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#ifndef AVCODEC_H
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#define AVCODEC_H
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/**
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 * @file avcodec.h
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 * external api header.
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 */
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "avutil.h"
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#include <sys/types.h> /* size_t */
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//FIXME the following 2 really dont belong in here
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#define FFMPEG_VERSION_INT      0x000409
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#define FFMPEG_VERSION          "CVS"
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#define AV_STRINGIFY(s)         AV_TOSTRING(s)
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#define AV_TOSTRING(s) #s
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#define LIBAVCODEC_VERSION_INT  ((51<<16)+(7<<8)+0)
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#define LIBAVCODEC_VERSION      51.7.0
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#define LIBAVCODEC_BUILD        LIBAVCODEC_VERSION_INT
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#define LIBAVCODEC_IDENT        "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION)
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#define AV_NOPTS_VALUE          int64_t_C(0x8000000000000000)
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#define AV_TIME_BASE            1000000
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#define AV_TIME_BASE_Q          (AVRational){1, AV_TIME_BASE}
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enum CodecID {
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    CODEC_ID_NONE,
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    CODEC_ID_MPEG1VIDEO,
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    CODEC_ID_MPEG2VIDEO, /* prefered ID for MPEG Video 1 or 2 decoding */
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    CODEC_ID_MPEG2VIDEO_XVMC,
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    CODEC_ID_H261,
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    CODEC_ID_H263,
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    CODEC_ID_RV10,
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    CODEC_ID_RV20,
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    CODEC_ID_MJPEG,
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    CODEC_ID_MJPEGB,
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    CODEC_ID_LJPEG,
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    CODEC_ID_SP5X,
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    CODEC_ID_JPEGLS,
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    CODEC_ID_MPEG4,
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    CODEC_ID_RAWVIDEO,
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    CODEC_ID_MSMPEG4V1,
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    CODEC_ID_MSMPEG4V2,
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    CODEC_ID_MSMPEG4V3,
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    CODEC_ID_WMV1,
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    CODEC_ID_WMV2,
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    CODEC_ID_H263P,
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    CODEC_ID_H263I,
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    CODEC_ID_FLV1,
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    CODEC_ID_SVQ1,
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    CODEC_ID_SVQ3,
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    CODEC_ID_DVVIDEO,
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    CODEC_ID_HUFFYUV,
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    CODEC_ID_CYUV,
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    CODEC_ID_H264,
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    CODEC_ID_INDEO3,
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    CODEC_ID_VP3,
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    CODEC_ID_THEORA,
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    CODEC_ID_ASV1,
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    CODEC_ID_ASV2,
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    CODEC_ID_FFV1,
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    CODEC_ID_4XM,
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    CODEC_ID_VCR1,
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    CODEC_ID_CLJR,
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    CODEC_ID_MDEC,
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    CODEC_ID_ROQ,
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    CODEC_ID_INTERPLAY_VIDEO,
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    CODEC_ID_XAN_WC3,
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    CODEC_ID_XAN_WC4,
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    CODEC_ID_RPZA,
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    CODEC_ID_CINEPAK,
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    CODEC_ID_WS_VQA,
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    CODEC_ID_MSRLE,
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    CODEC_ID_MSVIDEO1,
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    CODEC_ID_IDCIN,
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    CODEC_ID_8BPS,
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    CODEC_ID_SMC,
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    CODEC_ID_FLIC,
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    CODEC_ID_TRUEMOTION1,
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    CODEC_ID_VMDVIDEO,
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    CODEC_ID_MSZH,
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    CODEC_ID_ZLIB,
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    CODEC_ID_QTRLE,
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    CODEC_ID_SNOW,
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    CODEC_ID_TSCC,
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    CODEC_ID_ULTI,
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    CODEC_ID_QDRAW,
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    CODEC_ID_VIXL,
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    CODEC_ID_QPEG,
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    CODEC_ID_XVID,
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    CODEC_ID_PNG,
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    CODEC_ID_PPM,
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    CODEC_ID_PBM,
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    CODEC_ID_PGM,
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    CODEC_ID_PGMYUV,
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    CODEC_ID_PAM,
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    CODEC_ID_FFVHUFF,
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    CODEC_ID_RV30,
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    CODEC_ID_RV40,
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    CODEC_ID_VC9,
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    CODEC_ID_WMV3,
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    CODEC_ID_LOCO,
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    CODEC_ID_WNV1,
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    CODEC_ID_AASC,
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    CODEC_ID_INDEO2,
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    CODEC_ID_FRAPS,
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    CODEC_ID_TRUEMOTION2,
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    CODEC_ID_BMP,
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    CODEC_ID_CSCD,
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    CODEC_ID_MMVIDEO,
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    CODEC_ID_ZMBV,
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    CODEC_ID_AVS,
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    /* various pcm "codecs" */
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    CODEC_ID_PCM_S16LE= 0x10000,
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    CODEC_ID_PCM_S16BE,
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    CODEC_ID_PCM_U16LE,
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    CODEC_ID_PCM_U16BE,
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    CODEC_ID_PCM_S8,
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    CODEC_ID_PCM_U8,
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    CODEC_ID_PCM_MULAW,
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    CODEC_ID_PCM_ALAW,
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    CODEC_ID_PCM_S32LE,
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    CODEC_ID_PCM_S32BE,
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    CODEC_ID_PCM_U32LE,
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    CODEC_ID_PCM_U32BE,
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    CODEC_ID_PCM_S24LE,
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    CODEC_ID_PCM_S24BE,
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    CODEC_ID_PCM_U24LE,
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    CODEC_ID_PCM_U24BE,
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    CODEC_ID_PCM_S24DAUD,
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    /* various adpcm codecs */
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    CODEC_ID_ADPCM_IMA_QT= 0x11000,
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    CODEC_ID_ADPCM_IMA_WAV,
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    CODEC_ID_ADPCM_IMA_DK3,
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    CODEC_ID_ADPCM_IMA_DK4,
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    CODEC_ID_ADPCM_IMA_WS,
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    CODEC_ID_ADPCM_IMA_SMJPEG,
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    CODEC_ID_ADPCM_MS,
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    CODEC_ID_ADPCM_4XM,
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    CODEC_ID_ADPCM_XA,
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    CODEC_ID_ADPCM_ADX,
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    CODEC_ID_ADPCM_EA,
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    CODEC_ID_ADPCM_G726,
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    CODEC_ID_ADPCM_CT,
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    CODEC_ID_ADPCM_SWF,
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    CODEC_ID_ADPCM_YAMAHA,
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    CODEC_ID_ADPCM_SBPRO_4,
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    CODEC_ID_ADPCM_SBPRO_3,
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    CODEC_ID_ADPCM_SBPRO_2,
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    /* AMR */
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    CODEC_ID_AMR_NB= 0x12000,
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    CODEC_ID_AMR_WB,
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    /* RealAudio codecs*/
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    CODEC_ID_RA_144= 0x13000,
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    CODEC_ID_RA_288,
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    /* various DPCM codecs */
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    CODEC_ID_ROQ_DPCM= 0x14000,
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    CODEC_ID_INTERPLAY_DPCM,
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    CODEC_ID_XAN_DPCM,
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    CODEC_ID_SOL_DPCM,
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    CODEC_ID_MP2= 0x15000,
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    CODEC_ID_MP3, /* prefered ID for MPEG Audio layer 1, 2 or3 decoding */
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    CODEC_ID_AAC,
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    CODEC_ID_MPEG4AAC,
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    CODEC_ID_AC3,
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    CODEC_ID_DTS,
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    CODEC_ID_VORBIS,
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    CODEC_ID_DVAUDIO,
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    CODEC_ID_WMAV1,
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    CODEC_ID_WMAV2,
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    CODEC_ID_MACE3,
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    CODEC_ID_MACE6,
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    CODEC_ID_VMDAUDIO,
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    CODEC_ID_SONIC,
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    CODEC_ID_SONIC_LS,
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    CODEC_ID_FLAC,
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    CODEC_ID_MP3ADU,
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    CODEC_ID_MP3ON4,
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    CODEC_ID_SHORTEN,
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    CODEC_ID_ALAC,
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    CODEC_ID_WESTWOOD_SND1,
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    CODEC_ID_GSM,
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    CODEC_ID_QDM2,
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    CODEC_ID_COOK,
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    CODEC_ID_TRUESPEECH,
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    CODEC_ID_TTA,
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    CODEC_ID_OGGTHEORA= 0x16000,
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    /* subtitle codecs */
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    CODEC_ID_DVD_SUBTITLE= 0x17000,
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    CODEC_ID_DVB_SUBTITLE,
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    CODEC_ID_MPEG2TS= 0x20000, /* _FAKE_ codec to indicate a raw MPEG2 transport
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                         stream (only used by libavformat) */
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};
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/* CODEC_ID_MP3LAME is absolete */
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#define CODEC_ID_MP3LAME CODEC_ID_MP3
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enum CodecType {
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    CODEC_TYPE_UNKNOWN = -1,
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    CODEC_TYPE_VIDEO,
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    CODEC_TYPE_AUDIO,
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    CODEC_TYPE_DATA,
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    CODEC_TYPE_SUBTITLE,
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};
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/**
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 * Pixel format. Notes:
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 *
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 * PIX_FMT_RGBA32 is handled in an endian-specific manner. A RGBA
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 * color is put together as:
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 *  (A << 24) | (R << 16) | (G << 8) | B
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 * This is stored as BGRA on little endian CPU architectures and ARGB on
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 * big endian CPUs.
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 *
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 * When the pixel format is palettized RGB (PIX_FMT_PAL8), the palettized
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 * image data is stored in AVFrame.data[0]. The palette is transported in
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 * AVFrame.data[1] and, is 1024 bytes long (256 4-byte entries) and is
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 * formatted the same as in PIX_FMT_RGBA32 described above (i.e., it is
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 * also endian-specific). Note also that the individual RGB palette
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 * components stored in AVFrame.data[1] should be in the range 0..255.
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 * This is important as many custom PAL8 video codecs that were designed
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 * to run on the IBM VGA graphics adapter use 6-bit palette components.
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 */
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enum PixelFormat {
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    PIX_FMT_NONE= -1,
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    PIX_FMT_YUV420P,   ///< Planar YUV 4:2:0 (1 Cr & Cb sample per 2x2 Y samples)
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    PIX_FMT_YUV422,    ///< Packed pixel, Y0 Cb Y1 Cr
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    PIX_FMT_RGB24,     ///< Packed pixel, 3 bytes per pixel, RGBRGB...
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    PIX_FMT_BGR24,     ///< Packed pixel, 3 bytes per pixel, BGRBGR...
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    PIX_FMT_YUV422P,   ///< Planar YUV 4:2:2 (1 Cr & Cb sample per 2x1 Y samples)
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    PIX_FMT_YUV444P,   ///< Planar YUV 4:4:4 (1 Cr & Cb sample per 1x1 Y samples)
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    PIX_FMT_RGBA32,    ///< Packed pixel, 4 bytes per pixel, BGRABGRA..., stored in cpu endianness
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    PIX_FMT_YUV410P,   ///< Planar YUV 4:1:0 (1 Cr & Cb sample per 4x4 Y samples)
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    PIX_FMT_YUV411P,   ///< Planar YUV 4:1:1 (1 Cr & Cb sample per 4x1 Y samples)
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    PIX_FMT_RGB565,    ///< always stored in cpu endianness
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    PIX_FMT_RGB555,    ///< always stored in cpu endianness, most significant bit to 1
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    PIX_FMT_GRAY8,
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    PIX_FMT_MONOWHITE, ///< 0 is white
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    PIX_FMT_MONOBLACK, ///< 0 is black
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    PIX_FMT_PAL8,      ///< 8 bit with RGBA palette
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    PIX_FMT_YUVJ420P,  ///< Planar YUV 4:2:0 full scale (jpeg)
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    PIX_FMT_YUVJ422P,  ///< Planar YUV 4:2:2 full scale (jpeg)
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    PIX_FMT_YUVJ444P,  ///< Planar YUV 4:4:4 full scale (jpeg)
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    PIX_FMT_XVMC_MPEG2_MC,///< XVideo Motion Acceleration via common packet passing(xvmc_render.h)
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    PIX_FMT_XVMC_MPEG2_IDCT,
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    PIX_FMT_UYVY422,   ///< Packed pixel, Cb Y0 Cr Y1
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    PIX_FMT_UYVY411,   ///< Packed pixel, Cb Y0 Y1 Cr Y2 Y3
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    PIX_FMT_NB,
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};
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/* currently unused, may be used if 24/32 bits samples ever supported */
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enum SampleFormat {
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    SAMPLE_FMT_S16 = 0,         ///< signed 16 bits
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    SAMPLE_FMT_S32,             ///< signed 32 bits
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    SAMPLE_FMT_FLT,             ///< float
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    SAMPLE_FMT_DBL,             ///< double
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};
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/* in bytes */
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#define AVCODEC_MAX_AUDIO_FRAME_SIZE 192000 // 1 second of 48khz 32bit audio
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/**
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 * Required number of additionally allocated bytes at the end of the input bitstream for decoding.
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 * this is mainly needed because some optimized bitstream readers read
