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Diffstat (limited to 'src/libffmpeg/libavcodec/avcodec.h')
| -rw-r--r-- | src/libffmpeg/libavcodec/avcodec.h | 2714 |
1 files changed, 0 insertions, 2714 deletions
diff --git a/src/libffmpeg/libavcodec/avcodec.h b/src/libffmpeg/libavcodec/avcodec.h deleted file mode 100644 index ee4eb0122..000000000 --- a/src/libffmpeg/libavcodec/avcodec.h +++ /dev/null @@ -1,2714 +0,0 @@ -/* - * copyright (c) 2001 Fabrice Bellard - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef AVCODEC_H -#define AVCODEC_H - -/** - * @file avcodec.h - * external api header. - */ - - -#ifdef __cplusplus -extern "C" { -#endif - -#include "avutil.h" -#include <sys/types.h> /* size_t */ - -#define AV_STRINGIFY(s) AV_TOSTRING(s) -#define AV_TOSTRING(s) #s - -#define LIBAVCODEC_VERSION_INT ((51<<16)+(29<<8)+0) -#define LIBAVCODEC_VERSION 51.29.0 -#define LIBAVCODEC_BUILD LIBAVCODEC_VERSION_INT - -#define LIBAVCODEC_IDENT "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION) - -#define AV_NOPTS_VALUE INT64_C(0x8000000000000000) -#define AV_TIME_BASE 1000000 -#define AV_TIME_BASE_Q (AVRational){1, AV_TIME_BASE} - -/* FIXME: We cannot use ffmpeg's XvMC capabilities, since that would require - * linking the ffmpeg plugin against XvMC libraries, which is a bad thing, - * since they are output dependend. - * The correct fix would be to reimplement the XvMC functions libavcodec uses - * and do the necessary talking with our XvMC output plugin there. */ -#undef HAVE_XVMC - -enum CodecID { - CODEC_ID_NONE, - CODEC_ID_MPEG1VIDEO, - CODEC_ID_MPEG2VIDEO, /* prefered ID for MPEG Video 1 or 2 decoding */ - CODEC_ID_MPEG2VIDEO_XVMC, - CODEC_ID_H261, - CODEC_ID_H263, - CODEC_ID_RV10, - CODEC_ID_RV20, - CODEC_ID_MJPEG, - CODEC_ID_MJPEGB, - CODEC_ID_LJPEG, - CODEC_ID_SP5X, - CODEC_ID_JPEGLS, - CODEC_ID_MPEG4, - CODEC_ID_RAWVIDEO, - CODEC_ID_MSMPEG4V1, - CODEC_ID_MSMPEG4V2, - CODEC_ID_MSMPEG4V3, - CODEC_ID_WMV1, - CODEC_ID_WMV2, - CODEC_ID_H263P, - CODEC_ID_H263I, - CODEC_ID_FLV1, - CODEC_ID_SVQ1, - CODEC_ID_SVQ3, - CODEC_ID_DVVIDEO, - CODEC_ID_HUFFYUV, - CODEC_ID_CYUV, - CODEC_ID_H264, - CODEC_ID_INDEO3, - CODEC_ID_VP3, - CODEC_ID_THEORA, - CODEC_ID_ASV1, - CODEC_ID_ASV2, - CODEC_ID_FFV1, - CODEC_ID_4XM, - CODEC_ID_VCR1, - CODEC_ID_CLJR, - CODEC_ID_MDEC, - CODEC_ID_ROQ, - CODEC_ID_INTERPLAY_VIDEO, - CODEC_ID_XAN_WC3, - CODEC_ID_XAN_WC4, - CODEC_ID_RPZA, - CODEC_ID_CINEPAK, - CODEC_ID_WS_VQA, - CODEC_ID_MSRLE, - CODEC_ID_MSVIDEO1, - CODEC_ID_IDCIN, - CODEC_ID_8BPS, - CODEC_ID_SMC, - CODEC_ID_FLIC, - CODEC_ID_TRUEMOTION1, - CODEC_ID_VMDVIDEO, - CODEC_ID_MSZH, - CODEC_ID_ZLIB, - CODEC_ID_QTRLE, - CODEC_ID_SNOW, - CODEC_ID_TSCC, - CODEC_ID_ULTI, - CODEC_ID_QDRAW, - CODEC_ID_VIXL, - CODEC_ID_QPEG, - CODEC_ID_XVID, - CODEC_ID_PNG, - CODEC_ID_PPM, - CODEC_ID_PBM, - CODEC_ID_PGM, - CODEC_ID_PGMYUV, - CODEC_ID_PAM, - CODEC_ID_FFVHUFF, - CODEC_ID_RV30, - CODEC_ID_RV40, - CODEC_ID_VC1, - CODEC_ID_WMV3, - CODEC_ID_LOCO, - CODEC_ID_WNV1, - CODEC_ID_AASC, - CODEC_ID_INDEO2, - CODEC_ID_FRAPS, - CODEC_ID_TRUEMOTION2, - CODEC_ID_BMP, - CODEC_ID_CSCD, - CODEC_ID_MMVIDEO, - CODEC_ID_ZMBV, - CODEC_ID_AVS, - CODEC_ID_SMACKVIDEO, - CODEC_ID_NUV, - CODEC_ID_KMVC, - CODEC_ID_FLASHSV, - CODEC_ID_CAVS, - CODEC_ID_JPEG2000, - CODEC_ID_VMNC, - CODEC_ID_VP5, - CODEC_ID_VP6, - CODEC_ID_VP6F, - CODEC_ID_TARGA, - CODEC_ID_DSICINVIDEO, - CODEC_ID_TIERTEXSEQVIDEO, - CODEC_ID_TIFF, - CODEC_ID_GIF, - CODEC_ID_FFH264, - - /* various pcm "codecs" */ - CODEC_ID_PCM_S16LE= 0x10000, - CODEC_ID_PCM_S16BE, - CODEC_ID_PCM_U16LE, - CODEC_ID_PCM_U16BE, - CODEC_ID_PCM_S8, - CODEC_ID_PCM_U8, - CODEC_ID_PCM_MULAW, - CODEC_ID_PCM_ALAW, - CODEC_ID_PCM_S32LE, - CODEC_ID_PCM_S32BE, - CODEC_ID_PCM_U32LE, - CODEC_ID_PCM_U32BE, - CODEC_ID_PCM_S24LE, - CODEC_ID_PCM_S24BE, - CODEC_ID_PCM_U24LE, - CODEC_ID_PCM_U24BE, - CODEC_ID_PCM_S24DAUD, - - /* various adpcm codecs */ - CODEC_ID_ADPCM_IMA_QT= 0x11000, - CODEC_ID_ADPCM_IMA_WAV, - CODEC_ID_ADPCM_IMA_DK3, - CODEC_ID_ADPCM_IMA_DK4, - CODEC_ID_ADPCM_IMA_WS, - CODEC_ID_ADPCM_IMA_SMJPEG, - CODEC_ID_ADPCM_MS, - CODEC_ID_ADPCM_4XM, - CODEC_ID_ADPCM_XA, - CODEC_ID_ADPCM_ADX, - CODEC_ID_ADPCM_EA, - CODEC_ID_ADPCM_G726, - CODEC_ID_ADPCM_CT, - CODEC_ID_ADPCM_SWF, - CODEC_ID_ADPCM_YAMAHA, - CODEC_ID_ADPCM_SBPRO_4, - CODEC_ID_ADPCM_SBPRO_3, - CODEC_ID_ADPCM_SBPRO_2, - - /* AMR */ - CODEC_ID_AMR_NB= 0x12000, - CODEC_ID_AMR_WB, - - /* RealAudio codecs*/ - CODEC_ID_RA_144= 0x13000, - CODEC_ID_RA_288, - - /* various DPCM codecs */ - CODEC_ID_ROQ_DPCM= 0x14000, - CODEC_ID_INTERPLAY_DPCM, - CODEC_ID_XAN_DPCM, - CODEC_ID_SOL_DPCM, - - CODEC_ID_MP2= 0x15000, - CODEC_ID_MP3, /* prefered ID for MPEG Audio layer 1, 2 or3 decoding */ - CODEC_ID_AAC, -#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0) - CODEC_ID_MPEG4AAC, -#endif - CODEC_ID_AC3, - CODEC_ID_DTS, - CODEC_ID_VORBIS, - CODEC_ID_DVAUDIO, - CODEC_ID_WMAV1, - CODEC_ID_WMAV2, - CODEC_ID_MACE3, - CODEC_ID_MACE6, - CODEC_ID_VMDAUDIO, - CODEC_ID_SONIC, - CODEC_ID_SONIC_LS, - CODEC_ID_FLAC, - CODEC_ID_MP3ADU, - CODEC_ID_MP3ON4, - CODEC_ID_SHORTEN, - CODEC_ID_ALAC, - CODEC_ID_WESTWOOD_SND1, - CODEC_ID_GSM, - CODEC_ID_QDM2, - CODEC_ID_COOK, - CODEC_ID_TRUESPEECH, - CODEC_ID_TTA, - CODEC_ID_SMACKAUDIO, - CODEC_ID_QCELP, - CODEC_ID_WAVPACK, - CODEC_ID_DSICINAUDIO, - CODEC_ID_IMC, - CODEC_ID_MUSEPACK7, - - /* subtitle codecs */ - CODEC_ID_DVD_SUBTITLE= 0x17000, - CODEC_ID_DVB_SUBTITLE, - - CODEC_ID_MPEG2TS= 0x20000, /* _FAKE_ codec to indicate a raw MPEG2 transport - stream (only used by libavformat) */ -}; - -/* CODEC_ID_MP3LAME is absolete */ -#define CODEC_ID_MP3LAME CODEC_ID_MP3 - -enum CodecType { - CODEC_TYPE_UNKNOWN = -1, - CODEC_TYPE_VIDEO, - CODEC_TYPE_AUDIO, - CODEC_TYPE_DATA, - CODEC_TYPE_SUBTITLE, -}; - -/* currently