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@ -1,11 +1,11 @@ |
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/*****************************************************************************
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* include.x264.h: include.x264 public header |
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* x264.h: x264 public header |
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***************************************************************************** |
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* Copyright (C) 2003-2016 include.x264 project |
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* Copyright (C) 2003-2019 x264 project |
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* |
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* Authors: Laurent Aimar <fenrir@via.ecp.fr> |
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* Loren Merritt <lorenm@u.washington.edu> |
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* Fiona Glaser <fiona@include.x264.com> |
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* Fiona Glaser <fiona@x264.com> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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@ -22,7 +22,7 @@ |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA. |
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* |
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* This program is also available under a commercial proprietary license. |
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* For more information, contact us at licensing@include.x264.com. |
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* For more information, contact us at licensing@x264.com. |
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*****************************************************************************/ |
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#ifndef X264_X264_H |
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@ -35,7 +35,7 @@ extern "C" { |
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#if !defined(_STDINT_H) && !defined(_STDINT_H_) && !defined(_STDINT_H_INCLUDED) && !defined(_STDINT) &&\ |
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!defined(_SYS_STDINT_H_) && !defined(_INTTYPES_H) && !defined(_INTTYPES_H_) && !defined(_INTTYPES) |
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# ifdef _MSC_VER |
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# pragma message("You must include stdint.h or inttypes.h before include.x264.h") |
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# pragma message("You must include stdint.h or inttypes.h before x264.h") |
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# else |
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# warning You must include stdint.h or inttypes.h before x264.h |
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# endif |
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@ -46,7 +46,20 @@ extern "C" { |
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#include "x264_config.h" |
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#define X264_BUILD 148 |
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#define X264_BUILD 159 |
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#ifdef _WIN32 |
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# define X264_DLL_IMPORT __declspec(dllimport) |
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# define X264_DLL_EXPORT __declspec(dllexport) |
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#else |
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# if defined(__GNUC__) && (__GNUC__ >= 4) |
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# define X264_DLL_IMPORT |
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# define X264_DLL_EXPORT __attribute__((visibility("default"))) |
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# else |
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# define X264_DLL_IMPORT |
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# define X264_DLL_EXPORT |
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# endif |
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#endif |
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/* Application developers planning to link against a shared library version of
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* libx264 from a Microsoft Visual Studio or similar development environment |
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@ -54,9 +67,13 @@ extern "C" { |
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* This clause does not apply to MinGW, similar development environments, or non |
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* Windows platforms. */ |
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#ifdef X264_API_IMPORTS |
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#define X264_API __declspec(dllimport) |
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# define X264_API X264_DLL_IMPORT |
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#else |
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#define X264_API |
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# ifdef X264_API_EXPORTS |
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# define X264_API X264_DLL_EXPORT |
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# else |
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# define X264_API |
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# endif |
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#endif |
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/* x264_t:
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@ -120,39 +137,38 @@ typedef struct x264_nal_t |
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/* CPU flags */ |
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/* x86 */ |
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#define X264_CPU_CMOV 0x0000001 |
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#define X264_CPU_MMX 0x0000002 |