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 * 32 or 64 bit at once and could read over the end<br>
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 * Note, if the first 23 bits of the additional bytes are not 0 then damaged
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 * MPEG bitstreams could cause overread and segfault
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 */
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#define FF_INPUT_BUFFER_PADDING_SIZE 8
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/**
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 * minimum encoding buffer size.
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 * used to avoid some checks during header writing
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 */
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#define FF_MIN_BUFFER_SIZE 16384
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/* motion estimation type, EPZS by default */
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enum Motion_Est_ID {
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    ME_ZERO = 1,
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    ME_FULL,
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    ME_LOG,
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    ME_PHODS,
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    ME_EPZS,
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    ME_X1,
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    ME_HEX,
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    ME_UMH,
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    ME_ITER,
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};
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enum AVDiscard{
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//we leave some space between them for extensions (drop some keyframes for intra only or drop just some bidir frames)
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    AVDISCARD_NONE   =-16, ///< discard nothing
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    AVDISCARD_DEFAULT=  0, ///< discard useless packets like 0 size packets in avi
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    AVDISCARD_NONREF =  8, ///< discard all non reference
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    AVDISCARD_BIDIR  = 16, ///< discard all bidirectional frames
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    AVDISCARD_NONKEY = 32, ///< discard all frames except keyframes
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    AVDISCARD_ALL    = 48, ///< discard all
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};
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typedef struct RcOverride{
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    int start_frame;
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    int end_frame;
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    int qscale; // if this is 0 then quality_factor will be used instead
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    float quality_factor;
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} RcOverride;
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/* only for ME compatiblity with old apps */
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extern int motion_estimation_method;
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#define FF_MAX_B_FRAMES 16
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/* encoding support
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   these flags can be passed in AVCodecContext.flags before initing
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   Note: not everything is supported yet.
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*/
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#define CODEC_FLAG_QSCALE 0x0002  ///< use fixed qscale
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#define CODEC_FLAG_4MV    0x0004  ///< 4 MV per MB allowed / Advanced prediction for H263
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#define CODEC_FLAG_QPEL   0x0010  ///< use qpel MC
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#define CODEC_FLAG_GMC    0x0020  ///< use GMC
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#define CODEC_FLAG_MV0    0x0040  ///< always try a MB with MV=<0,0>
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#define CODEC_FLAG_PART   0x0080  ///< use data partitioning
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/* parent program gurantees that the input for b-frame containing streams is not written to
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   for at least s->max_b_frames+1 frames, if this is not set than the input will be copied */
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#define CODEC_FLAG_INPUT_PRESERVED 0x0100
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#define CODEC_FLAG_PASS1 0x0200   ///< use internal 2pass ratecontrol in first  pass mode
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#define CODEC_FLAG_PASS2 0x0400   ///< use internal 2pass ratecontrol in second pass mode
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#define CODEC_FLAG_EXTERN_HUFF 0x1000 ///< use external huffman table (for mjpeg)
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#define CODEC_FLAG_GRAY  0x2000   ///< only decode/encode grayscale
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#define CODEC_FLAG_EMU_EDGE 0x4000///< don't draw edges
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#define CODEC_FLAG_PSNR           0x8000 ///< error[?] variables will be set during encoding
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#define CODEC_FLAG_TRUNCATED  0x00010000 /** input bitstream might be truncated at a random location instead
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                                            of only at frame boundaries */
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#define CODEC_FLAG_NORMALIZE_AQP  0x00020000 ///< normalize adaptive quantization
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#define CODEC_FLAG_INTERLACED_DCT 0x00040000 ///< use interlaced dct
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#define CODEC_FLAG_LOW_DELAY      0x00080000 ///< force low delay
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#define CODEC_FLAG_ALT_SCAN       0x00100000 ///< use alternate scan
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#define CODEC_FLAG_TRELLIS_QUANT  0x00200000 ///< use trellis quantization
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#define CODEC_FLAG_GLOBAL_HEADER  0x00400000 ///< place global headers in extradata instead of every keyframe
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#define CODEC_FLAG_BITEXACT       0x00800000 ///< use only bitexact stuff (except (i)dct)
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/* Fx : Flag for h263+ extra options */
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#define CODEC_FLAG_H263P_AIC      0x01000000 ///< H263 Advanced intra coding / MPEG4 AC prediction (remove this)
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#define CODEC_FLAG_AC_PRED        0x01000000 ///< H263 Advanced intra coding / MPEG4 AC prediction
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#define CODEC_FLAG_H263P_UMV      0x02000000 ///< Unlimited motion vector
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#define CODEC_FLAG_CBP_RD         0x04000000 ///< use rate distortion optimization for cbp
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#define CODEC_FLAG_QP_RD          0x08000000 ///< use rate distortion optimization for qp selectioon
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#define CODEC_FLAG_H263P_AIV      0x00000008 ///< H263 Alternative inter vlc
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#define CODEC_FLAG_OBMC           0x00000001 ///< OBMC
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#define CODEC_FLAG_LOOP_FILTER    0x00000800 ///< loop filter
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#define CODEC_FLAG_H263P_SLICE_STRUCT 0x10000000
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#define CODEC_FLAG_INTERLACED_ME  0x20000000 ///< interlaced motion estimation
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#define CODEC_FLAG_SVCD_SCAN_OFFSET 0x40000000 ///< will reserve space for SVCD scan offset user data
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#define CODEC_FLAG_CLOSED_GOP     0x80000000
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#define CODEC_FLAG2_FAST          0x00000001 ///< allow non spec compliant speedup tricks
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#define CODEC_FLAG2_STRICT_GOP    0x00000002 ///< strictly enforce GOP size
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#define CODEC_FLAG2_NO_OUTPUT     0x00000004 ///< skip bitstream encoding
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#define CODEC_FLAG2_LOCAL_HEADER  0x00000008 ///< place global headers at every keyframe instead of in extradata
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#define CODEC_FLAG2_BPYRAMID      0x00000010 ///< H.264 allow b-frames to be used as references
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#define CODEC_FLAG2_WPRED         0x00000020 ///< H.264 weighted biprediction for b-frames
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#define CODEC_FLAG2_MIXED_REFS    0x00000040 ///< H.264 multiple references per partition
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#define CODEC_FLAG2_8X8DCT        0x00000080 ///< H.264 high profile 8x8 transform
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#define CODEC_FLAG2_FASTPSKIP     0x00000100 ///< H.264 fast pskip
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#define CODEC_FLAG2_AUD           0x00000200 ///< H.264 access unit delimiters
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#define CODEC_FLAG2_BRDO          0x00000400 ///< b-frame rate-distortion optimization
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/* Unsupported options :
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 *              Syntax Arithmetic coding (SAC)
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 *              Reference Picture Selection
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 *              Independant Segment Decoding */
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/* /Fx */
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/* codec capabilities */
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#define CODEC_CAP_DRAW_HORIZ_BAND 0x0001 ///< decoder can use draw_horiz_band callback
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/**
392
 * Codec uses get_buffer() for allocating buffers.
393
 * direct rendering method 1
394
 */
395
#define CODEC_CAP_DR1             0x0002
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/* if 'parse_only' field is true, then avcodec_parse_frame() can be
397
   used */
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#define CODEC_CAP_PARSE_ONLY      0x0004
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#define CODEC_CAP_TRUNCATED       0x0008
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/* codec can export data for HW decoding (XvMC) */
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#define CODEC_CAP_HWACCEL         0x0010
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/**
403
 * codec has a non zero delay and needs to be feeded with NULL at the end to get the delayed data.
404
 * if this is not set, the codec is guranteed to never be feeded with NULL data
405
 */
406
#define CODEC_CAP_DELAY           0x0020
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//the following defines may change, don't expect compatibility if you use them
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#define MB_TYPE_INTRA4x4   0x0001
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#define MB_TYPE_INTRA16x16 0x0002 //FIXME h264 specific
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#define MB_TYPE_INTRA_PCM  0x0004 //FIXME h264 specific
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#define MB_TYPE_16x16      0x0008
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#define MB_TYPE_16x8       0x0010
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#define MB_TYPE_8x16       0x0020
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#define MB_TYPE_8x8        0x0040
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#define MB_TYPE_INTERLACED 0x0080
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#define MB_TYPE_DIRECT2     0x0100 //FIXME
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#define MB_TYPE_ACPRED     0x0200
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#define MB_TYPE_GMC        0x0400
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#define MB_TYPE_SKIP       0x0800
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#define MB_TYPE_P0L0       0x1000
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#define MB_TYPE_P1L0       0x2000
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#define MB_TYPE_P0L1       0x4000
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#define MB_TYPE_P1L1       0x8000
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#define MB_TYPE_L0         (MB_TYPE_P0L0 | MB_TYPE_P1L0)
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#define MB_TYPE_L1         (MB_TYPE_P0L1 | MB_TYPE_P1L1)
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#define MB_TYPE_L0L1       (MB_TYPE_L0   | MB_TYPE_L1)
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#define MB_TYPE_QUANT      0x00010000
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#define MB_TYPE_CBP        0x00020000
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//Note bits 24-31 are reserved for codec specific use (h264 ref0, mpeg1 0mv, ...)
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/**
433
 * Pan Scan area.
434
 * this specifies the area which should be displayed. Note there may be multiple such areas for one frame
435
 */
436
typedef struct AVPanScan{
437
    /**
438
     * id.
439
     * - encoding: set by user.
440
     * - decoding: set by lavc
441
     */
442
    int id;
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444
    /**
445
     * width and height in 1/16 pel
446
     * - encoding: set by user.
447
     * - decoding: set by lavc
448
     */
449
    int width;
450
    int height;
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452
    /**
453
     * position of the top left corner in 1/16 pel for up to 3 fields/frames.
454
     * - encoding: set by user.
455
     * - decoding: set by lavc
456
     */
457
    int16_t position[3][2];
458
}AVPanScan;
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460
#define FF_COMMON_FRAME \
461
    /**\
462
     * pointer to the picture planes.\
463
     * this might be different from the first allocated byte\
464
     * - encoding: \
465
     * - decoding: \
466
     */\
467
    uint8_t *data[4];\
468
    int linesize[4];\
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    /**\
470
     * pointer to the first allocated byte of the picture. can be used in get_buffer/release_buffer\
471
     * this isn't used by lavc unless the default get/release_buffer() is used\
472
     * - encoding: \
473
     * - decoding: \
474
     */\
475
    uint8_t *base[4];\
476
    /**\
477
     * 1 -> keyframe, 0-> not\
478
     * - encoding: set by lavc\
479
     * - decoding: set by lavc\
480
     */\
481
    int key_frame;\
482
\
483
    /**\
484
     * picture type of the frame, see ?_TYPE below.\
485
     * - encoding: set by lavc for coded_picture (and set by user for input)\
486
     * - decoding: set by lavc\
487
     */\
488
    int pict_type;\
489
\
490
    /**\
491
     * presentation timestamp in time_base units (time when frame should be shown to user)\
492
     * if AV_NOPTS_VALUE then frame_rate = 1/time_base will be assumed\
493
     * - encoding: MUST be set by user\
494
     * - decoding: set by lavc\
495
     */\
496
    int64_t pts;\
497
\
498
    /**\
499
     * picture number in bitstream order.\
500
     * - encoding: set by\
501
     * - decoding: set by lavc\
502
     */\
503
    int coded_picture_number;\
504
    /**\
505
     * picture number in display order.\
506
     * - encoding: set by\
507
     * - decoding: set by lavc\
508
     */\
509
    int display_picture_number;\
510
\
511
    /**\
512
     * quality (between 1 (good) and FF_LAMBDA_MAX (bad)) \
513
     * - encoding: set by lavc for coded_picture (and set by user for input)\
514
     * - decoding: set by lavc\
515
     */\
516
    int quality; \
517
\
518
    /**\
519
     * buffer age (1->was last buffer and dint change, 2->..., ...).\
520
     * set to INT_MAX if the buffer has not been used yet \
521
     * - encoding: unused\
522
     * - decoding: MUST be set by get_buffer()\
523
     */\
524
    int age;\
525
\
526
    /**\
527
     * is this picture used as reference\
528
     * - encoding: unused\
529
     * - decoding: set by lavc (before get_buffer() call))\
530
     */\
531
    int reference;\
532
\
533
    /**\
534
     * QP table\
535
     * - encoding: unused\
536
     * - decoding: set by lavc\
537
     */\
538
    int8_t *qscale_table;\
539
    /**\
540
     * QP store stride\
541
     * - encoding: unused\
542
     * - decoding: set by lavc\
543
     */\
544
    int qstride;\
545
\
546
    /**\
547
     * mbskip_table[mb]>=1 if MB didnt change\
548
     * stride= mb_width = (width+15)>>4\
549
     * - encoding: unused\
550
     * - decoding: set by lavc\
551
     */\
552
    uint8_t *mbskip_table;\
553
\
554
    /**\
555
     * Motion vector table.\
556
     * @code\
557
     * example:\
558
     * int mv_sample_log2= 4 - motion_subsample_log2;\
559
     * int mb_width= (width+15)>>4;\
560
     * int mv_stride= (mb_width << mv_sample_log2) + 1;\
561
     * motion_val[direction][x + y*mv_stride][0->mv_x, 1->mv_y];\
562
     * @endcode\
563
     * - encoding: set by user\
564
     * - decoding: set by lavc\
565
     */\
566
    int16_t (*motion_val[2])[2];\
567
\
568
    /**\
569
     * Macroblock type table\
570
     * mb_type_base + mb_width + 2\
571
     * - encoding: set by user\
572
     * - decoding: set by lavc\
573
     */\
574
    uint32_t *mb_type;\
575
\
576
    /**\
577
     * log2 of the size of the block which a single vector in motion_val represents: \
578
     * (4->16x16, 3->8x8, 2-> 4x4, 1-> 2x2)\
579
     * - encoding: unused\
580
     * - decoding: set by lavc\
581
     */\
582
    uint8_t motion_subsample_log2;\
583
\
584
    /**\
585
     * for some private data of the user\
586
     * - encoding: unused\
587
     * - decoding: set by user\
588
     */\
589
    void *opaque;\
590
\
591
    /**\
592
     * error\
593
     * - encoding: set by lavc if flags&CODEC_FLAG_PSNR\
594
     * - decoding: unused\
595
     */\
596
    uint64_t error[4];\
597
\
598
    /**\
599
     * type of the buffer (to keep track of who has to dealloc data[*])\
600
     * - encoding: set by the one who allocs it\
601
     * - decoding: set by the one who allocs it\
602
     * Note: user allocated (direct rendering) & internal buffers can not coexist currently\
603
     */\
604
    int type;\
605
    \
606
    /**\
607
     * when decoding, this signal how much the picture must be delayed.\
608
     * extra_delay = repeat_pict / (2*fps)\
609
     * - encoding: unused\
610
     * - decoding: set by lavc\
611
     */\
612
    int repeat_pict;\
613
    \
614
    /**\
615
     * \
616
     */\
617
    int qscale_type;\
618
    \
619
    /**\
620
     * The content of the picture is interlaced.\
621
     * - encoding: set by user\
622
     * - decoding: set by lavc (default 0)\
623
     */\
624
    int interlaced_frame;\
625
    \
626
    /**\
627
     * if the content is interlaced, is top field displayed first.\
628
     * - encoding: set by user\
629
     * - decoding: set by lavc\
630
     */\
631
    int top_field_first;\
632
    \
633
    /**\
634
     * Pan scan.\
635
     * - encoding: set by user\
636
     * - decoding: set by lavc\
637
     */\
638
    AVPanScan *pan_scan;\
639
    \
640
    /**\
641
     * tell user application that palette has changed from previous frame.\
642
     * - encoding: ??? (no palette-enabled encoder yet)\
643
     * - decoding: set by lavc (default 0)\
644
     */\
645
    int palette_has_changed;\
646
    \
647
    /**\
648
     * Codec suggestion on buffer type if != 0\
649
     * - encoding: unused\
650
     * - decoding: set by lavc (before get_buffer() call))\
651
     */\
652
    int buffer_hints;\
653
\
654
    /**\
655
     * DCT coeffitients\
656
     * - encoding: unused\
657
     * - decoding: set by lavc\
658
     */\
659
    short *dct_coeff;\
660
\
661
    /**\
662
     * Motion referece frame index\
663
     * - encoding: set by user\
664
     * - decoding: set by lavc\
665
     */\
666
    int8_t *ref_index[2];
667