unused, may be used if 24/32 bits samples ever supported */ -/* all in native endian */ -enum SampleFormat { - SAMPLE_FMT_NONE = -1, - SAMPLE_FMT_U8, ///< unsigned 8 bits - SAMPLE_FMT_S16, ///< signed 16 bits - SAMPLE_FMT_S24, ///< signed 24 bits - SAMPLE_FMT_S32, ///< signed 32 bits - SAMPLE_FMT_FLT, ///< float -}; - -/* in bytes */ -#define AVCODEC_MAX_AUDIO_FRAME_SIZE 192000 // 1 second of 48khz 32bit audio - -/** - * Required number of additionally allocated bytes at the end of the input bitstream for decoding. - * this is mainly needed because some optimized bitstream readers read - * 32 or 64 bit at once and could read over the end<br> - * Note, if the first 23 bits of the additional bytes are not 0 then damaged - * MPEG bitstreams could cause overread and segfault - */ -#define FF_INPUT_BUFFER_PADDING_SIZE 8 - -/** - * minimum encoding buffer size. - * used to avoid some checks during header writing - */ -#define FF_MIN_BUFFER_SIZE 16384 - -/* motion estimation type, EPZS by default */ -enum Motion_Est_ID { - ME_ZERO = 1, - ME_FULL, - ME_LOG, - ME_PHODS, - ME_EPZS, - ME_X1, - ME_HEX, - ME_UMH, - ME_ITER, -}; - -enum AVDiscard{ -//we leave some space between them for extensions (drop some keyframes for intra only or drop just some bidir frames) - AVDISCARD_NONE =-16, ///< discard nothing - AVDISCARD_DEFAULT= 0, ///< discard useless packets like 0 size packets in avi - AVDISCARD_NONREF = 8, ///< discard all non reference - AVDISCARD_BIDIR = 16, ///< discard all bidirectional frames - AVDISCARD_NONKEY = 32, ///< discard all frames except keyframes - AVDISCARD_ALL = 48, ///< discard all -}; - -typedef struct RcOverride{ - int start_frame; - int end_frame; - int qscale; // if this is 0 then quality_factor will be used instead - float quality_factor; -} RcOverride; - -#define FF_MAX_B_FRAMES 16 - -/* encoding support - these flags can be passed in AVCodecContext.flags before initing - Note: not everything is supported yet. -*/ - -#define CODEC_FLAG_QSCALE 0x0002 ///< use fixed qscale -#define CODEC_FLAG_4MV 0x0004 ///< 4 MV per MB allowed / Advanced prediction for H263 -#define CODEC_FLAG_QPEL 0x0010 ///< use qpel MC -#define CODEC_FLAG_GMC 0x0020 ///< use GMC -#define CODEC_FLAG_MV0 0x0040 ///< always try a MB with MV=<0,0> -#define CODEC_FLAG_PART 0x0080 ///< use data partitioning -/* parent program gurantees that the input for b-frame containing streams is not written to - for at least s->max_b_frames+1 frames, if this is not set than the input will be copied */ -#define CODEC_FLAG_INPUT_PRESERVED 0x0100 -#define CODEC_FLAG_PASS1 0x0200 ///< use internal 2pass ratecontrol in first pass mode -#define CODEC_FLAG_PASS2 0x0400 ///< use internal 2pass ratecontrol in second pass mode -#define CODEC_FLAG_EXTERN_HUFF 0x1000 ///< use external huffman table (for mjpeg) -#define