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#define X264_CPU_MMX2 0x0000004 /* MMX2 aka MMXEXT aka ISSE */ |
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#define X264_CPU_MMX (1<<0) |
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#define X264_CPU_MMX2 (1<<1) /* MMX2 aka MMXEXT aka ISSE */ |
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#define X264_CPU_MMXEXT X264_CPU_MMX2 |
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#define X264_CPU_SSE 0x0000008 |
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#define X264_CPU_SSE2 0x0000010 |
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#define X264_CPU_SSE3 0x0000020 |
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#define X264_CPU_SSSE3 0x0000040 |
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#define X264_CPU_SSE4 0x0000080 /* SSE4.1 */ |
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#define X264_CPU_SSE42 0x0000100 /* SSE4.2 */ |
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#define X264_CPU_LZCNT 0x0000200 /* Phenom support for "leading zero count" instruction. */ |
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#define X264_CPU_AVX 0x0000400 /* AVX support: requires OS support even if YMM registers aren't used. */ |
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#define X264_CPU_XOP 0x0000800 /* AMD XOP */ |
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#define X264_CPU_FMA4 0x0001000 /* AMD FMA4 */ |
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#define X264_CPU_FMA3 0x0002000 /* FMA3 */ |
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#define X264_CPU_AVX2 0x0004000 /* AVX2 */ |
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#define X264_CPU_BMI1 0x0008000 /* BMI1 */ |
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#define X264_CPU_BMI2 0x0010000 /* BMI2 */ |
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#define X264_CPU_SSE (1<<2) |
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#define X264_CPU_SSE2 (1<<3) |
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#define X264_CPU_LZCNT (1<<4) |
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#define X264_CPU_SSE3 (1<<5) |
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#define X264_CPU_SSSE3 (1<<6) |
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#define X264_CPU_SSE4 (1<<7) /* SSE4.1 */ |
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#define X264_CPU_SSE42 (1<<8) /* SSE4.2 */ |
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#define X264_CPU_AVX (1<<9) /* Requires OS support even if YMM registers aren't used */ |
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#define X264_CPU_XOP (1<<10) /* AMD XOP */ |
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#define X264_CPU_FMA4 (1<<11) /* AMD FMA4 */ |
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#define X264_CPU_FMA3 (1<<12) |
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#define X264_CPU_BMI1 (1<<13) |
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#define X264_CPU_BMI2 (1<<14) |
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#define X264_CPU_AVX2 (1<<15) |
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#define X264_CPU_AVX512 (1<<16) /* AVX-512 {F, CD, BW, DQ, VL}, requires OS support */ |
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/* x86 modifiers */ |
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#define X264_CPU_CACHELINE_32 0x0020000 /* avoid memory loads that span the border between two cachelines */ |
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#define X264_CPU_CACHELINE_64 0x0040000 /* 32/64 is the size of a cacheline in bytes */ |
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#define X264_CPU_SSE2_IS_SLOW 0x0080000 /* avoid most SSE2 functions on Athlon64 */ |
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#define X264_CPU_SSE2_IS_FAST 0x0100000 /* a few functions are only faster on Core2 and Phenom */ |
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#define X264_CPU_SLOW_SHUFFLE 0x0200000 /* The Conroe has a slow shuffle unit (relative to overall SSE performance) */ |
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#define X264_CPU_STACK_MOD4 0x0400000 /* if stack is only mod4 and not mod16 */ |
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#define X264_CPU_SLOW_CTZ 0x0800000 /* BSR/BSF x86 instructions are really slow on some CPUs */ |
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#define X264_CPU_SLOW_ATOM 0x1000000 /* The Atom is terrible: slow SSE unaligned loads, slow |
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#define X264_CPU_CACHELINE_32 (1<<17) /* avoid memory loads that span the border between two cachelines */ |
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#define X264_CPU_CACHELINE_64 (1<<18) /* 32/64 is the size of a cacheline in bytes */ |
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#define X264_CPU_SSE2_IS_SLOW (1<<19) /* avoid most SSE2 functions on Athlon64 */ |
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#define X264_CPU_SSE2_IS_FAST (1<<20) /* a few functions are only faster on Core2 and Phenom */ |
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#define X264_CPU_SLOW_SHUFFLE (1<<21) /* The Conroe has a slow shuffle unit (relative to overall SSE performance) */ |
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#define X264_CPU_STACK_MOD4 (1<<22) /* if stack is only mod4 and not mod16 */ |
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#define X264_CPU_SLOW_ATOM (1<<23) /* The Atom is terrible: slow SSE unaligned loads, slow |
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* SIMD multiplies, slow SIMD variable shifts, slow pshufb, |
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* cacheline split penalties -- gather everything here that |
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* isn't shared by other CPUs to avoid making half a dozen |
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* new SLOW flags. */ |
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#define X264_CPU_SLOW_PSHUFB 0x2000000 /* such as on the Intel Atom */ |