    
668
#define FF_QSCALE_TYPE_MPEG1 0
669
#define FF_QSCALE_TYPE_MPEG2 1
670
#define FF_QSCALE_TYPE_H264  2
671

    
672
#define FF_BUFFER_TYPE_INTERNAL 1
673
#define FF_BUFFER_TYPE_USER     2 ///< Direct rendering buffers (image is (de)allocated by user)
674
#define FF_BUFFER_TYPE_SHARED   4 ///< buffer from somewhere else, don't dealloc image (data/base), all other tables are not shared
675
#define FF_BUFFER_TYPE_COPY     8 ///< just a (modified) copy of some other buffer, don't dealloc anything
676

    
677

    
678
#define FF_I_TYPE 1 // Intra
679
#define FF_P_TYPE 2 // Predicted
680
#define FF_B_TYPE 3 // Bi-dir predicted
681
#define FF_S_TYPE 4 // S(GMC)-VOP MPEG4
682
#define FF_SI_TYPE 5
683
#define FF_SP_TYPE 6
684

    
685
#define FF_BUFFER_HINTS_VALID    0x01 // Buffer hints value is meaningful (if 0 ignore)
686
#define FF_BUFFER_HINTS_READABLE 0x02 // Codec will read from buffer
687
#define FF_BUFFER_HINTS_PRESERVE 0x04 // User must not alter buffer content
688
#define FF_BUFFER_HINTS_REUSABLE 0x08 // Codec will reuse the buffer (update)
689

    
690
/**
691
 * Audio Video Frame.
692
 */
693
typedef struct AVFrame {
694
    FF_COMMON_FRAME
695
} AVFrame;
696

    
697
#define DEFAULT_FRAME_RATE_BASE 1001000
698

    
699
/**
700
 * Used by av_log
701
 */
702
typedef struct AVCLASS AVClass;
703
struct AVCLASS {
704
    const char* class_name;
705
    const char* (*item_name)(void*); /* actually passing a pointer to an AVCodecContext
706
                                        or AVFormatContext, which begin with an AVClass.
707
                                        Needed because av_log is in libavcodec and has no visibility
708
                                        of AVIn/OutputFormat */
709
    struct AVOption *option;
710
};
711

    
712
/**
713
 * main external api structure.
714
 */
715
typedef struct AVCodecContext {
716
    /**
717
     * Info on struct for av_log
718
     * - set by avcodec_alloc_context
719
     */
720
    AVClass *av_class;
721
    /**
722
     * the average bitrate.
723
     * - encoding: set by user. unused for constant quantizer encoding
724
     * - decoding: set by lavc. 0 or some bitrate if this info is available in the stream
725
     */
726
    int bit_rate;
727

    
728
    /**
729
     * number of bits the bitstream is allowed to diverge from the reference.
730
     *           the reference can be CBR (for CBR pass1) or VBR (for pass2)
731
     * - encoding: set by user. unused for constant quantizer encoding
732
     * - decoding: unused
733
     */
734
    int bit_rate_tolerance;
735

    
736
    /**
737
     * CODEC_FLAG_*.
738
     * - encoding: set by user.
739
     * - decoding: set by user.
740
     */
741
    int flags;
742

    
743
    /**
744
     * some codecs needs additionnal format info. It is stored here
745
     * - encoding: set by user.
746
     * - decoding: set by lavc. (FIXME is this ok?)
747
     */
748
    int sub_id;
749

    
750
    /**
751
     * motion estimation algorithm used for video coding.
752
     * 1 (zero), 2 (full), 3 (log), 4 (phods), 5 (epzs), 6 (x1), 7 (hex),
753
     * 8 (umh), 9 (iter) [7, 8 are x264 specific, 9 is snow specific]
754
     * - encoding: MUST be set by user.
755
     * - decoding: unused
756
     */
757
    int me_method;
758

    
759
    /**
760
     * some codecs need / can use extra-data like huffman tables.
761
     * mjpeg: huffman tables
762
     * rv10: additional flags
763
     * mpeg4: global headers (they can be in the bitstream or here)
764
     * the allocated memory should be FF_INPUT_BUFFER_PADDING_SIZE bytes larger
765
     * then extradata_size to avoid prolems if its read with the bitstream reader
766
     * the bytewise contents of extradata must not depend on the architecture or cpu endianness
767
     * - encoding: set/allocated/freed by lavc.
768
     * - decoding: set/allocated/freed by user.
769
     */
770
    void *extradata;
771
    int extradata_size;
772

    
773
    /**
774
     * this is the fundamental unit of time (in seconds) in terms
775
     * of which frame timestamps are represented. for fixed-fps content,
776
     * timebase should be 1/framerate and timestamp increments should be
777
     * identically 1.
778
     * - encoding: MUST be set by user
779
     * - decoding: set by lavc.
780
     */
781
    AVRational time_base;
782

    
783
    /* video only */
784
    /**
785
     * picture width / height.
786
     * - encoding: MUST be set by user.
787
     * - decoding: set by lavc.
788
     * Note, for compatibility its possible to set this instead of
789
     * coded_width/height before decoding
790
     */
791
    int width, height;
792

    
793
#define FF_ASPECT_EXTENDED 15
794

    
795
    /**
796
     * the number of pictures in a group of pitures, or 0 for intra_only.
797
     * - encoding: set by user.
798
     * - decoding: unused
799
     */
800
    int gop_size;
801

    
802
    /**
803
     * pixel format, see PIX_FMT_xxx.
804
     * - encoding: set by user.
805
     * - decoding: set by lavc.
806
     */
807
    enum PixelFormat pix_fmt;
808

    
809
    /**
810
     * Frame rate emulation. If not zero lower layer (i.e. format handler)
811
     * has to read frames at native frame rate.
812
     * - encoding: set by user.
813
     * - decoding: unused.
814
     */
815
    int rate_emu;
816

    
817
    /**
818
     * if non NULL, 'draw_horiz_band' is called by the libavcodec
819
     * decoder to draw an horizontal band. It improve cache usage. Not
820
     * all codecs can do that. You must check the codec capabilities
821
     * before
822
     * - encoding: unused
823
     * - decoding: set by user.
824
     * @param height the height of the slice
825
     * @param y the y position of the slice
826
     * @param type 1->top field, 2->bottom field, 3->frame
827
     * @param offset offset into the AVFrame.data from which the slice should be read
828
     */
829
    void (*draw_horiz_band)(struct AVCodecContext *s,
830
                            const AVFrame *src, int offset[4],
831
                            int y, int type, int height);
832

    
833
    /* audio only */
834
    int sample_rate; ///< samples per sec
835
    int channels;
836

    
837
    /**
838
     * audio sample format.
839
     * - encoding: set by user.
840
     * - decoding: set by lavc.
841
     */
842
    enum SampleFormat sample_fmt;  ///< sample format, currenly unused
843

    
844
    /* the following data should not be initialized */
845
    /**
846
     * samples per packet. initialized when calling 'init'
847
     */
848
    int frame_size;
849
    int frame_number;   ///< audio or video frame number
850
    int real_pict_num;  ///< returns the real picture number of previous encoded frame
851

    
852
    /**
853
     * number of frames the decoded output will be delayed relative to
854
     * the encoded input.
855
     * - encoding: set by lavc.
856
     * - decoding: unused
857
     */
858
    int delay;
859

    
860
    /* - encoding parameters */
861
    float qcompress;  ///< amount of qscale change between easy & hard scenes (0.0-1.0)
862
    float qblur;      ///< amount of qscale smoothing over time (0.0-1.0)
863

    
864
    /**
865
     * minimum quantizer.
866
     * - encoding: set by user.
867
     * - decoding: unused
868
     */
869
    int qmin;
870

    
871
    /**
872
     * maximum quantizer.
873
     * - encoding: set by user.
874
     * - decoding: unused
875
     */
876
    int qmax;
877

    
878
    /**
879
     * maximum quantizer difference etween frames.
880
     * - encoding: set by user.
881
     * - decoding: unused
882
     */
883
    int max_qdiff;
884

    
885
    /**
886
     * maximum number of b frames between non b frames.
887
     * note: the output will be delayed by max_b_frames+1 relative to the input
888
     * - encoding: set by user.
889
     * - decoding: unused
890
     */
891
    int max_b_frames;
892

    
893
    /**
894
     * qscale factor between ip and b frames.
895
     * - encoding: set by user.
896
     * - decoding: unused
897
     */
898
    float b_quant_factor;
899

    
900
    /** obsolete FIXME remove */
901
    int rc_strategy;
902
#define FF_RC_STRATEGY_XVID 1
903

    
904
    int b_frame_strategy;
905

    
906
    /**
907
     * hurry up amount.
908
     * deprecated in favor of skip_idct and skip_frame
909
     * - encoding: unused
910
     * - decoding: set by user. 1-> skip b frames, 2-> skip idct/dequant too, 5-> skip everything except header
911
     */
912
    int hurry_up;
913

    
914
    struct AVCodec *codec;
915

    
916
    void *priv_data;
917

    
918
    /* unused, FIXME remove*/
919
    int rtp_mode;
920

    
921
    int rtp_payload_size;   /* The size of the RTP payload: the coder will  */
922
                            /* do it's best to deliver a chunk with size    */
923
                            /* below rtp_payload_size, the chunk will start */
924
                            /* with a start code on some codecs like H.263  */
925
                            /* This doesn't take account of any particular  */
926
                            /* headers inside the transmited RTP payload    */
927

    
928

    
929
    /* The RTP callback: This function is called   */
930
    /* every time the encoder has a packet to send */
931
    /* Depends on the encoder if the data starts   */
932
    /* with a Start Code (it should) H.263 does.   */
933
    /* mb_nb contains the number of macroblocks    */
934
    /* encoded in the RTP payload                  */
935
    void (*rtp_callback)(struct AVCodecContext *avctx, void *data, int size, int mb_nb);
936