CODEC_FLAG_GRAY 0x2000 ///< only decode/encode grayscale -#define CODEC_FLAG_EMU_EDGE 0x4000///< don't draw edges -#define CODEC_FLAG_PSNR 0x8000 ///< error[?] variables will be set during encoding -#define CODEC_FLAG_TRUNCATED 0x00010000 /** input bitstream might be truncated at a random location instead - of only at frame boundaries */ -#define CODEC_FLAG_NORMALIZE_AQP 0x00020000 ///< normalize adaptive quantization -#define CODEC_FLAG_INTERLACED_DCT 0x00040000 ///< use interlaced dct -#define CODEC_FLAG_LOW_DELAY 0x00080000 ///< force low delay -#define CODEC_FLAG_ALT_SCAN 0x00100000 ///< use alternate scan -#define CODEC_FLAG_TRELLIS_QUANT 0x00200000 ///< use trellis quantization -#define CODEC_FLAG_GLOBAL_HEADER 0x00400000 ///< place global headers in extradata instead of every keyframe -#define CODEC_FLAG_BITEXACT 0x00800000 ///< use only bitexact stuff (except (i)dct) -/* Fx : Flag for h263+ extra options */ -#define CODEC_FLAG_H263P_AIC 0x01000000 ///< H263 Advanced intra coding / MPEG4 AC prediction (remove this) -#define CODEC_FLAG_AC_PRED 0x01000000 ///< H263 Advanced intra coding / MPEG4 AC prediction -#define CODEC_FLAG_H263P_UMV 0x02000000 ///< Unlimited motion vector -#define CODEC_FLAG_CBP_RD 0x04000000 ///< use rate distortion optimization for cbp -#define CODEC_FLAG_QP_RD 0x08000000 ///< use rate distortion optimization for qp selectioon -#define CODEC_FLAG_H263P_AIV 0x00000008 ///< H263 Alternative inter vlc -#define CODEC_FLAG_OBMC 0x00000001 ///< OBMC -#define CODEC_FLAG_LOOP_FILTER 0x00000800 ///< loop filter -#define CODEC_FLAG_H263P_SLICE_STRUCT 0x10000000 -#define CODEC_FLAG_INTERLACED_ME 0x20000000 ///< interlaced motion estimation -#define CODEC_FLAG_SVCD_SCAN_OFFSET 0x40000000 ///< will reserve space for SVCD scan offset user data -#define CODEC_FLAG_CLOSED_GOP ((int)0x80000000) -#define CODEC_FLAG2_FAST 0x00000001 ///< allow non spec compliant speedup tricks -#define CODEC_FLAG2_STRICT_GOP 0x00000002 ///< strictly enforce GOP size -#define CODEC_FLAG2_NO_OUTPUT 0x00000004 ///< skip bitstream encoding -#define CODEC_FLAG2_LOCAL_HEADER 0x00000008 ///< place global headers at every keyframe instead of in extradata -#define CODEC_FLAG2_BPYRAMID 0x00000010 ///< H.264 allow b-frames to be used as references -#define CODEC_FLAG2_WPRED 0x00000020 ///< H.264 weighted biprediction for b-frames -#define CODEC_FLAG2_MIXED_REFS 0x00000040 ///< H.264 one reference per partition, as opposed to one reference per macroblock -#define CODEC_FLAG2_8X8DCT 0x00000080 ///< H.264 high profile 8x8 transform -#define CODEC_FLAG2_FASTPSKIP 0x00000100 ///< H.264 fast pskip -#define CODEC_FLAG2_AUD 0x00000200 ///< H.264 access unit delimiters -#define CODEC_FLAG2_BRDO 0x00000400 ///< b-frame rate-distortion optimization -#define CODEC_FLAG2_INTRA_VLC 0x00000800 ///< use MPEG-2 intra VLC table -#define CODEC_FLAG2_MEMC_ONLY 