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#define X264_CPU_SLOW_PALIGNR 0x4000000 /* such as on the AMD Bobcat */ |
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#define X264_CPU_SLOW_PSHUFB (1<<24) /* such as on the Intel Atom */ |
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#define X264_CPU_SLOW_PALIGNR (1<<25) /* such as on the AMD Bobcat */ |
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/* PowerPC */ |
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#define X264_CPU_ALTIVEC 0x0000001 |
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@ -172,6 +188,7 @@ typedef struct x264_nal_t |
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#define X264_ANALYSE_PSUB16x16 0x0010 /* Analyse p16x8, p8x16 and p8x8 */ |
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#define X264_ANALYSE_PSUB8x8 0x0020 /* Analyse p8x4, p4x8, p4x4 */ |
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#define X264_ANALYSE_BSUB16x16 0x0100 /* Analyse b16x8, b8x16 and b8x8 */ |
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#define X264_DIRECT_PRED_NONE 0 |
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#define X264_DIRECT_PRED_SPATIAL 1 |
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#define X264_DIRECT_PRED_TEMPORAL 2 |
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@ -204,6 +221,10 @@ typedef struct x264_nal_t |
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#define X264_KEYINT_MIN_AUTO 0 |
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#define X264_KEYINT_MAX_INFINITE (1<<30) |
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/* AVC-Intra flavors */ |
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#define X264_AVCINTRA_FLAVOR_PANASONIC 0 |
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#define X264_AVCINTRA_FLAVOR_SONY 1 |
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static const char * const x264_direct_pred_names[] = { "none", "spatial", "temporal", "auto", 0 }; |
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static const char * const x264_motion_est_names[] = { "dia", "hex", "umh", "esa", "tesa", 0 }; |
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static const char * const x264_b_pyramid_names[] = { "none", "strict", "normal", 0 }; |
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@ -213,33 +234,37 @@ static const char * const x264_fullrange_names[] = { "off", "on", 0 }; |
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static const char * const x264_colorprim_names[] = { "", "bt709", "undef", "", "bt470m", "bt470bg", "smpte170m", "smpte240m", "film", "bt2020", "smpte428", |
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"smpte431", "smpte432", 0 }; |
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static const char * const x264_transfer_names[] = { "", "bt709", "undef", "", "bt470m", "bt470bg", "smpte170m", "smpte240m", "linear", "log100", "log316", |
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"iec61966-2-4", "bt1361e", "iec61966-2-1", "bt2020-10", "bt2020-12", "smpte2084", "smpte428", 0 }; |
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"iec61966-2-4", "bt1361e", "iec61966-2-1", "bt2020-10", "bt2020-12", "smpte2084", "smpte428", "arib-std-b67", 0 }; |
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static const char * const x264_colmatrix_names[] = { "GBR", "bt709", "undef", "", "fcc", "bt470bg", "smpte170m", "smpte240m", "YCgCo", "bt2020nc", "bt2020c", |
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"smpte2085", 0 }; |
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"smpte2085", "chroma-derived-nc", "chroma-derived-c", "ICtCp", 0 }; |
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static const char * const x264_nal_hrd_names[] = { "none", "vbr", "cbr", 0 }; |
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static const char * const x264_avcintra_flavor_names[] = { "panasonic", "sony", 0 }; |
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/* Colorspace type */ |
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#define X264_CSP_MASK 0x00ff /* */ |
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#define X264_CSP_NONE 0x0000 /* Invalid mode */ |
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#define X264_CSP_I420 0x0001 /* yuv 4:2:0 planar */ |
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#define X264_CSP_YV12 0x0002 /* yvu 4:2:0 planar */ |
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#define X264_CSP_NV12 0x0003 /* yuv 4:2:0, with one y plane and one packed u+v */ |
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#define X264_CSP_NV21 0x0004 /* yuv 4:2:0, with one y plane and one packed v+u */ |
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#define X264_CSP_I422 0x0005 /* yuv 4:2:2 planar */ |
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#define X264_CSP_YV16 0x0006 /* yvu 4:2:2 planar */ |
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#define X264_CSP_NV16 0x0007 /* yuv 4:2:2, with one y plane and one packed u+v */ |
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#define X264_CSP_V210 0x0008 /* 10-bit yuv 4:2:2 packed in 32 */ |
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#define X264_CSP_I444 0x0009 /* yuv 4:4:4 planar */ |
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#define X264_CSP_YV24 0x000a /* yvu 4:4:4 planar */ |
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#define X264_CSP_BGR 0x000b /* packed bgr 24bits */ |
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#define X264_CSP_BGRA 0x000c /* packed bgr 32bits */ |
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#define X264_CSP_RGB 0x000d /* packed rgb 24bits */ |
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#define X264_CSP_MAX 0x000e /* end of list */ |
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#define X264_CSP_I400 0x0001 /* monochrome 4:0:0 */ |
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#define X264_CSP_I420 0x0002 /* yuv 4:2:0 planar */ |
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#define X264_CSP_YV12 0x0003 /* yvu 4:2:0 planar */ |
