc->gop_size = 0;
MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
if (intra_matrix) {
if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
exit_program(1);
}
parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
}
MATCH_PER_STREAM_OPT(chroma_intra_matrices, str, chroma_intra_matrix, oc, st);
if (chroma_intra_matrix) {
uint16_t *p = av_mallocz(sizeof(*video_enc->chroma_intra_matrix) * 64);
if (!p) {
av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
exit_program(1);
}
video_enc->chroma_intra_matrix = p;
parse_matrix_coeffs(p, chroma_intra_matrix);
}
MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
if (inter_matrix) {
if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
exit_program(1);
}
parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
}
MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
for (i = 0; p; i++) {
int start, end, q;
int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
if (e != 3) {
av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
exit_program(1);
}
video_enc->rc_override =
av_realloc_array(video_enc->rc_override,
i + 1, sizeof(RcOverride));
if (!video_enc->rc_override) {
av_log(NULL, AV_LOG_FATAL, "Could not (re)allocate memory for rc_override.\n");
exit_program(1);
}
video_enc->rc_override[i].start_frame = start;
video_enc->rc_override[i].end_frame = end;
if (q > 0) {
video_enc->rc_override[i].qscale = q;
video_enc->rc_override[i].quality_factor = 1.0;
}
else {
video_enc->rc_override[i].qscale = 0;
video_enc->rc_override[i].quality_factor = -q/100.0;
}
p = strchr(p, '/');
if (p) p++;
}
video_enc->rc_override_count = i;
if (do_psnr)
video_enc->flags|= AV_CODEC_FLAG_PSNR;
/* two pass mode */
MATCH_PER_STREAM_OPT(pass, i, do_pass, oc, st);
if (do_pass) {
if (do_pass & 1) {
video_enc->flags |= AV_CODEC_FLAG_PASS1;
av_dict_set(&ost->encoder_opts, "flags", "+pass1", AV_DICT_APPEND);
}
if (do_pass & 2) {
video_enc->flags |= AV_CODEC_FLAG_PASS2;
av_dict_set(&ost->encoder_opts, "flags", "+pass2", AV_DICT_APPEND);
}
}
MATCH_PER_STREAM_OPT(passlogfiles, str, ost->logfile_prefix, oc, st);
if (ost->logfile_prefix &&
!(ost->logfile_prefix = av_strdup(ost->logfile_prefix)))
exit_program(1);
if (do_pass) {
char logfilename[1024];
FILE *f;
snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
ost->logfile_prefix ? ost->logfile_prefix :
DEFAULT_PASS_LOGFILENAME_PREFIX,
i);
if (!strcmp(ost->enc->name, "libx264")) {
av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
} else {
if (video_enc->flags & AV_CODEC_FLAG_PASS2) {
char *logbuffer = fftools_read_file(logfilename);
if (!logbuffer) {
av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
logfilename);
exit_program(1);
}
video_enc->stats_in = logbuffer;
}
if (video_enc->flags & AV_CODEC_FLAG_PASS1) {
f = av_fopen_utf8(logfilename, "wb");
if (!f) {
av_log(NULL, AV_LOG_FATAL,
"Cannot write log file '%s' for pass-1 encoding: %s\n",
logfilename, strerror(errno));
exit_program(1);
}
ost->logfile = f;
}
}
}
MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st);
if (ost->forced_keyframes)
ost->forced_keyframes = av_strdup(ost->forced_keyframes);
MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
ost->top_field_first = -1;
MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
ost->avfilter = get_ost_filters(o, oc, ost);
if (!ost->avfilter)
exit_program(1);
} else {
MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
}
if (ost->stream_copy)
check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_VIDEO);
return ost;
}
OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
{
int n;
AVStream *st;
OutputStream *ost;
AVCodecContext *audio_enc;
ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO, source_index);
st = ost->st;
audio_enc = ost->enc_ctx;
audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st);
MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st);
if (!ost->stream_copy) {
char *sample_fmt = NULL;
MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
if (sample_fmt &&
(audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
exit_program(1);
}
MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
MATCH_PER_STREAM_OPT(apad, str, ost->apad, oc, st);
ost->apad = av_strdup(ost->apad);
ost->avfilter = get_ost_filters(o, oc, ost);
if (!ost->avfilter)
exit_program(1);
/* check for channel mapping for this audio stream */
for (n = 0; n < o->nb_audio_channel_maps; n++) {
AudioChannelMap *map = &o->audio_channel_maps[n];
if ((map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
(map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
InputStream *ist;
if (map->channel_idx == -1) {
ist = NULL;
} else if (ost->source_index < 0) {
av_log(NULL, AV_LOG_FATAL, "Cannot determine input stream for channel mapping %d.%d\n",
ost->file_index, ost->st->index);
continue;
} else {
ist = input_streams[ost->source_index];
}
if (!ist || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) {
if (av_reallocp_array(&ost->audio_channels_map,
ost->audio_channels_mapped + 1,
sizeof(*ost->audio_channels_map)
) < 0 )
exit_program(1);
ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
}
}
}
}
if (ost->stream_copy)
check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_AUDIO);
return ost;
}
OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
{
OutputStream *ost;
ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA, source_index);
if (!ost->stream_copy) {
av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
exit_program(1);
}
return ost;
}
OutputStream *new_unknown_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
{
OutputStream *ost;
ost = new_output_stream(o, oc, AVMEDIA_TYPE_UNKNOWN, source_index);
if (!ost->stream_copy) {
av_log(NULL, AV_LOG_FATAL, "Unknown stream encoding not supported yet (only streamcopy)\n");
exit_program(1);
}
return ost;
}
OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
{
OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT, source_index);
ost->stream_copy = 1;
ost->finished = 1;
return ost;
}
OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
{
AVStream *st;
OutputStream *ost;
AVCodecContext *subtitle_enc;
ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE, source_index);
st = ost->st;
subtitle_enc = ost->enc_ctx;
subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc, st);
if (!ost->stream_copy) {
char *frame_size = NULL;
MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
if (frame_size && av_parse_video_size(&subtitle_enc->width, &subtitle_enc->height, frame_size) < 0) {
av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
exit_program(1);
}
}
return ost;
}
/* arg format is "output-stream-index:streamid-value". */
int opt_streamid(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
int idx;
char *p;
char idx_str[16];
av_strlcpy(idx_str, arg, sizeof(idx_str));
p = strchr(idx_str, ':');
if (!p) {
av_log(NULL, AV_LOG_FATAL,
"Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
arg, opt);
exit_program(1);
}
*p++ = '\0';
idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
return 0;
}
int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
{
AVFormatContext *is = ifile->ctx;
AVFormatContext *os = ofile->ctx;
AVChapter **tmp;
int i;
tmp = av_realloc_f(os->chapters, is->nb_chapters + os->nb_chapters, sizeof(*os->chapters));
if (!tmp)
return AVERROR(ENOMEM);
os->chapters = tmp;
for (i = 0; i < is->nb_chapters; i++) {
AVChapter *in_ch = is->chapters[i], *out_ch;
int64_t start_time = (ofile->start_time == AV_NOPTS_VALUE) ? 0 : ofile->start_time;
int64_t ts_off = av_rescale_q(start_time - ifile->ts_offset,
AV_TIME_BASE_Q, in_ch->time_base);
int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
if (in_ch->end < ts_off)
continue;
if (rt != INT64_MAX && in_ch->start > rt + ts_off)
break;
out_ch = av_mallocz(sizeof(AVChapter));
if (!out_ch)
return AVERROR(ENOMEM);
out_ch->id = in_ch->id;
out_ch->time_base = in_ch->time_base;
out_ch->start = FFMAX(0, in_ch->start - ts_off);
out_ch->end = FFMIN(rt, in_ch->end - ts_off);
if (copy_metadata)
av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
os->chapters[os->nb_chapters++] = out_ch;
}
return 0;
}
void init_output_filter(OutputFilter *ofilter, OptionsContext *o,
AVFormatContext *oc)
{
OutputStream *ost;
switch (ofilter->type) {
case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc, -1); break;
case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc, -1); break;
default:
av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported "
"currently.\n");
exit_program(1);
}
ost->source_index = -1;
ost->filter = ofilter;
ofilter->ost = ost;
ofilter->format = -1;
if (ost->stream_copy) {
av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, "
"which is fed from a complex filtergraph. Filtering and streamcopy "
"cannot be used together.\n", ost->file_index, ost->index);
exit_program(1);
}
if (ost->avfilter && (ost->filters || ost->filters_script)) {
const char *opt = ost->filters ? "-vf/-af/-filter" : "-filter_script";
av_log(NULL, AV_LOG_ERROR,
"%s '%s' was specified through the %s option "
"for output stream %d:%d, which is fed from a complex filtergraph.\n"
"%s and -filter_complex cannot be used together for the same stream.\n",
ost->filters ? "Filtergraph" : "Filtergraph script",
ost->filters ? ost->filters : ost->filters_script,
opt, ost->file_index, ost->index, opt);
exit_program(1);
}
avfilter_inout_free(&ofilter->out_tmp);
}
int init_complex_filters(void)
{
int i, ret = 0;
for (i = 0; i < nb_filtergraphs; i++) {
ret = init_complex_filtergraph(filtergraphs[i]);
if (ret < 0)
return ret;
}
return 0;
}
int open_output_file(OptionsContext *o, const char *filename)
{
AVFormatContext *oc;
int i, j, err;
OutputFile *of;
OutputStream *ost;
InputStream *ist;
AVDictionary *unused_opts = NULL;
AVDictionaryEntry *e = NULL;
int format_flags = 0;
if (o->stop_time != INT64_MAX && o->recording_time != INT64_MAX) {
o->stop_time = INT64_MAX;
av_log(NULL, AV_LOG_WARNING, "-t and -to cannot be used together; using -t.\n");
}
if (o->stop_time != INT64_MAX && o->recording_time == INT64_MAX) {
int64_t start_time = o->start_time == AV_NOPTS_VALUE ? 0 : o->start_time;