    
937
    /* statistics, used for 2-pass encoding */
938
    int mv_bits;
939
    int header_bits;
940
    int i_tex_bits;
941
    int p_tex_bits;
942
    int i_count;
943
    int p_count;
944
    int skip_count;
945
    int misc_bits;
946

    
947
    /**
948
     * number of bits used for the previously encoded frame.
949
     * - encoding: set by lavc
950
     * - decoding: unused
951
     */
952
    int frame_bits;
953

    
954
    /**
955
     * private data of the user, can be used to carry app specific stuff.
956
     * - encoding: set by user
957
     * - decoding: set by user
958
     */
959
    void *opaque;
960

    
961
    char codec_name[32];
962
    enum CodecType codec_type; /* see CODEC_TYPE_xxx */
963
    enum CodecID codec_id; /* see CODEC_ID_xxx */
964

    
965
    /**
966
     * fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
967
     * this is used to workaround some encoder bugs
968
     * - encoding: set by user, if not then the default based on codec_id will be used
969
     * - decoding: set by user, will be converted to upper case by lavc during init
970
     */
971
    unsigned int codec_tag;
972

    
973
    /**
974
     * workaround bugs in encoders which sometimes cannot be detected automatically.
975
     * - encoding: set by user
976
     * - decoding: set by user
977
     */
978
    int workaround_bugs;
979
#define FF_BUG_AUTODETECT       1  ///< autodetection
980
#define FF_BUG_OLD_MSMPEG4      2
981
#define FF_BUG_XVID_ILACE       4
982
#define FF_BUG_UMP4             8
983
#define FF_BUG_NO_PADDING       16
984
#define FF_BUG_AMV              32
985
#define FF_BUG_AC_VLC           0  ///< will be removed, libavcodec can now handle these non compliant files by default
986
#define FF_BUG_QPEL_CHROMA      64
987
#define FF_BUG_STD_QPEL         128
988
#define FF_BUG_QPEL_CHROMA2     256
989
#define FF_BUG_DIRECT_BLOCKSIZE 512
990
#define FF_BUG_EDGE             1024
991
#define FF_BUG_HPEL_CHROMA      2048
992
#define FF_BUG_DC_CLIP          4096
993
#define FF_BUG_MS               8192 ///< workaround various bugs in microsofts broken decoders
994
//#define FF_BUG_FAKE_SCALABILITY 16 //autodetection should work 100%
995

    
996
    /**
997
     * luma single coeff elimination threshold.
998
     * - encoding: set by user
999
     * - decoding: unused
1000
     */
1001
    int luma_elim_threshold;
1002

    
1003
    /**
1004
     * chroma single coeff elimination threshold.
1005
     * - encoding: set by user
1006
     * - decoding: unused
1007
     */
1008
    int chroma_elim_threshold;
1009

    
1010
    /**
1011
     * strictly follow the std (MPEG4, ...).
1012
     * - encoding: set by user
1013
     * - decoding: unused
1014
     */
1015
    int strict_std_compliance;
1016
#define FF_COMPLIANCE_VERY_STRICT   2 ///< strictly conform to a older more strict version of the spec or reference software
1017
#define FF_COMPLIANCE_STRICT        1 ///< strictly conform to all the things in the spec no matter what consequences
1018
#define FF_COMPLIANCE_NORMAL        0
1019
#define FF_COMPLIANCE_INOFFICIAL   -1 ///< allow inofficial extensions
1020
#define FF_COMPLIANCE_EXPERIMENTAL -2 ///< allow non standarized experimental things
1021

    
1022
    /**
1023
     * qscale offset between ip and b frames.
1024
     * if > 0 then the last p frame quantizer will be used (q= lastp_q*factor+offset)
1025
     * if < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset)
1026
     * - encoding: set by user.
1027
     * - decoding: unused
1028
     */
1029
    float b_quant_offset;
1030

    
1031
    /**
1032
     * error resilience higher values will detect more errors but may missdetect
1033
     * some more or less valid parts as errors.
1034
     * - encoding: unused
1035
     * - decoding: set by user
1036
     */
1037
    int error_resilience;
1038
#define FF_ER_CAREFUL         1
1039
#define FF_ER_COMPLIANT       2
1040
#define FF_ER_AGGRESSIVE      3
1041
#define FF_ER_VERY_AGGRESSIVE 4
1042

    
1043
    /**
1044
     * called at the beginning of each frame to get a buffer for it.
1045
     * if pic.reference is set then the frame will be read later by lavc
1046
     * avcodec_align_dimensions() should be used to find the required width and
1047
     * height, as they normally need to be rounded up to the next multiple of 16
1048
     * - encoding: unused
1049
     * - decoding: set by lavc, user can override
1050
     */
1051
    int (*get_buffer)(struct AVCodecContext *c, AVFrame *pic);
1052

    
1053
    /**
1054
     * called to release buffers which where allocated with get_buffer.
1055
     * a released buffer can be reused in get_buffer()
1056
     * pic.data[*] must be set to NULL
1057
     * - encoding: unused
1058
     * - decoding: set by lavc, user can override
1059
     */
1060
    void (*release_buffer)(struct AVCodecContext *c, AVFrame *pic);
1061

    
1062
    /**
1063
     * if 1 the stream has a 1 frame delay during decoding.
1064
     * - encoding: set by lavc
1065
     * - decoding: set by lavc
1066
     */
1067
    int has_b_frames;
1068

    
1069
    /**
1070
     * number of bytes per packet if constant and known or 0
1071
     * used by some WAV based audio codecs
1072
     */
1073
    int block_align;
1074

    
1075
    int parse_only; /* - decoding only: if true, only parsing is done
1076
                       (function avcodec_parse_frame()). The frame
1077
                       data is returned. Only MPEG codecs support this now. */
1078

    
1079
    /**
1080
     * 0-> h263 quant 1-> mpeg quant.
1081
     * - encoding: set by user.
1082
     * - decoding: unused
1083
     */
1084
    int mpeg_quant;
1085

    
1086
    /**
1087
     * pass1 encoding statistics output buffer.
1088
     * - encoding: set by lavc
1089
     * - decoding: unused
1090
     */
1091
    char *stats_out;
1092

    
1093
    /**
1094
     * pass2 encoding statistics input buffer.
1095
     * concatenated stuff from stats_out of pass1 should be placed here
1096
     * - encoding: allocated/set/freed by user
1097
     * - decoding: unused
1098
     */
1099
    char *stats_in;
1100

    
1101
    /**
1102
     * ratecontrol qmin qmax limiting method.
1103
     * 0-> clipping, 1-> use a nice continous function to limit qscale wthin qmin/qmax
1104
     * - encoding: set by user.
1105
     * - decoding: unused
1106
     */
1107
    float rc_qsquish;
1108

    
1109
    float rc_qmod_amp;
1110
    int rc_qmod_freq;
1111

    
1112
    /**
1113
     * ratecontrol override, see RcOverride.
1114
     * - encoding: allocated/set/freed by user.
1115
     * - decoding: unused
1116
     */
1117
    RcOverride *rc_override;
1118
    int rc_override_count;
1119

    
1120
    /**
1121
     * rate control equation.
1122
     * - encoding: set by user
1123
     * - decoding: unused
1124
     */
1125
    char *rc_eq;
1126

    
1127
    /**
1128
     * maximum bitrate.
1129
     * - encoding: set by user.
1130
     * - decoding: unused
1131
     */
1132
    int rc_max_rate;
1133

    
1134
    /**
1135
     * minimum bitrate.
1136
     * - encoding: set by user.
1137
     * - decoding: unused
1138
     */
1139
    int rc_min_rate;
1140

    
1141
    /**
1142
     * decoder bitstream buffer size.
1143
     * - encoding: set by user.
1144
     * - decoding: unused
1145
     */
1146
    int rc_buffer_size;
1147
    float rc_buffer_aggressivity;
1148

    
1149
    /**
1150
     * qscale factor between p and i frames.
1151
     * if > 0 then the last p frame quantizer will be used (q= lastp_q*factor+offset)
1152
     * if < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset)
1153
     * - encoding: set by user.
1154
     * - decoding: unused
1155
     */
1156
    float i_quant_factor;
1157

    
1158
    /**
1159
     * qscale offset between p and i frames.
1160
     * - encoding: set by user.
1161
     * - decoding: unused
1162
     */
1163
    float i_quant_offset;
1164

    
1165
    /**
1166
     * initial complexity for pass1 ratecontrol.
1167
     * - encoding: set by user.
1168
     * - decoding: unused
1169
     */
1170
    float rc_initial_cplx;
1171

    
1172
    /**
1173
     * dct algorithm, see FF_DCT_* below.
1174
     * - encoding: set by user
1175
     * - decoding: unused
1176
     */
1177
    int dct_algo;
1178
#define FF_DCT_AUTO    0
1179
#define FF_DCT_FASTINT 1
1180
#define FF_DCT_INT     2
1181
#define FF_DCT_MMX     3
1182
#define FF_DCT_MLIB    4
1183
#define FF_DCT_ALTIVEC 5
1184
#define FF_DCT_FAAN    6
1185

    
1186
    /**
1187
     * luminance masking (0-> disabled).
1188
     * - encoding: set by user
1189
     * - decoding: unused
1190
     */
1191
    float lumi_masking;
1192

    
1193
    /**
1194
     * temporary complexity masking (0-> disabled).
1195
     * - encoding: set by user
1196
     * - decoding: unused
1197
     */
1198
    float temporal_cplx_masking;
1199

    
1200
    /**
1201
     * spatial complexity masking (0-> disabled).
1202
     * - encoding: set by user
1203
     * - decoding: unused
1204
     */
1205
    float spatial_cplx_masking;
1206

    
1207
    /**
1208
     * p block masking (0-> disabled).
1209
     * - encoding: set by user
1210
     * - decoding: unused
1211
     */
1212
    float p_masking;
1213

    
1214
    /**
1215
     * darkness masking (0-> disabled).
1216
     * - encoding: set by user
1217
     * - decoding: unused
1218
     */
1219
    float dark_masking;
1220

    
1221

    
1222
    /* for binary compatibility */
1223
    int unused;
1224

    
1225
    /**
1226
     * idct algorithm, see FF_IDCT_* below.
1227
     * - encoding: set by user
1228
     * - decoding: set by user
1229
     */
1230
    int idct_algo;
1231
#define FF_IDCT_AUTO         0
1232
#define FF_IDCT_INT          1
1233
#define FF_IDCT_SIMPLE       2
1234
#define FF_IDCT_SIMPLEMMX    3
1235
#define FF_IDCT_LIBMPEG2MMX  4
1236
#define FF_IDCT_PS2          5
1237
#define FF_IDCT_MLIB         6
1238
#define FF_IDCT_ARM          7
1239
#define FF_IDCT_ALTIVEC      8
1240
#define FF_IDCT_SH4          9
1241
#define FF_IDCT_SIMPLEARM    10
1242
#define FF_IDCT_H264         11
1243
#define FF_IDCT_VP3          12
1244
#define FF_IDCT_IPP          13
1245
#define FF_IDCT_XVIDMMX      14
1246

    
1247
    /**
1248
     * slice count.
1249
     * - encoding: set by lavc
1250
     * - decoding: set by user (or 0)
1251
     */
1252
    int slice_count;
1253
    /**
1254
     * slice offsets in the frame in bytes.
1255
     * - encoding: set/allocated by lavc
1256
     * - decoding: set/allocated by user (or NULL)
1257
     */
1258
    int *slice_offset;
1259

    
1260
    /**
1261
     * error concealment flags.
1262
     * - encoding: unused
1263
     * - decoding: set by user
1264
     */
1265
    int error_concealment;
1266
#define FF_EC_GUESS_MVS   1
1267
#define FF_EC_DEBLOCK     2
1268

    
1269
    /**
1270
     * dsp_mask could be add used to disable unwanted CPU features
1271
     * CPU features (i.e. MMX, SSE. ...)
1272
     *
1273
     * with FORCE flag you may instead enable given CPU features
1274
     * (Dangerous: usable in case of misdetection, improper usage however will
1275
     * result into program crash)
1276
     */
1277
    unsigned dsp_mask;
1278
#define FF_MM_FORCE    0x80000000 /* force usage of selected flags (OR) */
1279
    /* lower 16 bits - CPU features */
1280
#ifdef HAVE_MMX
1281
#define FF_MM_MMX      0x0001 /* standard MMX */
1282
#define FF_MM_3DNOW    0x0004 /* AMD 3DNOW */
1283
#define FF_MM_MMXEXT   0x0002 /* SSE integer functions or AMD MMX ext */
1284
#define FF_MM_SSE      0x0008 /* SSE functions */
1285
#define FF_MM_SSE2     0x0010 /* PIV SSE2 functions */
1286
#define FF_MM_3DNOWEXT 0x0020 /* AMD 3DNowExt */
1287
#endif /* HAVE_MMX */
1288
#ifdef HAVE_IWMMXT
1289
#define FF_MM_IWMMXT   0x0100 /* XScale IWMMXT */
1290
#endif /* HAVE_IWMMXT */
1291

    
1292
    /**
1293
     * bits per sample/pixel from the demuxer (needed for huffyuv).
1294
     * - encoding: set by lavc
1295
     * - decoding: set by user
1296
     */
1297
     int bits_per_sample;
1298

