| Index: third_party/ffmpeg/include/libavcodec/avcodec.h
|
| diff --git a/third_party/ffmpeg/include/libavcodec/avcodec.h b/third_party/ffmpeg/include/libavcodec/avcodec.h
|
| deleted file mode 100644
|
| index 55935e39ba0e1a083b72053f0b106071a4136518..0000000000000000000000000000000000000000
|
| --- a/third_party/ffmpeg/include/libavcodec/avcodec.h
|
| +++ /dev/null
|
| @@ -1,3755 +0,0 @@
|
| -/*
|
| - * copyright (c) 2001 Fabrice Bellard
|
| - *
|
| - * 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
|
| - */
|
| -
|
| -#ifndef AVCODEC_AVCODEC_H
|
| -#define AVCODEC_AVCODEC_H
|
| -
|
| -/**
|
| - * @file libavcodec/avcodec.h
|
| - * external API header
|
| - */
|
| -
|
| -#include <errno.h>
|
| -#include "libavutil/avutil.h"
|
| -
|
| -#define LIBAVCODEC_VERSION_MAJOR 52
|
| -#define LIBAVCODEC_VERSION_MINOR 28
|
| -#define LIBAVCODEC_VERSION_MICRO 0
|
| -
|
| -#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
|
| - LIBAVCODEC_VERSION_MINOR, \
|
| - LIBAVCODEC_VERSION_MICRO)
|
| -#define LIBAVCODEC_VERSION AV_VERSION(LIBAVCODEC_VERSION_MAJOR, \
|
| - LIBAVCODEC_VERSION_MINOR, \
|
| - LIBAVCODEC_VERSION_MICRO)
|
| -#define LIBAVCODEC_BUILD LIBAVCODEC_VERSION_INT
|
| -
|
| -#define LIBAVCODEC_IDENT "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION)
|
| -
|
| -#define AV_NOPTS_VALUE INT64_C(0x8000000000000000)
|
| -#define AV_TIME_BASE 1000000
|
| -#define AV_TIME_BASE_Q (AVRational){1, AV_TIME_BASE}
|
| -
|
| -/**
|
| - * Identifies the syntax and semantics of the bitstream.
|
| - * The principle is roughly:
|
| - * Two decoders with the same ID can decode the same streams.
|
| - * Two encoders with the same ID can encode compatible streams.
|
| - * There may be slight deviations from the principle due to implementation
|
| - * details.
|
| - *
|
| - * If you add a codec ID to this list, add it so that
|
| - * 1. no value of a existing codec ID changes (that would break ABI),
|
| - * 2. it is as close as possible to similar codecs.
|
| - */
|
| -enum CodecID {
|
| - CODEC_ID_NONE,
|
| -
|
| - /* video codecs */
|
| - CODEC_ID_MPEG1VIDEO,
|
| - CODEC_ID_MPEG2VIDEO, ///< preferred ID for MPEG-1/2 video decoding
|
| - CODEC_ID_MPEG2VIDEO_XVMC,
|
| - CODEC_ID_H261,
|
| - CODEC_ID_H263,
|
| - CODEC_ID_RV10,
|
| - CODEC_ID_RV20,
|
| - CODEC_ID_MJPEG,
|
| - CODEC_ID_MJPEGB,
|
| - CODEC_ID_LJPEG,
|
| - CODEC_ID_SP5X,
|
| - CODEC_ID_JPEGLS,
|
| - CODEC_ID_MPEG4,
|
| - CODEC_ID_RAWVIDEO,
|
| - CODEC_ID_MSMPEG4V1,
|
| - CODEC_ID_MSMPEG4V2,
|
| - CODEC_ID_MSMPEG4V3,
|
| - CODEC_ID_WMV1,
|
| - CODEC_ID_WMV2,
|
| - CODEC_ID_H263P,
|
| - CODEC_ID_H263I,
|
| - CODEC_ID_FLV1,
|
| - CODEC_ID_SVQ1,
|
| - CODEC_ID_SVQ3,
|
| - CODEC_ID_DVVIDEO,
|
| - CODEC_ID_HUFFYUV,
|
| - CODEC_ID_CYUV,
|
| - CODEC_ID_H264,
|
| - CODEC_ID_INDEO3,
|
| - CODEC_ID_VP3,
|
| - CODEC_ID_THEORA,
|
| - CODEC_ID_ASV1,
|
| - CODEC_ID_ASV2,
|
| - CODEC_ID_FFV1,
|
| - CODEC_ID_4XM,
|
| - CODEC_ID_VCR1,
|
| - CODEC_ID_CLJR,
|
| - CODEC_ID_MDEC,
|
| - CODEC_ID_ROQ,
|
| - CODEC_ID_INTERPLAY_VIDEO,
|
| - CODEC_ID_XAN_WC3,
|
| - CODEC_ID_XAN_WC4,
|
| - CODEC_ID_RPZA,
|
| - CODEC_ID_CINEPAK,
|
| - CODEC_ID_WS_VQA,
|
| - CODEC_ID_MSRLE,
|
| - CODEC_ID_MSVIDEO1,
|
| - CODEC_ID_IDCIN,
|
| - CODEC_ID_8BPS,
|
| - CODEC_ID_SMC,
|
| - CODEC_ID_FLIC,
|
| - CODEC_ID_TRUEMOTION1,
|
| - CODEC_ID_VMDVIDEO,
|
| - CODEC_ID_MSZH,
|
| - CODEC_ID_ZLIB,
|
| - CODEC_ID_QTRLE,
|
| - CODEC_ID_SNOW,
|
| - CODEC_ID_TSCC,
|
| - CODEC_ID_ULTI,
|
| - CODEC_ID_QDRAW,
|
| - CODEC_ID_VIXL,
|
| - CODEC_ID_QPEG,
|
| - CODEC_ID_XVID,
|
| - CODEC_ID_PNG,
|
| - CODEC_ID_PPM,
|
| - CODEC_ID_PBM,
|
| - CODEC_ID_PGM,
|
| - CODEC_ID_PGMYUV,
|
| - CODEC_ID_PAM,
|
| - CODEC_ID_FFVHUFF,
|
| - CODEC_ID_RV30,
|
| - CODEC_ID_RV40,
|
| - CODEC_ID_VC1,
|
| - CODEC_ID_WMV3,
|
| - CODEC_ID_LOCO,
|
| - CODEC_ID_WNV1,
|
| - CODEC_ID_AASC,
|
| - CODEC_ID_INDEO2,
|
| - CODEC_ID_FRAPS,
|
| - CODEC_ID_TRUEMOTION2,
|
| - CODEC_ID_BMP,
|
| - CODEC_ID_CSCD,
|
| - CODEC_ID_MMVIDEO,
|
| - CODEC_ID_ZMBV,
|
| - CODEC_ID_AVS,
|
| - CODEC_ID_SMACKVIDEO,
|
| - CODEC_ID_NUV,
|
| - CODEC_ID_KMVC,
|
| - CODEC_ID_FLASHSV,
|
| - CODEC_ID_CAVS,
|
| - CODEC_ID_JPEG2000,
|
| - CODEC_ID_VMNC,
|
| - CODEC_ID_VP5,
|
| - CODEC_ID_VP6,
|
| - CODEC_ID_VP6F,
|
| - CODEC_ID_TARGA,
|
| - CODEC_ID_DSICINVIDEO,
|
| - CODEC_ID_TIERTEXSEQVIDEO,
|
| - CODEC_ID_TIFF,
|
| - CODEC_ID_GIF,
|
| - CODEC_ID_FFH264,
|
| - CODEC_ID_DXA,
|
| - CODEC_ID_DNXHD,
|
| - CODEC_ID_THP,
|
| - CODEC_ID_SGI,
|
| - CODEC_ID_C93,
|
| - CODEC_ID_BETHSOFTVID,
|
| - CODEC_ID_PTX,
|
| - CODEC_ID_TXD,
|
| - CODEC_ID_VP6A,
|
| - CODEC_ID_AMV,
|
| - CODEC_ID_VB,
|
| - CODEC_ID_PCX,
|
| - CODEC_ID_SUNRAST,
|
| - CODEC_ID_INDEO4,
|
| - CODEC_ID_INDEO5,
|
| - CODEC_ID_MIMIC,
|
| - CODEC_ID_RL2,
|
| - CODEC_ID_8SVX_EXP,
|
| - CODEC_ID_8SVX_FIB,
|
| - CODEC_ID_ESCAPE124,
|
| - CODEC_ID_DIRAC,
|
| - CODEC_ID_BFI,
|
| - CODEC_ID_CMV,
|
| - CODEC_ID_MOTIONPIXELS,
|
| - CODEC_ID_TGV,
|
| - CODEC_ID_TGQ,
|
| - CODEC_ID_TQI,
|
| - CODEC_ID_AURA,
|
| - CODEC_ID_AURA2,
|
| - CODEC_ID_V210X,
|
| - CODEC_ID_TMV,
|
| -
|
| - /* various PCM "codecs" */
|
| - CODEC_ID_PCM_S16LE= 0x10000,
|
| - CODEC_ID_PCM_S16BE,
|
| - CODEC_ID_PCM_U16LE,
|
| - CODEC_ID_PCM_U16BE,
|
| - CODEC_ID_PCM_S8,
|
| - CODEC_ID_PCM_U8,
|
| - CODEC_ID_PCM_MULAW,
|
| - CODEC_ID_PCM_ALAW,
|
| - CODEC_ID_PCM_S32LE,
|
| - CODEC_ID_PCM_S32BE,
|
| - CODEC_ID_PCM_U32LE,
|
| - CODEC_ID_PCM_U32BE,
|
| - CODEC_ID_PCM_S24LE,
|
| - CODEC_ID_PCM_S24BE,
|
| - CODEC_ID_PCM_U24LE,
|
| - CODEC_ID_PCM_U24BE,
|
| - CODEC_ID_PCM_S24DAUD,
|
| - CODEC_ID_PCM_ZORK,
|
| - CODEC_ID_PCM_S16LE_PLANAR,
|
| - CODEC_ID_PCM_DVD,
|
| - CODEC_ID_PCM_F32BE,
|
| - CODEC_ID_PCM_F32LE,
|
| - CODEC_ID_PCM_F64BE,
|
| - CODEC_ID_PCM_F64LE,
|
| -
|
| - /* various ADPCM codecs */
|
| - CODEC_ID_ADPCM_IMA_QT= 0x11000,
|
| - CODEC_ID_ADPCM_IMA_WAV,
|
| - CODEC_ID_ADPCM_IMA_DK3,
|
| - CODEC_ID_ADPCM_IMA_DK4,
|
| - CODEC_ID_ADPCM_IMA_WS,
|
| - CODEC_ID_ADPCM_IMA_SMJPEG,
|
| - CODEC_ID_ADPCM_MS,
|
| - CODEC_ID_ADPCM_4XM,
|
| - CODEC_ID_ADPCM_XA,
|
| - CODEC_ID_ADPCM_ADX,
|
| - CODEC_ID_ADPCM_EA,
|
| - CODEC_ID_ADPCM_G726,
|
| - CODEC_ID_ADPCM_CT,
|
| - CODEC_ID_ADPCM_SWF,
|
| - CODEC_ID_ADPCM_YAMAHA,
|
| - CODEC_ID_ADPCM_SBPRO_4,
|
| - CODEC_ID_ADPCM_SBPRO_3,
|
| - CODEC_ID_ADPCM_SBPRO_2,
|
| - CODEC_ID_ADPCM_THP,
|
| - CODEC_ID_ADPCM_IMA_AMV,
|
| - CODEC_ID_ADPCM_EA_R1,
|
| - CODEC_ID_ADPCM_EA_R3,
|
| - CODEC_ID_ADPCM_EA_R2,
|
| - CODEC_ID_ADPCM_IMA_EA_SEAD,
|
| - CODEC_ID_ADPCM_IMA_EA_EACS,
|
| - CODEC_ID_ADPCM_EA_XAS,
|
| - CODEC_ID_ADPCM_EA_MAXIS_XA,
|
| - CODEC_ID_ADPCM_IMA_ISS,
|
| -
|
| - /* AMR */
|
| - CODEC_ID_AMR_NB= 0x12000,
|
| - CODEC_ID_AMR_WB,
|
| -
|
| - /* RealAudio codecs*/
|
| - CODEC_ID_RA_144= 0x13000,
|
| - CODEC_ID_RA_288,
|
| -
|
| - /* various DPCM codecs */
|
| - CODEC_ID_ROQ_DPCM= 0x14000,
|
| - CODEC_ID_INTERPLAY_DPCM,
|
| - CODEC_ID_XAN_DPCM,
|
| - CODEC_ID_SOL_DPCM,
|
| -
|
| - /* audio codecs */
|
| - CODEC_ID_MP2= 0x15000,
|
| - CODEC_ID_MP3, ///< preferred ID for decoding MPEG audio layer 1, 2 or 3
|
| - CODEC_ID_AAC,
|
| - CODEC_ID_AC3,
|
| - CODEC_ID_DTS,
|
| - CODEC_ID_VORBIS,
|
| - CODEC_ID_DVAUDIO,
|
| - CODEC_ID_WMAV1,
|
| - CODEC_ID_WMAV2,
|
| - CODEC_ID_MACE3,
|
| - CODEC_ID_MACE6,
|
| - CODEC_ID_VMDAUDIO,
|
| - CODEC_ID_SONIC,
|
| - CODEC_ID_SONIC_LS,
|
| - CODEC_ID_FLAC,
|
| - CODEC_ID_MP3ADU,
|
| - CODEC_ID_MP3ON4,
|
| - CODEC_ID_SHORTEN,
|
| - CODEC_ID_ALAC,
|
| - CODEC_ID_WESTWOOD_SND1,
|
| - CODEC_ID_GSM, ///< as in Berlin toast format
|
| - CODEC_ID_QDM2,
|
| - CODEC_ID_COOK,
|
| - CODEC_ID_TRUESPEECH,
|
| - CODEC_ID_TTA,
|
| - CODEC_ID_SMACKAUDIO,
|
| - CODEC_ID_QCELP,
|
| - CODEC_ID_WAVPACK,
|
| - CODEC_ID_DSICINAUDIO,
|
| - CODEC_ID_IMC,
|
| - CODEC_ID_MUSEPACK7,
|
| - CODEC_ID_MLP,
|
| - CODEC_ID_GSM_MS, /* as found in WAV */
|
| - CODEC_ID_ATRAC3,
|
| - CODEC_ID_VOXWARE,
|
| - CODEC_ID_APE,
|
| - CODEC_ID_NELLYMOSER,
|
| - CODEC_ID_MUSEPACK8,
|
| - CODEC_ID_SPEEX,
|
| - CODEC_ID_WMAVOICE,
|
| - CODEC_ID_WMAPRO,
|
| - CODEC_ID_WMALOSSLESS,
|
| - CODEC_ID_ATRAC3P,
|
| - CODEC_ID_EAC3,
|
| - CODEC_ID_SIPR,
|
| - CODEC_ID_MP1,
|
| - CODEC_ID_TWINVQ,
|
| - CODEC_ID_TRUEHD,
|
| - CODEC_ID_MP4ALS,
|
| -
|
| - /* subtitle codecs */
|
| - CODEC_ID_DVD_SUBTITLE= 0x17000,
|
| - CODEC_ID_DVB_SUBTITLE,
|
| - CODEC_ID_TEXT, ///< raw UTF-8 text
|
| - CODEC_ID_XSUB,
|
| - CODEC_ID_SSA,
|
| - CODEC_ID_MOV_TEXT,
|
| -
|
| - /* other specific kind of codecs (generally used for attachments) */
|
| - CODEC_ID_TTF= 0x18000,
|
| -
|
| - CODEC_ID_PROBE= 0x19000, ///< codec_id is not known (like CODEC_ID_NONE) but lavf should attempt to identify it
|
| -
|
| - CODEC_ID_MPEG2TS= 0x20000, /**< _FAKE_ codec to indicate a raw MPEG-2 TS
|
| - * stream (only used by libavformat) */
|
| -};
|
| -
|
| -enum CodecType {
|
| - CODEC_TYPE_UNKNOWN = -1,
|
| - CODEC_TYPE_VIDEO,
|
| - CODEC_TYPE_AUDIO,
|
| - CODEC_TYPE_DATA,
|
| - CODEC_TYPE_SUBTITLE,
|
| - CODEC_TYPE_ATTACHMENT,
|
| - CODEC_TYPE_NB
|
| -};
|
| -
|
| -/**
|
| - * all in native-endian format
|
| - */
|
| -enum SampleFormat {
|
| - SAMPLE_FMT_NONE = -1,
|
| - SAMPLE_FMT_U8, ///< unsigned 8 bits
|
| - SAMPLE_FMT_S16, ///< signed 16 bits
|
| - SAMPLE_FMT_S32, ///< signed 32 bits
|
| - SAMPLE_FMT_FLT, ///< float
|
| - SAMPLE_FMT_DBL, ///< double
|
| - SAMPLE_FMT_NB ///< Number of sample formats. DO NOT USE if dynamically linking to libavcodec
|
| -};
|
| -
|
| -/* Audio channel masks */
|
| -#define CH_FRONT_LEFT 0x00000001
|
| -#define CH_FRONT_RIGHT 0x00000002
|
| -#define CH_FRONT_CENTER 0x00000004
|
| -#define CH_LOW_FREQUENCY 0x00000008
|
| -#define CH_BACK_LEFT 0x00000010
|
| -#define CH_BACK_RIGHT 0x00000020
|
| -#define CH_FRONT_LEFT_OF_CENTER 0x00000040
|
| -#define CH_FRONT_RIGHT_OF_CENTER 0x00000080
|
| -#define CH_BACK_CENTER 0x00000100
|
| -#define CH_SIDE_LEFT 0x00000200
|
| -#define CH_SIDE_RIGHT 0x00000400
|
| -#define CH_TOP_CENTER 0x00000800
|
| -#define CH_TOP_FRONT_LEFT 0x00001000
|
| -#define CH_TOP_FRONT_CENTER 0x00002000
|
| -#define CH_TOP_FRONT_RIGHT 0x00004000
|
| -#define CH_TOP_BACK_LEFT 0x00008000
|
| -#define CH_TOP_BACK_CENTER 0x00010000
|
| -#define CH_TOP_BACK_RIGHT 0x00020000
|
| -#define CH_STEREO_LEFT 0x20000000 ///< Stereo downmix.
|
| -#define CH_STEREO_RIGHT 0x40000000 ///< See CH_STEREO_LEFT.