if (o->stop_time <= start_time) {
av_log(NULL, AV_LOG_ERROR, "-to value smaller than -ss; aborting.\n");
exit_program(1);
} else {
o->recording_time = o->stop_time - start_time;
}
}
GROW_ARRAY(output_files, nb_output_files);
of = av_mallocz(sizeof(*of));
if (!of)
exit_program(1);
output_files[nb_output_files - 1] = of;
of->ost_index = nb_output_streams;
of->recording_time = o->recording_time;
of->start_time = o->start_time;
of->limit_filesize = o->limit_filesize;
of->shortest = o->shortest;
av_dict_copy(&of->opts, o->g->format_opts, 0);
if (!strcmp(filename, "-"))
filename = "pipe:";
err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
if (!oc) {
print_error(filename, err);
exit_program(1);
}
of->ctx = oc;
if (o->recording_time != INT64_MAX)
oc->duration = o->recording_time;
oc->interrupt_callback = int_cb;
e = av_dict_get(o->g->format_opts, "fflags", NULL, 0);
if (e) {
const AVOption *o = av_opt_find(oc, "fflags", NULL, 0, 0);
av_opt_eval_flags(oc, o, e->value, &format_flags);
}
if (o->bitexact) {
format_flags |= AVFMT_FLAG_BITEXACT;
oc->flags |= AVFMT_FLAG_BITEXACT;
}
/* create streams for all unlabeled output pads */
for (i = 0; i < nb_filtergraphs; i++) {
FilterGraph *fg = filtergraphs[i];
for (j = 0; j < fg->nb_outputs; j++) {
OutputFilter *ofilter = fg->outputs[j];
if (!ofilter->out_tmp || ofilter->out_tmp->name)
continue;
switch (ofilter->type) {
case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break;
case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break;
case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
}
init_output_filter(ofilter, o, oc);
}
}
if (!o->nb_stream_maps) {
char *subtitle_codec_name = NULL;
/* pick the "best" stream of each type */
/* video: highest resolution */
if (!o->video_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_VIDEO) != AV_CODEC_ID_NONE) {
int best_score = 0, idx = -1;
int qcr = avformat_query_codec(oc->oformat, oc->oformat->video_codec, 0);
for (i = 0; i < nb_input_streams; i++) {
int score;
ist = input_streams[i];
score = ist->st->codecpar->width * ist->st->codecpar->height
+ 100000000 * !!(ist->st->event_flags & AVSTREAM_EVENT_FLAG_NEW_PACKETS)
+ 5000000*!!(ist->st->disposition & AV_DISPOSITION_DEFAULT);
if (ist->user_set_discard == AVDISCARD_ALL)
continue;
if((qcr!=MKTAG('A', 'P', 'I', 'C')) && (ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
score = 1;
if (ist->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
score > best_score) {
if((qcr==MKTAG('A', 'P', 'I', 'C')) && !(ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
continue;
best_score = score;
idx = i;
}
}
if (idx >= 0)
new_video_stream(o, oc, idx);
}
/* audio: most channels */
if (!o->audio_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_AUDIO) != AV_CODEC_ID_NONE) {
int best_score = 0, idx = -1;
for (i = 0; i < nb_input_streams; i++) {
int score;
ist = input_streams[i];
score = ist->st->codecpar->channels + 100000000*!!ist->st->codec_info_nb_frames
+ 5000000*!!(ist->st->disposition & AV_DISPOSITION_DEFAULT);
if (ist->user_set_discard == AVDISCARD_ALL)
continue;
if (ist->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO &&
score > best_score) {
best_score = score;
idx = i;
}
}
if (idx >= 0)
new_audio_stream(o, oc, idx);
}
/* subtitles: pick first */
MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, oc, "s");
if (!o->subtitle_disable && (avcodec_find_encoder(oc->oformat->subtitle_codec) || subtitle_codec_name)) {
for (i = 0; i < nb_input_streams; i++)
if (input_streams[i]->st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
AVCodecDescriptor const *input_descriptor =
avcodec_descriptor_get(input_streams[i]->st->codecpar->codec_id);
AVCodecDescriptor const *output_descriptor = NULL;
AVCodec const *output_codec =
avcodec_find_encoder(oc->oformat->subtitle_codec);
int input_props = 0, output_props = 0;
if (input_streams[i]->user_set_discard == AVDISCARD_ALL)
continue;
if (output_codec)
output_descriptor = avcodec_descriptor_get(output_codec->id);
if (input_descriptor)
input_props = input_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
if (output_descriptor)
output_props = output_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB);
if (subtitle_codec_name ||
input_props & output_props ||
// Map dvb teletext which has neither property to any output subtitle encoder
(input_descriptor && output_descriptor &&
(!input_descriptor->props ||
!output_descriptor->props))) {
new_subtitle_stream(o, oc, i);
break;
}
}
}
/* Data only if codec id match */
if (!o->data_disable ) {
enum AVCodecID codec_id = av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_DATA);
for (i = 0; codec_id != AV_CODEC_ID_NONE && i < nb_input_streams; i++) {
if (input_streams[i]->user_set_discard == AVDISCARD_ALL)
continue;
if (input_streams[i]->st->codecpar->codec_type == AVMEDIA_TYPE_DATA
&& input_streams[i]->st->codecpar->codec_id == codec_id )
new_data_stream(o, oc, i);
}
}
} else {
for (i = 0; i < o->nb_stream_maps; i++) {
StreamMap *map = &o->stream_maps[i];
if (map->disabled)
continue;
if (map->linklabel) {
FilterGraph *fg;
OutputFilter *ofilter = NULL;
int j, k;
for (j = 0; j < nb_filtergraphs; j++) {
fg = filtergraphs[j];
for (k = 0; k < fg->nb_outputs; k++) {
AVFilterInOut *out = fg->outputs[k]->out_tmp;
if (out && !strcmp(out->name, map->linklabel)) {
ofilter = fg->outputs[k];
goto loop_end;
}
}
}
loop_end:
if (!ofilter) {
av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
"in any defined filter graph, or was already used elsewhere.\n", map->linklabel);
exit_program(1);
}
init_output_filter(ofilter, o, oc);
} else {
int src_idx = input_files[map->file_index]->ist_index + map->stream_index;
ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
if (ist->user_set_discard == AVDISCARD_ALL) {
av_log(NULL, AV_LOG_FATAL, "Stream #%d:%d is disabled and cannot be mapped.\n",
map->file_index, map->stream_index);
exit_program(1);
}
if(o->subtitle_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE)
continue;
if(o-> audio_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
continue;
if(o-> video_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
continue;
if(o-> data_disable && ist->st->codecpar->codec_type == AVMEDIA_TYPE_DATA)
continue;
ost = NULL;
switch (ist->st->codecpar->codec_type) {
case AVMEDIA_TYPE_VIDEO: ost = new_video_stream (o, oc, src_idx); break;
case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream (o, oc, src_idx); break;
case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream (o, oc, src_idx); break;
case AVMEDIA_TYPE_DATA: ost = new_data_stream (o, oc, src_idx); break;
case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break;
case AVMEDIA_TYPE_UNKNOWN:
if (copy_unknown_streams) {
ost = new_unknown_stream (o, oc, src_idx);
break;
}
default:
av_log(NULL, ignore_unknown_streams ? AV_LOG_WARNING : AV_LOG_FATAL,
"Cannot map stream #%d:%d - unsupported type.\n",
map->file_index, map->stream_index);
if (!ignore_unknown_streams) {
av_log(NULL, AV_LOG_FATAL,
"If you want unsupported types ignored instead "
"of failing, please use the -ignore_unknown option\n"
"If you want them copied, please use -copy_unknown\n");
exit_program(1);
}
}
if (ost)
ost->sync_ist = input_streams[ input_files[map->sync_file_index]->ist_index
+ map->sync_stream_index];
}
}
}
/* handle attached files */
for (i = 0; i < o->nb_attachments; i++) {
AVIOContext *pb;
uint8_t *attachment;
const char *p;
int64_t len;
if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
o->attachments[i]);
exit_program(1);
}
if ((len = avio_size(pb)) <= 0) {
av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
o->attachments[i]);
exit_program(1);
}
if (len > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE ||
!(attachment = av_malloc(len + AV_INPUT_BUFFER_PADDING_SIZE))) {
av_log(NULL, AV_LOG_FATAL, "Attachment %s too large.\n",
o->attachments[i]);
exit_program(1);
}
avio_read(pb, attachment, len);
memset(attachment + len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
ost = new_attachment_stream(o, oc, -1);
ost->stream_copy = 0;
ost->attachment_filename = o->attachments[i];
ost->st->codecpar->extradata = attachment;
ost->st->codecpar->extradata_size = len;
p = strrchr(o->attachments[i], '/');
av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
avio_closep(&pb);
}
#if FF_API_LAVF_AVCTX
for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
AVDictionaryEntry *e;
ost = output_streams[i];
if ((ost->stream_copy || ost->attachment_filename)
&& (e = av_dict_get(o->g->codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
&& (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
exit_program(1);
}
#endif
if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
av_dump_format(oc, nb_output_files - 1, oc->url, 1);
av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", nb_output_files - 1);
exit_program(1);
}
/* check if all codec options have been used */
unused_opts = strip_specifiers(o->g->codec_opts);
for (i = of->ost_index; i < nb_output_streams; i++) {
e = NULL;
while ((e = av_dict_get(output_streams[i]->encoder_opts, "", e,
AV_DICT_IGNORE_SUFFIX)))
av_dict_set(&unused_opts, e->key, NULL, 0);
}
e = NULL;
while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) {
const AVClass *class = avcodec_get_class();
const AVOption *option = av_opt_find(&class, e->key, NULL, 0,
AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
const AVClass *fclass = avformat_get_class();
const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0,
AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ);
if (!option || foption)
continue;
if (!(option->flags & AV_OPT_FLAG_ENCODING_PARAM)) {
av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
"output file #%d (%s) is not an encoding option.\n", e->key,
option->help ? option->help : "", nb_output_files - 1,
filename);
exit_program(1);
}
// gop_timecode is injected by generic code but not always used
if (!strcmp(e->key, "gop_timecode"))
continue;
av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
"output file #%d (%s) has not been used for any stream. The most "