    
1299
    /**
1300
     * prediction method (needed for huffyuv).
1301
     * - encoding: set by user
1302
     * - decoding: unused
1303
     */
1304
     int prediction_method;
1305
#define FF_PRED_LEFT   0
1306
#define FF_PRED_PLANE  1
1307
#define FF_PRED_MEDIAN 2
1308

    
1309
    /**
1310
     * sample aspect ratio (0 if unknown).
1311
     * numerator and denominator must be relative prime and smaller then 256 for some video standards
1312
     * - encoding: set by user.
1313
     * - decoding: set by lavc.
1314
     */
1315
    AVRational sample_aspect_ratio;
1316

    
1317
    /**
1318
     * the picture in the bitstream.
1319
     * - encoding: set by lavc
1320
     * - decoding: set by lavc
1321
     */
1322
    AVFrame *coded_frame;
1323

    
1324
    /**
1325
     * debug.
1326
     * - encoding: set by user.
1327
     * - decoding: set by user.
1328
     */
1329
    int debug;
1330
#define FF_DEBUG_PICT_INFO 1
1331
#define FF_DEBUG_RC        2
1332
#define FF_DEBUG_BITSTREAM 4
1333
#define FF_DEBUG_MB_TYPE   8
1334
#define FF_DEBUG_QP        16
1335
#define FF_DEBUG_MV        32
1336
#define FF_DEBUG_DCT_COEFF 0x00000040
1337
#define FF_DEBUG_SKIP      0x00000080
1338
#define FF_DEBUG_STARTCODE 0x00000100
1339
#define FF_DEBUG_PTS       0x00000200
1340
#define FF_DEBUG_ER        0x00000400
1341
#define FF_DEBUG_MMCO      0x00000800
1342
#define FF_DEBUG_BUGS      0x00001000
1343
#define FF_DEBUG_VIS_QP    0x00002000
1344
#define FF_DEBUG_VIS_MB_TYPE 0x00004000
1345

    
1346
    /**
1347
     * debug.
1348
     * - encoding: set by user.
1349
     * - decoding: set by user.
1350
     */
1351
    int debug_mv;
1352
#define FF_DEBUG_VIS_MV_P_FOR  0x00000001 //visualize forward predicted MVs of P frames
1353
#define FF_DEBUG_VIS_MV_B_FOR  0x00000002 //visualize forward predicted MVs of B frames
1354
#define FF_DEBUG_VIS_MV_B_BACK 0x00000004 //visualize backward predicted MVs of B frames
1355

    
1356
    /**
1357
     * error.
1358
     * - encoding: set by lavc if flags&CODEC_FLAG_PSNR
1359
     * - decoding: unused
1360
     */
1361
    uint64_t error[4];
1362

    
1363
    /**
1364
     * minimum MB quantizer.
1365
     * - encoding: unused
1366
     * - decoding: unused
1367
     */
1368
    int mb_qmin;
1369

    
1370
    /**
1371
     * maximum MB quantizer.
1372
     * - encoding: unused
1373
     * - decoding: unused
1374
     */
1375
    int mb_qmax;
1376

    
1377
    /**
1378
     * motion estimation compare function.
1379
     * - encoding: set by user.
1380
     * - decoding: unused
1381
     */
1382
    int me_cmp;
1383
    /**
1384
     * subpixel motion estimation compare function.
1385
     * - encoding: set by user.
1386
     * - decoding: unused
1387
     */
1388
    int me_sub_cmp;
1389
    /**
1390
     * macroblock compare function (not supported yet).
1391
     * - encoding: set by user.
1392
     * - decoding: unused
1393
     */
1394
    int mb_cmp;
1395
    /**
1396
     * interlaced dct compare function
1397
     * - encoding: set by user.
1398
     * - decoding: unused
1399
     */
1400
    int ildct_cmp;
1401
#define FF_CMP_SAD  0
1402
#define FF_CMP_SSE  1
1403
#define FF_CMP_SATD 2
1404
#define FF_CMP_DCT  3
1405
#define FF_CMP_PSNR 4
1406
#define FF_CMP_BIT  5
1407
#define FF_CMP_RD   6
1408
#define FF_CMP_ZERO 7
1409
#define FF_CMP_VSAD 8
1410
#define FF_CMP_VSSE 9
1411
#define FF_CMP_NSSE 10
1412
#define FF_CMP_W53  11
1413
#define FF_CMP_W97  12
1414
#define FF_CMP_DCTMAX 13
1415
#define FF_CMP_DCT264 14
1416
#define FF_CMP_CHROMA 256
1417

    
1418
    /**
1419
     * ME diamond size & shape.
1420
     * - encoding: set by user.
1421
     * - decoding: unused
1422
     */
1423
    int dia_size;
1424

    
1425
    /**
1426
     * amount of previous MV predictors (2a+1 x 2a+1 square).
1427
     * - encoding: set by user.
1428
     * - decoding: unused
1429
     */
1430
    int last_predictor_count;
1431

    
1432
    /**
1433
     * pre pass for motion estimation.
1434
     * - encoding: set by user.
1435
     * - decoding: unused
1436
     */
1437
    int pre_me;
1438

    
1439
    /**
1440
     * motion estimation pre pass compare function.
1441
     * - encoding: set by user.
1442
     * - decoding: unused
1443
     */
1444
    int me_pre_cmp;
1445

    
1446
    /**
1447
     * ME pre pass diamond size & shape.
1448
     * - encoding: set by user.
1449
     * - decoding: unused
1450
     */
1451
    int pre_dia_size;
1452

    
1453
    /**
1454
     * subpel ME quality.
1455
     * - encoding: set by user.
1456
     * - decoding: unused
1457
     */
1458
    int me_subpel_quality;
1459

    
1460
    /**
1461
     * callback to negotiate the pixelFormat.
1462
     * @param fmt is the list of formats which are supported by the codec,
1463
     * its terminated by -1 as 0 is a valid format, the formats are ordered by quality
1464
     * the first is allways the native one
1465
     * @return the choosen format
1466
     * - encoding: unused
1467
     * - decoding: set by user, if not set then the native format will always be choosen
1468
     */
1469
    enum PixelFormat (*get_format)(struct AVCodecContext *s, const enum PixelFormat * fmt);
1470

    
1471
    /**
1472
     * DTG active format information (additionnal aspect ratio
1473
     * information only used in DVB MPEG2 transport streams). 0 if
1474
     * not set.
1475
     *
1476
     * - encoding: unused.
1477
     * - decoding: set by decoder
1478
     */
1479
    int dtg_active_format;
1480
#define FF_DTG_AFD_SAME         8
1481
#define FF_DTG_AFD_4_3          9
1482
#define FF_DTG_AFD_16_9         10
1483
#define FF_DTG_AFD_14_9         11
1484
#define FF_DTG_AFD_4_3_SP_14_9  13
1485
#define FF_DTG_AFD_16_9_SP_14_9 14
1486
#define FF_DTG_AFD_SP_4_3       15
1487

    
1488
    /**
1489
     * Maximum motion estimation search range in subpel units.
1490
     * if 0 then no limit
1491
     *
1492
     * - encoding: set by user.
1493
     * - decoding: unused.
1494
     */
1495
    int me_range;
1496

    
1497
    /**
1498
     * intra quantizer bias.
1499
     * - encoding: set by user.
1500
     * - decoding: unused
1501
     */
1502
    int intra_quant_bias;
1503
#define FF_DEFAULT_QUANT_BIAS 999999
1504

    
1505
    /**
1506
     * inter quantizer bias.
1507
     * - encoding: set by user.
1508
     * - decoding: unused
1509
     */
1510
    int inter_quant_bias;
1511

    
1512
    /**
1513
     * color table ID.
1514
     * - encoding: unused.
1515
     * - decoding: which clrtable should be used for 8bit RGB images
1516
     *             table have to be stored somewhere FIXME
1517
     */
1518
    int color_table_id;
1519

    
1520
    /**
1521
     * internal_buffer count.
1522
     * Don't touch, used by lavc default_get_buffer()
1523
     */
1524
    int internal_buffer_count;
1525

    
1526
    /**
1527
     * internal_buffers.
1528
     * Don't touch, used by lavc default_get_buffer()
1529
     */
1530
    void *internal_buffer;
1531

    
1532
#define FF_LAMBDA_SHIFT 7
1533
#define FF_LAMBDA_SCALE (1<<FF_LAMBDA_SHIFT)
1534
#define FF_QP2LAMBDA 118 ///< factor to convert from H.263 QP to lambda
1535
#define FF_LAMBDA_MAX (256*128-1)
1536

    
1537
#define FF_QUALITY_SCALE FF_LAMBDA_SCALE //FIXME maybe remove
1538
    /**
1539
     * global quality for codecs which cannot change it per frame.
1540
     * this should be proportional to MPEG1/2/4 qscale.
1541
     * - encoding: set by user.
1542
     * - decoding: unused
1543
     */
1544
    int global_quality;
1545

    
1546
#define FF_CODER_TYPE_VLC   0
1547
#define FF_CODER_TYPE_AC    1
1548
    /**
1549
     * coder type
1550
     * - encoding: set by user.
1551
     * - decoding: unused
1552
     */
1553
    int coder_type;
1554

    
1555
    /**
1556
     * context model
1557
     * - encoding: set by user.
1558
     * - decoding: unused
1559
     */
1560
    int context_model;
1561
#if 0
1562
    /**
1563
     *
1564
     * - encoding: unused
1565
     * - decoding: set by user.
1566
     */
1567
    uint8_t * (*realloc)(struct AVCodecContext *s, uint8_t *buf, int buf_size);
1568
#endif
1569

    
1570
    /**
1571
     * slice flags
1572
     * - encoding: unused
1573
     * - decoding: set by user.
1574
     */
1575
    int slice_flags;
1576
#define SLICE_FLAG_CODED_ORDER    0x0001 ///< draw_horiz_band() is called in coded order instead of display
1577
#define SLICE_FLAG_ALLOW_FIELD    0x0002 ///< allow draw_horiz_band() with field slices (MPEG2 field pics)
1578
#define SLICE_FLAG_ALLOW_PLANE    0x0004 ///< allow draw_horiz_band() with 1 component at a time (SVQ1)
1579

    
1580
    /**
1581
     * XVideo Motion Acceleration
1582
     * - encoding: forbidden
1583
     * - decoding: set by decoder
1584
     */
1585
    int xvmc_acceleration;
1586

    
1587
    /**
1588
     * macroblock decision mode
1589
     * - encoding: set by user.
1590
     * - decoding: unused
1591
     */
1592
    int mb_decision;
1593
#define FF_MB_DECISION_SIMPLE 0        ///< uses mb_cmp
1594
#define FF_MB_DECISION_BITS   1        ///< chooses the one which needs the fewest bits
1595
#define FF_MB_DECISION_RD     2        ///< rate distoration
1596

    
1597
    /**
1598
     * custom intra quantization matrix
1599
     * - encoding: set by user, can be NULL
1600
     * - decoding: set by lavc
1601
     */
1602
    uint16_t *intra_matrix;
1603

    
1604
    /**
1605
     * custom inter quantization matrix
1606
     * - encoding: set by user, can be NULL
1607
     * - decoding: set by lavc
1608
     */
1609
    uint16_t *inter_matrix;
1610

    
1611
    /**
1612
     * fourcc from the AVI stream header (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
1613
     * this is used to workaround some encoder bugs
1614
     * - encoding: unused
1615
     * - decoding: set by user, will be converted to upper case by lavc during init
1616
     */
1617
    unsigned int stream_codec_tag;
1618

    
1619
    /**
1620
     * scene change detection threshold.
1621
     * 0 is default, larger means fewer detected scene changes
1622
     * - encoding: set by user.
1623
     * - decoding: unused
1624
     */
1625
    int scenechange_threshold;
1626

    
1627
    /**
1628
     * minimum lagrange multipler
1629
     * - encoding: set by user.
1630
     * - decoding: unused
1631
     */
1632
    int lmin;
1633

    
1634
    /**
1635
     * maximum lagrange multipler
1636
     * - encoding: set by user.
1637
     * - decoding: unused
1638
     */
1639
    int lmax;
1640

    
1641
    /**
1642
     * Palette control structure
1643
     * - encoding: ??? (no palette-enabled encoder yet)
1644
     * - decoding: set by user.
1645
     */
1646
    struct AVPaletteControl *palctrl;
1647

    
1648
    /**
1649
     * noise reduction strength
1650
     * - encoding: set by user.
1651
     * - decoding: unused
1652
     */
1653
    int noise_reduction;
1654

    
1655
    /**
1656
     * called at the beginning of a frame to get cr buffer for it.
1657
     * buffer type (size, hints) must be the same. lavc won't check it.
1658
     * lavc will pass previous buffer in pic, function should return
1659
     * same buffer or new buffer with old frame "painted" into it.
1660
     * if pic.data[0] == NULL must behave like get_buffer().
1661
     * - encoding: unused
1662
     * - decoding: set by lavc, user can override
1663
     */
1664
    int (*reget_buffer)(struct AVCodecContext *c, AVFrame *pic);
1665