|
| -
|
| -/* Audio channel convenience macros */
|
| -#define CH_LAYOUT_MONO (CH_FRONT_CENTER)
|
| -#define CH_LAYOUT_STEREO (CH_FRONT_LEFT|CH_FRONT_RIGHT)
|
| -#define CH_LAYOUT_2_1 (CH_LAYOUT_STEREO|CH_BACK_CENTER)
|
| -#define CH_LAYOUT_SURROUND (CH_LAYOUT_STEREO|CH_FRONT_CENTER)
|
| -#define CH_LAYOUT_4POINT0 (CH_LAYOUT_SURROUND|CH_BACK_CENTER)
|
| -#define CH_LAYOUT_2_2 (CH_LAYOUT_STEREO|CH_SIDE_LEFT|CH_SIDE_RIGHT)
|
| -#define CH_LAYOUT_QUAD (CH_LAYOUT_STEREO|CH_BACK_LEFT|CH_BACK_RIGHT)
|
| -#define CH_LAYOUT_5POINT0 (CH_LAYOUT_SURROUND|CH_SIDE_LEFT|CH_SIDE_RIGHT)
|
| -#define CH_LAYOUT_5POINT1 (CH_LAYOUT_5POINT0|CH_LOW_FREQUENCY)
|
| -#define CH_LAYOUT_5POINT0_BACK (CH_LAYOUT_SURROUND|CH_BACK_LEFT|CH_BACK_RIGHT)
|
| -#define CH_LAYOUT_5POINT1_BACK (CH_LAYOUT_5POINT0_BACK|CH_LOW_FREQUENCY)
|
| -#define CH_LAYOUT_7POINT1 (CH_LAYOUT_5POINT1|CH_BACK_LEFT|CH_BACK_RIGHT)
|
| -#define CH_LAYOUT_7POINT1_WIDE (CH_LAYOUT_5POINT1_BACK|\
|
| - CH_FRONT_LEFT_OF_CENTER|CH_FRONT_RIGHT_OF_CENTER)
|
| -#define CH_LAYOUT_STEREO_DOWNMIX (CH_STEREO_LEFT|CH_STEREO_RIGHT)
|
| -
|
| -/* in bytes */
|
| -#define AVCODEC_MAX_AUDIO_FRAME_SIZE 192000 // 1 second of 48khz 32bit audio
|
| -
|
| -/**
|
| - * Required number of additionally allocated bytes at the end of the input bitstream for decoding.
|
| - * This is mainly needed because some optimized bitstream readers read
|
| - * 32 or 64 bit at once and could read over the end.<br>
|
| - * Note: If the first 23 bits of the additional bytes are not 0, then damaged
|
| - * MPEG bitstreams could cause overread and segfault.
|
| - */
|
| -#define FF_INPUT_BUFFER_PADDING_SIZE 8
|
| -
|
| -/**
|
| - * minimum encoding buffer size
|
| - * Used to avoid some checks during header writing.
|
| - */
|
| -#define FF_MIN_BUFFER_SIZE 16384
|
| -
|
| -
|
| -/**
|
| - * motion estimation type.
|
| - */
|
| -enum Motion_Est_ID {
|
| - ME_ZERO = 1, ///< no search, that is use 0,0 vector whenever one is needed
|
| - ME_FULL,
|
| - ME_LOG,
|
| - ME_PHODS,
|
| - ME_EPZS, ///< enhanced predictive zonal search
|
| - ME_X1, ///< reserved for experiments
|
| - ME_HEX, ///< hexagon based search
|
| - ME_UMH, ///< uneven multi-hexagon search
|
| - ME_ITER, ///< iterative search
|
| - ME_TESA, ///< transformed exhaustive search algorithm
|
| -};
|
| -
|
| -enum AVDiscard{
|
| - /* We leave some space between them for extensions (drop some
|
| - * keyframes for intra-only or drop just some bidir frames). */
|
| - AVDISCARD_NONE =-16, ///< discard nothing
|
| - AVDISCARD_DEFAULT= 0, ///< discard useless packets like 0 size packets in avi
|
| - AVDISCARD_NONREF = 8, ///< discard all non reference
|
| - AVDISCARD_BIDIR = 16, ///< discard all bidirectional frames
|
| - AVDISCARD_NONKEY = 32, ///< discard all frames except keyframes
|
| - AVDISCARD_ALL = 48, ///< discard all
|
| -};
|
| -
|
| -enum AVColorPrimaries{
|
| - AVCOL_PRI_BT709 =1, ///< also ITU-R BT1361 / IEC 61966-2-4 / SMPTE RP177 Annex B
|
| - AVCOL_PRI_UNSPECIFIED=2,
|
| - AVCOL_PRI_BT470M =4,
|
| - AVCOL_PRI_BT470BG =5, ///< also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM
|
| - AVCOL_PRI_SMPTE170M =6, ///< also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC
|
| - AVCOL_PRI_SMPTE240M =7, ///< functionally identical to above
|
| - AVCOL_PRI_FILM =8,
|
| - AVCOL_PRI_NB , ///< Not part of ABI
|
| -};
|
| -
|
| -enum AVColorTransferCharacteristic{
|
| - AVCOL_TRC_BT709 =1, ///< also ITU-R BT1361
|
| - AVCOL_TRC_UNSPECIFIED=2,
|
| - AVCOL_TRC_GAMMA22 =4, ///< also ITU-R BT470M / ITU-R BT1700 625 PAL & SECAM
|
| - AVCOL_TRC_GAMMA28 =5, ///< also ITU-R BT470BG
|
| - AVCOL_TRC_NB , ///< Not part of ABI
|
| -};
|
| -
|
| -enum AVColorSpace{
|
| - AVCOL_SPC_RGB =0,
|
| - AVCOL_SPC_BT709 =1, ///< also ITU-R BT1361 / IEC 61966-2-4 xvYCC709 / SMPTE RP177 Annex B
|
| - AVCOL_SPC_UNSPECIFIED=2,
|
| - AVCOL_SPC_FCC =4,
|
| - AVCOL_SPC_BT470BG =5, ///< also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM / IEC 61966-2-4 xvYCC601
|
| - AVCOL_SPC_SMPTE170M =6, ///< also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC / functionally identical to above
|
| - AVCOL_SPC_SMPTE240M =7,
|
| - AVCOL_SPC_NB , ///< Not part of ABI
|
| -};
|
| -
|
| -enum AVColorRange{
|
| - AVCOL_RANGE_UNSPECIFIED=0,
|
| - AVCOL_RANGE_MPEG =1, ///< the normal 219*2^(n-8) "MPEG" YUV ranges
|
| - AVCOL_RANGE_JPEG =2, ///< the normal 2^n-1 "JPEG" YUV ranges
|
| - AVCOL_RANGE_NB , ///< Not part of ABI
|
| -};
|
| -
|
| -typedef struct RcOverride{
|
| - int start_frame;
|
| - int end_frame;
|
| - int qscale; // If this is 0 then quality_factor will be used instead.
|
| - float quality_factor;
|
| -} RcOverride;
|
| -
|
| -#define FF_MAX_B_FRAMES 16
|
| -
|
| -/* encoding support
|
| - These flags can be passed in AVCodecContext.flags before initialization.
|
| - Note: Not everything is supported yet.
|
| -*/
|
| -
|
| -#define CODEC_FLAG_QSCALE 0x0002 ///< Use fixed qscale.
|
| -#define CODEC_FLAG_4MV 0x0004 ///< 4 MV per MB allowed / advanced prediction for H.263.
|
| -#define CODEC_FLAG_QPEL 0x0010 ///< Use qpel MC.
|
| -#define CODEC_FLAG_GMC 0x0020 ///< Use GMC.
|
| -#define CODEC_FLAG_MV0 0x0040 ///< Always try a MB with MV=<0,0>.
|
| -#define CODEC_FLAG_PART 0x0080 ///< Use data partitioning.
|
| -/**
|
| - * The parent program guarantees that the input for B-frames containing
|
| - * streams is not written to for at least s->max_b_frames+1 frames, if
|
| - * this is not set the input will be copied.
|
| - */
|
| -#define CODEC_FLAG_INPUT_PRESERVED 0x0100
|
| -#define CODEC_FLAG_PASS1 0x0200 ///< Use internal 2pass ratecontrol in first pass mode.
|
| -#define CODEC_FLAG_PASS2 0x0400 ///< Use internal 2pass ratecontrol in second pass mode.
|
| -#define CODEC_FLAG_EXTERN_HUFF 0x1000 ///< Use external Huffman table (for MJPEG).
|
| -#define CODEC_FLAG_GRAY 0x2000 ///< Only decode/encode grayscale.
|
| -#define CODEC_FLAG_EMU_EDGE 0x4000 ///< Don't draw edges.
|
| -#define CODEC_FLAG_PSNR 0x8000 ///< error[?] variables will be set during encoding.
|
| -#define CODEC_FLAG_TRUNCATED 0x00010000 /** Input bitstream might be truncated at a random
|
| - location instead of only at frame boundaries. */
|
| -#define CODEC_FLAG_NORMALIZE_AQP 0x00020000 ///< Normalize adaptive quantization.
|
| -#define CODEC_FLAG_INTERLACED_DCT 0x00040000 ///< Use interlaced DCT.
|
| -#define CODEC_FLAG_LOW_DELAY 0x00080000 ///< Force low delay.
|
| -#define CODEC_FLAG_ALT_SCAN 0x00100000 ///< Use alternate scan.
|
| -#define CODEC_FLAG_GLOBAL_HEADER 0x00400000 ///< Place global headers in extradata instead of every keyframe.
|
| -#define CODEC_FLAG_BITEXACT 0x00800000 ///< Use only bitexact stuff (except (I)DCT).
|
| -/* Fx : Flag for h263+ extra options */
|
| -#define CODEC_FLAG_AC_PRED 0x01000000 ///< H.263 advanced intra coding / MPEG-4 AC prediction
|
| -#define CODEC_FLAG_H263P_UMV 0x02000000 ///< unlimited motion vector
|
| -#define CODEC_FLAG_CBP_RD 0x04000000 ///< Use rate distortion optimization for cbp.
|
| -#define CODEC_FLAG_QP_RD 0x08000000 ///< Use rate distortion optimization for qp selectioon.
|
| -#define CODEC_FLAG_H263P_AIV 0x00000008 ///< H.263 alternative inter VLC
|
| -#define CODEC_FLAG_OBMC 0x00000001 ///< OBMC
|
| -#define CODEC_FLAG_LOOP_FILTER 0x00000800 ///< loop filter
|
| -#define CODEC_FLAG_H263P_SLICE_STRUCT 0x10000000
|
| -#define CODEC_FLAG_INTERLACED_ME 0x20000000 ///< interlaced motion estimation
|
| -#define CODEC_FLAG_SVCD_SCAN_OFFSET 0x40000000 ///< Will reserve space for SVCD scan offset user data.
|
| -#define CODEC_FLAG_CLOSED_GOP 0x80000000
|
| -#define CODEC_FLAG2_FAST 0x00000001 ///< Allow non spec compliant speedup tricks.
|
| -#define CODEC_FLAG2_STRICT_GOP 0x00000002 ///< Strictly enforce GOP size.
|
| -#define CODEC_FLAG2_NO_OUTPUT 0x00000004 ///< Skip bitstream encoding.
|
| -#define CODEC_FLAG2_LOCAL_HEADER 0x00000008 ///< Place global headers at every keyframe instead of in extradata.
|
| -#define CODEC_FLAG2_BPYRAMID 0x00000010 ///< H.264 allow B-frames to be used as references.
|
| -#define CODEC_FLAG2_WPRED 0x00000020 ///< H.264 weighted biprediction for B-frames
|
| -#define CODEC_FLAG2_MIXED_REFS 0x00000040 ///< H.264 one reference per partition, as opposed to one reference per macroblock
|
| -#define CODEC_FLAG2_8X8DCT 0x00000080 ///< H.264 high profile 8x8 transform
|
| -#define CODEC_FLAG2_FASTPSKIP 0x00000100 ///< H.264 fast pskip
|
| -#define CODEC_FLAG2_AUD 0x00000200 ///< H.264 access unit delimiters
|
| -#define CODEC_FLAG2_BRDO 0x00000400 ///< B-frame rate-distortion optimization
|
| -#define CODEC_FLAG2_INTRA_VLC 0x00000800 ///< Use MPEG-2 intra VLC table.
|
| -#define CODEC_FLAG2_MEMC_ONLY 0x00001000 ///< Only do ME/MC (I frames -> ref, P frame -> ME+MC).
|
| -#define CODEC_FLAG2_DROP_FRAME_TIMECODE 0x00002000 ///< timecode is in drop frame format.
|
| -#define CODEC_FLAG2_SKIP_RD 0x00004000 ///< RD optimal MB level residual skipping
|
| -#define CODEC_FLAG2_CHUNKS 0x00008000 ///< Input bitstream might be truncated at a packet boundaries instead of only at frame boundaries.
|
| -#define CODEC_FLAG2_NON_LINEAR_QUANT 0x00010000 ///< Use MPEG-2 nonlinear quantizer.
|
| -#define CODEC_FLAG2_BIT_RESERVOIR 0x00020000 ///< Use a bit reservoir when encoding if possible
|
| -
|
| -/* Unsupported options :
|
| - * Syntax Arithmetic coding (SAC)
|
| - * Reference Picture Selection
|
| - * Independent Segment Decoding */
|
| -/* /Fx */
|
| -/* codec capabilities */
|
| -
|
| -#define CODEC_CAP_DRAW_HORIZ_BAND 0x0001 ///< Decoder can use draw_horiz_band callback.
|
| -/**
|
| - * Codec uses get_buffer() for allocating buffers.
|
| - * direct rendering method 1
|
| - */
|
| -#define CODEC_CAP_DR1 0x0002
|
| -/* If 'parse_only' field is true, then avcodec_parse_frame() can be used. */
|
| -#define CODEC_CAP_PARSE_ONLY 0x0004
|
| -#define CODEC_CAP_TRUNCATED 0x0008
|
| -/* Codec can export data for HW decoding (XvMC). */
|
| -#define CODEC_CAP_HWACCEL 0x0010
|
| -/**
|
| - * Codec has a nonzero delay and needs to be fed with NULL at the end to get the delayed data.
|
| - * If this is not set, the codec is guaranteed to never be fed with NULL data.
|
| - */
|
| -#define CODEC_CAP_DELAY 0x0020
|
| -/**
|
| - * Codec can be fed a final frame with a smaller size.
|
| - * This can be used to prevent truncation of the last audio samples.
|
| - */
|
| -#define CODEC_CAP_SMALL_LAST_FRAME 0x0040
|
| -/**
|
| - * Codec can export data for HW decoding (VDPAU).
|
| - */
|
| -#define CODEC_CAP_HWACCEL_VDPAU 0x0080
|
| -/**
|
| - * Codec supports frame-based multithreading.
|
| - */
|
| -#define CODEC_CAP_FRAME_THREADS 0x0100
|
| -
|
| -//The following defines may change, don't expect compatibility if you use them.
|
| -#define MB_TYPE_INTRA4x4 0x0001
|
| -#define MB_TYPE_INTRA16x16 0x0002 //FIXME H.264-specific
|
| -#define MB_TYPE_INTRA_PCM 0x0004 //FIXME H.264-specific
|
| -#define MB_TYPE_16x16 0x0008
|
| -#define MB_TYPE_16x8 0x0010
|
| -#define MB_TYPE_8x16 0x0020
|
| -#define MB_TYPE_8x8 0x0040
|
| -#define MB_TYPE_INTERLACED 0x0080
|
| -#define MB_TYPE_DIRECT2 0x0100 //FIXME
|
| -#define MB_TYPE_ACPRED 0x0200
|
| -#define MB_TYPE_GMC 0x0400
|
| -#define MB_TYPE_SKIP 0x0800
|
| -#define MB_TYPE_P0L0 0x1000
|
| -#define MB_TYPE_P1L0 0x2000
|
| -#define MB_TYPE_P0L1 0x4000
|
| -#define MB_TYPE_P1L1 0x8000
|
| -#define MB_TYPE_L0 (MB_TYPE_P0L0 | MB_TYPE_P1L0)
|
| -#define MB_TYPE_L1 (MB_TYPE_P0L1 | MB_TYPE_P1L1)
|
| -#define MB_TYPE_L0L1 (MB_TYPE_L0 | MB_TYPE_L1)
|
| -#define MB_TYPE_QUANT 0x00010000
|
| -#define MB_TYPE_CBP 0x00020000
|
| -//Note bits 24-31 are reserved for codec specific use (h264 ref0, mpeg1 0mv, ...)
|
| -
|
| -/**
|
| - * Pan Scan area.
|
| - * This specifies the area which should be displayed.
|
| - * Note there may be multiple such areas for one frame.
|
| - */
|
| -typedef struct AVPanScan{
|
| - /**
|
| - * id
|
| - * - encoding: Set by user.
|
| - * - decoding: Set by libavcodec.
|
| - */
|
| - int id;
|
| -
|
| - /**
|
| - * width and height in 1/16 pel
|
| - * - encoding: Set by user.
|
| - * - decoding: Set by libavcodec.
|
| - */
|
| - int width;
|
| - int height;
|
| -
|
| - /**
|
| - * position of the top left corner in 1/16 pel for up to 3 fields/frames
|
| - * - encoding: Set by user.
|
| - * - decoding: Set by libavcodec.