0x00001000 ///< only do ME/MC (I frames -> ref, P frame -> ME+MC) -#define CODEC_FLAG2_DROP_FRAME_TIMECODE 0x00002000 ///< timecode is in drop frame format -#define CODEC_FLAG2_SKIP_RD 0x00004000 ///< RD optimal MB level residual skiping - -/* Unsupported options : - * Syntax Arithmetic coding (SAC) - * Reference Picture Selection - * Independant Segment Decoding */ -/* /Fx */ -/* codec capabilities */ - -#define CODEC_CAP_DRAW_HORIZ_BAND 0x0001 ///< decoder can use draw_horiz_band callback -/** - * Codec uses get_buffer() for allocating buffers. - * direct rendering method 1 - */ -#define CODEC_CAP_DR1 0x0002 -/* if 'parse_only' field is true, then avcodec_parse_frame() can be - used */ -#define CODEC_CAP_PARSE_ONLY 0x0004 -#define CODEC_CAP_TRUNCATED 0x0008 -/* codec can export data for HW decoding (XvMC) */ -#define CODEC_CAP_HWACCEL 0x0010 -/** - * codec has a non zero delay and needs to be feeded with NULL at the end to get the delayed data. - * if this is not set, the codec is guranteed to never be feeded with NULL data - */ -#define CODEC_CAP_DELAY 0x0020 -/** - * Codec can be fed a final frame with a smaller size. - * This can be used to prevent truncation of the last audio samples. - */ -#define CODEC_CAP_SMALL_LAST_FRAME 0x0040 - -//the following defines may change, don't expect compatibility if you use them -#define MB_TYPE_INTRA4x4 0x0001 -#define MB_TYPE_INTRA16x16 0x0002 //FIXME h264 specific -#define MB_TYPE_INTRA_PCM 0x0004 //FIXME h264 specific -#define MB_TYPE_16x16 0x0008 -#define MB_TYPE_16x8 0x0010 -#define MB_TYPE_8x16 0x0020 -#define MB_TYPE_8x8 0x0040 -#define MB_TYPE_INTERLACED 0x0080 -#define MB_TYPE_DIRECT2 0x0100 //FIXME -#define MB_TYPE_ACPRED 0x0200 -#define MB_TYPE_GMC 0x0400 -#define MB_TYPE_SKIP 0x0800 -#define MB_TYPE_P0L0 0x1000 -#define MB_TYPE_P1L0 0x2000 -#define MB_TYPE_P0L1 0x4000 -#define MB_TYPE_P1L1 0x8000 -#define MB_TYPE_L0 (MB_TYPE_P0L0 | MB_TYPE_P1L0) -#define MB_TYPE_L1 (MB_TYPE_P0L1 | MB_TYPE_P1L1) -#define MB_TYPE_L0L1 (MB_TYPE_L0 | MB_TYPE_L1) -#define MB_TYPE_QUANT 0x00010000 -#define MB_TYPE_CBP 0x00020000 -//Note bits 24-31 are reserved for codec specific use (h264 ref0, mpeg1 0mv, ...) - -/** - * Pan Scan area. - * this specifies the area which should be displayed. Note there may be multiple such areas for one frame - */ -typedef struct AVPanScan{ - /** - * id. - * - encoding: set by user. - * - decoding: set by lavc - */ - int id; - - /** - * width and height in 1/16 pel - * - encoding: set by user. - * - decoding: set by lavc - */ - int width; - int height; - - /** - * position of the top left corner in 1/16 pel for up to 3 fields/frames. - * - encoding: set by user. - * - decoding: set by lavc - */ - int16_t position[3][2]; -}AVPanScan; - -#define FF_COMMON_FRAME \ - /**\ - * pointer to the picture planes.