    
1666
    /**
1667
     * number of bits which should be loaded into the rc buffer before decoding starts
1668
     * - encoding: set by user.
1669
     * - decoding: unused
1670
     */
1671
    int rc_initial_buffer_occupancy;
1672

    
1673
    /**
1674
     *
1675
     * - encoding: set by user.
1676
     * - decoding: unused
1677
     */
1678
    int inter_threshold;
1679

    
1680
    /**
1681
     * CODEC_FLAG2_*.
1682
     * - encoding: set by user.
1683
     * - decoding: set by user.
1684
     */
1685
    int flags2;
1686

    
1687
    /**
1688
     * simulates errors in the bitstream to test error concealment.
1689
     * - encoding: set by user.
1690
     * - decoding: unused.
1691
     */
1692
    int error_rate;
1693

    
1694
    /**
1695
     * MP3 antialias algorithm, see FF_AA_* below.
1696
     * - encoding: unused
1697
     * - decoding: set by user
1698
     */
1699
    int antialias_algo;
1700
#define FF_AA_AUTO    0
1701
#define FF_AA_FASTINT 1 //not implemented yet
1702
#define FF_AA_INT     2
1703
#define FF_AA_FLOAT   3
1704
    /**
1705
     * Quantizer noise shaping.
1706
     * - encoding: set by user
1707
     * - decoding: unused
1708
     */
1709
    int quantizer_noise_shaping;
1710

    
1711
    /**
1712
     * Thread count.
1713
     * is used to decide how many independant tasks should be passed to execute()
1714
     * - encoding: set by user
1715
     * - decoding: set by user
1716
     */
1717
    int thread_count;
1718

    
1719
    /**
1720
     * the codec may call this to execute several independant things. it will return only after
1721
     * finishing all tasks, the user may replace this with some multithreaded implementation, the
1722
     * default implementation will execute the parts serially
1723
     * @param count the number of things to execute
1724
     * - encoding: set by lavc, user can override
1725
     * - decoding: set by lavc, user can override
1726
     */
1727
    int (*execute)(struct AVCodecContext *c, int (*func)(struct AVCodecContext *c2, void *arg), void **arg2, int *ret, int count);
1728

    
1729
    /**
1730
     * Thread opaque.
1731
     * can be used by execute() to store some per AVCodecContext stuff.
1732
     * - encoding: set by execute()
1733
     * - decoding: set by execute()
1734
     */
1735
    void *thread_opaque;
1736

    
1737
    /**
1738
     * Motion estimation threshold. under which no motion estimation is
1739
     * performed, but instead the user specified motion vectors are used
1740
     *
1741
     * - encoding: set by user
1742
     * - decoding: unused
1743
     */
1744
     int me_threshold;
1745

    
1746
    /**
1747
     * Macroblock threshold. under which the user specified macroblock types will be used
1748
     * - encoding: set by user
1749
     * - decoding: unused
1750
     */
1751
     int mb_threshold;
1752

    
1753
    /**
1754
     * precision of the intra dc coefficient - 8.
1755
     * - encoding: set by user
1756
     * - decoding: unused
1757
     */
1758
     int intra_dc_precision;
1759

    
1760
    /**
1761
     * noise vs. sse weight for the nsse comparsion function.
1762
     * - encoding: set by user
1763
     * - decoding: unused
1764
     */
1765
     int nsse_weight;
1766

    
1767
    /**
1768
     * number of macroblock rows at the top which are skipped.
1769
     * - encoding: unused
1770
     * - decoding: set by user
1771
     */
1772
     int skip_top;
1773

    
1774
    /**
1775
     * number of macroblock rows at the bottom which are skipped.
1776
     * - encoding: unused
1777
     * - decoding: set by user
1778
     */
1779
     int skip_bottom;
1780

    
1781
    /**
1782
     * profile
1783
     * - encoding: set by user
1784
     * - decoding: set by lavc
1785
     */
1786
     int profile;
1787
#define FF_PROFILE_UNKNOWN -99
1788

    
1789
    /**
1790
     * level
1791
     * - encoding: set by user
1792
     * - decoding: set by lavc
1793
     */
1794
     int level;
1795
#define FF_LEVEL_UNKNOWN -99
1796

    
1797
    /**
1798
     * low resolution decoding. 1-> 1/2 size, 2->1/4 size
1799
     * - encoding: unused
1800
     * - decoding: set by user
1801
     */
1802
     int lowres;
1803

    
1804
    /**
1805
     * bitsream width / height. may be different from width/height if lowres
1806
     * or other things are used
1807
     * - encoding: unused
1808
     * - decoding: set by user before init if known, codec should override / dynamically change if needed
1809
     */
1810
    int coded_width, coded_height;
1811

    
1812
    /**
1813
     * frame skip threshold
1814
     * - encoding: set by user
1815
     * - decoding: unused
1816
     */
1817
    int frame_skip_threshold;
1818

    
1819
    /**
1820
     * frame skip factor
1821
     * - encoding: set by user
1822
     * - decoding: unused
1823
     */
1824
    int frame_skip_factor;
1825

    
1826
    /**
1827
     * frame skip exponent
1828
     * - encoding: set by user
1829
     * - decoding: unused
1830
     */
1831
    int frame_skip_exp;
1832

    
1833
    /**
1834
     * frame skip comparission function
1835
     * - encoding: set by user.
1836
     * - decoding: unused
1837
     */
1838
    int frame_skip_cmp;
1839

    
1840
    /**
1841
     * border processing masking. raises the quantizer for mbs on the borders
1842
     * of the picture.
1843
     * - encoding: set by user
1844
     * - decoding: unused
1845
     */
1846
    float border_masking;
1847

    
1848
    /**
1849
     * minimum MB lagrange multipler.
1850
     * - encoding: set by user.
1851
     * - decoding: unused
1852
     */
1853
    int mb_lmin;
1854

    
1855
    /**
1856
     * maximum MB lagrange multipler.
1857
     * - encoding: set by user.
1858
     * - decoding: unused
1859
     */
1860
    int mb_lmax;
1861

    
1862
    /**
1863
     *
1864
     * - encoding: set by user.
1865
     * - decoding: unused
1866
     */
1867
    int me_penalty_compensation;
1868

    
1869
    /**
1870
     *
1871
     * - encoding: unused
1872
     * - decoding: set by user.
1873
     */
1874
    enum AVDiscard skip_loop_filter;
1875

    
1876
    /**
1877
     *
1878
     * - encoding: unused
1879
     * - decoding: set by user.
1880
     */
1881
    enum AVDiscard skip_idct;
1882

    
1883
    /**
1884
     *
1885
     * - encoding: unused
1886
     * - decoding: set by user.
1887
     */
1888
    enum AVDiscard skip_frame;
1889

    
1890
    /**
1891
     *
1892
     * - encoding: set by user.
1893
     * - decoding: unused
1894
     */
1895
    int bidir_refine;
1896

    
1897
    /**
1898
     *
1899
     * - encoding: set by user.
1900
     * - decoding: unused
1901
     */
1902
    int brd_scale;
1903

    
1904
    /**
1905
     * constant rate factor - quality-based VBR - values ~correspond to qps
1906
     * - encoding: set by user.
1907
     * - decoding: unused
1908
     */
1909
    int crf;
1910

    
1911
    /**
1912
     * constant quantization parameter rate control method
1913
     * - encoding: set by user.
1914
     * - decoding: unused
1915
     */
1916
    int cqp;
1917

    
1918
    /**
1919
     * minimum gop size
1920
     * - encoding: set by user.
1921
     * - decoding: unused
1922
     */
1923
    int keyint_min;
1924

    
1925
    /**
1926
     * number of reference frames
1927
     * - encoding: set by user.
1928
     * - decoding: unused
1929
     */
1930
    int refs;
1931

    
1932
    /**
1933
     * chroma qp offset from luma
1934
     * - encoding: set by user.
1935
     * - decoding: unused
1936
     */
1937
    int chromaoffset;
1938

    
1939
    /**
1940
     * influences how often b-frames are used
1941
     * - encoding: set by user.
1942
     * - decoding: unused
1943
     */
1944
    int bframebias;
1945

    
1946
    /**
1947
     * trellis RD quantization
1948
     * - encoding: set by user.
1949
     * - decoding: unused
1950
     */
1951
    int trellis;
1952

    
1953
    /**
1954
     * reduce fluctuations in qp (before curve compression)
1955
     * - encoding: set by user.
1956
     * - decoding: unused
1957
     */
1958
    float complexityblur;
1959

    
1960
    /**
1961
     * in-loop deblocking filter alphac0 parameter
1962
     * alpha is in the range -6...6
1963
     * - encoding: set by user.
1964
     * - decoding: unused
1965
     */
1966
    int deblockalpha;
1967

    
1968
    /**
1969
     * in-loop deblocking filter beta parameter
1970
     * beta is in the range -6...6
1971
     * - encoding: set by user.
1972
     * - decoding: unused
1973
     */
1974
    int deblockbeta;
1975

    
1976
    /**
1977
     * macroblock subpartition sizes to consider - p8x8, p4x4, b8x8, i8x8, i4x4
1978
     * - encoding: set by user.
1979
     * - decoding: unused
1980
     */
1981
    int partitions;
1982
#define X264_PART_I4X4 0x001  /* Analyse i4x4 */
1983
#define X264_PART_I8X8 0x002  /* Analyse i8x8 (requires 8x8 transform) */
1984
#define X264_PART_P8X8 0x010  /* Analyse p16x8, p8x16 and p8x8 */
1985
#define X264_PART_P4X4 0x020  /* Analyse p8x4, p4x8, p4x4 */
1986
#define X264_PART_B8X8 0x100  /* Analyse b16x8, b8x16 and b8x8 */
1987

    
1988
    /**
1989
     * direct mv prediction mode - 0 (none), 1 (spatial), 2 (temporal)
1990
     * - encoding: set by user.
1991
     * - decoding: unused
1992
     */
1993
    int directpred;
1994

    
1995
    /**
1996
     * audio cutoff bandwidth (0 means "automatic") . Currently used only by FAAC
1997
     * - encoding: set by user.
1998
     * - decoding: unused
1999
     */
2000
    int cutoff;
2001

    
2002
    /**
2003
     * multiplied by qscale for each frame and added to scene_change_score
2004
     * - encoding: set by user.
2005
     * - decoding: unused
2006
     */
2007
    int scenechange_factor;
2008
} AVCodecContext;
2009

    
2010
/**
2011
 * AVCodec.
2012
 */
2013
typedef struct AVCodec {
2014
    const char *name;
2015
    enum CodecType type;
2016
    enum CodecID id;
2017
    int priv_data_size;
2018
    int (*init)(AVCodecContext *);
2019
    int (*encode)(AVCodecContext *, uint8_t *buf, int buf_size, void *data);
2020
    int (*close)(AVCodecContext *);
2021
    int (*decode)(AVCodecContext *, void *outdata, int *outdata_size,
2022
                  uint8_t *buf, int buf_size);
2023
    int capabilities;
2024
#if LIBAVCODEC_VERSION_INT < ((50<<16)+(0<<8)+0)
2025
    void *dummy; // FIXME remove next time we break binary compatibility
2026
#endif
2027
    struct AVCodec *next;
2028
    void (*flush)(AVCodecContext *);
2029
    const AVRational *supported_framerates; ///array of supported framerates, or NULL if any, array is terminated by {0,0}
2030
    const enum PixelFormat *pix_fmts;       ///array of supported pixel formats, or NULL if unknown, array is terminanted by -1
2031
} AVCodec;
2032

    
2033
/**
2034
 * four components are given, that's all.
2035
 * the last component is alpha
2036
 */
2037
typedef struct AVPicture {
2038
    uint8_t *data[4];
2039
    int linesize[4];       ///< number of bytes per line
2040
} AVPicture;
2041

    
2042
/**
2043
 * AVPaletteControl
2044
 * This structure defines a method for communicating palette changes
2045
 * between and demuxer and a decoder.
2046
 */
2047
#define AVPALETTE_SIZE 1024
2048
#define AVPALETTE_COUNT 256
2049
typedef struct AVPaletteControl {
2050

    
2051
    /* demuxer sets this to 1 to indicate the palette has changed;
2052
     * decoder resets to 0 */
2053
    int palette_changed;
2054

    
2055
    /* 4-byte ARGB palette entries, stored in native byte order; note that
2056
     * the individual palette components should be on a 8-bit scale; if
2057
     * the palette data comes from a IBM VGA native format, the component
2058
     * data is probably 6 bits in size and needs to be scaled */
2059
    unsigned int palette[AVPALETTE_COUNT];
2060

    
2061
} AVPaletteControl;
2062

    
2063
typedef struct AVSubtitleRect {
2064
    uint16_t x;
2065
    uint16_t y;
2066
    uint16_t w;
2067
    uint16_t h;
2068
    uint16_t nb_colors;
2069
    int linesize;
2070
    uint32_t *rgba_palette;
2071
    uint8_t *bitmap;
2072
} AVSubtitleRect;
2073

    
2074
typedef struct AVSubtitle {
2075
    uint16_t format; /* 0 = graphics */
2076
    uint32_t start_display_time; /* relative to packet pts, in ms */
2077
    uint32_t end_display_time; /* relative to packet pts, in ms */
2078
    uint32_t num_rects;
2079
    AVSubtitleRect *rects;
2080
} AVSubtitle;
2081