|
| - */
|
| - int16_t position[3][2];
|
| -}AVPanScan;
|
| -
|
| -#define FF_COMMON_FRAME \
|
| - /**\
|
| - * pointer to the picture planes.\
|
| - * This might be different from the first allocated byte\
|
| - * - encoding: \
|
| - * - decoding: \
|
| - */\
|
| - uint8_t *data[4];\
|
| - int linesize[4];\
|
| - /**\
|
| - * pointer to the first allocated byte of the picture. Can be used in get_buffer/release_buffer.\
|
| - * This isn't used by libavcodec unless the default get/release_buffer() is used.\
|
| - * - encoding: \
|
| - * - decoding: \
|
| - */\
|
| - uint8_t *base[4];\
|
| - /**\
|
| - * 1 -> keyframe, 0-> not\
|
| - * - encoding: Set by libavcodec.\
|
| - * - decoding: Set by libavcodec.\
|
| - */\
|
| - int key_frame;\
|
| -\
|
| - /**\
|
| - * Picture type of the frame, see ?_TYPE below.\
|
| - * - encoding: Set by libavcodec. for coded_picture (and set by user for input).\
|
| - * - decoding: Set by libavcodec.\
|
| - */\
|
| - int pict_type;\
|
| -\
|
| - /**\
|
| - * presentation timestamp in time_base units (time when frame should be shown to user)\
|
| - * If AV_NOPTS_VALUE then frame_rate = 1/time_base will be assumed.\
|
| - * - encoding: MUST be set by user.\
|
| - * - decoding: Set by libavcodec.\
|
| - */\
|
| - int64_t pts;\
|
| -\
|
| - /**\
|
| - * picture number in bitstream order\
|
| - * - encoding: set by\
|
| - * - decoding: Set by libavcodec.\
|
| - */\
|
| - int coded_picture_number;\
|
| - /**\
|
| - * picture number in display order\
|
| - * - encoding: set by\
|
| - * - decoding: Set by libavcodec.\
|
| - */\
|
| - int display_picture_number;\
|
| -\
|
| - /**\
|
| - * quality (between 1 (good) and FF_LAMBDA_MAX (bad)) \
|
| - * - encoding: Set by libavcodec. for coded_picture (and set by user for input).\
|
| - * - decoding: Set by libavcodec.\
|
| - */\
|
| - int quality; \
|
| -\
|
| - /**\
|
| - * buffer age (1->was last buffer and dint change, 2->..., ...).\
|
| - * Set to INT_MAX if the buffer has not been used yet.\
|
| - * - encoding: unused\
|
| - * - decoding: MUST be set by get_buffer().\
|
| - */\
|
| - int age;\
|
| -\
|
| - /**\
|
| - * is this picture used as reference\
|
| - * The values for this are the same as the MpegEncContext.picture_structure\
|
| - * variable, that is 1->top field, 2->bottom field, 3->frame/both fields.\
|
| - * Set to 4 for delayed, non-reference frames.\
|
| - * - encoding: unused\
|
| - * - decoding: Set by libavcodec. (before get_buffer() call)).\
|
| - */\
|
| - int reference;\
|
| -\
|
| - /**\
|
| - * QP table\
|
| - * - encoding: unused\
|
| - * - decoding: Set by libavcodec.\
|
| - */\
|
| - int8_t *qscale_table;\
|
| - /**\
|
| - * QP store stride\
|
| - * - encoding: unused\
|
| - * - decoding: Set by libavcodec.\
|
| - */\
|
| - int qstride;\
|
| -\
|
| - /**\
|
| - * mbskip_table[mb]>=1 if MB didn't change\
|
| - * stride= mb_width = (width+15)>>4\
|
| - * - encoding: unused\
|
| - * - decoding: Set by libavcodec.\
|
| - */\
|
| - uint8_t *mbskip_table;\
|
| -\
|
| - /**\
|
| - * motion vector table\
|
| - * @code\
|
| - * example:\
|
| - * int mv_sample_log2= 4 - motion_subsample_log2;\
|
| - * int mb_width= (width+15)>>4;\
|
| - * int mv_stride= (mb_width << mv_sample_log2) + 1;\
|
| - * motion_val[direction][x + y*mv_stride][0->mv_x, 1->mv_y];\
|
| - * @endcode\
|
| - * - encoding: Set by user.\
|
| - * - decoding: Set by libavcodec.\
|
| - */\
|
| - int16_t (*motion_val[2])[2];\
|
| -\
|
| - /**\
|
| - * macroblock type table\
|
| - * mb_type_base + mb_width + 2\
|
| - * - encoding: Set by user.\
|
| - * - decoding: Set by libavcodec.\
|
| - */\
|
| - uint32_t *mb_type;\
|
| -\
|
| - /**\
|
| - * log2 of the size of the block which a single vector in motion_val represents: \
|
| - * (4->16x16, 3->8x8, 2-> 4x4, 1-> 2x2)\
|
| - * - encoding: unused\
|
| - * - decoding: Set by libavcodec.\
|
| - */\
|
| - uint8_t motion_subsample_log2;\
|
| -\
|
| - /**\
|
| - * for some private data of the user\
|
| - * - encoding: unused\
|
| - * - decoding: Set by user.\
|
| - */\
|
| - void *opaque;\
|
| -\
|
| - /**\
|
| - * error\
|
| - * - encoding: Set by libavcodec. if flags&CODEC_FLAG_PSNR.\
|
| - * - decoding: unused\
|
| - */\
|
| - uint64_t error[4];\
|
| -\
|
| - /**\
|
| - * type of the buffer (to keep track of who has to deallocate data[*])\
|
| - * - encoding: Set by the one who allocates it.\
|
| - * - decoding: Set by the one who allocates it.\
|
| - * Note: User allocated (direct rendering) & internal buffers cannot coexist currently.\
|
| - */\
|
| - int type;\
|
| - \
|
| - /**\
|
| - * When decoding, this signals how much the picture must be delayed.\
|
| - * extra_delay = repeat_pict / (2*fps)\
|
| - * - encoding: unused\
|
| - * - decoding: Set by libavcodec.\
|
| - */\
|
| - int repeat_pict;\
|
| - \
|
| - /**\
|
| - * \
|
| - */\
|
| - int qscale_type;\
|
| - \
|
| - /**\
|
| - * The content of the picture is interlaced.\
|
| - * - encoding: Set by user.\
|
| - * - decoding: Set by libavcodec. (default 0)\
|
| - */\
|
| - int interlaced_frame;\
|
| - \
|
| - /**\
|
| - * If the content is interlaced, is top field displayed first.\
|
| - * - encoding: Set by user.\
|
| - * - decoding: Set by libavcodec.\
|
| - */\
|
| - int top_field_first;\
|
| - \
|
| - /**\
|
| - * Pan scan.\
|
| - * - encoding: Set by user.\
|
| - * - decoding: Set by libavcodec.\
|
| - */\
|
| - AVPanScan *pan_scan;\
|
| - \
|
| - /**\
|
| - * Tell user application that palette has changed from previous frame.\
|
| - * - encoding: ??? (no palette-enabled encoder yet)\
|
| - * - decoding: Set by libavcodec. (default 0).\
|
| - */\
|
| - int palette_has_changed;\
|
| - \
|
| - /**\
|
| - * codec suggestion on buffer type if != 0\
|
| - * - encoding: unused\
|
| - * - decoding: Set by libavcodec. (before get_buffer() call)).\
|
| - */\
|
| - int buffer_hints;\
|
| -\
|
| - /**\
|
| - * DCT coefficients\
|
| - * - encoding: unused\
|
| - * - decoding: Set by libavcodec.\
|
| - */\
|
| - short *dct_coeff;\
|
| -\
|
| - /**\
|
| - * motion referece frame index\
|
| - * - encoding: Set by user.\
|
| - * - decoding: Set by libavcodec.\
|
| - */\
|
| - int8_t *ref_index[2];\
|
| -\
|
| - /**\
|
| - * reordered opaque 64bit number (generally a PTS) from AVCodecContext.reordered_opaque\
|
| - * output in AVFrame.reordered_opaque\
|
| - * - encoding: unused\
|
| - * - decoding: Read by user.\
|
| - */\
|
| - int64_t reordered_opaque;\
|
| -\
|
| - /**\
|
| - * hardware accelerator private data (FFmpeg allocated)\
|
| - * - encoding: unused\
|
| - * - decoding: Set by libavcodec\
|
| - */\
|
| - void *hwaccel_picture_private;\
|
| -\
|
| - /**\
|
| - * the AVCodecContext which ff_get_buffer was last called on\
|
| - * - encoding: Set by libavcodec.\
|
| - * - decoding: Set by libavcodec.\
|
| - */\
|
| - struct AVCodecContext *owner;\
|
| -\
|
| - /**\
|
| - * used by multithreading to store frame-specific info\
|
| - * - encoding: Set by libavcodec.\
|
| - * - decoding: Set by libavcodec.\
|
| - */\
|
| - void *thread_opaque;
|
| -
|
| -#define FF_QSCALE_TYPE_MPEG1 0
|
| -#define FF_QSCALE_TYPE_MPEG2 1
|
| -#define FF_QSCALE_TYPE_H264 2
|
| -
|
| -#define FF_BUFFER_TYPE_INTERNAL 1
|
| -#define FF_BUFFER_TYPE_USER 2 ///< direct rendering buffers (image is (de)allocated by user)
|
| -#define FF_BUFFER_TYPE_SHARED 4 ///< Buffer from somewhere else; don't deallocate image (data/base), all other tables are not shared.
|
| -#define FF_BUFFER_TYPE_COPY 8 ///< Just a (modified) copy of some other buffer, don't deallocate anything.
|
| -
|
| -
|
| -#define FF_I_TYPE 1 ///< Intra
|
| -#define FF_P_TYPE 2 ///< Predicted
|
| -#define FF_B_TYPE 3 ///< Bi-dir predicted
|
| -#define FF_S_TYPE 4 ///< S(GMC)-VOP MPEG4
|
| -#define FF_SI_TYPE 5 ///< Switching Intra
|
| -#define FF_SP_TYPE 6 ///< Switching Predicted
|
| -#define FF_BI_TYPE 7
|
| -
|
| -#define FF_BUFFER_HINTS_VALID 0x01 // Buffer hints value is meaningful (if 0 ignore).
|
| -#define FF_BUFFER_HINTS_READABLE 0x02 // Codec will read from buffer.
|
| -#define FF_BUFFER_HINTS_PRESERVE 0x04 // User must not alter buffer content.
|
| -#define FF_BUFFER_HINTS_REUSABLE 0x08 // Codec will reuse the buffer (update).
|
| -
|
| -typedef struct AVPacket {
|
| - /**
|
| - * Presentation timestamp in AVStream->time_base units; the time at which
|
| - * the decompressed packet will be presented to the user.
|
| - * Can be AV_NOPTS_VALUE if it is not stored in the file.
|
| - * pts MUST be larger or equal to dts as presentation cannot happen before
|
| - * decompression, unless one wants to view hex dumps. Some formats misuse
|
| - * the terms dts and pts/cts to mean something different. Such timestamps
|
| - * must be converted to true pts/dts before they are stored in AVPacket.
|
| - */
|
| - int64_t pts;
|
| - /**
|
| - * Decompression timestamp in AVStream->time_base units; the time at which
|
| - * the packet is decompressed.
|
| - * Can be AV_NOPTS_VALUE if it is not stored in the file.
|
| - */
|
| - int64_t dts;
|
| - uint8_t *data;
|
| - int size;
|
| - int stream_index;
|
| - int flags;
|
| - /**
|
| - * Duration of this packet in AVStream->time_base units, 0 if unknown.
|
| - * Equals next_pts - this_pts in presentation order.
|
| - */
|
| - int duration;
|
| - void (*destruct)(struct AVPacket *);
|
| - void *priv;
|
| - int64_t pos; ///< byte position in stream, -1 if unknown
|
| -
|
| - /**
|
| - * Time difference in AVStream->time_base units from the pts of this
|
| - * packet to the point at which the output from the decoder has converged
|
| - * independent from the availability of previous frames. That is, the
|
| - * frames are virtually identical no matter if decoding started from
|
| - * the very first frame or from this keyframe.
|
| - * Is AV_NOPTS_VALUE if unknown.
|
| - * This field is not the display duration of the current packet.
|
| - *
|
| - * The purpose of this field is to allow seeking in streams that have no
|
| - * keyframes in the conventional sense. It corresponds to the
|
| - * recovery point SEI in H.264 and match_time_delta in NUT. It is also
|
| - * essential for some types of subtitle streams to ensure that all
|
| - * subtitles are correctly displayed after seeking.
|
| - */
|
| - int64_t convergence_duration;
|
| -} AVPacket;
|
| -#define PKT_FLAG_KEY 0x0001
|
| -
|
| -/**
|
| - * Audio Video Frame.
|
| - * New fields can be added to the end of FF_COMMON_FRAME with minor version
|
| - * bumps.
|
| - * Removal, reordering and changes to existing fields require a major
|
| - * version bump. No fields should be added into AVFrame before or after
|
| - * FF_COMMON_FRAME!
|
| - * sizeof(AVFrame) must not be used outside libav*.
|
| - */
|
| -typedef struct AVFrame {
|
| - FF_COMMON_FRAME
|
| -} AVFrame;
|
| -
|
| -/**
|
| - * main external API structure.
|
| - * New fields can be added to the end with minor version bumps.
|
| - * Removal, reordering and changes to existing fields require a major
|
| - * version bump.
|
| - * sizeof(AVCodecContext) must not be used outside libav*.
|
| - */
|
| -typedef struct AVCodecContext {
|
| - /**
|
| - * information on struct for av_log
|
| - * - set by avcodec_alloc_context
|
| - */
|
| - const AVClass *av_class;
|
| - /**
|
| - * the average bitrate
|
| - * - encoding: Set by user; unused for constant quantizer encoding.
|
| - * - decoding: Set by libavcodec. 0 or some bitrate if this info is available in the stream.
|
| - */
|
| - int bit_rate;
|
| -
|
| - /**
|
| - * number of bits the bitstream is allowed to diverge from the reference.
|
| - * the reference can be CBR (for CBR pass1) or VBR (for pass2)
|
| - * - encoding: Set by user; unused for constant quantizer encoding.
|
| - * - decoding: unused
|
| - */
|
| - int bit_rate_tolerance;
|
| -
|
| - /**
|
| - * CODEC_FLAG_*.
|
| - * - encoding: Set by user.
|
| - * - decoding: Set by user.
|
| - */
|
| - int flags;
|
| -
|
| - /**
|
| - * Some codecs need additional format info. It is stored here.
|
| - * If any muxer uses this then ALL demuxers/parsers AND encoders for the
|
| - * specific codec MUST set it correctly otherwise stream copy breaks.
|
| - * In general use of this field by muxers is not recommanded.
|
| - * - encoding: Set by libavcodec.
|
| - * - decoding: Set by libavcodec. (FIXME: Is this OK?)
|
| - */
|
| - int sub_id;
|
| -
|
| - /**
|
| - * Motion estimation algorithm used for video coding.
|
| - * 1 (zero), 2 (full), 3 (log), 4 (phods), 5 (epzs), 6 (x1), 7 (hex),
|
| - * 8 (umh), 9 (iter), 10 (tesa) [7, 8, 10 are x264 specific, 9 is snow specific]
|
| - * - encoding: MUST be set by user.
|
| - * - decoding: unused
|
| - */
|
| - int me_method;
|
| -
|
| - /**
|
| - * some codecs need / can use extradata like Huffman tables.
|
| - * mjpeg: Huffman tables
|
| - * rv10: additional flags
|
| - * mpeg4: global headers (they can be in the bitstream or here)
|
| - * The allocated memory should be FF_INPUT_BUFFER_PADDING_SIZE bytes larger
|
| - * than extradata_size to avoid prolems if it is read with the bitstream reader.
|
| - * The bytewise contents of extradata must not depend on the architecture or CPU endianness.
|
| - * - encoding: Set/allocated/freed by libavcodec.
|
| - * - decoding: Set/allocated/freed by user.
|
| - */
|
| - uint8_t *extradata;
|
| - int extradata_size;
|
| -
|
| - /**
|
| - * This is the fundamental unit of time (in seconds) in terms
|
| - * of which frame timestamps are represented. For fixed-fps content,
|
| - * timebase should be 1/framerate and timestamp increments should be
|
| - * identically 1.
|
| - * - encoding: MUST be set by user.
|
| - * - decoding: Set by libavcodec.
|
| - */
|
| - AVRational time_base;
|
| -
|
| - /* video only */
|
| - /**
|
| - * picture width / height.
|
| - * - encoding: MUST be set by user.
|
| - * - decoding: Set by libavcodec.
|
| - * Note: For compatibility it is possible to set this instead of
|
| - * coded_width/height before decoding.
|
| - */
|
| - int width, height;
|
| -
|
| -#define FF_ASPECT_EXTENDED 15
|
| -
|
| - /**
|
| - * the number of pictures in a group of pictures, or 0 for intra_only
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int gop_size;
|
| -
|
| - /**
|
| - * Pixel format, see PIX_FMT_xxx.
|
| - * - encoding: Set by user.
|
| - * - decoding: Set by libavcodec.
|
| - */
|
| - enum PixelFormat pix_fmt;
|
| -
|
| - /**
|
| - * Frame rate emulation. If not zero, the lower layer (i.e. format handler)
|
| - * has to read frames at native frame rate.
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int rate_emu;
|
| -
|
| - /**
|
| - * If non NULL, 'draw_horiz_band' is called by the libavcodec
|
| - * decoder to draw a horizontal band. It improves cache usage. Not
|
| - * all codecs can do that. You must check the codec capabilities
|
| - * beforehand. May be called by different threads at the same time.
|
| - * The function is also used by hardware acceleration APIs.
|
| - * It is called at least once during frame decoding to pass
|
| - * the data needed for hardware render.
|
| - * In that mode instead of pixel data, AVFrame points to
|
| - * a structure specific to the acceleration API. The application
|
| - * reads the structure and can change some fields to indicate progress
|
| - * or mark state.
|
| - * - encoding: unused
|
| - * - decoding: Set by user.
|
| - * @param height the height of the slice
|
| - * @param y the y position of the slice
|
| - * @param type 1->top field, 2->bottom field, 3->frame
|
| - * @param offset offset into the AVFrame.data from which the slice should be read
|
| - */
|
| - void (*draw_horiz_band)(struct AVCodecContext *s,
|
| - const AVFrame *src, int offset[4],
|
| - int y, int type, int height);
|
| -
|
| - /* audio only */
|
| - int sample_rate; ///< samples per second
|
| - int channels; ///< number of audio channels
|
| -
|
| - /**
|
| - * audio sample format
|
| - * - encoding: Set by user.
|
| - * - decoding: Set by libavcodec.
|
| - */
|
| - enum SampleFormat sample_fmt; ///< sample format, currently unused
|
| -
|
| - /* The following data should not be initialized. */
|
| - /**
|
| - * Samples per packet, initialized when calling 'init'.
|
| - */
|
| - int frame_size;
|
| - int frame_number; ///< Number of audio or video frames returned so far
|
| - int real_pict_num; ///< Returns the real picture number of previous encoded frame.
|
| -
|
| - /**
|
| - * Number of frames the decoded output will be delayed relative to
|
| - * the encoded input.
|
| - * - encoding: Set by libavcodec.
|
| - * - decoding: unused
|
| - */
|
| - int delay;
|
| -
|
| - /* - encoding parameters */
|
| - float qcompress; ///< amount of qscale change between easy & hard scenes (0.0-1.0)
|
| - float qblur; ///< amount of qscale smoothing over time (0.0-1.0)
|
| -
|
| - /**
|
| - * minimum quantizer
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int qmin;
|
| -
|
| - /**
|
| - * maximum quantizer
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int qmax;
|
| -
|
| - /**
|
| - * maximum quantizer difference between frames
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int max_qdiff;
|
| -
|
| - /**
|
| - * maximum number of B-frames between non-B-frames
|
| - * Note: The output will be delayed by max_b_frames+1 relative to the input.
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int max_b_frames;
|
| -
|
| - /**
|
| - * qscale factor between IP and B-frames
|
| - * If > 0 then the last P-frame quantizer will be used (q= lastp_q*factor+offset).
|
| - * If < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset).