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#define X264_CSP_NV12 0x0004 /* yuv 4:2:0, with one y plane and one packed u+v */ |
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#define X264_CSP_NV21 0x0005 /* yuv 4:2:0, with one y plane and one packed v+u */ |
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#define X264_CSP_I422 0x0006 /* yuv 4:2:2 planar */ |
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#define X264_CSP_YV16 0x0007 /* yvu 4:2:2 planar */ |
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#define X264_CSP_NV16 0x0008 /* yuv 4:2:2, with one y plane and one packed u+v */ |
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#define X264_CSP_YUYV 0x0009 /* yuyv 4:2:2 packed */ |
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#define X264_CSP_UYVY 0x000a /* uyvy 4:2:2 packed */ |
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#define X264_CSP_V210 0x000b /* 10-bit yuv 4:2:2 packed in 32 */ |
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#define X264_CSP_I444 0x000c /* yuv 4:4:4 planar */ |
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#define X264_CSP_YV24 0x000d /* yvu 4:4:4 planar */ |
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#define X264_CSP_BGR 0x000e /* packed bgr 24bits */ |
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#define X264_CSP_BGRA 0x000f /* packed bgr 32bits */ |
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#define X264_CSP_RGB 0x0010 /* packed rgb 24bits */ |
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#define X264_CSP_MAX 0x0011 /* end of list */ |
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#define X264_CSP_VFLIP 0x1000 /* the csp is vertically flipped */ |
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#define X264_CSP_HIGH_DEPTH 0x2000 /* the csp has a depth of 16 bits per pixel component */ |
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/* Slice type */ |
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#define X264_TYPE_AUTO 0x0000 /* Let include.x264 choose the right type */ |
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#define X264_TYPE_AUTO 0x0000 /* Let x264 choose the right type */ |
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#define X264_TYPE_IDR 0x0001 |
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#define X264_TYPE_I 0x0002 |
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#define X264_TYPE_P 0x0003 |
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@ -292,6 +317,7 @@ typedef struct x264_param_t |
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int i_width; |
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int i_height; |
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int i_csp; /* CSP of encoded bitstream */ |
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int i_bitdepth; |
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int i_level_idc; |
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int i_frame_total; /* number of frames to encode if known, else 0 */ |
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@ -336,6 +362,7 @@ typedef struct x264_param_t |
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int b_open_gop; |
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int b_bluray_compat; |
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int i_avcintra_class; |
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int i_avcintra_flavor; |
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int b_deblocking_filter; |
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int i_deblocking_filter_alphac0; /* [-6, 6] -6 light filter, 6 strong */ |
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@ -407,7 +434,7 @@ typedef struct x264_param_t |
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{ |
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int i_rc_method; /* X264_RC_* */ |
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int i_qp_constant; /* 0 to (51 + 6*(x264_bit_depth-8)). 0=lossless */ |
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int i_qp_constant; /* 0=lossless */ |
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int i_qp_min; /* min allowed QP value */ |
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int i_qp_max; /* max allowed QP value */ |
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int i_qp_step; /* max QP step between frames */ |
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@ -459,6 +486,9 @@ typedef struct x264_param_t |
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/* frame packing arrangement flag */ |
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int i_frame_packing; |
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/* alternative transfer SEI */ |
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int i_alternative_transfer; |
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/* Muxing parameters */ |
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int b_aud; /* generate access unit delimiters */ |
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int b_repeat_headers; /* put SPS/PPS before each keyframe */ |
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@ -553,10 +583,10 @@ typedef struct x264_param_t |
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* NAL unit. This helps distinguish between nalu_process calls from different sources, |
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* e.g. if doing multiple encodes in one process. |
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*/ |
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void (*nalu_process) ( x264_t *h, x264_nal_t *nal, void *opaque ); |
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void (*nalu_process)( x264_t *h, x264_nal_t *nal, void *opaque ); |
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} x264_param_t; |
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void x264_nal_encode( x264_t *h, uint8_t *dst, x264_nal_t *nal ); |
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X264_API void x264_nal_encode( x264_t *h, uint8_t *dst, x264_nal_t *nal ); |