"likely reason is either wrong type (e.g. a video option with "
"no video streams) or that it is a private option of some encoder "
"which was not actually used for any stream.\n", e->key,
option->help ? option->help : "", nb_output_files - 1, filename);
}
av_dict_free(&unused_opts);
/* set the decoding_needed flags and create simple filtergraphs */
for (i = of->ost_index; i < nb_output_streams; i++) {
OutputStream *ost = output_streams[i];
if (ost->encoding_needed && ost->source_index >= 0) {
InputStream *ist = input_streams[ost->source_index];
ist->decoding_needed |= DECODING_FOR_OST;
if (ost->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
err = init_simple_filtergraph(ist, ost);
if (err < 0) {
av_log(NULL, AV_LOG_ERROR,
"Error initializing a simple filtergraph between streams "
"%d:%d->%d:%d\n", ist->file_index, ost->source_index,
nb_output_files - 1, ost->st->index);
exit_program(1);
}
}
}
/* set the filter output constraints */
if (ost->filter) {
OutputFilter *f = ost->filter;
int count;
switch (ost->enc_ctx->codec_type) {
case AVMEDIA_TYPE_VIDEO:
f->frame_rate = ost->frame_rate;
f->width = ost->enc_ctx->width;
f->height = ost->enc_ctx->height;
if (ost->enc_ctx->pix_fmt != AV_PIX_FMT_NONE) {
f->format = ost->enc_ctx->pix_fmt;
} else if (ost->enc->pix_fmts) {
count = 0;
while (ost->enc->pix_fmts[count] != AV_PIX_FMT_NONE)
count++;
f->formats = av_mallocz_array(count + 1, sizeof(*f->formats));
if (!f->formats)
exit_program(1);
memcpy(f->formats, ost->enc->pix_fmts, (count + 1) * sizeof(*f->formats));
}
break;
case AVMEDIA_TYPE_AUDIO:
if (ost->enc_ctx->sample_fmt != AV_SAMPLE_FMT_NONE) {
f->format = ost->enc_ctx->sample_fmt;
} else if (ost->enc->sample_fmts) {
count = 0;
while (ost->enc->sample_fmts[count] != AV_SAMPLE_FMT_NONE)
count++;
f->formats = av_mallocz_array(count + 1, sizeof(*f->formats));
if (!f->formats)
exit_program(1);
memcpy(f->formats, ost->enc->sample_fmts, (count + 1) * sizeof(*f->formats));
}
if (ost->enc_ctx->sample_rate) {
f->sample_rate = ost->enc_ctx->sample_rate;
} else if (ost->enc->supported_samplerates) {
count = 0;
while (ost->enc->supported_samplerates[count])
count++;
f->sample_rates = av_mallocz_array(count + 1, sizeof(*f->sample_rates));
if (!f->sample_rates)
exit_program(1);
memcpy(f->sample_rates, ost->enc->supported_samplerates,
(count + 1) * sizeof(*f->sample_rates));
}
if (ost->enc_ctx->channels) {
f->channel_layout = av_get_default_channel_layout(ost->enc_ctx->channels);
} else if (ost->enc->channel_layouts) {
count = 0;
while (ost->enc->channel_layouts[count])
count++;
f->channel_layouts = av_mallocz_array(count + 1, sizeof(*f->channel_layouts));
if (!f->channel_layouts)
exit_program(1);
memcpy(f->channel_layouts, ost->enc->channel_layouts,
(count + 1) * sizeof(*f->channel_layouts));
}
break;
}
}
}
/* check filename in case of an image number is expected */
if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
if (!av_filename_number_test(oc->url)) {
print_error(oc->url, AVERROR(EINVAL));
exit_program(1);
}
}
if (!(oc->oformat->flags & AVFMT_NOSTREAMS) && !input_stream_potentially_available) {
av_log(NULL, AV_LOG_ERROR,
"No input streams but output needs an input stream\n");
exit_program(1);
}
if (!(oc->oformat->flags & AVFMT_NOFILE)) {
/* test if it already exists to avoid losing precious files */
assert_file_overwrite(filename);
/* open the file */
if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
&oc->interrupt_callback,
&of->opts)) < 0) {
print_error(filename, err);
exit_program(1);
}
} else if (strcmp(oc->oformat->name, "image2")==0 && !av_filename_number_test(filename))
assert_file_overwrite(filename);
if (o->mux_preload) {
av_dict_set_int(&of->opts, "preload", o->mux_preload*AV_TIME_BASE, 0);
}
oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
/* copy metadata */
for (i = 0; i < o->nb_metadata_map; i++) {
char *p;
int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
if (in_file_index >= nb_input_files) {
av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
exit_program(1);
}
fftools_copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc,
in_file_index >= 0 ?
input_files[in_file_index]->ctx : NULL, o);
}
/* copy chapters */
if (o->chapters_input_file >= nb_input_files) {
if (o->chapters_input_file == INT_MAX) {
/* copy chapters from the first input file that has them*/
o->chapters_input_file = -1;
for (i = 0; i < nb_input_files; i++)
if (input_files[i]->ctx->nb_chapters) {
o->chapters_input_file = i;
break;
}
} else {
av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
o->chapters_input_file);
exit_program(1);
}
}
if (o->chapters_input_file >= 0)
copy_chapters(input_files[o->chapters_input_file], of,
!o->metadata_chapters_manual);
/* copy global metadata by default */
if (!o->metadata_global_manual && nb_input_files){
av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
AV_DICT_DONT_OVERWRITE);
if(o->recording_time != INT64_MAX)
av_dict_set(&oc->metadata, "duration", NULL, 0);
av_dict_set(&oc->metadata, "creation_time", NULL, 0);
av_dict_set(&oc->metadata, "company_name", NULL, 0);
av_dict_set(&oc->metadata, "product_name", NULL, 0);
av_dict_set(&oc->metadata, "product_version", NULL, 0);
}
if (!o->metadata_streams_manual)
for (i = of->ost_index; i < nb_output_streams; i++) {
InputStream *ist;
if (output_streams[i]->source_index < 0) /* this is true e.g. for attached files */
continue;
ist = input_streams[output_streams[i]->source_index];
av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
if (!output_streams[i]->stream_copy) {
av_dict_set(&output_streams[i]->st->metadata, "encoder", NULL, 0);
}
}
/* process manually set programs */
for (i = 0; i < o->nb_program; i++) {
const char *p = o->program[i].u.str;
int progid = i+1;
AVProgram *program;
while(*p) {
const char *p2 = av_get_token(&p, ":");
const char *to_dealloc = p2;
char *key;
if (!p2)
break;
if(*p) p++;
key = av_get_token(&p2, "=");
if (!key || !*p2) {
av_freep(&to_dealloc);
av_freep(&key);
break;
}
p2++;
if (!strcmp(key, "program_num"))
progid = strtol(p2, NULL, 0);
av_freep(&to_dealloc);
av_freep(&key);
}
program = av_new_program(oc, progid);
p = o->program[i].u.str;
while(*p) {
const char *p2 = av_get_token(&p, ":");
const char *to_dealloc = p2;
char *key;
if (!p2)
break;
if(*p) p++;
key = av_get_token(&p2, "=");
if (!key) {
av_log(NULL, AV_LOG_FATAL,
"No '=' character in program string %s.\n",
p2);
exit_program(1);
}
if (!*p2)
exit_program(1);
p2++;
if (!strcmp(key, "title")) {
av_dict_set(&program->metadata, "title", p2, 0);
} else if (!strcmp(key, "program_num")) {
} else if (!strcmp(key, "st")) {
int st_num = strtol(p2, NULL, 0);
av_program_add_stream_index(oc, progid, st_num);
} else {
av_log(NULL, AV_LOG_FATAL, "Unknown program key %s.\n", key);
exit_program(1);
}
av_freep(&to_dealloc);
av_freep(&key);
}
}
/* process manually set metadata */
for (i = 0; i < o->nb_metadata; i++) {
AVDictionary **m;
char type, *val;
const char *stream_spec;
int index = 0, j, ret = 0;
val = strchr(o->metadata[i].u.str, '=');
if (!val) {
av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
o->metadata[i].u.str);
exit_program(1);
}
*val++ = 0;
parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
if (type == 's') {
for (j = 0; j < oc->nb_streams; j++) {
ost = output_streams[nb_output_streams - oc->nb_streams + j];
if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
if (!strcmp(o->metadata[i].u.str, "rotate")) {
char *tail;
double theta = av_strtod(val, &tail);
if (!*tail) {
ost->rotate_overridden = 1;
ost->rotate_override_value = theta;
}
} else {
av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
}
} else if (ret < 0)
exit_program(1);
}
}
else {
switch (type) {
case 'g':
m = &oc->metadata;
break;
case 'c':
if (index < 0 || index >= oc->nb_chapters) {
av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
exit_program(1);
}
m = &oc->chapters[index]->metadata;
break;
case 'p':
if (index < 0 || index >= oc->nb_programs) {
av_log(NULL, AV_LOG_FATAL, "Invalid program index %d in metadata specifier.\n", index);
exit_program(1);
}
m = &oc->programs[index]->metadata;
break;
default:
av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
exit_program(1);
}
av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
}
}
return 0;
}
int opt_target(void *optctx, const char *opt, const char *arg)
{
const OptionDef *options = ffmpeg_options;
OptionsContext *o = optctx;
enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
if (!strncmp(arg, "pal-", 4)) {
norm = PAL;
arg += 4;
} else if (!strncmp(arg, "ntsc-", 5)) {
norm = NTSC;
arg += 5;
} else if (!strncmp(arg, "film-", 5)) {
norm = FILM;
arg += 5;
} else {
/* Try to determine PAL/NTSC by peeking in the input files */
if (nb_input_files) {
int i, j;
for (j = 0; j < nb_input_files; j++) {
for (i = 0; i < input_files[j]->nb_streams; i++) {
AVStream *st = input_files[j]->ctx->streams[i];
int64_t fr;
if (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO)
continue;
fr = st->time_base.den * 1000LL / st->time_base.num;
if (fr == 25000) {
norm = PAL;
break;
} else if ((fr == 29970) || (fr == 23976)) {
norm = NTSC;
break;
}
}
if (norm != UNKNOWN)
break;
}
}
if (norm != UNKNOWN)
av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
}
if (norm == UNKNOWN) {
av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
exit_program(1);
}
if (!strcmp(arg, "vcd")) {
opt_video_codec(o, "c:v", "mpeg1video");
opt_audio_codec(o, "c:a", "mp2");
parse_option(o, "f", "vcd", options);
parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
parse_option(o, "r", frame_rates[norm], options);
opt_default(NULL, "g", norm == PAL ? "15" : "18");
opt_default(NULL, "b:v", "1150000");
opt_default(NULL, "maxrate:v", "1150000");
opt_default(NULL, "minrate:v", "1150000");
opt_default(NULL, "bufsize:v", "327680"); // 40*1024*8;
opt_default(NULL, "b:a", "224000");
parse_option(o, "ar", "44100", options);
parse_option(o, "ac", "2", options);
opt_default(NULL, "packetsize", "2324");
opt_default(NULL, "muxrate", "1411200"); // 2352 * 75 * 8;
/* We have to offset the PTS, so that it is consistent with the SCR.
