From fac4b3d4babccfa4e98baabf54dda2b2d611cc99 Mon Sep 17 00:00:00 2001 From: xufulong Date: Tue, 5 Oct 2021 19:22:48 +0800 Subject: [PATCH] remove smp.c --- app/src/main/cpp/sox/CmakeLists.txt | 1 - app/src/main/cpp/sox/formats.h | 2 +- app/src/main/cpp/sox/smp.c | 418 ---------------------------- 3 files changed, 1 insertion(+), 420 deletions(-) delete mode 100644 app/src/main/cpp/sox/smp.c diff --git a/app/src/main/cpp/sox/CmakeLists.txt b/app/src/main/cpp/sox/CmakeLists.txt index 364d14d..1f6aee6 100644 --- a/app/src/main/cpp/sox/CmakeLists.txt +++ b/app/src/main/cpp/sox/CmakeLists.txt @@ -109,7 +109,6 @@ set(formats_srcs s2-fmt.c s3-fmt.c s4-fmt.c - smp.c sounder.c soundtool.c sox-fmt.c diff --git a/app/src/main/cpp/sox/formats.h b/app/src/main/cpp/sox/formats.h index db88d8f..a1ec042 100644 --- a/app/src/main/cpp/sox/formats.h +++ b/app/src/main/cpp/sox/formats.h @@ -45,7 +45,7 @@ FORMAT(s4) // FORMAT(sf) FORMAT(sln) - FORMAT(smp) +// FORMAT(smp) FORMAT(sounder) FORMAT(soundtool) FORMAT(sox) diff --git a/app/src/main/cpp/sox/smp.c b/app/src/main/cpp/sox/smp.c deleted file mode 100644 index bf8ac63..0000000 --- a/app/src/main/cpp/sox/smp.c +++ /dev/null @@ -1,418 +0,0 @@ -/* libSoX SampleVision file format handler. - * Output is always in little-endian (80x86/VAX) order. - * - * Derived from: libSoX skeleton handler file. - * - * Add: Loop point verbose info. It's a start, anyway. - */ - -/* - * June 30, 1992 - * Copyright 1992 Leigh Smith And Sundry Contributors - * This source code is freely redistributable and may be used for - * any purpose. This copyright notice must be maintained. - * Leigh Smith And Sundry Contributors are not responsible for - * the consequences of using this software. - */ - -#include "sox_i.h" -#include -#include - -#define NAMELEN 30 /* Size of Samplevision name */ -#define COMMENTLEN 60 /* Size of Samplevision comment, not shared */ -#define MIDI_UNITY 60 /* MIDI note number to play sample at unity */ -#define MARKERLEN (size_t)10 /* Size of Marker name */ - -/* The header preceeding the sample data */ -struct smpheader { - char Id[18]; /* File identifier */ - char version[4]; /* File version */ - char comments[COMMENTLEN]; /* User comments */ - char name[NAMELEN + 1]; /* Sample Name, left justified */ -}; -#define HEADERSIZE (sizeof(struct smpheader) - 1) /* -1 for name's \0 */ - -/* Samplevision loop definition structure */ -struct loop { - uint32_t start; /* Sample count into sample data, not byte count */ - uint32_t end; /* end point */ - unsigned char type; /* 0 = loop off, 1 = forward, 2 = forw/back */ - unsigned short count; /* No of times to loop */ -}; - -/* Samplevision marker definition structure */ -struct marker { - char name[MARKERLEN + 1]; /* Ascii Marker name */ - uint32_t position; /* Sample Number, not byte number */ -}; - -/* The trailer following the sample data */ -struct smptrailer { - struct loop loops[8]; /* loops */ - struct marker markers[8]; /* markers */ - int8_t MIDInote; /* for unity pitch playback */ - uint32_t rate; /* in hertz */ - uint32_t SMPTEoffset; /* in subframes - huh? */ - uint32_t CycleSize; /* sample count in one cycle of the */ - /* sampled sound -1 if unknown */ -}; - -/* Private data for SMP file */ -typedef struct { - uint64_t NoOfSamps; /* Sample data count in words */ - uint64_t dataStart; - /* comment memory resides in private data because it's small */ - char comment[COMMENTLEN + NAMELEN + 3]; -} priv_t; - -static char const *SVmagic = "SOUND SAMPLE DATA ", *SVvers = "2.1 "; - -/* - * Read the