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/****************************************************************************
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* H.264 level restriction information |
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@ -564,19 +594,19 @@ void x264_nal_encode( x264_t *h, uint8_t *dst, x264_nal_t *nal ); |
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typedef struct x264_level_t |
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{ |
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int level_idc; |
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int mbps; /* max macroblock processing rate (macroblocks/sec) */ |
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int frame_size; /* max frame size (macroblocks) */ |
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int dpb; /* max decoded picture buffer (mbs) */ |
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int bitrate; /* max bitrate (kbit/sec) */ |
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int cpb; /* max vbv buffer (kbit) */ |
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int mv_range; /* max vertical mv component range (pixels) */ |
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int mvs_per_2mb; /* max mvs per 2 consecutive mbs. */ |
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int slice_rate; /* ?? */ |
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int mincr; /* min compression ratio */ |
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int bipred8x8; /* limit bipred to >=8x8 */ |
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int direct8x8; /* limit b_direct to >=8x8 */ |
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int frame_only; /* forbid interlacing */ |
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uint8_t level_idc; |
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uint32_t mbps; /* max macroblock processing rate (macroblocks/sec) */ |
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uint32_t frame_size; /* max frame size (macroblocks) */ |
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uint32_t dpb; /* max decoded picture buffer (mbs) */ |
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uint32_t bitrate; /* max bitrate (kbit/sec) */ |
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uint32_t cpb; /* max vbv buffer (kbit) */ |
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uint16_t mv_range; /* max vertical mv component range (pixels) */ |
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uint8_t mvs_per_2mb; /* max mvs per 2 consecutive mbs. */ |
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uint8_t slice_rate; /* ?? */ |
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uint8_t mincr; /* min compression ratio */ |
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uint8_t bipred8x8; /* limit bipred to >=8x8 */ |
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uint8_t direct8x8; /* limit b_direct to >=8x8 */ |
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uint8_t frame_only; /* forbid interlacing */ |
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} x264_level_t; |
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/* all of the levels defined in the standard, terminated by .level_idc=0 */ |
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@ -588,7 +618,7 @@ X264_API extern const x264_level_t x264_levels[]; |
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/* x264_param_default:
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* fill x264_param_t with default values and do CPU detection */ |
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void x264_param_default( x264_param_t * ); |
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X264_API void x264_param_default( x264_param_t * ); |
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/* x264_param_parse:
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* set one parameter by name. |
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@ -599,13 +629,13 @@ void x264_param_default( x264_param_t * ); |
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* value=NULL means "true" for boolean options, but is a BAD_VALUE for non-booleans. */ |
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#define X264_PARAM_BAD_NAME (-1) |
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#define X264_PARAM_BAD_VALUE (-2) |
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int x264_param_parse( x264_param_t *, const char *name, const char *value ); |
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X264_API int x264_param_parse( x264_param_t *, const char *name, const char *value ); |
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/****************************************************************************
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* Advanced parameter handling functions |
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****************************************************************************/ |
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/* These functions expose the full power of include.x264's preset-tune-profile system for
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/* These functions expose the full power of x264's preset-tune-profile system for
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* easy adjustment of large numbers of internal parameters. |
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* |
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* In order to replicate x264CLI's option handling, these functions MUST be called |
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@ -643,13 +673,13 @@ static const char * const x264_tune_names[] = { "film", "animation", "grain", "s |
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* film, animation, grain, stillimage, psnr, and ssim are psy tunings. |
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* |
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* returns 0 on success, negative on failure (e.g. invalid preset/tune name). */ |