\ - * this might be different from the first allocated byte\ - * - encoding: \ - * - decoding: \ - */\ - uint8_t *data[4];\ - int linesize[4];\ - /**\ - * pointer to the first allocated byte of the picture. can be used in get_buffer/release_buffer\ - * this isn't used by lavc unless the default get/release_buffer() is used\ - * - encoding: \ - * - decoding: \ - */\ - uint8_t *base[4];\ - /**\ - * 1 -> keyframe, 0-> not\ - * - encoding: set by lavc\ - * - decoding: set by lavc\ - */\ - int key_frame;\ -\ - /**\ - * picture type of the frame, see ?_TYPE below.\ - * - encoding: set by lavc for coded_picture (and set by user for input)\ - * - decoding: set by lavc\ - */\ - int pict_type;\ -\ - /**\ - * presentation timestamp in time_base units (time when frame should be shown to user)\ - * if AV_NOPTS_VALUE then frame_rate = 1/time_base will be assumed\ - * - encoding: MUST be set by user\ - * - decoding: set by lavc\ - */\ - int64_t pts;\ -\ - /**\ - * picture number in bitstream order.\ - * - encoding: set by\ - * - decoding: set by lavc\ - */\ - int coded_picture_number;\ - /**\ - * picture number in display order.\ - * - encoding: set by\ - * - decoding: set by lavc\ - */\ - int display_picture_number;\ -\ - /**\ - * quality (between 1 (good) and FF_LAMBDA_MAX (bad)) \ - * - encoding: set by lavc for coded_picture (and set by user for input)\ - * - decoding: set by lavc\ - */\ - int quality; \ -\ - /**\ - * buffer age (1->was last buffer and dint change, 2->..., ...).\ - * set to INT_MAX if the buffer has not been used yet \ - * - encoding: unused\ - * - decoding: MUST be set by get_buffer()\ - */\ - int age;\ -\ - /**\ - * is this picture used as reference\ - * - encoding: unused\ - * - decoding: set by lavc (before get_buffer() call))\ - */\ - int reference;\ -\ - /**\ - * QP table\ - * - encoding: unused\ - * - decoding: set by lavc\ - */\ - int8_t *qscale_table;\ - /**\ - * QP store stride\ - * - encoding: unused\ - * - decoding: set by lavc\ - */\ - int qstride;\ -\ - /**\ - * mbskip_table[mb]>=1 if MB didnt change\ - * stride= mb_width = (width+15)>>4\ - * - encoding: unused\ - * - decoding: set by lavc\ - */\ - uint8_t *mbskip_table;\ -\ - /**\ - * Motion vector table.\ - * @code\ - * example:\ - * int mv_sample_log2= 4 - motion_subsample_log2;\ - * int mb_width= (width+15)>>4;\ - * int mv_stride= (mb_width << mv_sample_log2) + 1;\ - * motion_val[direction][x + y*mv_stride][0->mv_x, 1->mv_y];\ - * @endcode\ - * - encoding: set by user\ - * - decoding: set by lavc\ - */\ - int16_t (*motion_val[2])[2];\ -\ - /**\ - * Macroblock type table\ - * mb_type_base + mb_width + 2\ - * - encoding: set by user\ - * - decoding: set by lavc\ - */\ - uint32_t *mb_type;\ -\ - /**\ - * log2 of the size of the block which a single vector in motion_val represents: \ - * (4->16x16, 3->8x8, 2-> 4x4, 1-> 2x2)\ - * - encoding: unused\ - * - decoding: set by lavc\ - */\ - uint8_t