    
2082
extern AVCodec ac3_encoder;
2083
extern AVCodec mp2_encoder;
2084
extern AVCodec mp3lame_encoder;
2085
extern AVCodec oggvorbis_encoder;
2086
extern AVCodec oggtheora_encoder;
2087
extern AVCodec faac_encoder;
2088
extern AVCodec xvid_encoder;
2089
extern AVCodec mpeg1video_encoder;
2090
extern AVCodec mpeg2video_encoder;
2091
extern AVCodec h261_encoder;
2092
extern AVCodec h263_encoder;
2093
extern AVCodec h263p_encoder;
2094
extern AVCodec flv_encoder;
2095
extern AVCodec rv10_encoder;
2096
extern AVCodec rv20_encoder;
2097
extern AVCodec dvvideo_encoder;
2098
extern AVCodec mjpeg_encoder;
2099
extern AVCodec ljpeg_encoder;
2100
extern AVCodec jpegls_encoder;
2101
extern AVCodec png_encoder;
2102
extern AVCodec ppm_encoder;
2103
extern AVCodec pgm_encoder;
2104
extern AVCodec pgmyuv_encoder;
2105
extern AVCodec pbm_encoder;
2106
extern AVCodec pam_encoder;
2107
extern AVCodec mpeg4_encoder;
2108
extern AVCodec msmpeg4v1_encoder;
2109
extern AVCodec msmpeg4v2_encoder;
2110
extern AVCodec msmpeg4v3_encoder;
2111
extern AVCodec wmv1_encoder;
2112
extern AVCodec wmv2_encoder;
2113
extern AVCodec huffyuv_encoder;
2114
extern AVCodec ffvhuff_encoder;
2115
extern AVCodec h264_encoder;
2116
extern AVCodec asv1_encoder;
2117
extern AVCodec asv2_encoder;
2118
extern AVCodec vcr1_encoder;
2119
extern AVCodec ffv1_encoder;
2120
extern AVCodec snow_encoder;
2121
extern AVCodec mdec_encoder;
2122
extern AVCodec zlib_encoder;
2123
extern AVCodec sonic_encoder;
2124
extern AVCodec sonic_ls_encoder;
2125
extern AVCodec svq1_encoder;
2126
extern AVCodec x264_encoder;
2127

    
2128
extern AVCodec h263_decoder;
2129
extern AVCodec h261_decoder;
2130
extern AVCodec mpeg4_decoder;
2131
extern AVCodec msmpeg4v1_decoder;
2132
extern AVCodec msmpeg4v2_decoder;
2133
extern AVCodec msmpeg4v3_decoder;
2134
extern AVCodec wmv1_decoder;
2135
extern AVCodec wmv2_decoder;
2136
extern AVCodec vc9_decoder;
2137
extern AVCodec wmv3_decoder;
2138
extern AVCodec mpeg1video_decoder;
2139
extern AVCodec mpeg2video_decoder;
2140
extern AVCodec mpegvideo_decoder;
2141
extern AVCodec mpeg_xvmc_decoder;
2142
extern AVCodec h263i_decoder;
2143
extern AVCodec flv_decoder;
2144
extern AVCodec rv10_decoder;
2145
extern AVCodec rv20_decoder;
2146
extern AVCodec rv30_decoder;
2147
extern AVCodec rv40_decoder;
2148
extern AVCodec svq1_decoder;
2149
extern AVCodec svq3_decoder;
2150
extern AVCodec dvvideo_decoder;
2151
extern AVCodec wmav1_decoder;
2152
extern AVCodec wmav2_decoder;
2153
extern AVCodec mjpeg_decoder;
2154
extern AVCodec mjpegb_decoder;
2155
extern AVCodec sp5x_decoder;
2156
extern AVCodec png_decoder;
2157
extern AVCodec mp2_decoder;
2158
extern AVCodec mp3_decoder;
2159
extern AVCodec mp3adu_decoder;
2160
extern AVCodec mp3on4_decoder;
2161
extern AVCodec qdm2_decoder;
2162
extern AVCodec cook_decoder;
2163
extern AVCodec truespeech_decoder;
2164
extern AVCodec tta_decoder;
2165
extern AVCodec mace3_decoder;
2166
extern AVCodec mace6_decoder;
2167
extern AVCodec huffyuv_decoder;
2168
extern AVCodec ffvhuff_decoder;
2169
extern AVCodec oggvorbis_decoder;
2170
extern AVCodec oggtheora_decoder;
2171
extern AVCodec cyuv_decoder;
2172
extern AVCodec h264_decoder;
2173
extern AVCodec indeo3_decoder;
2174
extern AVCodec vp3_decoder;
2175
extern AVCodec theora_decoder;
2176
extern AVCodec amr_nb_decoder;
2177
extern AVCodec amr_nb_encoder;
2178
extern AVCodec amr_wb_encoder;
2179
extern AVCodec amr_wb_decoder;
2180
extern AVCodec aac_decoder;
2181
extern AVCodec mpeg4aac_decoder;
2182
extern AVCodec asv1_decoder;
2183
extern AVCodec asv2_decoder;
2184
extern AVCodec vcr1_decoder;
2185
extern AVCodec cljr_decoder;
2186
extern AVCodec ffv1_decoder;
2187
extern AVCodec snow_decoder;
2188
extern AVCodec fourxm_decoder;
2189
extern AVCodec mdec_decoder;
2190
extern AVCodec roq_decoder;
2191
extern AVCodec interplay_video_decoder;
2192
extern AVCodec xan_wc3_decoder;
2193
extern AVCodec rpza_decoder;
2194
extern AVCodec cinepak_decoder;
2195
extern AVCodec msrle_decoder;
2196
extern AVCodec msvideo1_decoder;
2197
extern AVCodec vqa_decoder;
2198
extern AVCodec idcin_decoder;
2199
extern AVCodec eightbps_decoder;
2200
extern AVCodec smc_decoder;
2201
extern AVCodec flic_decoder;
2202
extern AVCodec vmdvideo_decoder;
2203
extern AVCodec vmdaudio_decoder;
2204
extern AVCodec truemotion1_decoder;
2205
extern AVCodec truemotion2_decoder;
2206
extern AVCodec mszh_decoder;
2207
extern AVCodec zlib_decoder;
2208
extern AVCodec ra_144_decoder;
2209
extern AVCodec ra_288_decoder;
2210
extern AVCodec roq_dpcm_decoder;
2211
extern AVCodec interplay_dpcm_decoder;
2212
extern AVCodec xan_dpcm_decoder;
2213
extern AVCodec sol_dpcm_decoder;
2214
extern AVCodec sonic_decoder;
2215
extern AVCodec qtrle_decoder;
2216
extern AVCodec flac_decoder;
2217
extern AVCodec tscc_decoder;
2218
extern AVCodec cscd_decoder;
2219
extern AVCodec ulti_decoder;
2220
extern AVCodec qdraw_decoder;
2221
extern AVCodec xl_decoder;
2222
extern AVCodec qpeg_decoder;
2223
extern AVCodec shorten_decoder;
2224
extern AVCodec loco_decoder;
2225
extern AVCodec wnv1_decoder;
2226
extern AVCodec aasc_decoder;
2227
extern AVCodec alac_decoder;
2228
extern AVCodec ws_snd1_decoder;
2229
extern AVCodec indeo2_decoder;
2230
extern AVCodec vorbis_decoder;
2231
extern AVCodec fraps_decoder;
2232
extern AVCodec libgsm_encoder;
2233
extern AVCodec libgsm_decoder;
2234
extern AVCodec bmp_decoder;
2235
extern AVCodec mmvideo_decoder;
2236
extern AVCodec zmbv_decoder;
2237
extern AVCodec avs_decoder;
2238

    
2239
/* pcm codecs */
2240
#define PCM_CODEC(id, name) \
2241
extern AVCodec name ## _decoder; \
2242
extern AVCodec name ## _encoder
2243

    
2244
PCM_CODEC(CODEC_ID_PCM_S32LE, pcm_s32le);
2245
PCM_CODEC(CODEC_ID_PCM_S32BE, pcm_s32be);
2246
PCM_CODEC(CODEC_ID_PCM_U32LE, pcm_u32le);
2247
PCM_CODEC(CODEC_ID_PCM_U32BE, pcm_u32be);
2248
PCM_CODEC(CODEC_ID_PCM_S24LE, pcm_s24le);
2249
PCM_CODEC(CODEC_ID_PCM_S24BE, pcm_s24be);
2250
PCM_CODEC(CODEC_ID_PCM_U24LE, pcm_u24le);
2251
PCM_CODEC(CODEC_ID_PCM_U24BE, pcm_u24be);
2252
PCM_CODEC(CODEC_ID_PCM_S24DAUD, pcm_s24daud);
2253
PCM_CODEC(CODEC_ID_PCM_S16LE, pcm_s16le);
2254
PCM_CODEC(CODEC_ID_PCM_S16BE, pcm_s16be);
2255
PCM_CODEC(CODEC_ID_PCM_U16LE, pcm_u16le);
2256
PCM_CODEC(CODEC_ID_PCM_U16BE, pcm_u16be);
2257
PCM_CODEC(CODEC_ID_PCM_S8, pcm_s8);
2258
PCM_CODEC(CODEC_ID_PCM_U8, pcm_u8);
2259
PCM_CODEC(CODEC_ID_PCM_ALAW, pcm_alaw);
2260
PCM_CODEC(CODEC_ID_PCM_MULAW, pcm_mulaw);
2261

    
2262
/* adpcm codecs */
2263

    
2264
PCM_CODEC(CODEC_ID_ADPCM_IMA_QT, adpcm_ima_qt);
2265
PCM_CODEC(CODEC_ID_ADPCM_IMA_WAV, adpcm_ima_wav);
2266
PCM_CODEC(CODEC_ID_ADPCM_IMA_DK3, adpcm_ima_dk3);
2267
PCM_CODEC(CODEC_ID_ADPCM_IMA_DK4, adpcm_ima_dk4);
2268
PCM_CODEC(CODEC_ID_ADPCM_IMA_WS, adpcm_ima_ws);
2269
PCM_CODEC(CODEC_ID_ADPCM_SMJPEG, adpcm_ima_smjpeg);
2270
PCM_CODEC(CODEC_ID_ADPCM_MS, adpcm_ms);
2271
PCM_CODEC(CODEC_ID_ADPCM_4XM, adpcm_4xm);
2272
PCM_CODEC(CODEC_ID_ADPCM_XA, adpcm_xa);
2273
PCM_CODEC(CODEC_ID_ADPCM_ADX, adpcm_adx);
2274
PCM_CODEC(CODEC_ID_ADPCM_EA, adpcm_ea);
2275
PCM_CODEC(CODEC_ID_ADPCM_G726, adpcm_g726);
2276
PCM_CODEC(CODEC_ID_ADPCM_CT, adpcm_ct);
2277
PCM_CODEC(CODEC_ID_ADPCM_SWF, adpcm_swf);
2278
PCM_CODEC(CODEC_ID_ADPCM_YAMAHA, adpcm_yamaha);
2279
PCM_CODEC(CODEC_ID_ADPCM_SBPRO_4, adpcm_sbpro_4);
2280
PCM_CODEC(CODEC_ID_ADPCM_SBPRO_3, adpcm_sbpro_3);
2281
PCM_CODEC(CODEC_ID_ADPCM_SBPRO_2, adpcm_sbpro_2);
2282

    
2283
#undef PCM_CODEC
2284

    
2285
/* dummy raw video codec */
2286
extern AVCodec rawvideo_encoder;
2287
extern AVCodec rawvideo_decoder;
2288

    
2289
/* the following codecs use external GPL libs */
2290
extern AVCodec ac3_decoder;
2291
extern AVCodec dts_decoder;
2292

    
2293
/* subtitles */
2294
extern AVCodec dvdsub_encoder;
2295
extern AVCodec dvdsub_decoder;
2296
extern AVCodec dvbsub_encoder;
2297
extern AVCodec dvbsub_decoder;
2298

    
2299
/* resample.c */
2300

    
2301
struct ReSampleContext;
2302
struct AVResampleContext;
2303

    
2304
typedef struct ReSampleContext ReSampleContext;
2305

    
2306
ReSampleContext *audio_resample_init(int output_channels, int input_channels,
2307
                                     int output_rate, int input_rate);
2308
int audio_resample(ReSampleContext *s, short *output, short *input, int nb_samples);
2309
void audio_resample_close(ReSampleContext *s);
2310

    
2311
struct AVResampleContext *av_resample_init(int out_rate, int in_rate, int filter_length, int log2_phase_count, int linear, double cutoff);
2312
int av_resample(struct AVResampleContext *c, short *dst, short *src, int *consumed, int src_size, int dst_size, int update_ctx);
2313
void av_resample_compensate(struct AVResampleContext *c, int sample_delta, int compensation_distance);
2314
void av_resample_close(struct AVResampleContext *c);
2315

    
2316
/* YUV420 format is assumed ! */
2317

    
2318
struct ImgReSampleContext;
2319

    
2320
typedef struct ImgReSampleContext ImgReSampleContext;
2321

    
2322
ImgReSampleContext *img_resample_init(int output_width, int output_height,
2323
                                      int input_width, int input_height);
2324