SCR starts at 36000, but the first two packs contain only padding
and the first pack from the other stream, respectively, may also have
been written before.
So the real data starts at SCR 36000+3*1200. */
o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
} else if (!strcmp(arg, "svcd")) {
opt_video_codec(o, "c:v", "mpeg2video");
opt_audio_codec(o, "c:a", "mp2");
parse_option(o, "f", "svcd", options);
parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
parse_option(o, "r", frame_rates[norm], options);
parse_option(o, "pix_fmt", "yuv420p", options);
opt_default(NULL, "g", norm == PAL ? "15" : "18");
opt_default(NULL, "b:v", "2040000");
opt_default(NULL, "maxrate:v", "2516000");
opt_default(NULL, "minrate:v", "0"); // 1145000;
opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8;
opt_default(NULL, "scan_offset", "1");
opt_default(NULL, "b:a", "224000");
parse_option(o, "ar", "44100", options);
opt_default(NULL, "packetsize", "2324");
} else if (!strcmp(arg, "dvd")) {
opt_video_codec(o, "c:v", "mpeg2video");
opt_audio_codec(o, "c:a", "ac3");
parse_option(o, "f", "dvd", options);
parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
parse_option(o, "r", frame_rates[norm], options);
parse_option(o, "pix_fmt", "yuv420p", options);
opt_default(NULL, "g", norm == PAL ? "15" : "18");
opt_default(NULL, "b:v", "6000000");
opt_default(NULL, "maxrate:v", "9000000");
opt_default(NULL, "minrate:v", "0"); // 1500000;
opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8;
opt_default(NULL, "packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
opt_default(NULL, "muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
opt_default(NULL, "b:a", "448000");
parse_option(o, "ar", "48000", options);
} else if (!strncmp(arg, "dv", 2)) {
parse_option(o, "f", "dv", options);
parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
norm == PAL ? "yuv420p" : "yuv411p", options);
parse_option(o, "r", frame_rates[norm], options);
parse_option(o, "ar", "48000", options);
parse_option(o, "ac", "2", options);
} else {
av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
return AVERROR(EINVAL);
}
av_dict_copy(&o->g->codec_opts, codec_opts, AV_DICT_DONT_OVERWRITE);
av_dict_copy(&o->g->format_opts, format_opts, AV_DICT_DONT_OVERWRITE);
return 0;
}
int opt_vstats_file(void *optctx, const char *opt, const char *arg)
{
av_free (vstats_filename);
vstats_filename = av_strdup (arg);
return 0;
}
int opt_vstats(void *optctx, const char *opt, const char *arg)
{
char filename[40];
time_t today2 = time(NULL);
struct tm *today = localtime(&today2);
if (!today) { // maybe tomorrow
av_log(NULL, AV_LOG_FATAL, "Unable to get current time: %s\n", strerror(errno));
exit_program(1);
}
snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
today->tm_sec);
return opt_vstats_file(NULL, opt, filename);
}
int opt_video_frames(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
return parse_option(o, "frames:v", arg, ffmpeg_options);
}
int opt_audio_frames(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
return parse_option(o, "frames:a", arg, ffmpeg_options);
}
int opt_data_frames(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
return parse_option(o, "frames:d", arg, ffmpeg_options);
}
int opt_default_new(OptionsContext *o, const char *opt, const char *arg)
{
int ret;
AVDictionary *cbak = codec_opts;
AVDictionary *fbak = format_opts;
codec_opts = NULL;
format_opts = NULL;
ret = opt_default(NULL, opt, arg);
av_dict_copy(&o->g->codec_opts , codec_opts, 0);
av_dict_copy(&o->g->format_opts, format_opts, 0);
av_dict_free(&codec_opts);
av_dict_free(&format_opts);
codec_opts = cbak;
format_opts = fbak;
return ret;
}
int opt_preset(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
FILE *f=NULL;
char filename[1000], line[1000], tmp_line[1000];
const char *codec_name = NULL;
tmp_line[0] = *opt;
tmp_line[1] = 0;
MATCH_PER_TYPE_OPT(codec_names, str, codec_name, NULL, tmp_line);
if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
}else
av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
exit_program(1);
}
while (fgets(line, sizeof(line), f)) {
char *key = tmp_line, *value, *endptr;
if (strcspn(line, "#\n\r") == 0)
continue;
av_strlcpy(tmp_line, line, sizeof(tmp_line));
if (!av_strtok(key, "=", &value) ||
!av_strtok(value, "\r\n", &endptr)) {
av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
exit_program(1);
}
av_log(NULL, AV_LOG_DEBUG, "ffpreset[%s]: set '%s' = '%s'\n", filename, key, value);
if (!strcmp(key, "acodec")) opt_audio_codec (o, key, value);
else if (!strcmp(key, "vcodec")) opt_video_codec (o, key, value);
else if (!strcmp(key, "scodec")) opt_subtitle_codec(o, key, value);
else if (!strcmp(key, "dcodec")) opt_data_codec (o, key, value);
else if (opt_default_new(o, key, value) < 0) {
av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n",
filename, line, key, value);
exit_program(1);
}
}
fclose(f);
return 0;
}
int opt_old2new(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
int ret;
char *s = av_asprintf("%s:%c", opt + 1, *opt);
if (!s)
return AVERROR(ENOMEM);
ret = parse_option(o, s, arg, ffmpeg_options);
av_free(s);
return ret;
}
int opt_bitrate(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
if(!strcmp(opt, "ab")){
av_dict_set(&o->g->codec_opts, "b:a", arg, 0);
return 0;
} else if(!strcmp(opt, "b")){
av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
av_dict_set(&o->g->codec_opts, "b:v", arg, 0);
return 0;
}
av_dict_set(&o->g->codec_opts, opt, arg, 0);
return 0;
}
int opt_qscale(void *optctx, const char *opt, const char *arg)
{
OptionDef *options = ffmpeg_options;
OptionsContext *o = optctx;
char *s;
int ret;
if(!strcmp(opt, "qscale")){
av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
return parse_option(o, "q:v", arg, options);
}
s = av_asprintf("q%s", opt + 6);
if (!s)
return AVERROR(ENOMEM);
ret = parse_option(o, s, arg, options);
av_free(s);
return ret;
}
int opt_profile(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
if(!strcmp(opt, "profile")){
av_log(NULL, AV_LOG_WARNING, "Please use -profile:a or -profile:v, -profile is ambiguous\n");
av_dict_set(&o->g->codec_opts, "profile:v", arg, 0);
return 0;
}
av_dict_set(&o->g->codec_opts, opt, arg, 0);
return 0;
}
int opt_video_filters(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
return parse_option(o, "filter:v", arg, ffmpeg_options);
}
int opt_audio_filters(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
return parse_option(o, "filter:a", arg, ffmpeg_options);
}
int opt_vsync(void *optctx, const char *opt, const char *arg)
{
if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
if (video_sync_method == VSYNC_AUTO)
video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
return 0;
}
int opt_timecode(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
int ret;
char *tcr = av_asprintf("timecode=%s", arg);
if (!tcr)
return AVERROR(ENOMEM);
ret = parse_option(o, "metadata:g", tcr, ffmpeg_options);
if (ret >= 0)
ret = av_dict_set(&o->g->codec_opts, "gop_timecode", arg, 0);
av_free(tcr);
return ret;
}
int opt_channel_layout(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
char layout_str[32];
char *stream_str;
char *ac_str;
int ret, channels, ac_str_size;
uint64_t layout;
layout = av_get_channel_layout(arg);
if (!layout) {
av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg);
return AVERROR(EINVAL);
}
snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout);
ret = opt_default_new(o, opt, layout_str);
if (ret < 0)
return ret;
/* set 'ac' option based on channel layout */
channels = av_get_channel_layout_nb_channels(layout);
snprintf(layout_str, sizeof(layout_str), "%d", channels);
stream_str = strchr(opt, ':');
ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0);
ac_str = av_mallocz(ac_str_size);
if (!ac_str)
return AVERROR(ENOMEM);
av_strlcpy(ac_str, "ac", 3);
if (stream_str)
av_strlcat(ac_str, stream_str, ac_str_size);
ret = parse_option(o, ac_str, layout_str, ffmpeg_options);
av_free(ac_str);
return ret;
}
int opt_audio_qscale(void *optctx, const char *opt, const char *arg)
{
OptionsContext *o = optctx;
return parse_option(o, "q:a", arg, ffmpeg_options);
}
int opt_filter_complex(void *optctx, const char *opt, const char *arg)
{
GROW_ARRAY(filtergraphs, nb_filtergraphs);
if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
return AVERROR(ENOMEM);
filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
filtergraphs[nb_filtergraphs - 1]->graph_desc = av_strdup(arg);
if (!filtergraphs[nb_filtergraphs - 1]->graph_desc)
return AVERROR(ENOMEM);
input_stream_potentially_available = 1;
return 0;
}
int opt_filter_complex_script(void *optctx, const char *opt, const char *arg)
{
uint8_t *graph_desc = fftools_read_file(arg);
if (!graph_desc)
return AVERROR(EINVAL);
GROW_ARRAY(filtergraphs, nb_filtergraphs);
if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
return AVERROR(ENOMEM);
filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
filtergraphs[nb_filtergraphs - 1]->graph_desc = graph_desc;
input_stream_potentially_available = 1;
return 0;
}
void show_help_default_ffmpeg(const char *opt, const char *arg)
{
OptionDef *options = ffmpeg_options;
/* per-file options have at least one of those set */
const int per_file = OPT_SPEC | OPT_OFFSET | OPT_PERFILE;
int show_advanced = 0, show_avoptions = 0;
if (opt && *opt) {
if (!strcmp(opt, "long"))
show_advanced = 1;
else if (!strcmp(opt, "full"))
show_advanced = show_avoptions = 1;
else
av_log(NULL, AV_LOG_ERROR, "Unknown help option '%s'.\n", opt);
}
show_usage();
av_log(NULL, AV_LOG_STDERR, "Getting help:\n"
" -h -- print basic options\n"
" -h long -- print more options\n"
" -h full -- print all options (including all format and codec specific options, very long)\n"
" -h type=name -- print all options for the named decoder/encoder/demuxer/muxer/filter/bsf/protocol\n"
" See man %s for detailed description of the options.\n"