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - float b_quant_factor;
|
| -
|
| - /** obsolete FIXME remove */
|
| - int rc_strategy;
|
| -#define FF_RC_STRATEGY_XVID 1
|
| -
|
| - int b_frame_strategy;
|
| -
|
| - /**
|
| - * hurry up amount
|
| - * - encoding: unused
|
| - * - decoding: Set by user. 1-> Skip B-frames, 2-> Skip IDCT/dequant too, 5-> Skip everything except header
|
| - * @deprecated Deprecated in favor of skip_idct and skip_frame.
|
| - */
|
| - int hurry_up;
|
| -
|
| - struct AVCodec *codec;
|
| -
|
| - void *priv_data;
|
| -
|
| - int rtp_payload_size; /* The size of the RTP payload: the coder will */
|
| - /* do its best to deliver a chunk with size */
|
| - /* below rtp_payload_size, the chunk will start */
|
| - /* with a start code on some codecs like H.263. */
|
| - /* This doesn't take account of any particular */
|
| - /* headers inside the transmitted RTP payload. */
|
| -
|
| -
|
| - /* The RTP callback: This function is called */
|
| - /* every time the encoder has a packet to send. */
|
| - /* It depends on the encoder if the data starts */
|
| - /* with a Start Code (it should). H.263 does. */
|
| - /* mb_nb contains the number of macroblocks */
|
| - /* encoded in the RTP payload. */
|
| - void (*rtp_callback)(struct AVCodecContext *avctx, void *data, int size, int mb_nb);
|
| -
|
| - /* statistics, used for 2-pass encoding */
|
| - int mv_bits;
|
| - int header_bits;
|
| - int i_tex_bits;
|
| - int p_tex_bits;
|
| - int i_count;
|
| - int p_count;
|
| - int skip_count;
|
| - int misc_bits;
|
| -
|
| - /**
|
| - * number of bits used for the previously encoded frame
|
| - * - encoding: Set by libavcodec.
|
| - * - decoding: unused
|
| - */
|
| - int frame_bits;
|
| -
|
| - /**
|
| - * Private data of the user, can be used to carry app specific stuff.
|
| - * - encoding: Set by user.
|
| - * - decoding: Set by user.
|
| - */
|
| - void *opaque;
|
| -
|
| - char codec_name[32];
|
| - enum CodecType codec_type; /* see CODEC_TYPE_xxx */
|
| - enum CodecID codec_id; /* see CODEC_ID_xxx */
|
| -
|
| - /**
|
| - * fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
|
| - * This is used to work around some encoder bugs.
|
| - * A demuxer should set this to what is stored in the field used to identify the codec.
|
| - * If there are multiple such fields in a container then the demuxer should choose the one
|
| - * which maximizes the information about the used codec.
|
| - * If the codec tag field in a container is larger then 32 bits then the demuxer should
|
| - * remap the longer ID to 32 bits with a table or other structure. Alternatively a new
|
| - * extra_codec_tag + size could be added but for this a clear advantage must be demonstrated
|
| - * first.
|
| - * - encoding: Set by user, if not then the default based on codec_id will be used.
|
| - * - decoding: Set by user, will be converted to uppercase by libavcodec during init.
|
| - */
|
| - unsigned int codec_tag;
|
| -
|
| - /**
|
| - * Work around bugs in encoders which sometimes cannot be detected automatically.
|
| - * - encoding: Set by user
|
| - * - decoding: Set by user
|
| - */
|
| - int workaround_bugs;
|
| -#define FF_BUG_AUTODETECT 1 ///< autodetection
|
| -#define FF_BUG_OLD_MSMPEG4 2
|
| -#define FF_BUG_XVID_ILACE 4
|
| -#define FF_BUG_UMP4 8
|
| -#define FF_BUG_NO_PADDING 16
|
| -#define FF_BUG_AMV 32
|
| -#define FF_BUG_AC_VLC 0 ///< Will be removed, libavcodec can now handle these non-compliant files by default.
|
| -#define FF_BUG_QPEL_CHROMA 64
|
| -#define FF_BUG_STD_QPEL 128
|
| -#define FF_BUG_QPEL_CHROMA2 256
|
| -#define FF_BUG_DIRECT_BLOCKSIZE 512
|
| -#define FF_BUG_EDGE 1024
|
| -#define FF_BUG_HPEL_CHROMA 2048
|
| -#define FF_BUG_DC_CLIP 4096
|
| -#define FF_BUG_MS 8192 ///< Work around various bugs in Microsoft's broken decoders.
|
| -//#define FF_BUG_FAKE_SCALABILITY 16 //Autodetection should work 100%.
|
| -
|
| - /**
|
| - * luma single coefficient elimination threshold
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int luma_elim_threshold;
|
| -
|
| - /**
|
| - * chroma single coeff elimination threshold
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int chroma_elim_threshold;
|
| -
|
| - /**
|
| - * strictly follow the standard (MPEG4, ...).
|
| - * - encoding: Set by user.
|
| - * - decoding: Set by user.
|
| - * Setting this to STRICT or higher means the encoder and decoder will
|
| - * generally do stupid things. While setting it to inofficial or lower
|
| - * will mean the encoder might use things that are not supported by all
|
| - * spec compliant decoders. Decoders make no difference between normal,
|
| - * inofficial and experimental, that is they always try to decode things
|
| - * when they can unless they are explicitly asked to behave stupid
|
| - * (=strictly conform to the specs)
|
| - */
|
| - int strict_std_compliance;
|
| -#define FF_COMPLIANCE_VERY_STRICT 2 ///< Strictly conform to a older more strict version of the spec or reference software.
|
| -#define FF_COMPLIANCE_STRICT 1 ///< Strictly conform to all the things in the spec no matter what consequences.
|
| -#define FF_COMPLIANCE_NORMAL 0
|
| -#define FF_COMPLIANCE_INOFFICIAL -1 ///< Allow inofficial extensions.
|
| -#define FF_COMPLIANCE_EXPERIMENTAL -2 ///< Allow nonstandardized experimental things.
|
| -
|
| - /**
|
| - * qscale offset between IP and B-frames
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - float b_quant_offset;
|
| -
|
| - /**
|
| - * Error recognization; higher values will detect more errors but may
|
| - * misdetect some more or less valid parts as errors.
|
| - * - encoding: unused
|
| - * - decoding: Set by user.
|
| - */
|
| - int error_recognition;
|
| -#define FF_ER_CAREFUL 1
|
| -#define FF_ER_COMPLIANT 2
|
| -#define FF_ER_AGGRESSIVE 3
|
| -#define FF_ER_VERY_AGGRESSIVE 4
|
| -
|
| - /**
|
| - * Called at the beginning of each frame to get a buffer for it.
|
| - * If pic.reference is set then the frame will be read later by libavcodec.
|
| - * avcodec_align_dimensions() should be used to find the required width and
|
| - * height, as they normally need to be rounded up to the next multiple of 16.
|
| - * May be called by different threads if frame threading is enabled, but not
|
| - * by more than one at the same time.
|
| - * - encoding: unused
|
| - * - decoding: Set by libavcodec., user can override.
|
| - */
|
| - int (*get_buffer)(struct AVCodecContext *c, AVFrame *pic);
|
| -
|
| - /**
|
| - * Called to release buffers which were allocated with get_buffer.
|
| - * A released buffer can be reused in get_buffer().
|
| - * pic.data[*] must be set to NULL. May be called by different threads
|
| - * if frame threading is enabled, but not more than one at the same time.
|
| - *
|
| - * - encoding: unused
|
| - * - decoding: Set by libavcodec., user can override.
|
| - */
|
| - void (*release_buffer)(struct AVCodecContext *c, AVFrame *pic);
|
| -
|
| - /**
|
| - * Size of the frame reordering buffer in the decoder.
|
| - * For MPEG-2 it is 1 IPB or 0 low delay IP.
|
| - * - encoding: Set by libavcodec.
|
| - * - decoding: Set by libavcodec.
|
| - */
|
| - int has_b_frames;
|
| -
|
| - /**
|
| - * number of bytes per packet if constant and known or 0
|
| - * Used by some WAV based audio codecs.
|
| - */
|
| - int block_align;
|
| -
|
| - int parse_only; /* - decoding only: If true, only parsing is done
|
| - (function avcodec_parse_frame()). The frame
|
| - data is returned. Only MPEG codecs support this now. */
|
| -
|
| - /**
|
| - * 0-> h263 quant 1-> mpeg quant
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int mpeg_quant;
|
| -
|
| - /**
|
| - * pass1 encoding statistics output buffer
|
| - * - encoding: Set by libavcodec.
|
| - * - decoding: unused
|
| - */
|
| - char *stats_out;
|
| -
|
| - /**
|
| - * pass2 encoding statistics input buffer
|
| - * Concatenated stuff from stats_out of pass1 should be placed here.
|
| - * - encoding: Allocated/set/freed by user.
|
| - * - decoding: unused
|
| - */
|
| - char *stats_in;
|
| -
|
| - /**
|
| - * ratecontrol qmin qmax limiting method
|
| - * 0-> clipping, 1-> use a nice continous function to limit qscale wthin qmin/qmax.
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - float rc_qsquish;
|
| -
|
| - float rc_qmod_amp;
|
| - int rc_qmod_freq;
|
| -
|
| - /**
|
| - * ratecontrol override, see RcOverride
|
| - * - encoding: Allocated/set/freed by user.
|
| - * - decoding: unused
|
| - */
|
| - RcOverride *rc_override;
|
| - int rc_override_count;
|
| -
|
| - /**
|
| - * rate control equation
|
| - * - encoding: Set by user
|
| - * - decoding: unused
|
| - */
|
| - const char *rc_eq;
|
| -
|
| - /**
|
| - * maximum bitrate
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int rc_max_rate;
|
| -
|
| - /**
|
| - * minimum bitrate
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int rc_min_rate;
|
| -
|
| - /**
|
| - * decoder bitstream buffer size
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int rc_buffer_size;
|
| - float rc_buffer_aggressivity;
|
| -
|
| - /**
|
| - * qscale factor between P and I-frames
|
| - * If > 0 then the last p frame quantizer will be used (q= lastp_q*factor+offset).
|
| - * If < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset).
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - float i_quant_factor;
|
| -
|
| - /**
|
| - * qscale offset between P and I-frames
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - float i_quant_offset;
|
| -
|
| - /**
|
| - * initial complexity for pass1 ratecontrol
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - float rc_initial_cplx;
|
| -
|
| - /**
|
| - * DCT algorithm, see FF_DCT_* below
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int dct_algo;
|
| -#define FF_DCT_AUTO 0
|
| -#define FF_DCT_FASTINT 1
|
| -#define FF_DCT_INT 2
|
| -#define FF_DCT_MMX 3
|
| -#define FF_DCT_MLIB 4
|
| -#define FF_DCT_ALTIVEC 5
|
| -#define FF_DCT_FAAN 6
|
| -
|
| - /**
|
| - * luminance masking (0-> disabled)
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - float lumi_masking;
|
| -
|
| - /**
|
| - * temporary complexity masking (0-> disabled)
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - float temporal_cplx_masking;
|
| -
|
| - /**
|
| - * spatial complexity masking (0-> disabled)
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - float spatial_cplx_masking;
|
| -
|
| - /**
|
| - * p block masking (0-> disabled)
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - float p_masking;
|
| -
|
| - /**
|
| - * darkness masking (0-> disabled)
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - float dark_masking;
|
| -
|
| - /**
|
| - * IDCT algorithm, see FF_IDCT_* below.
|
| - * - encoding: Set by user.
|
| - * - decoding: Set by user.
|
| - */
|
| - int idct_algo;
|
| -#define FF_IDCT_AUTO 0
|
| -#define FF_IDCT_INT 1
|
| -#define FF_IDCT_SIMPLE 2
|
| -#define FF_IDCT_SIMPLEMMX 3
|
| -#define FF_IDCT_LIBMPEG2MMX 4
|
| -#define FF_IDCT_PS2 5
|
| -#define FF_IDCT_MLIB 6
|
| -#define FF_IDCT_ARM 7
|
| -#define FF_IDCT_ALTIVEC 8
|
| -#define FF_IDCT_SH4 9
|
| -#define FF_IDCT_SIMPLEARM 10
|
| -#define FF_IDCT_H264 11
|
| -#define FF_IDCT_VP3 12
|
| -#define FF_IDCT_IPP 13
|
| -#define FF_IDCT_XVIDMMX 14
|
| -#define FF_IDCT_CAVS 15
|
| -#define FF_IDCT_SIMPLEARMV5TE 16
|
| -#define FF_IDCT_SIMPLEARMV6 17
|
| -#define FF_IDCT_SIMPLEVIS 18
|
| -#define FF_IDCT_WMV2 19
|
| -#define FF_IDCT_FAAN 20
|
| -#define FF_IDCT_EA 21
|
| -#define FF_IDCT_SIMPLENEON 22
|
| -#define FF_IDCT_SIMPLEALPHA 23
|
| -
|
| - /**
|
| - * slice count
|
| - * - encoding: Set by libavcodec.
|
| - * - decoding: Set by user (or 0).
|
| - */
|
| - int slice_count;
|
| - /**
|
| - * slice offsets in the frame in bytes
|
| - * - encoding: Set/allocated by libavcodec.
|
| - * - decoding: Set/allocated by user (or NULL).
|
| - */
|
| - int *slice_offset;
|
| -
|
| - /**
|
| - * error concealment flags
|
| - * - encoding: unused
|
| - * - decoding: Set by user.
|
| - */
|
| - int error_concealment;
|
| -#define FF_EC_GUESS_MVS 1
|
| -#define FF_EC_DEBLOCK 2
|
| -
|
| - /**
|
| - * dsp_mask could be add used to disable unwanted CPU features
|
| - * CPU features (i.e. MMX, SSE. ...)
|
| - *
|
| - * With the FORCE flag you may instead enable given CPU features.
|
| - * (Dangerous: Usable in case of misdetection, improper usage however will
|
| - * result into program crash.)
|
| - */
|
| - unsigned dsp_mask;
|
| -#define FF_MM_FORCE 0x80000000 /* Force usage of selected flags (OR) */
|
| - /* lower 16 bits - CPU features */
|
| -#define FF_MM_MMX 0x0001 ///< standard MMX
|
| -#define FF_MM_3DNOW 0x0004 ///< AMD 3DNOW
|
| -#if LIBAVCODEC_VERSION_MAJOR < 53
|
| -#define FF_MM_MMXEXT 0x0002 ///< SSE integer functions or AMD MMX ext
|
| -#endif
|
| -#define FF_MM_MMX2 0x0002 ///< SSE integer functions or AMD MMX ext
|
| -#define FF_MM_SSE 0x0008 ///< SSE functions
|
| -#define FF_MM_SSE2 0x0010 ///< PIV SSE2 functions
|
| -#define FF_MM_3DNOWEXT 0x0020 ///< AMD 3DNowExt
|
| -#define FF_MM_SSE3 0x0040 ///< Prescott SSE3 functions
|
| -#define FF_MM_SSSE3 0x0080 ///< Conroe SSSE3 functions
|
| -#define FF_MM_SSE4 0x0100 ///< Penryn SSE4.1 functions
|
| -#define FF_MM_SSE42 0x0200 ///< Nehalem SSE4.2 functions
|
| -#define FF_MM_IWMMXT 0x0100 ///< XScale IWMMXT
|
| -#define FF_MM_ALTIVEC 0x0001 ///< standard AltiVec
|
| -
|
| - /**
|
| - * bits per sample/pixel from the demuxer (needed for huffyuv).
|
| - * - encoding: Set by libavcodec.
|
| - * - decoding: Set by user.
|
| - */
|
| - int bits_per_coded_sample;
|
| -
|
| - /**
|
| - * prediction method (needed for huffyuv)
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int prediction_method;
|
| -#define FF_PRED_LEFT 0
|
| -#define FF_PRED_PLANE 1
|
| -#define FF_PRED_MEDIAN 2
|
| -
|
| - /**
|
| - * sample aspect ratio (0 if unknown)
|
| - * That is the width of a pixel divided by the height of the pixel.
|
| - * Numerator and denominator must be relatively prime and smaller than 256 for some video standards.
|
| - * - encoding: Set by user.
|
| - * - decoding: Set by libavcodec.
|
| - */
|
| - AVRational sample_aspect_ratio;
|
| -
|
| - /**
|
| - * the picture in the bitstream
|
| - * - encoding: Set by libavcodec.
|
| - * - decoding: Set by libavcodec.
|
| - */
|
| - AVFrame *coded_frame;
|
| -
|
| - /**
|
| - * debug
|
| - * - encoding: Set by user.
|
| - * - decoding: Set by user.
|
| - */
|
| - int debug;
|
| -#define FF_DEBUG_PICT_INFO 1
|
| -#define FF_DEBUG_RC 2
|
| -#define FF_DEBUG_BITSTREAM 4
|
| -#define FF_DEBUG_MB_TYPE 8
|
| -#define FF_DEBUG_QP 16
|
| -#define FF_DEBUG_MV 32
|
| -#define FF_DEBUG_DCT_COEFF 0x00000040
|
| -#define FF_DEBUG_SKIP 0x00000080
|
| -#define FF_DEBUG_STARTCODE 0x00000100
|
| -#define FF_DEBUG_PTS 0x00000200
|
| -#define FF_DEBUG_ER 0x00000400
|
| -#define FF_DEBUG_MMCO 0x00000800
|
| -#define FF_DEBUG_BUGS 0x00001000
|
| -#define FF_DEBUG_VIS_QP 0x00002000
|
| -#define FF_DEBUG_VIS_MB_TYPE 0x00004000
|
| -#define FF_DEBUG_BUFFERS 0x00008000
|
| -
|
| - /**
|
| - * debug
|
| - * - encoding: Set by user.
|
| - * - decoding: Set by user.
|
| - */
|
| - int debug_mv;
|
| -#define FF_DEBUG_VIS_MV_P_FOR 0x00000001 //visualize forward predicted MVs of P frames
|
| -#define FF_DEBUG_VIS_MV_B_FOR 0x00000002 //visualize forward predicted MVs of B frames
|
| -#define FF_DEBUG_VIS_MV_B_BACK 0x00000004 //visualize backward predicted MVs of B frames
|
| -
|
| - /**
|
| - * error
|
| - * - encoding: Set by libavcodec if flags&CODEC_FLAG_PSNR.
|
| - * - decoding: unused
|
| - */
|
| - uint64_t error[4];
|
| -
|
| - /**
|
| - * minimum MB quantizer
|
| - * - encoding: unused
|
| - * - decoding: unused
|
| - */
|
| - int mb_qmin;
|
| -
|
| - /**
|
| - * maximum MB quantizer
|
| - * - encoding: unused
|
| - * - decoding: unused
|
| - */
|
| - int mb_qmax;
|
| -
|
| - /**
|
| - * motion estimation comparison function
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int me_cmp;
|
| - /**
|
| - * subpixel motion estimation comparison function
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int me_sub_cmp;
|
| - /**
|
| - * macroblock comparison function (not supported yet)
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int mb_cmp;
|
| - /**
|
| - * interlaced DCT comparison function
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int ildct_cmp;
|
| -#define FF_CMP_SAD 0
|
| -#define FF_CMP_SSE 1
|
| -#define FF_CMP_SATD 2
|
| -#define FF_CMP_DCT 3
|
| -#define FF_CMP_PSNR 4
|
| -#define FF_CMP_BIT 5
|
| -#define FF_CMP_RD 6
|
| -#define FF_CMP_ZERO 7
|
| -#define FF_CMP_VSAD 8
|
| -#define FF_CMP_VSSE 9
|
| -#define FF_CMP_NSSE 10
|
| -#define FF_CMP_W53 11
|
| -#define FF_CMP_W97 12
|
| -#define FF_CMP_DCTMAX 13
|
| -#define FF_CMP_DCT264 14
|
| -#define FF_CMP_CHROMA 256
|
| -
|
| - /**
|
| - * ME diamond size & shape
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int dia_size;
|
| -
|
| - /**
|
| - * amount of previous MV predictors (2a+1 x 2a+1 square)
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int last_predictor_count;
|
| -
|
| - /**
|
| - * prepass for motion estimation
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int pre_me;
|
| -
|
| - /**
|
| - * motion estimation prepass comparison function
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int me_pre_cmp;
|
| -
|
| - /**
|
| - * ME prepass diamond size & shape
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int pre_dia_size;
|
| -
|
| - /**
|
| - * subpel ME quality
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int me_subpel_quality;
|
| -
|
| - /**
|
| - * callback to negotiate the pixelFormat
|
| - * @param fmt is the list of formats which are supported by the codec,
|
| - * it is terminated by -1 as 0 is a valid format, the formats are ordered by quality.