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int x264_param_default_preset( x264_param_t *, const char *preset, const char *tune ); |
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X264_API int x264_param_default_preset( x264_param_t *, const char *preset, const char *tune ); |
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/* x264_param_apply_fastfirstpass:
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* If first-pass mode is set (rc.b_stat_read == 0, rc.b_stat_write == 1), |
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* modify the encoder settings to disable options generally not useful on |
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* the first pass. */ |
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void x264_param_apply_fastfirstpass( x264_param_t * ); |
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X264_API void x264_param_apply_fastfirstpass( x264_param_t * ); |
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/* x264_param_apply_profile:
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* Applies the restrictions of the given profile. |
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@ -664,25 +694,16 @@ static const char * const x264_profile_names[] = { "baseline", "main", "high", " |
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* decrease them. |
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* |
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* returns 0 on success, negative on failure (e.g. invalid profile name). */ |
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int x264_param_apply_profile( x264_param_t *, const char *profile ); |
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X264_API int x264_param_apply_profile( x264_param_t *, const char *profile ); |
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/****************************************************************************
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* Picture structures and functions |
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****************************************************************************/ |
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/* x264_bit_depth:
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* Specifies the number of bits per pixel that include.x264 uses. This is also the |
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* bit depth that include.x264 encodes in. If this value is > 8, include.x264 will read |
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* two bytes of input data for each pixel sample, and expect the upper |
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* (16-x264_bit_depth) bits to be zero. |
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* Note: The flag X264_CSP_HIGH_DEPTH must be used to specify the |
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* colorspace depth as well. */ |
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X264_API extern const int x264_bit_depth; |
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/* x264_chroma_format:
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* Specifies the chroma formats that include.x264 supports encoding. When this |
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* Specifies the chroma formats that x264 supports encoding. When this |
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* value is non-zero, then it represents a X264_CSP_* that is the only |
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* chroma format that include.x264 supports encoding. If the value is 0 then |
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* chroma format that x264 supports encoding. If the value is 0 then |
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* there are no restrictions. */ |
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X264_API extern const int x264_chroma_format; |
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@ -690,7 +711,7 @@ enum pic_struct_e |
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{ |
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PIC_STRUCT_AUTO = 0, // automatically decide (default)
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PIC_STRUCT_PROGRESSIVE = 1, // progressive frame
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// "TOP" and "BOTTOM" are not supported in include.x264 (PAFF only)
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// "TOP" and "BOTTOM" are not supported in x264 (PAFF only)
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PIC_STRUCT_TOP_BOTTOM = 4, // top field followed by bottom
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PIC_STRUCT_BOTTOM_TOP = 5, // bottom field followed by top
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PIC_STRUCT_TOP_BOTTOM_TOP = 6, // top field, bottom field, top field repeated
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@ -750,7 +771,7 @@ typedef struct x264_image_properties_t |
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* the nearest 16. If in interlaced mode, height is rounded up to the nearest 32 instead. */ |
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/* In: an array of quantizer offsets to be applied to this image during encoding.
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* These are added on top of the decisions made by include.x264. |
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* These are added on top of the decisions made by x264. |
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* Offsets can be fractional; they are added before QPs are rounded to integer. |
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* Adaptive quantization must be enabled to use this feature. Behavior if quant |
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* offsets differ between encoding passes is undefined. */ |
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@ -762,10 +783,10 @@ typedef struct x264_image_properties_t |
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/* In: optional array of flags for each macroblock.