"\n", program_name);
show_help_options(options, "Print help / information / capabilities:",
OPT_EXIT, 0, 0);
show_help_options(options, "Global options (affect whole program "
"instead of just one file):",
0, per_file | OPT_EXIT | OPT_EXPERT, 0);
if (show_advanced)
show_help_options(options, "Advanced global options:", OPT_EXPERT,
per_file | OPT_EXIT, 0);
show_help_options(options, "Per-file main options:", 0,
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE |
OPT_EXIT, per_file);
if (show_advanced)
show_help_options(options, "Advanced per-file options:",
OPT_EXPERT, OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE, per_file);
show_help_options(options, "Video options:",
OPT_VIDEO, OPT_EXPERT | OPT_AUDIO, 0);
if (show_advanced)
show_help_options(options, "Advanced Video options:",
OPT_EXPERT | OPT_VIDEO, OPT_AUDIO, 0);
show_help_options(options, "Audio options:",
OPT_AUDIO, OPT_EXPERT | OPT_VIDEO, 0);
if (show_advanced)
show_help_options(options, "Advanced Audio options:",
OPT_EXPERT | OPT_AUDIO, OPT_VIDEO, 0);
show_help_options(options, "Subtitle options:",
OPT_SUBTITLE, 0, 0);
av_log(NULL, AV_LOG_STDERR, "\n");
if (show_avoptions) {
int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
show_help_children(avcodec_get_class(), flags);
show_help_children(avformat_get_class(), flags);
#if CONFIG_SWSCALE
show_help_children(sws_get_class(), flags);
#endif
#if CONFIG_SWRESAMPLE
show_help_children(swr_get_class(), AV_OPT_FLAG_AUDIO_PARAM);
#endif
show_help_children(avfilter_get_class(), AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_FILTERING_PARAM);
show_help_children(av_bsf_get_class(), AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_BSF_PARAM);
}
}
void show_usage(void)
{
av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
av_log(NULL, AV_LOG_INFO, "\n");
}
enum OptGroup {
GROUP_OUTFILE,
GROUP_INFILE,
};
const OptionGroupDef groups[] = {
[GROUP_OUTFILE] = { "output url", NULL, OPT_OUTPUT },
[GROUP_INFILE] = { "input url", "i", OPT_INPUT },
};
int open_files(OptionGroupList *l, const char *inout,
int (*open_file)(OptionsContext*, const char*))
{
int i, ret;
for (i = 0; i < l->nb_groups; i++) {
OptionGroup *g = &l->groups[i];
OptionsContext o;
init_options(&o);
o.g = g;
ret = parse_optgroup(&o, g);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error parsing options for %s file "
"%s.\n", inout, g->arg);
uninit_options(&o);
return ret;
}
av_log(NULL, AV_LOG_DEBUG, "Opening an %s file: %s.\n", inout, g->arg);
ret = open_file(&o, g->arg);
uninit_options(&o);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error opening %s file %s.\n",
inout, g->arg);
return ret;
}
av_log(NULL, AV_LOG_DEBUG, "Successfully opened the file.\n");
}
return 0;
}
int ffmpeg_parse_options(int argc, char **argv)
{
OptionParseContext octx;
uint8_t error[128];
int ret;
memset(&octx, 0, sizeof(octx));
/* split the commandline into an internal representation */
ret = split_commandline(&octx, argc, argv, ffmpeg_options, groups,
FF_ARRAY_ELEMS(groups));
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL, "Error splitting the argument list: ");
goto fail;
}
/* apply global options */
ret = parse_optgroup(NULL, &octx.global_opts);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL, "Error parsing global options: ");
goto fail;
}
/* configure terminal and setup signal handlers */
term_init();
/* open input files */
ret = open_files(&octx.groups[GROUP_INFILE], "input", open_input_file);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL, "Error opening input files: ");
goto fail;
}
/* create the complex filtergraphs */
ret = init_complex_filters();
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL, "Error initializing complex filters.\n");
goto fail;
}
/* open output files */
ret = open_files(&octx.groups[GROUP_OUTFILE], "output", open_output_file);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL, "Error opening output files: ");
goto fail;
}
check_filter_outputs();
fail:
uninit_parse_context(&octx);
if (ret < 0) {
av_strerror(ret, error, sizeof(error));
av_log(NULL, AV_LOG_FATAL, "%s\n", error);
}
return ret;
}
int opt_progress(void *optctx, const char *opt, const char *arg)
{
AVIOContext *avio = NULL;
int ret;
if (!strcmp(arg, "-"))
arg = "pipe:";
ret = avio_open2(&avio, arg, AVIO_FLAG_WRITE, &int_cb, NULL);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Failed to open progress URL \"%s\": %s\n",
arg, av_err2str(ret));
return ret;
}
progress_avio = avio;
return 0;
}
exit_program
void exit_program(int ret)
Definition: fftools_cmdutils.c:166
show_help_children
void show_help_children(const AVClass *class, int flags)
Definition: fftools_cmdutils.c:239
codec_opts
__thread AVDictionary * codec_opts
Definition: fftools_cmdutils.c:103
parse_option
int parse_option(void *optctx, const char *opt, const char *arg, const OptionDef *options)
Definition: fftools_cmdutils.c:384
show_help_options
void show_help_options(const OptionDef *options, const char *msg, int req_flags, int rej_flags, int alt_flags)
Definition: fftools_cmdutils.c:210
format_opts
__thread AVDictionary * format_opts
Definition: fftools_cmdutils.c:103
opt_default
int opt_default(void *optctx, const char *opt, const char *arg)
Definition: fftools_cmdutils.c:583
print_error
void print_error(const char *filename, int err)
Definition: fftools_cmdutils.c:1131
read_yesno
int read_yesno(void)
Definition: fftools_cmdutils.c:2084
get_preset_file
FILE * get_preset_file(char *filename, size_t filename_size, const char *preset_name, int is_path, const char *codec_name)
Definition: fftools_cmdutils.c:2095
grow_array
void * grow_array(void *array, int elem_size, int *size, int new_size)
Definition: fftools_cmdutils.c:2230
setup_find_stream_info_opts
AVDictionary ** setup_find_stream_info_opts(AVFormatContext *s, AVDictionary *codec_opts)
Definition: fftools_cmdutils.c:2210
check_stream_specifier
int check_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec)
Definition: fftools_cmdutils.c:2145
program_name
__thread char * program_name
Definition: fftools_cmdutils.c:98
uninit_parse_context
void uninit_parse_context(OptionParseContext *octx)
Definition: fftools_cmdutils.c:765
split_commandline
int split_commandline(OptionParseContext *octx, int argc, char *argv[], const OptionDef *options, const OptionGroupDef *groups, int nb_groups)
Definition: fftools_cmdutils.c:791
filter_codec_opts
AVDictionary * filter_codec_opts(AVDictionary *opts, enum AVCodecID codec_id, AVFormatContext *s, AVStream *st, AVCodec *codec)
Definition: fftools_cmdutils.c:2153
parse_time_or_die
int64_t parse_time_or_die(const char *context, const char *timestr, int is_duration)
Definition: fftools_cmdutils.c:198
parse_optgroup
int parse_optgroup(void *optctx, OptionGroup *g)
Definition: fftools_cmdutils.c:452
parse_number_or_die
double parse_number_or_die(const char *context, const char *numstr, int type, double min, double max)
Definition: fftools_cmdutils.c:177
fftools_cmdutils.h
OPT_VIDEO
#define OPT_VIDEO
Definition: fftools_cmdutils.h:194
OPT_SPEC
#define OPT_SPEC
Definition: fftools_cmdutils.h:204
OPT_PERFILE
#define OPT_PERFILE
Definition: fftools_cmdutils.h:202
OPT_INT
#define OPT_INT
Definition: fftools_cmdutils.h:196
AV_LOG_STDERR
#define AV_LOG_STDERR
Definition: fftools_cmdutils.h:63
OPT_INPUT
#define OPT_INPUT
Definition: fftools_cmdutils.h:207
OPT_STRING
#define OPT_STRING
Definition: fftools_cmdutils.h:193
GROW_ARRAY
#define GROW_ARRAY(array, nb_elems)
Definition: fftools_cmdutils.h:609
OPT_AUDIO
#define OPT_AUDIO
Definition: fftools_cmdutils.h:195
OPT_SUBTITLE
#define OPT_SUBTITLE
Definition: fftools_cmdutils.h:198
OPT_EXPERT
#define OPT_EXPERT
Definition: fftools_cmdutils.h:192
OPT_EXIT
#define OPT_EXIT
Definition: fftools_cmdutils.h:200
OPT_OUTPUT
#define OPT_OUTPUT
Definition: fftools_cmdutils.h:208
OPT_OFFSET
#define OPT_OFFSET
Definition: fftools_cmdutils.h:203
input_streams
__thread InputStream ** input_streams
Definition: fftools_ffmpeg.c:179
int_cb
__thread const AVIOInterruptCB int_cb
Definition: fftools_ffmpeg.c:621
nb_input_streams
__thread int nb_input_streams
Definition: fftools_ffmpeg.c:180
term_exit
void term_exit(void)
Definition: fftools_ffmpeg.c:432
output_streams
__thread OutputStream ** output_streams
Definition: fftools_ffmpeg.c:184
output_files
__thread OutputFile ** output_files
Definition: fftools_ffmpeg.c:186
nb_output_streams
__thread int nb_output_streams
Definition: fftools_ffmpeg.c:185
guess_input_channel_layout
int guess_input_channel_layout(InputStream *ist)
Definition: fftools_ffmpeg.c:2301
nb_input_files
__thread int nb_input_files
Definition: fftools_ffmpeg.c:182
nb_output_files
__thread int nb_output_files
Definition: fftools_ffmpeg.c:187
progress_avio
__thread AVIOContext * progress_avio
Definition: fftools_ffmpeg.c:175
input_files
__thread InputFile ** input_files
Definition: fftools_ffmpeg.c:181
filtergraphs
__thread FilterGraph ** filtergraphs
Definition: fftools_ffmpeg.c:189
remove_avoptions
void remove_avoptions(AVDictionary **a, AVDictionary *b)
Definition: fftools_ffmpeg.c:783
nb_filtergraphs
__thread int nb_filtergraphs
Definition: fftools_ffmpeg.c:190
term_init
void term_init(void)
Definition: fftools_ffmpeg.c:504
opt_progress
int opt_progress(void *optctx, const char *opt, const char *arg)
assert_avoptions
void assert_avoptions(AVDictionary *m)
Definition: fftools_ffmpeg.c:792
fftools_ffmpeg.h
HWACCEL_NONE
@ HWACCEL_NONE
Definition: fftools_ffmpeg.h:82
HWACCEL_QSV
@ HWACCEL_QSV
Definition: fftools_ffmpeg.h:86
HWACCEL_GENERIC
@ HWACCEL_GENERIC
Definition: fftools_ffmpeg.h:84
HWACCEL_AUTO
@ HWACCEL_AUTO
Definition: fftools_ffmpeg.h:83
HWACCEL_VIDEOTOOLBOX
@ HWACCEL_VIDEOTOOLBOX
Definition: fftools_ffmpeg.h:85
VSYNC_DROP
#define VSYNC_DROP
Definition: fftools_ffmpeg.h:77
videotoolbox_init
int videotoolbox_init(AVCodecContext *s)
MAX_STREAMS
#define MAX_STREAMS