SampleVision trailer structure. - * Returns 1 if everything was read ok, 0 if there was an error. - */ -static int readtrailer(sox_format_t * ft, struct smptrailer *trailer) -{ - int i; - uint16_t trash16; - - lsx_readw(ft, &trash16); /* read reserved word */ - for(i = 0; i < 8; i++) { /* read the 8 loops */ - lsx_readdw(ft, &(trailer->loops[i].start)); - ft->oob.loops[i].start = trailer->loops[i].start; - lsx_readdw(ft, &(trailer->loops[i].end)); - ft->oob.loops[i].length = - trailer->loops[i].end - trailer->loops[i].start; - lsx_readb(ft, &(trailer->loops[i].type)); - ft->oob.loops[i].type = trailer->loops[i].type; - lsx_readw(ft, &(trailer->loops[i].count)); - ft->oob.loops[i].count = trailer->loops[i].count; - } - for(i = 0; i < 8; i++) { /* read the 8 markers */ - if (lsx_readbuf(ft, trailer->markers[i].name, MARKERLEN) != MARKERLEN) - { - lsx_fail_errno(ft,SOX_EHDR,"EOF in SMP"); - return(SOX_EOF); - } - trailer->markers[i].name[MARKERLEN] = 0; - lsx_readdw(ft, &(trailer->markers[i].position)); - } - lsx_readsb(ft, &(trailer->MIDInote)); - lsx_readdw(ft, &(trailer->rate)); - lsx_readdw(ft, &(trailer->SMPTEoffset)); - lsx_readdw(ft, &(trailer->CycleSize)); - return(SOX_SUCCESS); -} - -/* - * set the trailer data - loops and markers, to reasonably benign values - */ -static void settrailer(sox_format_t * ft, struct smptrailer *trailer, sox_rate_t rate) -{ - int i; - - for(i = 0; i < 8; i++) { /* copy the 8 loops */ - if (ft->oob.loops[i].type != 0) { - trailer->loops[i].start = ft->oob.loops[i].start > UINT_MAX - ? UINT_MAX - : ft->oob.loops[i].start; - /* to mark it as not set */ - trailer->loops[i].end = ft->oob.loops[i].start + ft->oob.loops[i].length > UINT_MAX - ? UINT_MAX - : ft->oob.loops[i].start + ft->oob.loops[i].length; - trailer->loops[i].type = ft->oob.loops[i].type; - trailer->loops[i].count = ft->oob.loops[i].count; - } else { - /* set first loop start as FFFFFFFF */ - trailer->loops[i].start = ~0u; - /* to mark it as not set */ - trailer->loops[i].end = 0; - trailer->loops[i].type = 0; - trailer->loops[i].count = 0; - } - } - for(i = 0; i < 8; i++) { /* write the 8 markers */ - strcpy(trailer->markers[i].name, " "); - trailer->markers[i].position = ~0u; - } - trailer->MIDInote = MIDI_UNITY; /* Unity play back */ - trailer->rate = rate; - trailer->SMPTEoffset = 0; - trailer->CycleSize = ~0u; -} - -/* - * Write the SampleVision trailer structure. - * Returns 1 if everything was written ok, 0 if there was an error. - */ -static int writetrailer(sox_format_t * ft, struct smptrailer *trailer) -{ - int i; - - lsx_writew(ft, 0); /* write the reserved word */ - for(i = 0; i < 8; i++) { /* write the 8 loops */ - lsx_writedw(ft, trailer->loops[i].start); - lsx_writedw(ft, trailer->loops[i].end); - lsx_writeb(ft, trailer->loops[i].type); - lsx_writew(ft, trailer->loops[i].count); - } - for(i = 0; i < 8; i++) { /* write the 8 markers */ - if (lsx_writes(ft, trailer->markers[i].name) == SOX_EOF) - { - lsx_fail_errno(ft,SOX_EHDR,"EOF in SMP"); - return(SOX_EOF); - } - lsx_writedw(ft, trailer->markers[i].position); - } - lsx_writeb(ft, (uint8_t)(trailer->MIDInote)); - lsx_writedw(ft, trailer->rate); - lsx_writedw(ft, trailer->SMPTEoffset); - lsx_writedw(ft, trailer->CycleSize); - return(SOX_SUCCESS); -} - -static int sox_smpseek(sox_format_t * ft, uint64_t offset) -{ - uint64_t new_offset; - size_t channel_block, alignment; - priv_t * smp = (priv_t *) ft->priv; - - new_offset = offset * (ft->encoding.bits_per_sample >> 3); - /* Make sure request aligns to a channel block (ie left+right) */ - channel_block = ft->signal.channels * (ft->encoding.bits_per_sample >> 3); - alignment = new_offset % channel_block; - /* Most common mistaken is to compute something like - * "skip everthing upto and including this sample" so - * advance to next sample block in this case. - */ - if (alignment != 0) - new_offset += (channel_block - alignment); - new_offset += smp->dataStart; - - ft->sox_errno = lsx_seeki(ft, (off_t)new_offset, SEEK_SET); - - if( ft->sox_errno == SOX_SUCCESS ) - smp->NoOfSamps = ft->signal.length - (new_offset / (ft->encoding.bits_per_sample >> 3)); - - return(ft->sox_errno); -} -/* - * Do anything required before you start reading samples. - * Read file header. - * Find out sampling rate, - * size and encoding of samples, - * mono/stereo/quad. - */ -static int sox_smpstartread(sox_format_t * ft) -{ - priv_t * smp = (priv_t *) ft->priv; - int namelen, commentlen; - off_t samplestart; - size_t i; - unsigned dw; - struct smpheader header; - struct smptrailer trailer; - - /* If you need to seek around the input file. */ - if (! ft->seekable) - { - lsx_fail_errno(ft,SOX_EOF,"SMP input file must be a file, not a pipe"); - return(SOX_EOF); - } - - /* Read SampleVision header */ - if (lsx_readbuf(ft, &header, HEADERSIZE) != HEADERSIZE) - { - lsx_fail_errno(ft,SOX_EHDR,"unexpected EOF in SMP header"); - return(SOX_EOF); - } - if (strncmp(header.Id, SVmagic, (size_t)17) != 0) - { - lsx_fail_errno(ft,SOX_EHDR,"SMP header does not begin with magic word %s", SVmagic); - return(SOX_EOF); - } - if (strncmp(header.version, SVvers, (size_t)4) != 0) - { - lsx_fail_errno(ft,SOX_EHDR,"SMP header is not version %s", SVvers); - return(SOX_EOF); - } - - /* Format the sample name and comments to a single comment */ - /* string. We decrement the counters till we encounter non */ - /* padding space chars, so the *lengths* are low by one */ - for (namelen = NAMELEN-1; - namelen >= 0 && header.name[namelen] == ' '; namelen--) - ; - for (commentlen = COMMENTLEN-1; - commentlen >= 0 && header.comments[commentlen] == ' '; commentlen--) - ; - sprintf(smp->comment, "%.*s: %.*s", namelen+1, header.name, - commentlen+1, header.comments); - sox_append_comments(&ft->oob.comments, smp->comment); - - /* Extract out the sample size (always intel format) */ - lsx_readdw(ft, &dw); - smp->NoOfSamps = dw; - /* mark the start of the sample data */ - samplestart = lsx_tell(ft); - - /* seek from the current position (the start of sample data) by */ - /* NoOfSamps * sizeof(int16_t) */ - if (lsx_seeki(ft, (off_t)(smp->NoOfSamps * 2), 1) == -1) - { - lsx_fail_errno(ft,errno,"SMP unable to seek to trailer"); - return(SOX_EOF); - } - if (readtrailer(ft, &trailer)) - { - lsx_fail_errno(ft,SOX_EHDR,"unexpected EOF in SMP trailer"); - return(SOX_EOF); - } - - /* seek back to the beginning of the data */ - if (lsx_seeki(ft, (off_t)samplestart, 0) == -1) - { - lsx_fail_errno(ft,errno,"SMP unable to seek back to start of sample data"); - return(SOX_EOF); - } - - ft->signal.rate = (int) trailer.rate; - ft->encoding.bits_per_sample = 16; - ft->encoding.encoding = SOX_ENCODING_SIGN2; - ft->signal.channels = 1; - smp->dataStart = samplestart; - ft->signal.length = smp->NoOfSamps; - - lsx_report("SampleVision trailer:"); - for(i = 0; i < 8; i++) if (1 || trailer.loops[i].count) { - lsx_report("Loop %lu: start: %6d", (unsigned long)i, trailer.loops[i].start); - lsx_report(" end: %6d", trailer.loops[i].end); - lsx_report(" count: %6d", trailer.loops[i].count); - switch(trailer.loops[i].type) { - case 