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* Allows specifying additional information for the encoder such as which macroblocks |
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* remain unchanged. Usable flags are listed below. |
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* x264_param_t.analyse.b_mb_info must be set to use this, since include.x264 needs to track |
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* x264_param_t.analyse.b_mb_info must be set to use this, since x264 needs to track |
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* extra data internally to make full use of this information. |
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* |
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* Out: if b_mb_info_update is set, include.x264 will update this array as a result of encoding. |
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* Out: if b_mb_info_update is set, x264 will update this array as a result of encoding. |
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* |
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* For "MBINFO_CONSTANT", it will remove this flag on any macroblock whose decoded |
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* pixels have changed. This can be useful for e.g. noting which areas of the |
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@ -799,8 +820,8 @@ typedef struct x264_image_properties_t |
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typedef struct x264_picture_t |
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{ |
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/* In: force picture type (if not auto)
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* If include.x264 encoding parameters are violated in the forcing of picture types, |
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* include.x264 will correct the input picture type and log a warning. |
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* If x264 encoding parameters are violated in the forcing of picture types, |
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* x264 will correct the input picture type and log a warning. |
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* Out: type of the picture encoded */ |
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int i_type; |
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/* In: force quantizer for != X264_QP_AUTO */ |
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@ -825,7 +846,7 @@ typedef struct x264_picture_t |
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if it needs the changed parameter to apply immediately. */ |
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x264_param_t *param; |
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/* In: raw image data */ |
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/* Out: reconstructed image data. include.x264 may skip part of the reconstruction process,
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/* Out: reconstructed image data. x264 may skip part of the reconstruction process,
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e.g. deblocking, in frames where it isn't necessary. To force complete |
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reconstruction, at a small speed cost, set b_full_recon. */ |
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x264_image_t img; |
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@ -843,17 +864,17 @@ typedef struct x264_picture_t |
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/* x264_picture_init:
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* initialize an x264_picture_t. Needs to be done if the calling application |
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* allocates its own x264_picture_t as opposed to using x264_picture_alloc. */ |
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void x264_picture_init( x264_picture_t *pic ); |
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X264_API void x264_picture_init( x264_picture_t *pic ); |
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/* x264_picture_alloc:
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* alloc data for a picture. You must call x264_picture_clean on it. |
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* returns 0 on success, or -1 on malloc failure or invalid colorspace. */ |
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int x264_picture_alloc( x264_picture_t *pic, int i_csp, int i_width, int i_height ); |
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X264_API int x264_picture_alloc( x264_picture_t *pic, int i_csp, int i_width, int i_height ); |
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/* x264_picture_clean:
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* free associated resource for a x264_picture_t allocated with |
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* x264_picture_alloc ONLY */ |
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void x264_picture_clean( x264_picture_t *pic ); |
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X264_API void x264_picture_clean( x264_picture_t *pic ); |
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/****************************************************************************
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* Encoder functions |
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@ -868,7 +889,7 @@ void x264_picture_clean( x264_picture_t *pic ); |
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/* x264_encoder_open:
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* create a new encoder handler, all parameters from x264_param_t are copied */ |
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x264_t *x264_encoder_open( x264_param_t * ); |
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X264_API x264_t *x264_encoder_open( x264_param_t * ); |
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/* x264_encoder_reconfig:
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* various parameters from x264_param_t are copied. |
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@ -883,7 +904,7 @@ x264_t *x264_encoder_open( x264_param_t * ); |
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* more so than for other presets, many of the speed shortcuts used in ultrafast cannot be |
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* switched out of; using reconfig to switch between ultrafast and other presets is not |
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* recommended without a more fine-grained breakdown of parameters to take this into account. */ |
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int x264_encoder_reconfig( x264_t *, x264_param_t * ); |