Definition: fftools_ffmpeg.h:79
VSYNC_CFR
#define VSYNC_CFR
Definition: fftools_ffmpeg.h:74
VSYNC_AUTO
#define VSYNC_AUTO
Definition: fftools_ffmpeg.h:72
init_simple_filtergraph
int init_simple_filtergraph(InputStream *ist, OutputStream *ost)
open_files
int open_files(OptionGroupList *l, const char *inout, int(*open_file)(OptionsContext *, const char *))
ffmpeg_parse_options
int ffmpeg_parse_options(int argc, char **argv)
ABORT_ON_FLAG_EMPTY_OUTPUT
#define ABORT_ON_FLAG_EMPTY_OUTPUT
Definition: fftools_ffmpeg.h:462
qsv_init
int qsv_init(AVCodecContext *s)
DECODING_FOR_OST
#define DECODING_FOR_OST
Definition: fftools_ffmpeg.h:329
hw_device_init_from_string
int hw_device_init_from_string(const char *arg, HWDevice **dev)
Definition: fftools_ffmpeg_hw.c:103
check_filter_outputs
void check_filter_outputs(void)
Definition: fftools_ffmpeg_filter.c:692
VSYNC_PASSTHROUGH
#define VSYNC_PASSTHROUGH
Definition: fftools_ffmpeg.h:73
hw_device_get_by_name
HWDevice * hw_device_get_by_name(const char *name)
Definition: fftools_ffmpeg_hw.c:53
VSYNC_VFR
#define VSYNC_VFR
Definition: fftools_ffmpeg.h:75
ABORT_ON_FLAG_EMPTY_OUTPUT_STREAM
#define ABORT_ON_FLAG_EMPTY_OUTPUT_STREAM
Definition: fftools_ffmpeg.h:463
init_complex_filtergraph
int init_complex_filtergraph(FilterGraph *fg)
Definition: fftools_ffmpeg_filter.c:349
int
int
Definition: fftools_ffmpeg_filter.c:200
dts_delta_threshold
__thread float dts_delta_threshold
Definition: fftools_ffmpeg_opt.c:169
SET_DICT
#define SET_DICT(type, meta, context, index)
opt_channel_layout
int opt_channel_layout(void *optctx, const char *opt, const char *arg)
Definition: fftools_ffmpeg_opt.c:3173
opt_name_frame_aspect_ratios
static const char *const opt_name_frame_aspect_ratios[]
Definition: fftools_ffmpeg_opt.c:92
uninit_options
void uninit_options(OptionsContext *o)
Definition: fftools_ffmpeg_opt.c:211
choose_encoder
int choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
Definition: fftools_ffmpeg_opt.c:1406
opt_name_max_frames
static const char *const opt_name_max_frames[]
Definition: fftools_ffmpeg_opt.c:85
copy_tb
__thread int copy_tb
Definition: fftools_ffmpeg_opt.c:183
opt_name_audio_channels
static const char *const opt_name_audio_channels[]
Definition: fftools_ffmpeg_opt.c:73
opt_sdp_file
int opt_sdp_file(void *optctx, const char *opt, const char *arg)
Definition: fftools_ffmpeg_opt.c:570
new_attachment_stream
OutputStream * new_attachment_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
Definition: fftools_ffmpeg_opt.c:2017
frame_bits_per_raw_sample
__thread int frame_bits_per_raw_sample
Definition: fftools_ffmpeg_opt.c:190
opt_timecode
int opt_timecode(void *optctx, const char *opt, const char *arg)
Definition: fftools_ffmpeg_opt.c:3159
ffmpeg_options
__thread OptionDef * ffmpeg_options
Definition: fftools_ffmpeg.c:5163
opt_name_fix_sub_duration
static const char *const opt_name_fix_sub_duration[]
Definition: fftools_ffmpeg_opt.c:104
opt_vstats_file
int opt_vstats_file(void *optctx, const char *opt, const char *arg)
Definition: fftools_ffmpeg_opt.c:2968
parse_meta_type
void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
Definition: fftools_ffmpeg_opt.c:628
new_audio_stream
OutputStream * new_audio_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
Definition: fftools_ffmpeg_opt.c:1918
copy_chapters
int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
Definition: fftools_ffmpeg_opt.c:2075
stats_period
__thread int64_t stats_period
Definition: fftools_ffmpeg_opt.c:196
opt_data_codec
int opt_data_codec(void *optctx, const char *opt, const char *arg)
Definition: fftools_ffmpeg_opt.c:361
opt_streamid
int opt_streamid(void *optctx, const char *opt, const char *arg)
Definition: fftools_ffmpeg_opt.c:2053
opt_name_canvas_sizes
static const char *const opt_name_canvas_sizes[]
Definition: fftools_ffmpeg_opt.c:105
opt_qscale
int opt_qscale(void *optctx, const char *opt, const char *arg)
Definition: fftools_ffmpeg_opt.c:3105
opt_sameq
int opt_sameq(void *optctx, const char *opt, const char *arg)
Definition: fftools_ffmpeg_opt.c:322
new_subtitle_stream
OutputStream * new_subtitle_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
Definition: fftools_ffmpeg_opt.c:2025
opt_filter_complex_script
int opt_filter_complex_script(void *optctx, const char *opt, const char *arg)
Definition: fftools_ffmpeg_opt.c:3230
sdp_filename
__thread char * sdp_filename
Definition: fftools_ffmpeg_opt.c:166
opt_name_top_field_first
static const char *const opt_name_top_field_first[]
Definition: fftools_ffmpeg_opt.c:97
opt_filter_complex
int opt_filter_complex(void *optctx, const char *opt, const char *arg)
Definition: fftools_ffmpeg_opt.c:3215
opt_name_autorotate
static const char *const opt_name_autorotate[]
Definition: fftools_ffmpeg_opt.c:83
opt_name_inter_matrices
static const char *const opt_name_inter_matrices[]
Definition: fftools_ffmpeg_opt.c:95
opt_vsync
int opt_vsync(void *optctx, const char *opt, const char *arg)
Definition: fftools_ffmpeg_opt.c:3147
fftools_read_file
uint8_t * fftools_read_file(const char *filename)
Definition: fftools_ffmpeg_opt.c:1645
print_stats
__thread int print_stats
Definition: fftools_ffmpeg_opt.c:187
video_sync_method
__thread int video_sync_method
Definition: fftools_ffmpeg_opt.c:174
filter_complex_nbthreads
__thread int filter_complex_nbthreads
Definition: fftools_ffmpeg_opt.c:193
abort_on_flags
__thread int abort_on_flags
Definition: fftools_ffmpeg_opt.c:186
opt_name_sample_fmts
static const char *const opt_name_sample_fmts[]
Definition: fftools_ffmpeg_opt.c:88
opt_name_codec_tags
static const char *const opt_name_codec_tags[]
Definition: fftools_ffmpeg_opt.c:87
opt_name_force_fps
static const char *const opt_name_force_fps[]
Definition: fftools_ffmpeg_opt.c:91
audio_volume
__thread int audio_volume
Definition: fftools_ffmpeg_opt.c:172
max_error_rate
__thread float max_error_rate
Definition: fftools_ffmpeg_opt.c:191
opt_name_passlogfiles
static const char *const opt_name_passlogfiles[]
Definition: fftools_ffmpeg_opt.c:107
opt_name_max_muxing_queue_size
static const char *const opt_name_max_muxing_queue_size[]
Definition: fftools_ffmpeg_opt.c:108
opt_name_muxing_queue_data_threshold
static const char *const opt_name_muxing_queue_data_threshold[]
Definition: fftools_ffmpeg_opt.c:109
opt_name_apad
static const char *const opt_name_apad[]
Definition: fftools_ffmpeg_opt.c:111
opt_name_hwaccels
static const char *const opt_name_hwaccels[]
Definition: fftools_ffmpeg_opt.c:80
copy_ts
__thread int copy_ts
Definition: fftools_ffmpeg_opt.c:181
stdin_interaction
__thread int stdin_interaction
Definition: fftools_ffmpeg_opt.c:189
opt_name_copy_prior_start
static const char *const opt_name_copy_prior_start[]
Definition: fftools_ffmpeg_opt.c:100
opt_name_presets
static const char *const opt_name_presets[]
Definition: fftools_ffmpeg_opt.c:98
opt_subtitle_codec
int opt_subtitle_codec(void *optctx, const char *opt, const char *arg)
Definition: fftools_ffmpeg_opt.c:355
MATCH_PER_TYPE_OPT
#define MATCH_PER_TYPE_OPT(name, type, outvar, fmtctx, mediatype)
Definition: fftools_ffmpeg_opt.c:144
dts_error_threshold
__thread float dts_error_threshold
Definition: fftools_ffmpeg_opt.c:170
opt_video_standard
int opt_video_standard(void *optctx, const char *opt, const char *arg)
Definition: fftools_ffmpeg_opt.c:337
DEFAULT_PASS_LOGFILENAME_PREFIX
#define DEFAULT_PASS_LOGFILENAME_PREFIX
Definition: fftools_ffmpeg_opt.c:63
opt_name_frame_rates
static const char *const opt_name_frame_rates[]
Definition: fftools_ffmpeg_opt.c:75
open_input_file
int open_input_file(OptionsContext *o, const char *filename)
Definition: fftools_ffmpeg_opt.c:1087
opt_profile
int opt_profile(void *optctx, const char *opt, const char *arg)
Definition: fftools_ffmpeg_opt.c:3123
opt_name_max_frame_rates
static const char *const opt_name_max_frame_rates[]
Definition: fftools_ffmpeg_opt.c:76
get_ost_filters
char * get_ost_filters(OptionsContext *o, AVFormatContext *oc, OutputStream *ost)
Definition: fftools_ffmpeg_opt.c:1673
find_codec_or_die
AVCodec * find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
Definition: fftools_ffmpeg_opt.c:760
filter_nbthreads
__thread int filter_nbthreads
Definition: fftools_ffmpeg_opt.c:192
opt_abort_on
int opt_abort_on(void *optctx, const char *opt, const char *arg)
Definition: fftools_ffmpeg_opt.c:288
show_usage
void show_usage(void)
Definition: fftools_ffmpeg_opt.c:3320
opt_name_hwaccel_devices
static const char *const opt_name_hwaccel_devices[]
Definition: fftools_ffmpeg_opt.c:81
copy_unknown_streams
__thread int copy_unknown_streams
Definition: fftools_ffmpeg_opt.c:206
opt_video_codec
int opt_video_codec(void *optctx, const char *opt, const char *arg)
Definition: fftools_ffmpeg_opt.c:349
opt_data_frames
int opt_data_frames(void *optctx, const char *opt, const char *arg)
Definition: fftools_ffmpeg_opt.c:3003
get_line
uint8_t * get_line(AVIOContext *s)
Definition: fftools_ffmpeg_opt.c:1361
opt_video_filters
int opt_video_filters(void *optctx, const char *opt, const char *arg)
Definition: fftools_ffmpeg_opt.c:3135
input_sync
__thread int input_sync
Definition: fftools_ffmpeg_opt.c:203
opt_attach
int opt_attach(void *optctx, const char *opt, const char *arg)
Definition: fftools_ffmpeg_opt.c:485
do_benchmark
__thread int do_benchmark
Definition: fftools_ffmpeg_opt.c:177
opt_filter_hw_device
int opt_filter_hw_device(void *optctx, const char *opt, const char *arg)
Definition: fftools_ffmpeg_opt.c:607
frame_drop_threshold
__thread float frame_drop_threshold
Definition: fftools_ffmpeg_opt.c:175
vstats_version
__thread int vstats_version
Definition: fftools_ffmpeg_opt.c:194
vstats_filename
__thread char * vstats_filename
Definition: fftools_ffmpeg_opt.c:165
do_deinterlace
__thread int do_deinterlace
Definition: fftools_ffmpeg_opt.c:176
opt_audio_frames
int opt_audio_frames(void *optctx, const char *opt, const char *arg)