|
| - * The first is always the native one.
|
| - * @return the chosen format
|
| - * - encoding: unused
|
| - * - decoding: Set by user, if not set the native format will be chosen.
|
| - */
|
| - enum PixelFormat (*get_format)(struct AVCodecContext *s, const enum PixelFormat * fmt);
|
| -
|
| - /**
|
| - * DTG active format information (additional aspect ratio
|
| - * information only used in DVB MPEG-2 transport streams)
|
| - * 0 if not set.
|
| - *
|
| - * - encoding: unused
|
| - * - decoding: Set by decoder.
|
| - */
|
| - int dtg_active_format;
|
| -#define FF_DTG_AFD_SAME 8
|
| -#define FF_DTG_AFD_4_3 9
|
| -#define FF_DTG_AFD_16_9 10
|
| -#define FF_DTG_AFD_14_9 11
|
| -#define FF_DTG_AFD_4_3_SP_14_9 13
|
| -#define FF_DTG_AFD_16_9_SP_14_9 14
|
| -#define FF_DTG_AFD_SP_4_3 15
|
| -
|
| - /**
|
| - * maximum motion estimation search range in subpel units
|
| - * If 0 then no limit.
|
| - *
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int me_range;
|
| -
|
| - /**
|
| - * intra quantizer bias
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int intra_quant_bias;
|
| -#define FF_DEFAULT_QUANT_BIAS 999999
|
| -
|
| - /**
|
| - * inter quantizer bias
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int inter_quant_bias;
|
| -
|
| - /**
|
| - * color table ID
|
| - * - encoding: unused
|
| - * - decoding: Which clrtable should be used for 8bit RGB images.
|
| - * Tables have to be stored somewhere. FIXME
|
| - */
|
| - int color_table_id;
|
| -
|
| - /**
|
| - * internal_buffer count
|
| - * Don't touch, used by libavcodec default_get_buffer().
|
| - */
|
| - int internal_buffer_count;
|
| -
|
| - /**
|
| - * internal_buffers
|
| - * Don't touch, used by libavcodec default_get_buffer().
|
| - */
|
| - void *internal_buffer;
|
| -
|
| -#define FF_LAMBDA_SHIFT 7
|
| -#define FF_LAMBDA_SCALE (1<<FF_LAMBDA_SHIFT)
|
| -#define FF_QP2LAMBDA 118 ///< factor to convert from H.263 QP to lambda
|
| -#define FF_LAMBDA_MAX (256*128-1)
|
| -
|
| -#define FF_QUALITY_SCALE FF_LAMBDA_SCALE //FIXME maybe remove
|
| - /**
|
| - * Global quality for codecs which cannot change it per frame.
|
| - * This should be proportional to MPEG-1/2/4 qscale.
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int global_quality;
|
| -
|
| -#define FF_CODER_TYPE_VLC 0
|
| -#define FF_CODER_TYPE_AC 1
|
| -#define FF_CODER_TYPE_RAW 2
|
| -#define FF_CODER_TYPE_RLE 3
|
| -#define FF_CODER_TYPE_DEFLATE 4
|
| - /**
|
| - * coder type
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int coder_type;
|
| -
|
| - /**
|
| - * context model
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int context_model;
|
| -#if 0
|
| - /**
|
| - *
|
| - * - encoding: unused
|
| - * - decoding: Set by user.
|
| - */
|
| - uint8_t * (*realloc)(struct AVCodecContext *s, uint8_t *buf, int buf_size);
|
| -#endif
|
| -
|
| - /**
|
| - * slice flags
|
| - * - encoding: unused
|
| - * - decoding: Set by user.
|
| - */
|
| - int slice_flags;
|
| -#define SLICE_FLAG_CODED_ORDER 0x0001 ///< draw_horiz_band() is called in coded order instead of display
|
| -#define SLICE_FLAG_ALLOW_FIELD 0x0002 ///< allow draw_horiz_band() with field slices (MPEG2 field pics)
|
| -#define SLICE_FLAG_ALLOW_PLANE 0x0004 ///< allow draw_horiz_band() with 1 component at a time (SVQ1)
|
| -
|
| - /**
|
| - * XVideo Motion Acceleration
|
| - * - encoding: forbidden
|
| - * - decoding: set by decoder
|
| - */
|
| - int xvmc_acceleration;
|
| -
|
| - /**
|
| - * macroblock decision mode
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int mb_decision;
|
| -#define FF_MB_DECISION_SIMPLE 0 ///< uses mb_cmp
|
| -#define FF_MB_DECISION_BITS 1 ///< chooses the one which needs the fewest bits
|
| -#define FF_MB_DECISION_RD 2 ///< rate distortion
|
| -
|
| - /**
|
| - * custom intra quantization matrix
|
| - * - encoding: Set by user, can be NULL.
|
| - * - decoding: Set by libavcodec.
|
| - */
|
| - uint16_t *intra_matrix;
|
| -
|
| - /**
|
| - * custom inter quantization matrix
|
| - * - encoding: Set by user, can be NULL.
|
| - * - decoding: Set by libavcodec.
|
| - */
|
| - uint16_t *inter_matrix;
|
| -
|
| - /**
|
| - * fourcc from the AVI stream header (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
|
| - * This is used to work around some encoder bugs.
|
| - * - encoding: unused
|
| - * - decoding: Set by user, will be converted to uppercase by libavcodec during init.
|
| - */
|
| - unsigned int stream_codec_tag;
|
| -
|
| - /**
|
| - * scene change detection threshold
|
| - * 0 is default, larger means fewer detected scene changes.
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int scenechange_threshold;
|
| -
|
| - /**
|
| - * minimum Lagrange multipler
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int lmin;
|
| -
|
| - /**
|
| - * maximum Lagrange multipler
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int lmax;
|
| -
|
| - /**
|
| - * palette control structure
|
| - * - encoding: ??? (no palette-enabled encoder yet)
|
| - * - decoding: Set by user.
|
| - */
|
| - struct AVPaletteControl *palctrl;
|
| -
|
| - /**
|
| - * noise reduction strength
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int noise_reduction;
|
| -
|
| - /**
|
| - * Called at the beginning of a frame to get cr buffer for it.
|
| - * Buffer type (size, hints) must be the same. libavcodec won't check it.
|
| - * libavcodec will pass previous buffer in pic, function should return
|
| - * same buffer or new buffer with old frame "painted" into it.
|
| - * If pic.data[0] == NULL must behave like get_buffer().
|
| - * - encoding: unused
|
| - * - decoding: Set by libavcodec., user can override
|
| - */
|
| - int (*reget_buffer)(struct AVCodecContext *c, AVFrame *pic);
|
| -
|
| - /**
|
| - * Number of bits which should be loaded into the rc buffer before decoding starts.
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int rc_initial_buffer_occupancy;
|
| -
|
| - /**
|
| - *
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int inter_threshold;
|
| -
|
| - /**
|
| - * CODEC_FLAG2_*
|
| - * - encoding: Set by user.
|
| - * - decoding: Set by user.
|
| - */
|
| - int flags2;
|
| -
|
| - /**
|
| - * Simulates errors in the bitstream to test error concealment.
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int error_rate;
|
| -
|
| - /**
|
| - * MP3 antialias algorithm, see FF_AA_* below.
|
| - * - encoding: unused
|
| - * - decoding: Set by user.
|
| - */
|
| - int antialias_algo;
|
| -#define FF_AA_AUTO 0
|
| -#define FF_AA_FASTINT 1 //not implemented yet
|
| -#define FF_AA_INT 2
|
| -#define FF_AA_FLOAT 3
|
| - /**
|
| - * quantizer noise shaping
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int quantizer_noise_shaping;
|
| -
|
| - /**
|
| - * thread count
|
| - * is used to decide how many independent tasks should be passed to execute()
|
| - * - encoding: Set by user.
|
| - * - decoding: Set by user.
|
| - */
|
| - int thread_count;
|
| -
|
| - /**
|
| - * The codec may call this to execute several independent things.
|
| - * It will return only after finishing all tasks.
|
| - * The user may replace this with some multithreaded implementation,
|
| - * the default implementation will execute the parts serially.
|
| - * @param count the number of things to execute
|
| - * - encoding: Set by libavcodec, user can override.
|
| - * - decoding: Set by libavcodec, user can override.
|
| - */
|
| - int (*execute)(struct AVCodecContext *c, int (*func)(struct AVCodecContext *c2, void *arg), void *arg2, int *ret, int count, int size);
|
| -
|
| - /**
|
| - * thread opaque
|
| - * Can be used by execute() to store some per AVCodecContext stuff.
|
| - * - encoding: set by execute()
|
| - * - decoding: set by execute()
|
| - */
|
| - void *thread_opaque;
|
| -
|
| - /**
|
| - * Motion estimation threshold below which no motion estimation is
|
| - * performed, but instead the user specified motion vectors are used.
|
| - *
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int me_threshold;
|
| -
|
| - /**
|
| - * Macroblock threshold below which the user specified macroblock types will be used.
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int mb_threshold;
|
| -
|
| - /**
|
| - * precision of the intra DC coefficient - 8
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int intra_dc_precision;
|
| -
|
| - /**
|
| - * noise vs. sse weight for the nsse comparsion function
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int nsse_weight;
|
| -
|
| - /**
|
| - * Number of macroblock rows at the top which are skipped.
|
| - * - encoding: unused
|
| - * - decoding: Set by user.
|
| - */
|
| - int skip_top;
|
| -
|
| - /**
|
| - * Number of macroblock rows at the bottom which are skipped.
|
| - * - encoding: unused
|
| - * - decoding: Set by user.
|
| - */
|
| - int skip_bottom;
|
| -
|
| - /**
|
| - * profile
|
| - * - encoding: Set by user.
|
| - * - decoding: Set by libavcodec.
|
| - */
|
| - int profile;
|
| -#define FF_PROFILE_UNKNOWN -99
|
| -#define FF_PROFILE_AAC_MAIN 0
|
| -#define FF_PROFILE_AAC_LOW 1
|
| -#define FF_PROFILE_AAC_SSR 2
|
| -#define FF_PROFILE_AAC_LTP 3
|
| -
|
| - /**
|
| - * level
|
| - * - encoding: Set by user.
|
| - * - decoding: Set by libavcodec.
|
| - */
|
| - int level;
|
| -#define FF_LEVEL_UNKNOWN -99
|
| -
|
| - /**
|
| - * low resolution decoding, 1-> 1/2 size, 2->1/4 size
|
| - * - encoding: unused
|
| - * - decoding: Set by user.
|
| - */
|
| - int lowres;
|
| -
|
| - /**
|
| - * Bitstream width / height, may be different from width/height if lowres
|
| - * or other things are used.
|
| - * - encoding: unused
|
| - * - decoding: Set by user before init if known. Codec should override / dynamically change if needed.
|
| - */
|
| - int coded_width, coded_height;
|
| -
|
| - /**
|
| - * frame skip threshold
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int frame_skip_threshold;
|
| -
|
| - /**
|
| - * frame skip factor
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int frame_skip_factor;
|
| -
|
| - /**
|
| - * frame skip exponent
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int frame_skip_exp;
|
| -
|
| - /**
|
| - * frame skip comparison function
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int frame_skip_cmp;
|
| -
|
| - /**
|
| - * Border processing masking, raises the quantizer for mbs on the borders
|
| - * of the picture.
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - float border_masking;
|
| -
|
| - /**
|
| - * minimum MB lagrange multipler
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int mb_lmin;
|
| -
|
| - /**
|
| - * maximum MB lagrange multipler
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int mb_lmax;
|
| -
|
| - /**
|
| - *
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int me_penalty_compensation;
|
| -
|
| - /**
|
| - *
|
| - * - encoding: unused
|
| - * - decoding: Set by user.
|
| - */
|
| - enum AVDiscard skip_loop_filter;
|
| -
|
| - /**
|
| - *
|
| - * - encoding: unused
|
| - * - decoding: Set by user.
|
| - */
|
| - enum AVDiscard skip_idct;
|
| -
|
| - /**
|
| - *
|
| - * - encoding: unused
|
| - * - decoding: Set by user.
|
| - */
|
| - enum AVDiscard skip_frame;
|
| -
|
| - /**
|
| - *
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int bidir_refine;
|
| -
|
| - /**
|
| - *
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int brd_scale;
|
| -
|
| - /**
|
| - * constant rate factor - quality-based VBR - values ~correspond to qps
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - float crf;
|
| -
|
| - /**
|
| - * constant quantization parameter rate control method
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int cqp;
|
| -
|
| - /**
|
| - * minimum GOP size
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int keyint_min;
|
| -
|
| - /**
|
| - * number of reference frames
|
| - * - encoding: Set by user.
|
| - * - decoding: Set by lavc.
|
| - */
|
| - int refs;
|
| -
|
| - /**
|
| - * chroma qp offset from luma
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int chromaoffset;
|
| -
|
| - /**
|
| - * Influences how often B-frames are used.
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int bframebias;
|
| -
|
| - /**
|
| - * trellis RD quantization
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int trellis;
|
| -
|
| - /**
|
| - * Reduce fluctuations in qp (before curve compression).
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - float complexityblur;
|
| -
|
| - /**
|
| - * in-loop deblocking filter alphac0 parameter
|
| - * alpha is in the range -6...6
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int deblockalpha;
|
| -
|
| - /**
|
| - * in-loop deblocking filter beta parameter
|
| - * beta is in the range -6...6
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int deblockbeta;
|
| -
|
| - /**
|
| - * macroblock subpartition sizes to consider - p8x8, p4x4, b8x8, i8x8, i4x4
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int partitions;
|
| -#define X264_PART_I4X4 0x001 /* Analyze i4x4 */
|
| -#define X264_PART_I8X8 0x002 /* Analyze i8x8 (requires 8x8 transform) */
|
| -#define X264_PART_P8X8 0x010 /* Analyze p16x8, p8x16 and p8x8 */
|
| -#define X264_PART_P4X4 0x020 /* Analyze p8x4, p4x8, p4x4 */
|
| -#define X264_PART_B8X8 0x100 /* Analyze b16x8, b8x16 and b8x8 */
|
| -
|
| - /**
|
| - * direct MV prediction mode - 0 (none), 1 (spatial), 2 (temporal), 3 (auto)
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int directpred;
|
| -
|
| - /**
|
| - * Audio cutoff bandwidth (0 means "automatic")
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int cutoff;
|
| -
|
| - /**
|
| - * Multiplied by qscale for each frame and added to scene_change_score.
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int scenechange_factor;
|
| -
|
| - /**
|
| - *
|
| - * Note: Value depends upon the compare function used for fullpel ME.
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int mv0_threshold;
|
| -
|
| - /**
|
| - * Adjusts sensitivity of b_frame_strategy 1.
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int b_sensitivity;
|
| -
|
| - /**
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int compression_level;
|
| -#define FF_COMPRESSION_DEFAULT -1
|
| -
|
| - /**
|
| - * Sets whether to use LPC mode - used by FLAC encoder.
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int use_lpc;
|
| -
|
| - /**
|
| - * LPC coefficient precision - used by FLAC encoder
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int lpc_coeff_precision;
|
| -
|
| - /**
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int min_prediction_order;
|
| -
|
| - /**
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int max_prediction_order;
|
| -
|
| - /**
|
| - * search method for selecting prediction order
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int prediction_order_method;
|
| -
|
| - /**
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int min_partition_order;
|
| -
|
| - /**
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int max_partition_order;
|
| -
|
| - /**
|
| - * GOP timecode frame start number, in non drop frame format
|
| - * - encoding: Set by user.
|
| - * - decoding: unused
|
| - */
|
| - int64_t timecode_frame_start;
|
| -
|
| -#if LIBAVCODEC_VERSION_MAJOR < 53
|
| - /**
|
| - * Decoder should decode to this many channels if it can (0 for default)
|
| - * - encoding: unused
|
| - * - decoding: Set by user.
|
| - * @deprecated Deprecated in favor of request_channel_layout.
|
| - */
|
| - int request_channels;
|
| -#endif
|
| -
|
| - /**
|
| - * Percentage of dynamic range compression to be applied by the decoder.
|
| - * The default value is 1.0, corresponding to full compression.
|
| - * - encoding: unused
|
| - * - decoding: Set by user.
|
| - */
|
| - float drc_scale;
|
| -
|
| - /**
|
| - * opaque 64bit number (generally a PTS) that will be reordered and
|
| - * output in AVFrame.reordered_opaque
|
| - * - encoding: unused
|
| - * - decoding: Set by user.
|
| - */
|
| - int64_t reordered_opaque;
|
| -
|
| - /**
|
| - * Bits per sample/pixel of internal libavcodec pixel/sample format.
|
| - * This field is applicable only when sample_fmt is SAMPLE_FMT_S32.
|
| - * - encoding: set by user.
|
| - * - decoding: set by libavcodec.
|
| - */
|
| - int bits_per_raw_sample;
|
| -
|
| - /**
|
| - * Audio channel layout.
|
| - * - encoding: set by user.
|
| - * - decoding: set by libavcodec.
|
| - */
|
| - int64_t channel_layout;
|
| -
|
| - /**
|
| - * Request decoder to use this channel layout if it can (0 for default)
|
| - * - encoding: unused
|
| - * - decoding: Set by user.
|
| - */
|
| - int64_t request_channel_layout;
|
| -
|
| - /**
|
| - * Ratecontrol attempt to use, at maximum, <value> of what can be used without an underflow.
|
| - * - encoding: Set by user.
|
| - * - decoding: unused.
|
| - */
|
| - float rc_max_available_vbv_use;
|
| -
|
| - /**
|
| - * Ratecontrol attempt to use, at least, <value> times the amount needed to prevent a vbv overflow.
|
| - * - encoding: Set by user.
|
| - * - decoding: unused.
|
| - */
|
| - float rc_min_vbv_overflow_use;
|
| -
|
| - /**
|
| - * Hardware accelerator in use
|
| - * - encoding: unused.
|
| - * - decoding: Set by libavcodec
|
| - */
|
| - struct AVHWAccel *hwaccel;
|
| -
|
| - /**
|
| - * For some codecs, the time base is closer to the field rate than the frame rate.
|
| - * Most notably, H.264 and MPEG-2 specify time_base as half of frame duration
|
| - * if no telecine is used ...
|
| - *
|
| - * Set to time_base ticks per frame. Default 1, e.g., H.264/MPEG-2 set it to 2.
|
| - */
|
| - int ticks_per_frame;
|
| -
|
| - /**
|
| - * Hardware accelerator context.