0: lsx_report("type: off"); break; - case 1: lsx_report("type: forward"); break; - case 2: lsx_report("type: forward/backward"); break; - } - } - lsx_report("MIDI Note number: %d", trailer.MIDInote); - - ft->oob.instr.nloops = 0; - for(i = 0; i < 8; i++) - if (trailer.loops[i].type) - ft->oob.instr.nloops++; - for(i = 0; i < ft->oob.instr.nloops; i++) { - ft->oob.loops[i].type = trailer.loops[i].type; - ft->oob.loops[i].count = trailer.loops[i].count; - ft->oob.loops[i].start = trailer.loops[i].start; - ft->oob.loops[i].length = trailer.loops[i].end - - trailer.loops[i].start; - } - ft->oob.instr.MIDIlow = ft->oob.instr.MIDIhi = - ft->oob.instr.MIDInote = trailer.MIDInote; - if (ft->oob.instr.nloops > 0) - ft->oob.instr.loopmode = SOX_LOOP_8; - else - ft->oob.instr.loopmode = SOX_LOOP_NONE; - - return(SOX_SUCCESS); -} - -/* - * Read up to len samples from file. - * Convert to signed longs. - * Place in buf[]. - * Return number of samples read. - */ -static size_t sox_smpread(sox_format_t * ft, sox_sample_t *buf, size_t len) -{ - priv_t * smp = (priv_t *) ft->priv; - unsigned short datum; - size_t done = 0; - - for(; done < len && smp->NoOfSamps; done++, smp->NoOfSamps--) { - lsx_readw(ft, &datum); - /* scale signed up to long's range */ - *buf++ = SOX_SIGNED_16BIT_TO_SAMPLE(datum,); - } - return done; -} - -static int sox_smpstartwrite(sox_format_t * ft) -{ - priv_t * smp = (priv_t *) ft->priv; - struct smpheader header; - char * comment = lsx_cat_comments(ft->oob.comments); - - /* If you have to seek around the output file */ - if (! ft->seekable) - { - lsx_fail_errno(ft,SOX_EOF,"Output .smp file must be a file, not a pipe"); - return(SOX_EOF); - } - - memcpy(header.Id, SVmagic, sizeof(header.Id)); - memcpy(header.version, SVvers, sizeof(header.version)); - sprintf(header.comments, "%-*s", COMMENTLEN - 1, "Converted using Sox."); - sprintf(header.name, "%-*.*s", NAMELEN, NAMELEN, comment); - free(comment); - - /* Write file header */ - if(lsx_writebuf(ft, &header, HEADERSIZE) != HEADERSIZE) - { - lsx_fail_errno(ft,errno,"SMP: Can't write header completely"); - return(SOX_EOF); - } - lsx_writedw(ft, 0); /* write as zero length for now, update later */ - smp->NoOfSamps = 0; - - return(SOX_SUCCESS); -} - -static size_t sox_smpwrite(sox_format_t * ft, const sox_sample_t *buf, size_t len) -{ - priv_t * smp = (priv_t *) ft->priv; - int datum; - size_t done = 0; - - while(done < len) { - SOX_SAMPLE_LOCALS; - datum = (int) SOX_SAMPLE_TO_SIGNED_16BIT(*buf++, ft->clips); - lsx_writew(ft, (uint16_t)datum); - smp->NoOfSamps++; - done++; - } - - return(done); -} - -static int sox_smpstopwrite(sox_format_t * ft) -{ - priv_t * smp = (priv_t *) ft->priv; - struct smptrailer trailer; - - /* Assign the trailer data */ - settrailer(ft, &trailer, ft->signal.rate); - writetrailer(ft, &trailer); - if (lsx_seeki(ft, (off_t)112, 0) == -1) - { - lsx_fail_errno(ft,errno,"SMP unable to seek back to save size"); - return(SOX_EOF); - } - lsx_writedw(ft, smp->NoOfSamps > UINT_MAX ? UINT_MAX : (unsigned)smp->NoOfSamps); - - return(SOX_SUCCESS); -} - -LSX_FORMAT_HANDLER(smp) -{ - static char const * const names[] = {"smp", NULL}; - static unsigned const write_encodings[] = {SOX_ENCODING_SIGN2, 16, 0, 0}; - static sox_format_handler_t handler = {SOX_LIB_VERSION_CODE, - "Turtle Beach SampleVision", names, SOX_FILE_LIT_END | SOX_FILE_MONO, - sox_smpstartread, sox_smpread, NULL, - sox_smpstartwrite, sox_smpwrite, sox_smpstopwrite, - sox_smpseek, write_encodings, NULL, sizeof(priv_t) - }; - return &handler; -}