    
2325
ImgReSampleContext *img_resample_full_init(int owidth, int oheight,
2326
                                      int iwidth, int iheight,
2327
                                      int topBand, int bottomBand,
2328
                                      int leftBand, int rightBand,
2329
                                      int padtop, int padbottom,
2330
                                      int padleft, int padright);
2331

    
2332

    
2333
void img_resample(ImgReSampleContext *s,
2334
                  AVPicture *output, const AVPicture *input);
2335

    
2336
void img_resample_close(ImgReSampleContext *s);
2337

    
2338
/**
2339
 * Allocate memory for a picture.  Call avpicture_free to free it.
2340
 *
2341
 * @param picture the picture to be filled in.
2342
 * @param pix_fmt the format of the picture.
2343
 * @param width the width of the picture.
2344
 * @param height the height of the picture.
2345
 * @return 0 if successful, -1 if not.
2346
 */
2347
int avpicture_alloc(AVPicture *picture, int pix_fmt, int width, int height);
2348

    
2349
/* Free a picture previously allocated by avpicture_alloc. */
2350
void avpicture_free(AVPicture *picture);
2351

    
2352
int avpicture_fill(AVPicture *picture, uint8_t *ptr,
2353
                   int pix_fmt, int width, int height);
2354
int avpicture_layout(const AVPicture* src, int pix_fmt, int width, int height,
2355
                     unsigned char *dest, int dest_size);
2356
int avpicture_get_size(int pix_fmt, int width, int height);
2357
void avcodec_get_chroma_sub_sample(int pix_fmt, int *h_shift, int *v_shift);
2358
const char *avcodec_get_pix_fmt_name(int pix_fmt);
2359
void avcodec_set_dimensions(AVCodecContext *s, int width, int height);
2360
enum PixelFormat avcodec_get_pix_fmt(const char* name);
2361
unsigned int avcodec_pix_fmt_to_codec_tag(enum PixelFormat p);
2362

    
2363
#define FF_LOSS_RESOLUTION  0x0001 /* loss due to resolution change */
2364
#define FF_LOSS_DEPTH       0x0002 /* loss due to color depth change */
2365
#define FF_LOSS_COLORSPACE  0x0004 /* loss due to color space conversion */
2366
#define FF_LOSS_ALPHA       0x0008 /* loss of alpha bits */
2367
#define FF_LOSS_COLORQUANT  0x0010 /* loss due to color quantization */
2368
#define FF_LOSS_CHROMA      0x0020 /* loss of chroma (e.g. rgb to gray conversion) */
2369

    
2370
int avcodec_get_pix_fmt_loss(int dst_pix_fmt, int src_pix_fmt,
2371
                             int has_alpha);
2372
int avcodec_find_best_pix_fmt(int pix_fmt_mask, int src_pix_fmt,
2373
                              int has_alpha, int *loss_ptr);
2374

    
2375
#define FF_ALPHA_TRANSP       0x0001 /* image has some totally transparent pixels */
2376
#define FF_ALPHA_SEMI_TRANSP  0x0002 /* image has some transparent pixels */
2377
int img_get_alpha_info(const AVPicture *src,
2378
                       int pix_fmt, int width, int height);
2379

    
2380
/* convert among pixel formats */
2381
int img_convert(AVPicture *dst, int dst_pix_fmt,
2382
                const AVPicture *src, int pix_fmt,
2383
                int width, int height);
2384

    
2385
/* deinterlace a picture */
2386
int avpicture_deinterlace(AVPicture *dst, const AVPicture *src,
2387
                          int pix_fmt, int width, int height);
2388

    
2389
/* external high level API */
2390

    
2391
extern AVCodec *first_avcodec;
2392

    
2393
/* returns LIBAVCODEC_VERSION_INT constant */
2394
unsigned avcodec_version(void);
2395
/* returns LIBAVCODEC_BUILD constant */
2396
unsigned avcodec_build(void);
2397
void avcodec_init(void);
2398

    
2399
void register_avcodec(AVCodec *format);
2400
AVCodec *avcodec_find_encoder(enum CodecID id);
2401
AVCodec *avcodec_find_encoder_by_name(const char *name);
2402
AVCodec *avcodec_find_decoder(enum CodecID id);
2403
AVCodec *avcodec_find_decoder_by_name(const char *name);
2404
void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode);
2405

    
2406
void avcodec_get_context_defaults(AVCodecContext *s);
2407
AVCodecContext *avcodec_alloc_context(void);
2408
void avcodec_get_frame_defaults(AVFrame *pic);
2409
AVFrame *avcodec_alloc_frame(void);
2410

    
2411
int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic);
2412
void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic);
2413
int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic);
2414
void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height);
2415
int avcodec_check_dimensions(void *av_log_ctx, unsigned int w, unsigned int h);
2416
enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum PixelFormat * fmt);
2417

    
2418
int avcodec_thread_init(AVCodecContext *s, int thread_count);
2419
void avcodec_thread_free(AVCodecContext *s);
2420
int avcodec_thread_execute(AVCodecContext *s, int (*func)(AVCodecContext *c2, void *arg2),void **arg, int *ret, int count);
2421
int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2),void **arg, int *ret, int count);
2422
//FIXME func typedef
2423

    
2424
/**
2425
 * opens / inits the AVCodecContext.
2426
 * not thread save!
2427
 */
2428
int avcodec_open(AVCodecContext *avctx, AVCodec *codec);
2429

    
2430
int avcodec_decode_audio(AVCodecContext *avctx, int16_t *samples,
2431
                         int *frame_size_ptr,
2432
                         uint8_t *buf, int buf_size);
2433
int avcodec_decode_video(AVCodecContext *avctx, AVFrame *picture,
2434
                         int *got_picture_ptr,
2435
                         uint8_t *buf, int buf_size);
2436
int avcodec_decode_subtitle(AVCodecContext *avctx, AVSubtitle *sub,
2437
                            int *got_sub_ptr,
2438
                            const uint8_t *buf, int buf_size);
2439
int avcodec_parse_frame(AVCodecContext *avctx, uint8_t **pdata,
2440
                        int *data_size_ptr,
2441
                        uint8_t *buf, int buf_size);
2442
int avcodec_encode_audio(AVCodecContext *avctx, uint8_t *buf, int buf_size,
2443
                         const short *samples);
2444
int avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf, int buf_size,
2445
                         const AVFrame *pict);
2446
int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
2447
                            const AVSubtitle *sub);
2448

    
2449
int avcodec_close(AVCodecContext *avctx);
2450

    
2451
void avcodec_register_all(void);
2452

    
2453
void avcodec_flush_buffers(AVCodecContext *avctx);
2454

    
2455
void avcodec_default_free_buffers(AVCodecContext *s);
2456

    
2457
/* misc usefull functions */
2458

    
2459
/**
2460
 * returns a single letter to describe the picture type
2461
 */
2462
char av_get_pict_type_char(int pict_type);
2463

    
2464

    
2465
/* frame parsing */
2466
typedef struct AVCodecParserContext {
2467
    void *priv_data;
2468
    struct AVCodecParser *parser;
2469
    int64_t frame_offset; /* offset of the current frame */
2470
    int64_t cur_offset; /* current offset
2471
                           (incremented by each av_parser_parse()) */
2472
    int64_t last_frame_offset; /* offset of the last frame */
2473
    /* video info */
2474
    int pict_type; /* XXX: put it back in AVCodecContext */
2475
    int repeat_pict; /* XXX: put it back in AVCodecContext */
2476
    int64_t pts;     /* pts of the current frame */
2477
    int64_t dts;     /* dts of the current frame */
2478

    
2479
    /* private data */
2480
    int64_t last_pts;
2481
    int64_t last_dts;
2482
    int fetch_timestamp;
2483

    
2484
#define AV_PARSER_PTS_NB 4
2485
    int cur_frame_start_index;
2486
    int64_t cur_frame_offset[AV_PARSER_PTS_NB];
2487
    int64_t cur_frame_pts[AV_PARSER_PTS_NB];
2488
    int64_t cur_frame_dts[AV_PARSER_PTS_NB];
2489

    
2490
    int flags;
2491
#define PARSER_FLAG_COMPLETE_FRAMES           0x0001
2492
} AVCodecParserContext;
2493

    
2494
typedef struct AVCodecParser {
2495
    int codec_ids[5]; /* several codec IDs are permitted */
2496
    int priv_data_size;
2497
    int (*parser_init)(AVCodecParserContext *s);
2498
    int (*parser_parse)(AVCodecParserContext *s,
2499
                        AVCodecContext *avctx,
2500
                        uint8_t **poutbuf, int *poutbuf_size,
2501
                        const uint8_t *buf, int buf_size);
2502
    void (*parser_close)(AVCodecParserContext *s);
2503
    int (*split)(AVCodecContext *avctx, const uint8_t *buf, int buf_size);
2504
    struct AVCodecParser *next;
2505
} AVCodecParser;
2506

    
2507
extern AVCodecParser *av_first_parser;
2508

    
2509
void av_register_codec_parser(AVCodecParser *parser);
2510
AVCodecParserContext *av_parser_init(int codec_id);
2511
int av_parser_parse(AVCodecParserContext *s,
2512
                    AVCodecContext *avctx,
2513
                    uint8_t **poutbuf, int *poutbuf_size,
2514
                    const uint8_t *buf, int buf_size,
2515
                    int64_t pts, int64_t dts);
2516
int av_parser_change(AVCodecParserContext *s,
2517
                     AVCodecContext *avctx,
2518
                     uint8_t **poutbuf, int *poutbuf_size,
2519
                     const uint8_t *buf, int buf_size, int keyframe);
2520
void av_parser_close(AVCodecParserContext *s);
2521

    
2522
extern AVCodecParser mpegvideo_parser;
2523
extern AVCodecParser mpeg4video_parser;
2524
extern AVCodecParser h261_parser;
2525
extern AVCodecParser h263_parser;
2526
extern AVCodecParser h264_parser;
2527
extern AVCodecParser mjpeg_parser;
2528
extern AVCodecParser pnm_parser;
2529
extern AVCodecParser mpegaudio_parser;
2530
extern AVCodecParser ac3_parser;
2531
extern AVCodecParser dvdsub_parser;
2532
extern AVCodecParser dvbsub_parser;
2533
extern AVCodecParser aac_parser;
2534

    
2535
/* memory */
2536
void *av_malloc(unsigned int size);
2537
void *av_mallocz(unsigned int size);
2538
void *av_realloc(void *ptr, unsigned int size);
2539
void av_free(void *ptr);
2540
char *av_strdup(const char *s);
2541
void av_freep(void *ptr);
2542
void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size);
2543
/* for static data only */
2544
/* call av_free_static to release all staticaly allocated tables */
2545
void av_free_static(void);
2546
void *av_mallocz_static(unsigned int size);
2547
void *av_realloc_static(void *ptr, unsigned int size);
2548

    
2549
/* add by bero : in adx.c */
2550
int is_adx(const unsigned char *buf,size_t bufsize);
2551

    
2552
void img_copy(AVPicture *dst, const AVPicture *src,
2553
              int pix_fmt, int width, int height);
2554

    
2555
/* av_log API */
2556

    
2557
#include <stdarg.h>
2558

    
2559
#define AV_LOG_QUIET -1
2560
#define AV_LOG_ERROR 0
2561
#define AV_LOG_INFO 1
2562
#define AV_LOG_DEBUG 2
2563

    
2564
#ifdef __GNUC__
2565
extern void av_log(void*, int level, const char *fmt, ...) __attribute__ ((__format__ (__printf__, 3, 4)));
2566
#else
2567
extern void av_log(void*, int level, const char *fmt, ...);
2568
#endif
2569

    
2570
extern void av_vlog(void*, int level, const char *fmt, va_list);
2571
extern int av_log_get_level(void);
2572
extern void av_log_set_level(int);
2573
extern void av_log_set_callback(void (*)(void*, int, const char*, va_list));
2574

    
2575
/* endian macros */
2576
#if !defined(BE_16) || !defined(BE_32) || !defined(LE_16) || !defined(LE_32)
2577
#define BE_16(x)  ((((uint8_t*)(x))[0] << 8) | ((uint8_t*)(x))[1])
2578
#define BE_32(x)  ((((uint8_t*)(x))[0] << 24) | \
2579
                   (((uint8_t*)(x))[1] << 16) | \
2580
                   (((uint8_t*)(x))[2] << 8) | \
2581
                    ((uint8_t*)(x))[3])
2582
#define LE_16(x)  ((((uint8_t*)(x))[1] << 8) | ((uint8_t*)(x))[0])
2583
#define LE_32(x)  ((((uint8_t*)(x))[3] << 24) | \
2584
                   (((uint8_t*)(x))[2] << 16) | \
2585
                   (((uint8_t*)(x))[1] << 8) | \
2586
                    ((uint8_t*)(x))[0])
2587
#endif
2588

    
2589
extern unsigned int av_xiphlacing(unsigned char *s, unsigned int v);
2590

    
2591
#ifdef __cplusplus
2592
}
2593
#endif
2594

    
2595
#endif /* AVCODEC_H */