|
| - * For some hardware accelerators, a global context needs to be
|
| - * provided by the user. In that case, this holds display-dependent
|
| - * data FFmpeg cannot instantiate itself. Please refer to the
|
| - * FFmpeg HW accelerator documentation to know how to fill this
|
| - * is. e.g. for VA API, this is a struct vaapi_context.
|
| - * - encoding: unused
|
| - * - decoding: Set by user
|
| - */
|
| - void *hwaccel_context;
|
| -
|
| - /**
|
| - * Chromaticity coordinates of the source primaries.
|
| - * - encoding: Set by user
|
| - * - decoding: Set by libavcodec
|
| - */
|
| - enum AVColorPrimaries color_primaries;
|
| -
|
| - /**
|
| - * Color Transfer Characteristic.
|
| - * - encoding: Set by user
|
| - * - decoding: Set by libavcodec
|
| - */
|
| - enum AVColorTransferCharacteristic color_trc;
|
| -
|
| - /**
|
| - * YUV colorspace type.
|
| - * - encoding: Set by user
|
| - * - decoding: Set by libavcodec
|
| - */
|
| - enum AVColorSpace colorspace;
|
| -
|
| - /**
|
| - * MPEG vs JPEG YUV range.
|
| - * - encoding: Set by user
|
| - * - decoding: Set by libavcodec
|
| - */
|
| - enum AVColorRange color_range;
|
| -
|
| - /**
|
| - * Whether this is a copy of the context which had init() called on it.
|
| - * This is used by multithreading - shared tables and picture pointers
|
| - * should be freed from the original context only.
|
| - * - encoding: Set by libavcodec.
|
| - * - decoding: Set by libavcodec.
|
| - */
|
| - int is_copy;
|
| -
|
| - /**
|
| - * Which multithreading methods to use, for codecs that support more than one.
|
| - * - encoding: Set by user, otherwise the default is used.
|
| - * - decoding: Set by user, otherwise the default is used.
|
| - */
|
| - int thread_type;
|
| -#define FF_THREAD_FRAME 1 //< Decode more than one frame at once
|
| -#define FF_THREAD_SLICE 2 //< Decode more than one part of a single frame at once
|
| -#define FF_THREAD_DEFAULT 3 //< Use both if possible.
|
| -
|
| - /**
|
| - * Which multithreading methods are actually active at the moment.
|
| - * - encoding: Set by libavcodec.
|
| - * - decoding: Set by libavcodec.
|
| - */
|
| - int active_thread_type;
|
| -} AVCodecContext;
|
| -
|
| -/**
|
| - * AVCodec.
|
| - */
|
| -typedef struct AVCodec {
|
| - /**
|
| - * Name of the codec implementation.
|
| - * The name is globally unique among encoders and among decoders (but an
|
| - * encoder and a decoder can share the same name).
|
| - * This is the primary way to find a codec from the user perspective.
|
| - */
|
| - const char *name;
|
| - enum CodecType type;
|
| - enum CodecID id;
|
| - int priv_data_size;
|
| - int (*init)(AVCodecContext *);
|
| - int (*encode)(AVCodecContext *, uint8_t *buf, int buf_size, void *data);
|
| - int (*close)(AVCodecContext *);
|
| - int (*decode)(AVCodecContext *, void *outdata, int *outdata_size, AVPacket *avpkt);
|
| - /**
|
| - * Codec capabilities.
|
| - * see CODEC_CAP_*
|
| - */
|
| - int capabilities;
|
| - struct AVCodec *next;
|
| - /**
|
| - * Flush buffers.
|
| - * Will be called when seeking
|
| - */
|
| - void (*flush)(AVCodecContext *);
|
| - const AVRational *supported_framerates; ///< array of supported framerates, or NULL if any, array is terminated by {0,0}
|
| - const enum PixelFormat *pix_fmts; ///< array of supported pixel formats, or NULL if unknown, array is terminated by -1
|
| - /**
|
| - * Descriptive name for the codec, meant to be more human readable than \p name.
|
| - * You \e should use the NULL_IF_CONFIG_SMALL() macro to define it.
|
| - */
|
| - const char *long_name;
|
| - const int *supported_samplerates; ///< array of supported audio samplerates, or NULL if unknown, array is terminated by 0
|
| - const enum SampleFormat *sample_fmts; ///< array of supported sample formats, or NULL if unknown, array is terminated by -1
|
| - const int64_t *channel_layouts; ///< array of support channel layouts, or NULL if unknown. array is terminated by 0
|
| -
|
| - /**
|
| - * @defgroup framethreading Frame threading support functions.
|
| - * @{
|
| - */
|
| - /**
|
| - * If the codec allocates writable tables in init(), define init_copy() to re-allocate
|
| - * them in the copied contexts. Before calling it, priv_data will be set to a copy of
|
| - * the original.
|
| - */
|
| - int (*init_copy)(AVCodecContext *);
|
| - /**
|
| - * Copy all necessary context variables from the last thread before starting the next one.
|
| - * If the codec doesn't define this, the next thread will start automatically; otherwise,
|
| - * the codec must call ff_report_frame_setup_done(). Do not assume anything about the
|
| - * contents of priv data except that it has been copied from the original some time after
|
| - * codec init. Will not be called if frame threading is disabled.
|
| - */
|
| - int (*update_context)(AVCodecContext *, AVCodecContext *from);
|
| - /** @} */
|
| -} AVCodec;
|
| -
|
| -/**
|
| - * AVHWAccel.
|
| - */
|
| -typedef struct AVHWAccel {
|
| - /**
|
| - * Name of the hardware accelerated codec.
|
| - * The name is globally unique among encoders and among decoders (but an
|
| - * encoder and a decoder can share the same name).
|
| - */
|
| - const char *name;
|
| -
|
| - /**
|
| - * Type of codec implemented by the hardware accelerator.
|
| - *
|
| - * See CODEC_TYPE_xxx
|
| - */
|
| - enum CodecType type;
|
| -
|
| - /**
|
| - * Codec implemented by the hardware accelerator.
|
| - *
|
| - * See CODEC_ID_xxx
|
| - */
|
| - enum CodecID id;
|
| -
|
| - /**
|
| - * Supported pixel format.
|
| - *
|
| - * Only hardware accelerated formats are supported here.
|
| - */
|
| - enum PixelFormat pix_fmt;
|
| -
|
| - /**
|
| - * Hardware accelerated codec capabilities.
|
| - * see FF_HWACCEL_CODEC_CAP_*
|
| - */
|
| - int capabilities;
|
| -
|
| - struct AVHWAccel *next;
|
| -
|
| - /**
|
| - * Called at the beginning of each frame or field picture.
|
| - *
|
| - * Meaningful frame information (codec specific) is guaranteed to
|
| - * be parsed at this point. This function is mandatory.
|
| - *
|
| - * Note that \p buf can be NULL along with \p buf_size set to 0.
|
| - * Otherwise, this means the whole frame is available at this point.
|
| - *
|
| - * @param avctx the codec context
|
| - * @param buf the frame data buffer base
|
| - * @param buf_size the size of the frame in bytes
|
| - * @return zero if successful, a negative value otherwise
|
| - */
|
| - int (*start_frame)(AVCodecContext *avctx, const uint8_t *buf, uint32_t buf_size);
|
| -
|
| - /**
|
| - * Callback for each slice.
|
| - *
|
| - * Meaningful slice information (codec specific) is guaranteed to
|
| - * be parsed at this point. This function is mandatory.
|
| - *
|
| - * @param avctx the codec context
|
| - * @param buf the slice data buffer base
|
| - * @param buf_size the size of the slice in bytes
|
| - * @return zero if successful, a negative value otherwise
|
| - */
|
| - int (*decode_slice)(AVCodecContext *avctx, const uint8_t *buf, uint32_t buf_size);
|
| -
|
| - /**
|
| - * Called at the end of each frame or field picture.
|
| - *
|
| - * The whole picture is parsed at this point and can now be sent
|
| - * to the hardware accelerator. This function is mandatory.
|
| - *
|
| - * @param avctx the codec context
|
| - * @return zero if successful, a negative value otherwise
|
| - */
|
| - int (*end_frame)(AVCodecContext *avctx);
|
| -
|
| - /**
|
| - * Size of HW accelerator private data.
|
| - *
|
| - * Private data is allocated with av_mallocz() before
|
| - * AVCodecContext.get_buffer() and deallocated after
|
| - * AVCodecContext.release_buffer().
|
| - */
|
| - int priv_data_size;
|
| -} AVHWAccel;
|
| -
|
| -/**
|
| - * four components are given, that's all.
|
| - * the last component is alpha
|
| - */
|
| -typedef struct AVPicture {
|
| - uint8_t *data[4];
|
| - int linesize[4]; ///< number of bytes per line
|
| -} AVPicture;
|
| -
|
| -#if LIBAVCODEC_VERSION_MAJOR < 53
|
| -/**
|
| - * AVPaletteControl
|
| - * This structure defines a method for communicating palette changes
|
| - * between and demuxer and a decoder.
|
| - *
|
| - * @deprecated Use AVPacket to send palette changes instead.
|
| - * This is totally broken.
|
| - */
|
| -#define AVPALETTE_SIZE 1024
|
| -#define AVPALETTE_COUNT 256
|
| -typedef struct AVPaletteControl {
|
| -
|
| - /* Demuxer sets this to 1 to indicate the palette has changed;
|
| - * decoder resets to 0. */
|
| - int palette_changed;
|
| -
|
| - /* 4-byte ARGB palette entries, stored in native byte order; note that
|
| - * the individual palette components should be on a 8-bit scale; if
|
| - * the palette data comes from an IBM VGA native format, the component
|
| - * data is probably 6 bits in size and needs to be scaled. */
|
| - unsigned int palette[AVPALETTE_COUNT];
|
| -
|
| -} AVPaletteControl attribute_deprecated;
|
| -#endif
|
| -
|
| -enum AVSubtitleType {
|
| - SUBTITLE_NONE,
|
| -
|
| - SUBTITLE_BITMAP, ///< A bitmap, pict will be set
|
| -
|
| - /**
|
| - * Plain text, the text field must be set by the decoder and is
|
| - * authoritative. ass and pict fields may contain approximations.
|
| - */
|
| - SUBTITLE_TEXT,
|
| -
|
| - /**
|
| - * Formatted text, the ass field must be set by the decoder and is
|
| - * authoritative. pict and text fields may contain approximations.
|
| - */
|
| - SUBTITLE_ASS,
|
| -};
|
| -
|
| -typedef struct AVSubtitleRect {
|
| - int x; ///< top left corner of pict, undefined when pict is not set
|
| - int y; ///< top left corner of pict, undefined when pict is not set
|
| - int w; ///< width of pict, undefined when pict is not set
|
| - int h; ///< height of pict, undefined when pict is not set
|
| - int nb_colors; ///< number of colors in pict, undefined when pict is not set
|
| -
|
| - /**
|
| - * data+linesize for the bitmap of this subtitle.
|
| - * can be set for text/ass as well once they where rendered
|
| - */
|
| - AVPicture pict;
|
| - enum AVSubtitleType type;
|
| -
|
| - char *text; ///< 0 terminated plain UTF-8 text
|
| -
|
| - /**
|
| - * 0 terminated ASS/SSA compatible event line.
|
| - * The pressentation of this is unaffected by the other values in this
|
| - * struct.
|
| - */
|
| - char *ass;
|
| -} AVSubtitleRect;
|
| -
|
| -typedef struct AVSubtitle {
|
| - uint16_t format; /* 0 = graphics */
|
| - uint32_t start_display_time; /* relative to packet pts, in ms */
|
| - uint32_t end_display_time; /* relative to packet pts, in ms */
|
| - unsigned num_rects;
|
| - AVSubtitleRect **rects;
|
| -} AVSubtitle;
|
| -
|
| -/* packet functions */
|
| -
|
| -/**
|
| - * @deprecated use NULL instead
|
| - */
|
| -attribute_deprecated void av_destruct_packet_nofree(AVPacket *pkt);
|
| -
|
| -/**
|
| - * Default packet destructor.
|
| - */
|
| -void av_destruct_packet(AVPacket *pkt);
|
| -
|
| -/**
|
| - * Initialize optional fields of a packet with default values.
|
| - *
|
| - * @param pkt packet
|
| - */
|
| -void av_init_packet(AVPacket *pkt);
|
| -
|
| -/**
|
| - * Allocate the payload of a packet and initialize its fields with
|
| - * default values.
|
| - *
|
| - * @param pkt packet
|
| - * @param size wanted payload size
|
| - * @return 0 if OK, AVERROR_xxx otherwise
|
| - */
|
| -int av_new_packet(AVPacket *pkt, int size);
|
| -
|
| -/**
|
| - * Reduce packet size, correctly zeroing padding
|
| - *
|
| - * @param pkt packet
|
| - * @param size new size
|
| - */
|
| -void av_shrink_packet(AVPacket *pkt, int size);
|
| -
|
| -/**
|
| - * @warning This is a hack - the packet memory allocation stuff is broken. The
|
| - * packet is allocated if it was not really allocated.
|
| - */
|
| -int av_dup_packet(AVPacket *pkt);
|
| -
|
| -/**
|
| - * Free a packet.
|
| - *
|
| - * @param pkt packet to free
|
| - */
|
| -void av_free_packet(AVPacket *pkt);
|
| -
|
| -/* resample.c */
|
| -
|
| -struct ReSampleContext;
|
| -struct AVResampleContext;
|
| -
|
| -typedef struct ReSampleContext ReSampleContext;
|
| -
|
| -#if LIBAVCODEC_VERSION_MAJOR < 53
|
| -/**
|
| - * @deprecated Use av_audio_resample_init() instead.
|
| - */
|
| -attribute_deprecated ReSampleContext *audio_resample_init(int output_channels, int input_channels,
|
| - int output_rate, int input_rate);
|
| -#endif
|
| -/**
|
| - * Initializes audio resampling context
|
| - *
|
| - * @param output_channels number of output channels
|
| - * @param input_channels number of input channels
|
| - * @param output_rate output sample rate
|
| - * @param input_rate input sample rate
|
| - * @param sample_fmt_out requested output sample format
|
| - * @param sample_fmt_in input sample format
|
| - * @param filter_length length of each FIR filter in the filterbank relative to the cutoff freq
|
| - * @param log2_phase_count log2 of the number of entries in the polyphase filterbank
|
| - * @param linear If 1 then the used FIR filter will be linearly interpolated
|
| - between the 2 closest, if 0 the closest will be used
|
| - * @param cutoff cutoff frequency, 1.0 corresponds to half the output sampling rate
|
| - * @return allocated ReSampleContext, NULL if error occured
|
| - */
|
| -ReSampleContext *av_audio_resample_init(int output_channels, int input_channels,
|
| - int output_rate, int input_rate,
|
| - enum SampleFormat sample_fmt_out,
|
| - enum SampleFormat sample_fmt_in,
|
| - int filter_length, int log2_phase_count,
|
| - int linear, double cutoff);
|
| -
|
| -int audio_resample(ReSampleContext *s, short *output, short *input, int nb_samples);
|
| -void audio_resample_close(ReSampleContext *s);
|
| -
|
| -
|
| -/**
|
| - * Initializes an audio resampler.
|
| - * Note, if either rate is not an integer then simply scale both rates up so they are.
|
| - * @param filter_length length of each FIR filter in the filterbank relative to the cutoff freq
|
| - * @param log2_phase_count log2 of the number of entries in the polyphase filterbank
|
| - * @param linear If 1 then the used FIR filter will be linearly interpolated
|
| - between the 2 closest, if 0 the closest will be used
|
| - * @param cutoff cutoff frequency, 1.0 corresponds to half the output sampling rate
|
| - */
|
| -struct AVResampleContext *av_resample_init(int out_rate, int in_rate, int filter_length, int log2_phase_count, int linear, double cutoff);
|
| -
|
| -/**
|
| - * resamples.
|
| - * @param src an array of unconsumed samples
|
| - * @param consumed the number of samples of src which have been consumed are returned here
|
| - * @param src_size the number of unconsumed samples available
|
| - * @param dst_size the amount of space in samples available in dst
|
| - * @param update_ctx If this is 0 then the context will not be modified, that way several channels can be resampled with the same context.
|
| - * @return the number of samples written in dst or -1 if an error occurred
|
| - */
|
| -int av_resample(struct AVResampleContext *c, short *dst, short *src, int *consumed, int src_size, int dst_size, int update_ctx);
|
| -
|
| -
|
| -/**
|
| - * Compensates samplerate/timestamp drift. The compensation is done by changing
|
| - * the resampler parameters, so no audible clicks or similar distortions occur
|
| - * @param compensation_distance distance in output samples over which the compensation should be performed
|
| - * @param sample_delta number of output samples which should be output less
|
| - *
|
| - * example: av_resample_compensate(c, 10, 500)
|
| - * here instead of 510 samples only 500 samples would be output
|
| - *
|
| - * note, due to rounding the actual compensation might be slightly different,
|
| - * especially if the compensation_distance is large and the in_rate used during init is small
|
| - */
|
| -void av_resample_compensate(struct AVResampleContext *c, int sample_delta, int compensation_distance);
|
| -void av_resample_close(struct AVResampleContext *c);
|
| -
|
| -/**
|
| - * Allocate memory for a picture. Call avpicture_free to free it.
|
| - *
|
| - * @param picture the picture to be filled in
|
| - * @param pix_fmt the format of the picture
|
| - * @param width the width of the picture
|
| - * @param height the height of the picture
|
| - * @return zero if successful, a negative value if not
|
| - */
|
| -int avpicture_alloc(AVPicture *picture, enum PixelFormat pix_fmt, int width, int height);
|
| -
|
| -/**
|
| - * Free a picture previously allocated by avpicture_alloc().
|
| - *
|
| - * @param picture the AVPicture to be freed
|
| - */
|
| -void avpicture_free(AVPicture *picture);
|
| -
|
| -/**
|
| - * Fill in the AVPicture fields.
|
| - * The fields of the given AVPicture are filled in by using the 'ptr' address
|
| - * which points to the image data buffer. Depending on the specified picture
|
| - * format, one or multiple image data pointers and line sizes will be set.
|
| - * If a planar format is specified, several pointers will be set pointing to
|
| - * the different picture planes and the line sizes of the different planes
|
| - * will be stored in the lines_sizes array.
|
| - * Call with ptr == NULL to get the required size for the ptr buffer.
|
| - *
|
| - * @param picture AVPicture whose fields are to be filled in
|
| - * @param ptr Buffer which will contain or contains the actual image data
|
| - * @param pix_fmt The format in which the picture data is stored.
|
| - * @param width the width of the image in pixels
|
| - * @param height the height of the image in pixels
|
| - * @return size of the image data in bytes
|
| - */
|
| -int avpicture_fill(AVPicture *picture, uint8_t *ptr,
|
| - int pix_fmt, int width, int height);
|
| -int avpicture_layout(const AVPicture* src, enum PixelFormat pix_fmt, int width, int height,
|
| - unsigned char *dest, int dest_size);
|
| -
|
| -/**
|
| - * Calculate the size in bytes that a picture of the given width and height
|
| - * would occupy if stored in the given picture format.