Definition: fftools_ffmpeg_opt.c:2997
no_file_overwrite
__thread int no_file_overwrite
Definition: fftools_ffmpeg_opt.c:201
opt_target
int opt_target(void *optctx, const char *opt, const char *arg)
Definition: fftools_ffmpeg_opt.c:2824
check_streamcopy_filters
void check_streamcopy_filters(OptionsContext *o, AVFormatContext *oc, const OutputStream *ost, enum AVMediaType type)
Definition: fftools_ffmpeg_opt.c:1693
opt_name_discard
static const char *const opt_name_discard[]
Definition: fftools_ffmpeg_opt.c:112
opt_name_rc_overrides
static const char *const opt_name_rc_overrides[]
Definition: fftools_ffmpeg_opt.c:93
opt_name_forced_key_frames
static const char *const opt_name_forced_key_frames[]
Definition: fftools_ffmpeg_opt.c:90
audio_sync_method
__thread int audio_sync_method
Definition: fftools_ffmpeg_opt.c:173
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Definition: fftools_ffmpeg_opt.c:2160
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Definition: fftools_ffmpeg_opt.c:1441
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static const char *const opt_name_time_bases[]
Definition: fftools_ffmpeg_opt.c:114
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Definition: fftools_ffmpeg_opt.c:200
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Definition: fftools_ffmpeg_opt.c:367
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__thread float audio_drift_threshold
Definition: fftools_ffmpeg_opt.c:168
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Definition: fftools_ffmpeg_opt.c:77
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Definition: fftools_ffmpeg_opt.c:74
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Definition: fftools_ffmpeg_opt.c:102
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Definition: fftools_ffmpeg_opt.c:178
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Definition: fftools_ffmpeg_opt.c:2975
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Definition: fftools_ffmpeg_opt.c:789
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Definition: fftools_ffmpeg_opt.c:331
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Definition: fftools_ffmpeg_opt.c:182
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Definition: fftools_ffmpeg_opt.c:115
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Definition: fftools_ffmpeg_opt.c:1627
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Definition: fftools_ffmpeg_opt.c:103
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Definition: fftools_ffmpeg_opt.c:207
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Definition: fftools_ffmpeg_opt.c:2991
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Definition: fftools_ffmpeg_opt.c:1012
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Definition: fftools_ffmpeg_opt.c:3141
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Definition: fftools_ffmpeg_opt.c:185
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Definition: fftools_ffmpeg_opt.c:110
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Definition: fftools_ffmpeg_opt.c:3029
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Definition: fftools_ffmpeg_opt.c:101
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Definition: fftools_ffmpeg_opt.c:99
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Definition: fftools_ffmpeg_opt.c:307
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Definition: fftools_ffmpeg_opt.c:94
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Definition: fftools_ffmpeg_opt.c:127
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Definition: fftools_ffmpeg_opt.c:188
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Definition: fftools_ffmpeg_opt.c:89
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Definition: fftools_ffmpeg_opt.c:3089
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Definition: fftools_ffmpeg_opt.c:2004
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Definition: fftools_ffmpeg_opt.c:72
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int fftools_copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
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Definition: fftools_ffmpeg_opt.c:3009
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Definition: fftools_ffmpeg_opt.c:202
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Definition: fftools_ffmpeg_opt.c:179
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Definition: fftools_ffmpeg_opt.c:84
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Definition: fftools_ffmpeg_opt.c:180
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const HWAccel hwaccels[]
Definition: fftools_ffmpeg_opt.c:154
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Definition: fftools_ffmpeg_opt.c:1055
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Definition: fftools_ffmpeg_opt.c:243
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Definition: fftools_ffmpeg_opt.c:184
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Definition: fftools_ffmpeg_opt.c:493
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Definition: fftools_ffmpeg_opt.c:2172
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Definition: fftools_ffmpeg_opt.c:343
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Definition: fftools_ffmpeg_opt.c:745
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__thread int auto_conversion_filters
Definition: fftools_ffmpeg_opt.c:195
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static const char *const opt_name_ts_scale[]
Definition: fftools_ffmpeg_opt.c:79
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static const char *const opt_name_disposition[]
Definition: fftools_ffmpeg_opt.c:113
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Definition: fftools_ffmpeg_opt.c:3247
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Definition: fftools_ffmpeg_opt.c:204
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Definition: fftools_ffmpeg_opt.c:78
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Definition: fftools_ffmpeg_opt.c:205
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Definition: fftools_ffmpeg_opt.c:199
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Definition: fftools_ffmpeg_opt.c:106
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Definition: fftools_ffmpeg_opt.c:592
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Definition: saf_wrapper.h:44
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Definition: saf_wrapper.h:40
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Definition: saf_wrapper.h:36
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Definition: saf_wrapper.h:30
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Definition: saf_wrapper.h:33
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Definition: fftools_ffmpeg.h:112
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Definition: fftools_ffmpeg.h:113
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Definition: fftools_ffmpeg.h:114
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Definition: fftools_ffmpeg.h:114
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Definition: fftools_ffmpeg.h:113
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Definition: fftools_ffmpeg.h:113
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Definition: fftools_ffmpeg.h:310
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Definition: fftools_ffmpeg.h:311
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Definition: fftools_ffmpeg.h:320
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Definition: fftools_ffmpeg.h:319
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Definition: fftools_ffmpeg.h:312
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Definition: fftools_ffmpeg.h:89
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Definition: fftools_ffmpeg.h:92
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Definition: fftools_ffmpeg.h:90
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Definition: fftools_ffmpeg.h:96
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Definition: fftools_ffmpeg.h:422
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Definition: fftools_ffmpeg.h:433
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Definition: fftools_ffmpeg.h:428
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Definition: fftools_ffprobe.c:87
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Definition: fftools_ffmpeg.h:423
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Definition: fftools_ffmpeg.h:441
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Definition: fftools_ffmpeg.h:427
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Definition: fftools_ffmpeg.h:430
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Definition: fftools_ffmpeg.h:426
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Definition: fftools_ffmpeg.h:435
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Definition: fftools_ffmpeg.h:438
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Definition: fftools_ffmpeg.h:323
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Definition: fftools_ffmpeg.h:403
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Definition: fftools_ffmpeg.h:358
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Definition: fftools_ffmpeg.h:367
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Definition: fftools_ffmpeg.h:396
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Definition: fftools_ffmpeg.h:332
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Definition: fftools_ffmpeg.h:333
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Definition: fftools_ffmpeg.h:393
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Definition: fftools_ffmpeg.h:390
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Definition: fftools_ffmpeg.h:327
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Definition: fftools_ffmpeg.h:326