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X264_API int x264_encoder_reconfig( x264_t *, x264_param_t * ); |
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/* x264_encoder_parameters:
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* copies the current internal set of parameters to the pointer provided |
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* by the caller. useful when the calling application needs to know |
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@ -891,32 +912,32 @@ int x264_encoder_reconfig( x264_t *, x264_param_t * ); |
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* of the encoder after multiple x264_encoder_reconfig calls. |
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* note that the data accessible through pointers in the returned param struct |
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* (e.g. filenames) should not be modified by the calling application. */ |
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void x264_encoder_parameters( x264_t *, x264_param_t * ); |
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X264_API void x264_encoder_parameters( x264_t *, x264_param_t * ); |
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/* x264_encoder_headers:
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* return the SPS and PPS that will be used for the whole stream. |
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* *pi_nal is the number of NAL units outputted in pp_nal. |
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* returns the number of bytes in the returned NALs. |
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* returns negative on error. |
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* the payloads of all output NALs are guaranteed to be sequential in memory. */ |
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int x264_encoder_headers( x264_t *, x264_nal_t **pp_nal, int *pi_nal ); |
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X264_API int x264_encoder_headers( x264_t *, x264_nal_t **pp_nal, int *pi_nal ); |
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/* x264_encoder_encode:
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* encode one picture. |
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* *pi_nal is the number of NAL units outputted in pp_nal. |
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* returns the number of bytes in the returned NALs. |
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* returns negative on error and zero if no NAL units returned. |
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* the payloads of all output NALs are guaranteed to be sequential in memory. */ |
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int x264_encoder_encode( x264_t *, x264_nal_t **pp_nal, int *pi_nal, x264_picture_t *pic_in, x264_picture_t *pic_out ); |
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X264_API int x264_encoder_encode( x264_t *, x264_nal_t **pp_nal, int *pi_nal, x264_picture_t *pic_in, x264_picture_t *pic_out ); |
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/* x264_encoder_close:
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* close an encoder handler */ |
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void x264_encoder_close ( x264_t * ); |
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X264_API void x264_encoder_close( x264_t * ); |
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/* x264_encoder_delayed_frames:
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* return the number of currently delayed (buffered) frames |
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* this should be used at the end of the stream, to know when you have all the encoded frames. */ |
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int x264_encoder_delayed_frames( x264_t * ); |
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/* x264_encoder_maximum_delayed_frames( x264_t *h ):
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X264_API int x264_encoder_delayed_frames( x264_t * ); |
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/* x264_encoder_maximum_delayed_frames( x264_t * ):
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* return the maximum number of delayed (buffered) frames that can occur with the current |
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* parameters. */ |
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int x264_encoder_maximum_delayed_frames( x264_t *h ); |
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X264_API int x264_encoder_maximum_delayed_frames( x264_t * ); |
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/* x264_encoder_intra_refresh:
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* If an intra refresh is not in progress, begin one with the next P-frame. |
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* If an intra refresh is in progress, begin one as soon as the current one finishes. |
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@ -930,7 +951,7 @@ int x264_encoder_maximum_delayed_frames( x264_t *h ); |
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* behavior is undefined. |
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* |
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* Should not be called during an x264_encoder_encode. */ |
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void x264_encoder_intra_refresh( x264_t * ); |
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X264_API void x264_encoder_intra_refresh( x264_t * ); |
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/* x264_encoder_invalidate_reference:
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* An interactive error resilience tool, designed for use in a low-latency one-encoder-few-clients |
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* system. When the client has packet loss or otherwise incorrectly decodes a frame, the encoder |
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@ -953,7 +974,7 @@ void x264_encoder_intra_refresh( x264_t * ); |
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* Should not be called during an x264_encoder_encode, but multiple calls can be made simultaneously. |
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* |
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* Returns 0 on success, negative on failure. */ |
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int x264_encoder_invalidate_reference( x264_t *, int64_t pts ); |
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X264_API int x264_encoder_invalidate_reference( x264_t *, int64_t pts ); |
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#ifdef __cplusplus |
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} |
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xufulong
5 years ago