|
| - * Note that this returns the size of a compact representation as generated
|
| - * by avpicture_layout, which can be smaller than the size required for e.g.
|
| - * avpicture_fill.
|
| - *
|
| - * @param pix_fmt the given picture format
|
| - * @param width the width of the image
|
| - * @param height the height of the image
|
| - * @return Image data size in bytes or -1 on error (e.g. too large dimensions).
|
| - */
|
| -int avpicture_get_size(enum PixelFormat pix_fmt, int width, int height);
|
| -void avcodec_get_chroma_sub_sample(enum PixelFormat pix_fmt, int *h_shift, int *v_shift);
|
| -const char *avcodec_get_pix_fmt_name(enum PixelFormat pix_fmt);
|
| -void avcodec_set_dimensions(AVCodecContext *s, int width, int height);
|
| -
|
| -/**
|
| - * Returns the pixel format corresponding to the name \p name.
|
| - *
|
| - * If there is no pixel format with name \p name, then looks for a
|
| - * pixel format with the name corresponding to the native endian
|
| - * format of \p name.
|
| - * For example in a little-endian system, first looks for "gray16",
|
| - * then for "gray16le".
|
| - *
|
| - * Finally if no pixel format has been found, returns \c PIX_FMT_NONE.
|
| - */
|
| -enum PixelFormat avcodec_get_pix_fmt(const char* name);
|
| -unsigned int avcodec_pix_fmt_to_codec_tag(enum PixelFormat p);
|
| -
|
| -#define FF_LOSS_RESOLUTION 0x0001 /**< loss due to resolution change */
|
| -#define FF_LOSS_DEPTH 0x0002 /**< loss due to color depth change */
|
| -#define FF_LOSS_COLORSPACE 0x0004 /**< loss due to color space conversion */
|
| -#define FF_LOSS_ALPHA 0x0008 /**< loss of alpha bits */
|
| -#define FF_LOSS_COLORQUANT 0x0010 /**< loss due to color quantization */
|
| -#define FF_LOSS_CHROMA 0x0020 /**< loss of chroma (e.g. RGB to gray conversion) */
|
| -
|
| -/**
|
| - * Computes what kind of losses will occur when converting from one specific
|
| - * pixel format to another.
|
| - * When converting from one pixel format to another, information loss may occur.
|
| - * For example, when converting from RGB24 to GRAY, the color information will
|
| - * be lost. Similarly, other losses occur when converting from some formats to
|
| - * other formats. These losses can involve loss of chroma, but also loss of
|
| - * resolution, loss of color depth, loss due to the color space conversion, loss
|
| - * of the alpha bits or loss due to color quantization.
|
| - * avcodec_get_fix_fmt_loss() informs you about the various types of losses
|
| - * which will occur when converting from one pixel format to another.
|
| - *
|
| - * @param[in] dst_pix_fmt destination pixel format
|
| - * @param[in] src_pix_fmt source pixel format
|
| - * @param[in] has_alpha Whether the source pixel format alpha channel is used.
|
| - * @return Combination of flags informing you what kind of losses will occur.
|
| - */
|
| -int avcodec_get_pix_fmt_loss(enum PixelFormat dst_pix_fmt, enum PixelFormat src_pix_fmt,
|
| - int has_alpha);
|
| -
|
| -/**
|
| - * Finds the best pixel format to convert to given a certain source pixel
|
| - * format. When converting from one pixel format to another, information loss
|
| - * may occur. For example, when converting from RGB24 to GRAY, the color
|
| - * information will be lost. Similarly, other losses occur when converting from
|
| - * some formats to other formats. avcodec_find_best_pix_fmt() searches which of
|
| - * the given pixel formats should be used to suffer the least amount of loss.
|
| - * The pixel formats from which it chooses one, are determined by the
|
| - * \p pix_fmt_mask parameter.
|
| - *
|
| - * @code
|
| - * src_pix_fmt = PIX_FMT_YUV420P;
|
| - * pix_fmt_mask = (1 << PIX_FMT_YUV422P) || (1 << PIX_FMT_RGB24);
|
| - * dst_pix_fmt = avcodec_find_best_pix_fmt(pix_fmt_mask, src_pix_fmt, alpha, &loss);
|
| - * @endcode
|
| - *
|
| - * @param[in] pix_fmt_mask bitmask determining which pixel format to choose from
|
| - * @param[in] src_pix_fmt source pixel format
|
| - * @param[in] has_alpha Whether the source pixel format alpha channel is used.
|
| - * @param[out] loss_ptr Combination of flags informing you what kind of losses will occur.
|
| - * @return The best pixel format to convert to or -1 if none was found.
|
| - */
|
| -enum PixelFormat avcodec_find_best_pix_fmt(int64_t pix_fmt_mask, enum PixelFormat src_pix_fmt,
|
| - int has_alpha, int *loss_ptr);
|
| -
|
| -
|
| -/**
|
| - * Print in buf the string corresponding to the pixel format with
|
| - * number pix_fmt, or an header if pix_fmt is negative.
|
| - *
|
| - * @param[in] buf the buffer where to write the string
|
| - * @param[in] buf_size the size of buf
|
| - * @param[in] pix_fmt the number of the pixel format to print the corresponding info string, or
|
| - * a negative value to print the corresponding header.
|
| - * Meaningful values for obtaining a pixel format info vary from 0 to PIX_FMT_NB -1.
|
| - */
|
| -void avcodec_pix_fmt_string (char *buf, int buf_size, enum PixelFormat pix_fmt);
|
| -
|
| -#define FF_ALPHA_TRANSP 0x0001 /* image has some totally transparent pixels */
|
| -#define FF_ALPHA_SEMI_TRANSP 0x0002 /* image has some transparent pixels */
|
| -
|
| -/**
|
| - * Tell if an image really has transparent alpha values.
|
| - * @return ored mask of FF_ALPHA_xxx constants
|
| - */
|
| -int img_get_alpha_info(const AVPicture *src,
|
| - enum PixelFormat pix_fmt, int width, int height);
|
| -
|
| -/* deinterlace a picture */
|
| -/* deinterlace - if not supported return -1 */
|
| -int avpicture_deinterlace(AVPicture *dst, const AVPicture *src,
|
| - enum PixelFormat pix_fmt, int width, int height);
|
| -
|
| -/* external high level API */
|
| -
|
| -/**
|
| - * If c is NULL, returns the first registered codec,
|
| - * if c is non-NULL, returns the next registered codec after c,
|
| - * or NULL if c is the last one.
|
| - */
|
| -AVCodec *av_codec_next(AVCodec *c);
|
| -
|
| -/**
|
| - * Returns the LIBAVCODEC_VERSION_INT constant.
|
| - */
|
| -unsigned avcodec_version(void);
|
| -
|
| -/**
|
| - * Initializes libavcodec.
|
| - *
|
| - * @warning This function \e must be called before any other libavcodec
|
| - * function.
|
| - */
|
| -void avcodec_init(void);
|
| -
|
| -#if LIBAVCODEC_VERSION_MAJOR < 53
|
| -/**
|
| - * @deprecated Deprecated in favor of avcodec_register().
|
| - */
|
| -attribute_deprecated void register_avcodec(AVCodec *codec);
|
| -#endif
|
| -
|
| -/**
|
| - * Register the codec \p codec and initialize libavcodec.
|
| - *
|
| - * @see avcodec_init()
|
| - */
|
| -void avcodec_register(AVCodec *codec);
|
| -
|
| -/**
|
| - * Finds a registered encoder with a matching codec ID.
|
| - *
|
| - * @param id CodecID of the requested encoder
|
| - * @return An encoder if one was found, NULL otherwise.
|
| - */
|
| -AVCodec *avcodec_find_encoder(enum CodecID id);
|
| -
|
| -/**
|
| - * Finds a registered encoder with the specified name.
|
| - *
|
| - * @param name name of the requested encoder
|
| - * @return An encoder if one was found, NULL otherwise.
|
| - */
|
| -AVCodec *avcodec_find_encoder_by_name(const char *name);
|
| -
|
| -/**
|
| - * Finds a registered decoder with a matching codec ID.
|
| - *
|
| - * @param id CodecID of the requested decoder
|
| - * @return A decoder if one was found, NULL otherwise.
|
| - */
|
| -AVCodec *avcodec_find_decoder(enum CodecID id);
|
| -
|
| -/**
|
| - * Finds a registered decoder with the specified name.
|
| - *
|
| - * @param name name of the requested decoder
|
| - * @return A decoder if one was found, NULL otherwise.
|
| - */
|
| -AVCodec *avcodec_find_decoder_by_name(const char *name);
|
| -void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode);
|
| -
|
| -/**
|
| - * Sets the fields of the given AVCodecContext to default values.
|
| - *
|
| - * @param s The AVCodecContext of which the fields should be set to default values.
|
| - */
|
| -void avcodec_get_context_defaults(AVCodecContext *s);
|
| -
|
| -/** THIS FUNCTION IS NOT YET PART OF THE PUBLIC API!
|
| - * we WILL change its arguments and name a few times! */
|
| -void avcodec_get_context_defaults2(AVCodecContext *s, enum CodecType);
|
| -
|
| -/**
|
| - * Allocates an AVCodecContext and sets its fields to default values. The
|
| - * resulting struct can be deallocated by simply calling av_free().
|
| - *
|
| - * @return An AVCodecContext filled with default values or NULL on failure.
|
| - * @see avcodec_get_context_defaults
|
| - */
|
| -AVCodecContext *avcodec_alloc_context(void);
|
| -
|
| -/** THIS FUNCTION IS NOT YET PART OF THE PUBLIC API!
|
| - * we WILL change its arguments and name a few times! */
|
| -AVCodecContext *avcodec_alloc_context2(enum CodecType);
|
| -
|
| -/**
|
| - * Sets the fields of the given AVFrame to default values.
|
| - *
|
| - * @param pic The AVFrame of which the fields should be set to default values.
|
| - */
|
| -void avcodec_get_frame_defaults(AVFrame *pic);
|
| -
|
| -/**
|
| - * Allocates an AVFrame and sets its fields to default values. The resulting
|
| - * struct can be deallocated by simply calling av_free().
|
| - *
|
| - * @return An AVFrame filled with default values or NULL on failure.
|
| - * @see avcodec_get_frame_defaults
|
| - */
|
| -AVFrame *avcodec_alloc_frame(void);
|
| -
|
| -int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic);
|
| -void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic);
|
| -int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic);
|
| -void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height);
|
| -
|
| -/**
|
| - * Checks if the given dimension of a picture is valid, meaning that all
|
| - * bytes of the picture can be addressed with a signed int.
|
| - *
|
| - * @param[in] w Width of the picture.
|
| - * @param[in] h Height of the picture.
|
| - * @return Zero if valid, a negative value if invalid.
|
| - */
|
| -int avcodec_check_dimensions(void *av_log_ctx, unsigned int w, unsigned int h);
|
| -enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum PixelFormat * fmt);
|
| -
|
| -int avcodec_thread_init(AVCodecContext *s, int thread_count);
|
| -void avcodec_thread_free(AVCodecContext *s);
|
| -int avcodec_thread_execute(AVCodecContext *s, int (*func)(AVCodecContext *c2, void *arg2),void *arg, int *ret, int count, int size);
|
| -int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2),void *arg, int *ret, int count, int size);
|
| -//FIXME func typedef
|
| -
|
| -/**
|
| - * Initializes the AVCodecContext to use the given AVCodec. Prior to using this
|
| - * function the context has to be allocated.
|
| - *
|
| - * The functions avcodec_find_decoder_by_name(), avcodec_find_encoder_by_name(),
|
| - * avcodec_find_decoder() and avcodec_find_encoder() provide an easy way for
|
| - * retrieving a codec.
|
| - *
|
| - * @warning This function is not thread safe!
|
| - *
|
| - * @code
|
| - * avcodec_register_all();
|
| - * codec = avcodec_find_decoder(CODEC_ID_H264);
|
| - * if (!codec)
|
| - * exit(1);
|
| - *
|
| - * context = avcodec_alloc_context();
|
| - *
|
| - * if (avcodec_open(context, codec) < 0)
|
| - * exit(1);
|
| - * @endcode
|
| - *
|
| - * @param avctx The context which will be set up to use the given codec.
|
| - * @param codec The codec to use within the context.
|
| - * @return zero on success, a negative value on error
|
| - * @see avcodec_alloc_context, avcodec_find_decoder, avcodec_find_encoder
|
| - */
|
| -int avcodec_open(AVCodecContext *avctx, AVCodec *codec);
|
| -
|
| -#if LIBAVCODEC_VERSION_MAJOR < 53
|
| -/**
|
| - * Decodes an audio frame from \p buf into \p samples.
|
| - * Wrapper function which calls avcodec_decode_audio3.
|
| - *
|
| - * @deprecated Use avcodec_decode_audio3 instead.
|
| - * @param avctx the codec context
|
| - * @param[out] samples the output buffer
|
| - * @param[in,out] frame_size_ptr the output buffer size in bytes
|
| - * @param[in] buf the input buffer
|
| - * @param[in] buf_size the input buffer size in bytes
|
| - * @return On error a negative value is returned, otherwise the number of bytes
|
| - * used or zero if no frame could be decompressed.
|
| - */
|
| -attribute_deprecated int avcodec_decode_audio2(AVCodecContext *avctx, int16_t *samples,
|
| - int *frame_size_ptr,
|
| - const uint8_t *buf, int buf_size);
|
| -#endif
|
| -
|
| -/**
|
| - * Decodes the audio frame of size avpkt->size from avpkt->data into samples.
|
| - * Some decoders may support multiple frames in a single AVPacket, such
|
| - * decoders would then just decode the first frame.
|
| - * If no frame
|
| - * could be decompressed, \p frame_size_ptr is zero. Otherwise, it is the
|
| - * decompressed frame size in \e bytes.
|
| - *
|
| - * @warning You \e must set \p frame_size_ptr to the allocated size of the
|
| - * output buffer before calling avcodec_decode_audio3().
|
| - *
|
| - * @warning The input buffer must be \c FF_INPUT_BUFFER_PADDING_SIZE larger than
|
| - * the actual read bytes because some optimized bitstream readers read 32 or 64
|
| - * bits at once and could read over the end.
|
| - *
|
| - * @warning The end of the input buffer \p avpkt->data should be set to 0 to ensure that
|
| - * no overreading happens for damaged MPEG streams.
|
| - *
|
| - * @note You might have to align the input buffer \p avpkt->data and output buffer \p
|
| - * samples. The alignment requirements depend on the CPU: On some CPUs it isn't
|
| - * necessary at all, on others it won't work at all if not aligned and on others
|
| - * it will work but it will have an impact on performance. In practice, the
|
| - * bitstream should have 4 byte alignment at minimum and all sample data should
|
| - * be 16 byte aligned unless the CPU doesn't need it (AltiVec and SSE do). If
|
| - * the linesize is not a multiple of 16 then there's no sense in aligning the
|
| - * start of the buffer to 16.
|
| - *
|
| - * @param avctx the codec context
|
| - * @param[out] samples the output buffer
|
| - * @param[in,out] frame_size_ptr the output buffer size in bytes
|
| - * @param[in] avpkt The input AVPacket containing the input buffer.
|
| - * @return On error a negative value is returned, otherwise the number of bytes
|
| - * used or zero if no frame could be decompressed.
|
| - */
|
| -int avcodec_decode_audio3(AVCodecContext *avctx, int16_t *samples,
|
| - int *frame_size_ptr,
|
| - AVPacket *avpkt);
|
| -
|
| -#if LIBAVCODEC_VERSION_MAJOR < 53
|
| -/**
|
| - * Decodes a video frame from \p buf into \p picture.
|
| - * Wrapper function which calls avcodec_decode_video2.
|
| - *
|
| - * @deprecated Use avcodec_decode_video2 instead.
|
| - * @param avctx the codec context
|
| - * @param[out] picture The AVFrame in which the decoded video frame will be stored.
|
| - * @param[in] buf the input buffer
|
| - * @param[in] buf_size the size of the input buffer in bytes
|
| - * @param[in,out] got_picture_ptr Zero if no frame could be decompressed, otherwise, it is nonzero.
|
| - * @return On error a negative value is returned, otherwise the number of bytes
|
| - * used or zero if no frame could be decompressed.
|
| - */
|
| -attribute_deprecated int avcodec_decode_video(AVCodecContext *avctx, AVFrame *picture,
|
| - int *got_picture_ptr,
|
| - const uint8_t *buf, int buf_size);
|
| -#endif
|
| -
|
| -/**
|
| - * Decodes the video frame of size avpkt->size from avpkt->data into picture.
|
| - * Some decoders may support multiple frames in a single AVPacket, such
|
| - * decoders would then just decode the first frame.
|
| - *
|
| - * @warning The input buffer must be \c FF_INPUT_BUFFER_PADDING_SIZE larger than
|
| - * the actual read bytes because some optimized bitstream readers read 32 or 64
|
| - * bits at once and could read over the end.
|
| - *
|
| - * @warning The end of the input buffer \p buf should be set to 0 to ensure that
|
| - * no overreading happens for damaged MPEG streams.
|
| - *
|
| - * @note You might have to align the input buffer \p avpkt->data and output buffer \p
|
| - * samples. The alignment requirements depend on the CPU: on some CPUs it isn't
|
| - * necessary at all, on others it won't work at all if not aligned and on others
|
| - * it will work but it will have an impact on performance. In practice, the
|
| - * bitstream should have 4 byte alignment at minimum and all sample data should
|
| - * be 16 byte aligned unless the CPU doesn't need it (AltiVec and SSE do). If
|
| - * the linesize is not a multiple of 16 then there's no sense in aligning the
|
| - * start of the buffer to 16.
|
| - *
|
| - * @note Some codecs have a delay between input and output, these need to be
|
| - * feeded with avpkt->data=NULL, avpkt->size=0 at the end to return the remaining frames.
|
| - *
|
| - * @param avctx the codec context
|
| - * @param[out] picture The AVFrame in which the decoded video frame will be stored.
|
| - * @param[in] avpkt The input AVpacket containing the input buffer.
|
| - * @param[in,out] got_picture_ptr Zero if no frame could be decompressed, otherwise, it is nonzero.
|
| - * @return On error a negative value is returned, otherwise the number of bytes
|
| - * used or zero if no frame could be decompressed.
|
| - */
|
| -int avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
|
| - int *got_picture_ptr,
|
| - AVPacket *avpkt);
|
| -
|
| -#if LIBAVCODEC_VERSION_MAJOR < 53
|
| -/* Decode a subtitle message. Return -1 if error, otherwise return the
|
| - * number of bytes used. If no subtitle could be decompressed,
|
| - * got_sub_ptr is zero. Otherwise, the subtitle is stored in *sub. */
|
| -attribute_deprecated int avcodec_decode_subtitle(AVCodecContext *avctx, AVSubtitle *sub,
|
| - int *got_sub_ptr,
|
| - const uint8_t *buf, int buf_size);
|
| -#endif
|
| -
|
| -/**
|
| - * Decodes a subtitle message.