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Definition: fftools_ffmpeg.h:328
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Definition: fftools_ffmpeg.h:325
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Definition: fftools_ffmpeg.h:324
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Definition: fftools_ffmpeg.h:394
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Definition: fftools_ffmpeg.h:361
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Definition: fftools_cmdutils.h:187
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union OptionDef::@1 u
OptionDef::flags
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Definition: fftools_cmdutils.h:189
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Definition: fftools_cmdutils.h:212
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Definition: fftools_cmdutils.h:188
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OptionGroup
Definition: fftools_cmdutils.h:297
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Definition: fftools_cmdutils.h:304
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Definition: fftools_cmdutils.h:307
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Definition: fftools_cmdutils.h:299
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Definition: fftools_cmdutils.h:305
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Definition: fftools_cmdutils.h:315
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Definition: fftools_cmdutils.h:319
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Definition: fftools_cmdutils.h:318
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Definition: fftools_cmdutils.h:322
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Definition: fftools_cmdutils.h:323
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Definition: fftools_cmdutils.h:325
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Definition: fftools_ffmpeg.h:117
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Definition: fftools_ffmpeg.h:219
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Definition: fftools_ffmpeg.h:177
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Definition: fftools_ffmpeg.h:138
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Definition: fftools_ffmpeg.h:150
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Definition: fftools_ffmpeg.h:163
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Definition: fftools_ffmpeg.h:180
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Definition: fftools_ffmpeg.h:124
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Definition: fftools_ffmpeg.h:189
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Definition: fftools_ffmpeg.h:142
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Definition: fftools_ffmpeg.h:130
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Definition: fftools_ffmpeg.h:165
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Definition: fftools_ffmpeg.h:144
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Definition: fftools_ffmpeg.h:133
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Definition: fftools_ffmpeg.h:170
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Definition: fftools_ffmpeg.h:193
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Definition: fftools_ffmpeg.h:166
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Definition: fftools_ffmpeg.h:162
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Definition: fftools_ffmpeg.h:136
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Definition: fftools_ffmpeg.h:194
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Definition: fftools_ffmpeg.h:192
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Definition: fftools_ffmpeg.h:191
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Definition: fftools_ffmpeg.h:137
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Definition: fftools_ffmpeg.h:183
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Definition: fftools_ffmpeg.h:169
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Definition: fftools_ffmpeg.h:253
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Definition: fftools_ffmpeg.h:118
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Definition: fftools_ffmpeg.h:594
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Definition: fftools_ffmpeg.h:595
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start time in microseconds == AV_TIME_BASE units
Definition: fftools_ffmpeg.h:599
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Definition: fftools_ffmpeg.h:596
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Definition: fftools_ffmpeg.h:597
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Definition: fftools_ffmpeg.h:602
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Definition: fftools_ffmpeg.h:598
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Definition: fftools_ffmpeg.h:287
OutputFilter::width
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Definition: fftools_ffmpeg.h:298
OutputFilter::out_tmp
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Definition: fftools_ffmpeg.h:289
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Definition: fftools_ffmpeg.h:301
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Definition: fftools_ffmpeg.h:295
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Definition: fftools_ffmpeg.h:543
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OutputStream::force_fps
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Definition: fftools_ffmpeg.h:509
OutputStream::max_frames
int64_t max_frames
Definition: fftools_ffmpeg.h:497
OutputStream::muxing_queue_data_threshold
size_t muxing_queue_data_threshold
Definition: fftools_ffmpeg.h:585
OutputStream::apad
char * apad
Definition: fftools_ffmpeg.h:542
OutputStream::resample_opts
AVDictionary * resample_opts
Definition: fftools_ffmpeg.h:541
OutputStream::max_frame_rate
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Definition: fftools_ffmpeg.h:507
OutputStream::enc_timebase
AVRational enc_timebase
Definition: fftools_ffmpeg.h:490
OutputStream::stream_copy
int stream_copy
Definition: fftools_ffmpeg.h:545
OutputStream::muxing_queue
AVFifoBuffer * muxing_queue
Definition: fftools_ffmpeg.h:576
OutputStream::ref_par
AVCodecParameters * ref_par
Definition: fftools_ffmpeg.h:495
OutputStream::forced_keyframes
char * forced_keyframes
Definition: fftools_ffmpeg.h:522
OutputStream::attachment_filename
const char * attachment_filename
Definition: fftools_ffmpeg.h:554
OutputStream::frame_rate
AVRational frame_rate
Definition: fftools_ffmpeg.h:506
OutputStream::copy_prior_start
int copy_prior_start
Definition: fftools_ffmpeg.h:556
OutputStream::enc_ctx
AVCodecContext * enc_ctx
Definition: fftools_ffmpeg.h:494
OutputStream::sync_ist
struct InputStream * sync_ist
Definition: fftools_ffmpeg.h:481
OutputStream::encoding_needed
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Definition: fftools_ffmpeg.h:477
OutputStream::encoder_opts
AVDictionary * encoder_opts
Definition: fftools_ffmpeg.h:538
OutputStream::st
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Definition: fftools_ffmpeg.h:476
OutputStream::filters
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filtergraph associated to the -filter option
Definition: fftools_ffmpeg.h:535
OutputStream::avfilter
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Definition: fftools_ffmpeg.h:534
OutputStream::forced_kf_ref_pts
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Definition: fftools_ffmpeg.h:518
OutputStream::filters_script
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filtergraph script associated to the -filter_script option
Definition: fftools_ffmpeg.h:536
OutputStream::bsf_ctx
AVBSFContext * bsf_ctx
Definition: fftools_ffmpeg.h:492
OutputStream::enc
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Definition: fftools_ffmpeg.h:496
OutputStream::sws_dict
AVDictionary * sws_dict
Definition: fftools_ffmpeg.h:539
OutputStream::filter
OutputFilter * filter
Definition: fftools_ffmpeg.h:533
OutputStream::disposition
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Definition: fftools_ffmpeg.h:557
OutputStream::index
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Definition: fftools_ffmpeg.h:474
OutputStream::rotate_overridden
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Definition: fftools_ffmpeg.h:511
OutputStream::keep_pix_fmt
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Definition: fftools_ffmpeg.h:559
OutputStream::muxing_queue_data_size
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Definition: fftools_ffmpeg.h:582
OutputStream::logfile
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Definition: fftools_ffmpeg.h:531
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Definition: fftools_ffmpeg.h:473
OutputStream::logfile_prefix
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Definition: fftools_ffmpeg.h:530
SpecifierOpt
Definition: fftools_cmdutils.h:175
SpecifierOpt::u
union SpecifierOpt::@0 u
SpecifierOpt::str
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Definition: fftools_cmdutils.h:178
SpecifierOpt::i
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Definition: fftools_cmdutils.h:179
SpecifierOpt::specifier
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Definition: fftools_cmdutils.h:176
StreamMap
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StreamMap::stream_index
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StreamMap::disabled
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StreamMap::linklabel
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Definition: fftools_ffmpeg.h:109
StreamMap::sync_file_index
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StreamMap::file_index
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