|
| - * Returns a negative value on error, otherwise returns the number of bytes used.
|
| - * If no subtitle could be decompressed, \p got_sub_ptr is zero.
|
| - * Otherwise, the subtitle is stored in \p *sub.
|
| - *
|
| - * @param avctx the codec context
|
| - * @param[out] sub The AVSubtitle in which the decoded subtitle will be stored.
|
| - * @param[in,out] got_sub_ptr Zero if no subtitle could be decompressed, otherwise, it is nonzero.
|
| - * @param[in] avpkt The input AVPacket containing the input buffer.
|
| - */
|
| -int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
|
| - int *got_sub_ptr,
|
| - AVPacket *avpkt);
|
| -int avcodec_parse_frame(AVCodecContext *avctx, uint8_t **pdata,
|
| - int *data_size_ptr,
|
| - uint8_t *buf, int buf_size);
|
| -
|
| -/**
|
| - * Encodes an audio frame from \p samples into \p buf.
|
| - *
|
| - * @note The output buffer should be at least \c FF_MIN_BUFFER_SIZE bytes large.
|
| - * However, for PCM audio the user will know how much space is needed
|
| - * because it depends on the value passed in \p buf_size as described
|
| - * below. In that case a lower value can be used.
|
| - *
|
| - * @param avctx the codec context
|
| - * @param[out] buf the output buffer
|
| - * @param[in] buf_size the output buffer size
|
| - * @param[in] samples the input buffer containing the samples
|
| - * The number of samples read from this buffer is frame_size*channels,
|
| - * both of which are defined in \p avctx.
|
| - * For PCM audio the number of samples read from \p samples is equal to
|
| - * \p buf_size * input_sample_size / output_sample_size.
|
| - * @return On error a negative value is returned, on success zero or the number
|
| - * of bytes used to encode the data read from the input buffer.
|
| - */
|
| -int avcodec_encode_audio(AVCodecContext *avctx, uint8_t *buf, int buf_size,
|
| - const short *samples);
|
| -
|
| -/**
|
| - * Encodes a video frame from \p pict into \p buf.
|
| - * The input picture should be
|
| - * stored using a specific format, namely \c avctx.pix_fmt.
|
| - *
|
| - * @param avctx the codec context
|
| - * @param[out] buf the output buffer for the bitstream of encoded frame
|
| - * @param[in] buf_size the size of the output buffer in bytes
|
| - * @param[in] pict the input picture to encode
|
| - * @return On error a negative value is returned, on success zero or the number
|
| - * of bytes used from the output buffer.
|
| - */
|
| -int avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf, int buf_size,
|
| - const AVFrame *pict);
|
| -int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
|
| - const AVSubtitle *sub);
|
| -
|
| -int avcodec_close(AVCodecContext *avctx);
|
| -
|
| -/**
|
| - * Register all the codecs, parsers and bitstream filters which were enabled at
|
| - * configuration time. If you do not call this function you can select exactly
|
| - * which formats you want to support, by using the individual registration
|
| - * functions.
|
| - *
|
| - * @see avcodec_register
|
| - * @see av_register_codec_parser
|
| - * @see av_register_bitstream_filter
|
| - */
|
| -void avcodec_register_all(void);
|
| -
|
| -/**
|
| - * Flush buffers, should be called when seeking or when switching to a different stream.
|
| - */
|
| -void avcodec_flush_buffers(AVCodecContext *avctx);
|
| -
|
| -void avcodec_default_free_buffers(AVCodecContext *s);
|
| -
|
| -/* misc useful functions */
|
| -
|
| -/**
|
| - * Returns a single letter to describe the given picture type \p pict_type.
|
| - *
|
| - * @param[in] pict_type the picture type
|
| - * @return A single character representing the picture type.
|
| - */
|
| -char av_get_pict_type_char(int pict_type);
|
| -
|
| -/**
|
| - * Returns codec bits per sample.
|
| - *
|
| - * @param[in] codec_id the codec
|
| - * @return Number of bits per sample or zero if unknown for the given codec.
|
| - */
|
| -int av_get_bits_per_sample(enum CodecID codec_id);
|
| -
|
| -/**
|
| - * Returns sample format bits per sample.
|
| - *
|
| - * @param[in] sample_fmt the sample format
|
| - * @return Number of bits per sample or zero if unknown for the given sample format.
|
| - */
|
| -int av_get_bits_per_sample_format(enum SampleFormat sample_fmt);
|
| -
|
| -/* frame parsing */
|
| -typedef struct AVCodecParserContext {
|
| - void *priv_data;
|
| - struct AVCodecParser *parser;
|
| - int64_t frame_offset; /* offset of the current frame */
|
| - int64_t cur_offset; /* current offset
|
| - (incremented by each av_parser_parse()) */
|
| - int64_t next_frame_offset; /* offset of the next frame */
|
| - /* video info */
|
| - int pict_type; /* XXX: Put it back in AVCodecContext. */
|
| - /**
|
| - * This field is used for proper frame duration computation in lavf.
|
| - * It signals, how much longer the frame duration of the current frame
|
| - * is compared to normal frame duration.
|
| - *
|
| - * frame_duration = (1 + repeat_pict) * time_base
|
| - *
|
| - * It is used by codecs like H.264 to display telecined material.
|
| - */
|
| - int repeat_pict; /* XXX: Put it back in AVCodecContext. */
|
| - int64_t pts; /* pts of the current frame */
|
| - int64_t dts; /* dts of the current frame */
|
| -
|
| - /* private data */
|
| - int64_t last_pts;
|
| - int64_t last_dts;
|
| - int fetch_timestamp;
|
| -
|
| -#define AV_PARSER_PTS_NB 4
|
| - int cur_frame_start_index;
|
| - int64_t cur_frame_offset[AV_PARSER_PTS_NB];
|
| - int64_t cur_frame_pts[AV_PARSER_PTS_NB];
|
| - int64_t cur_frame_dts[AV_PARSER_PTS_NB];
|
| -
|
| - int flags;
|
| -#define PARSER_FLAG_COMPLETE_FRAMES 0x0001
|
| -
|
| - int64_t offset; ///< byte offset from starting packet start
|
| - int64_t cur_frame_end[AV_PARSER_PTS_NB];
|
| -
|
| - /*!
|
| - * Set by parser to 1 for key frames and 0 for non-key frames.
|
| - * It is initialized to -1, so if the parser doesn't set this flag,
|
| - * old-style fallback using FF_I_TYPE picture type as key frames
|
| - * will be used.
|
| - */
|
| - int key_frame;
|
| -
|
| - /**
|
| - * Time difference in stream time base units from the pts of this
|
| - * packet to the point at which the output from the decoder has converged
|
| - * independent from the availability of previous frames. That is, the
|
| - * frames are virtually identical no matter if decoding started from
|
| - * the very first frame or from this keyframe.
|
| - * Is AV_NOPTS_VALUE if unknown.
|
| - * This field is not the display duration of the current frame.
|
| - *
|
| - * The purpose of this field is to allow seeking in streams that have no
|
| - * keyframes in the conventional sense. It corresponds to the
|
| - * recovery point SEI in H.264 and match_time_delta in NUT. It is also
|
| - * essential for some types of subtitle streams to ensure that all
|
| - * subtitles are correctly displayed after seeking.
|
| - */
|
| - int64_t convergence_duration;
|
| -
|
| - // Timestamp generation support:
|
| - /**
|
| - * Synchronization point for start of timestamp generation.
|
| - *
|
| - * Set to >0 for sync point, 0 for no sync point and <0 for undefined
|
| - * (default).
|
| - *
|
| - * For example, this corresponds to presence of H.264 buffering period
|
| - * SEI message.
|
| - */
|
| - int dts_sync_point;
|
| -
|
| - /**
|
| - * Offset of the current timestamp against last timestamp sync point in
|
| - * units of AVCodecContext.time_base.
|
| - *
|
| - * Set to INT_MIN when dts_sync_point unused. Otherwise, it must
|
| - * contain a valid timestamp offset.
|
| - *
|
| - * Note that the timestamp of sync point has usually a nonzero
|
| - * dts_ref_dts_delta, which refers to the previous sync point. Offset of
|
| - * the next frame after timestamp sync point will be usually 1.
|
| - *
|
| - * For example, this corresponds to H.264 cpb_removal_delay.
|
| - */
|
| - int dts_ref_dts_delta;
|
| -
|
| - /**
|
| - * Presentation delay of current frame in units of AVCodecContext.time_base.
|
| - *
|
| - * Set to INT_MIN when dts_sync_point unused. Otherwise, it must
|
| - * contain valid non-negative timestamp delta (presentation time of a frame
|
| - * must not lie in the past).
|
| - *
|
| - * This delay represents the difference between decoding and presentation
|
| - * time of the frame.
|
| - *
|
| - * For example, this corresponds to H.264 dpb_output_delay.
|
| - */
|
| - int pts_dts_delta;
|
| -
|
| - /**
|
| - * Position of the packet in file.
|
| - *
|
| - * Analogous to cur_frame_pts/dts
|
| - */
|
| - int64_t cur_frame_pos[AV_PARSER_PTS_NB];
|
| -
|
| - /**
|
| - * Byte position of currently parsed frame in stream.
|
| - */
|
| - int64_t pos;
|
| -
|
| - /**
|
| - * Previous frame byte position.
|
| - */
|
| - int64_t last_pos;
|
| -} AVCodecParserContext;
|
| -
|
| -typedef struct AVCodecParser {
|
| - int codec_ids[5]; /* several codec IDs are permitted */
|
| - int priv_data_size;
|
| - int (*parser_init)(AVCodecParserContext *s);
|
| - int (*parser_parse)(AVCodecParserContext *s,
|
| - AVCodecContext *avctx,
|
| - const uint8_t **poutbuf, int *poutbuf_size,
|
| - const uint8_t *buf, int buf_size);
|
| - void (*parser_close)(AVCodecParserContext *s);
|
| - int (*split)(AVCodecContext *avctx, const uint8_t *buf, int buf_size);
|
| - struct AVCodecParser *next;
|
| -} AVCodecParser;
|
| -
|
| -AVCodecParser *av_parser_next(AVCodecParser *c);
|
| -
|
| -void av_register_codec_parser(AVCodecParser *parser);
|
| -AVCodecParserContext *av_parser_init(int codec_id);
|
| -
|
| -#if LIBAVCODEC_VERSION_MAJOR < 53
|
| -attribute_deprecated
|
| -int av_parser_parse(AVCodecParserContext *s,
|
| - AVCodecContext *avctx,
|
| - uint8_t **poutbuf, int *poutbuf_size,
|
| - const uint8_t *buf, int buf_size,
|
| - int64_t pts, int64_t dts);
|
| -#endif
|
| -
|
| -/**
|
| - * Parse a packet.
|
| - *
|
| - * @param s parser context.
|
| - * @param avctx codec context.
|
| - * @param poutbuf set to pointer to parsed buffer or NULL if not yet finished.
|
| - * @param poutbuf_size set to size of parsed buffer or zero if not yet finished.
|
| - * @param buf input buffer.
|
| - * @param buf_size input length, to signal EOF, this should be 0 (so that the last frame can be output).
|
| - * @param pts input presentation timestamp.
|
| - * @param dts input decoding timestamp.
|
| - * @param pos input byte position in stream.
|
| - * @return the number of bytes of the input bitstream used.
|
| - *
|
| - * Example:
|
| - * @code
|
| - * while(in_len){
|
| - * len = av_parser_parse2(myparser, AVCodecContext, &data, &size,
|
| - * in_data, in_len,
|
| - * pts, dts, pos);
|
| - * in_data += len;
|
| - * in_len -= len;
|
| - *
|
| - * if(size)
|
| - * decode_frame(data, size);
|
| - * }
|
| - * @endcode
|
| - */
|
| -int av_parser_parse2(AVCodecParserContext *s,
|
| - AVCodecContext *avctx,
|
| - uint8_t **poutbuf, int *poutbuf_size,
|
| - const uint8_t *buf, int buf_size,
|
| - int64_t pts, int64_t dts,
|
| - int64_t pos);
|
| -
|
| -int av_parser_change(AVCodecParserContext *s,
|
| - AVCodecContext *avctx,
|
| - uint8_t **poutbuf, int *poutbuf_size,
|
| - const uint8_t *buf, int buf_size, int keyframe);
|
| -void av_parser_close(AVCodecParserContext *s);
|
| -
|
| -
|
| -typedef struct AVBitStreamFilterContext {
|
| - void *priv_data;
|
| - struct AVBitStreamFilter *filter;
|
| - AVCodecParserContext *parser;
|
| - struct AVBitStreamFilterContext *next;
|
| -} AVBitStreamFilterContext;
|
| -
|
| -
|
| -typedef struct AVBitStreamFilter {
|
| - const char *name;
|
| - int priv_data_size;
|
| - int (*filter)(AVBitStreamFilterContext *bsfc,
|
| - AVCodecContext *avctx, const char *args,
|
| - uint8_t **poutbuf, int *poutbuf_size,
|
| - const uint8_t *buf, int buf_size, int keyframe);
|
| - void (*close)(AVBitStreamFilterContext *bsfc);
|
| - struct AVBitStreamFilter *next;
|
| -} AVBitStreamFilter;
|
| -
|
| -void av_register_bitstream_filter(AVBitStreamFilter *bsf);
|
| -AVBitStreamFilterContext *av_bitstream_filter_init(const char *name);
|
| -int av_bitstream_filter_filter(AVBitStreamFilterContext *bsfc,
|
| - AVCodecContext *avctx, const char *args,
|
| - uint8_t **poutbuf, int *poutbuf_size,
|
| - const uint8_t *buf, int buf_size, int keyframe);
|
| -void av_bitstream_filter_close(AVBitStreamFilterContext *bsf);
|
| -
|
| -AVBitStreamFilter *av_bitstream_filter_next(AVBitStreamFilter *f);
|
| -
|
| -/* memory */
|
| -
|
| -/**
|
| - * Reallocates the given block if it is not large enough, otherwise it
|
| - * does nothing.
|
| - *
|
| - * @see av_realloc
|
| - */
|
| -void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size);
|
| -
|
| -/**
|
| - * Allocates a buffer, reusing the given one if large enough.
|
| - *
|
| - * Contrary to av_fast_realloc the current buffer contents might not be
|
| - * preserved and on error the old buffer is freed, thus no special
|
| - * handling to avoid memleaks is necessary.
|
| - *
|
| - * @param ptr pointer to pointer to already allocated buffer, overwritten with pointer to new buffer
|
| - * @param size size of the buffer *ptr points to
|
| - * @param min_size minimum size of *ptr buffer after returning, *ptr will be NULL and
|
| - * *size 0 if an error occurred.
|
| - */
|
| -void av_fast_malloc(void *ptr, unsigned int *size, unsigned int min_size);
|
| -
|
| -/**
|
| - * Copy image 'src' to 'dst'.
|
| - */
|
| -void av_picture_copy(AVPicture *dst, const AVPicture *src,
|
| - enum PixelFormat pix_fmt, int width, int height);
|
| -
|
| -/**
|
| - * Crop image top and left side.
|
| - */
|
| -int av_picture_crop(AVPicture *dst, const AVPicture *src,
|
| - enum PixelFormat pix_fmt, int top_band, int left_band);
|
| -
|
| -/**
|
| - * Pad image.
|
| - */
|
| -int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width, enum PixelFormat pix_fmt,
|
| - int padtop, int padbottom, int padleft, int padright, int *color);
|
| -
|
| -unsigned int av_xiphlacing(unsigned char *s, unsigned int v);
|
| -
|
| -/**
|
| - * Parses \p str and put in \p width_ptr and \p height_ptr the detected values.
|
| - *
|
| - * @return 0 in case of a successful parsing, a negative value otherwise
|
| - * @param[in] str the string to parse: it has to be a string in the format
|
| - * <width>x<height> or a valid video frame size abbreviation.
|
| - * @param[in,out] width_ptr pointer to the variable which will contain the detected
|
| - * frame width value
|
| - * @param[in,out] height_ptr pointer to the variable which will contain the detected
|
| - * frame height value
|
| - */
|
| -int av_parse_video_frame_size(int *width_ptr, int *height_ptr, const char *str);
|
| -
|
| -/**
|
| - * Parses \p str and put in \p frame_rate the detected values.
|
| - *
|
| - * @return 0 in case of a successful parsing, a negative value otherwise
|
| - * @param[in] str the string to parse: it has to be a string in the format
|
| - * <frame_rate_num>/<frame_rate_den>, a float number or a valid video rate abbreviation
|
| - * @param[in,out] frame_rate pointer to the AVRational which will contain the detected
|
| - * frame rate
|
| - */
|
| -int av_parse_video_frame_rate(AVRational *frame_rate, const char *str);
|
| -
|
| -/* error handling */
|
| -#if EINVAL > 0
|
| -#define AVERROR(e) (-(e)) /**< Returns a negative error code from a POSIX error code, to return from library functions. */
|
| -#define AVUNERROR(e) (-(e)) /**< Returns a POSIX error code from a library function error return value. */
|
| -#else
|
| -/* Some platforms have E* and errno already negated. */
|
| -#define AVERROR(e) (e)
|
| -#define AVUNERROR(e) (e)
|
| -#endif
|
| -#define AVERROR_UNKNOWN AVERROR(EINVAL) /**< unknown error */
|
| -#define AVERROR_IO AVERROR(EIO) /**< I/O error */
|
| -#define AVERROR_NUMEXPECTED AVERROR(EDOM) /**< Number syntax expected in filename. */
|
| -#define AVERROR_INVALIDDATA AVERROR(EINVAL) /**< invalid data found */
|
| -#define AVERROR_NOMEM AVERROR(ENOMEM) /**< not enough memory */
|
| -#define AVERROR_NOFMT AVERROR(EILSEQ) /**< unknown format */
|
| -#define AVERROR_NOTSUPP AVERROR(ENOSYS) /**< Operation not supported. */
|
| -#define AVERROR_NOENT AVERROR(ENOENT) /**< No such file or directory. */
|
| -#define AVERROR_EOF AVERROR(EPIPE) /**< End of file. */
|
| -#define AVERROR_PATCHWELCOME -MKTAG('P','A','W','E') /**< Not yet implemented in FFmpeg. Patches welcome. */
|
| -
|
| -/**
|
| - * Registers the hardware accelerator \p hwaccel.
|
| - */
|
| -void av_register_hwaccel(AVHWAccel *hwaccel);
|
| -
|
| -/**
|
| - * If hwaccel is NULL, returns the first registered hardware accelerator,
|
| - * if hwaccel is non-NULL, returns the next registered hardware accelerator
|
| - * after hwaccel, or NULL if hwaccel is the last one.
|
| - */
|
| -AVHWAccel *av_hwaccel_next(AVHWAccel *hwaccel);
|
| -
|
| -#endif /* AVCODEC_AVCODEC_H */
|
|
|
Chromium Code Reviews
Issue 909002:
Removed custom FFmpegLock. Removed ffmpeg headers from third_party/ffmpeg/include. (Closed)