motion_subsample_log2;\ -\ - /**\ - * for some private data of the user\ - * - encoding: unused\ - * - decoding: set by user\ - */\ - void *opaque;\ -\ - /**\ - * error\ - * - encoding: set by lavc if flags&CODEC_FLAG_PSNR\ - * - decoding: unused\ - */\ - uint64_t error[4];\ -\ - /**\ - * type of the buffer (to keep track of who has to dealloc data[*])\ - * - encoding: set by the one who allocs it\ - * - decoding: set by the one who allocs it\ - * Note: user allocated (direct rendering) & internal buffers can not coexist currently\ - */\ - int type;\ - \ - /**\ - * when decoding, this signal how much the picture must be delayed.\ - * extra_delay = repeat_pict / (2*fps)\ - * - encoding: unused\ - * - decoding: set by lavc\ - */\ - int repeat_pict;\ - \ - /**\ - * \ - */\ - int qscale_type;\ - \ - /**\ - * The content of the picture is interlaced.\ - * - encoding: set by user\ - * - decoding: set by lavc (default 0)\ - */\ - int interlaced_frame;\ - \ - /**\ - * if the content is interlaced, is top field displayed first.\ - * - encoding: set by user\ - * - decoding: set by lavc\ - */\ - int top_field_first;\ - \ - /**\ - * Pan scan.\ - * - encoding: set by user\ - * - decoding: set by lavc\ - */\ - AVPanScan *pan_scan;\ - \ - /**\ - * tell user application that palette has changed from previous frame.\ - * - encoding: ??? (no palette-enabled encoder yet)\ - * - decoding: set by lavc (default 0)\ - */\ - int palette_has_changed;\ - \ - /**\ - * Codec suggestion on buffer type if != 0\ - * - encoding: unused\ - * - decoding: set by lavc (before get_buffer() call))\ - */\ - int buffer_hints;\ -\ - /**\ - * DCT coeffitients\ - * - encoding: unused\ - * - decoding: set by lavc\ - */\ - short *dct_coeff;\ -\ - /**\ - * Motion referece frame index\ - * - encoding: set by user\ - * - decoding: set by lavc\ - */\ - int8_t *ref_index[2]; - -#define FF_QSCALE_TYPE_MPEG1 0 -#define FF_QSCALE_TYPE_MPEG2 1 -#define FF_QSCALE_TYPE_H264 2 - -#define FF_BUFFER_TYPE_INTERNAL 1 -#define FF_BUFFER_TYPE_USER 2 ///< Direct rendering buffers (image is (de)allocated by user) -#define FF_BUFFER_TYPE_SHARED 4 ///< buffer from somewhere else, don't dealloc image (data/base), all other tables are not shared -#define FF_BUFFER_TYPE_COPY 8 ///< just a (modified) copy of some other buffer, don't dealloc anything - - -#define FF_I_TYPE 1 // Intra -#define FF_P_TYPE 2 // Predicted -#define FF_B_TYPE 3 // Bi-dir predicted -#define FF_S_TYPE 4 // S(GMC)-VOP MPEG4 -#define FF_SI_TYPE 5 -#define FF_SP_TYPE 6 - -#define FF_BUFFER_HINTS_VALID 0x01 // Buffer hints value is meaningful (if 0 ignore) -#define FF_BUFFER_HINTS_READABLE 0x02 // Codec will read from buffer -#define FF_BUFFER_HINTS_PRESERVE 0x04 // User must not alter buffer content -#define FF_BUFFER_HINTS_REUSABLE 0x08 // Codec will reuse the buffer (update) - -/** - * Audio Video Frame. - */ -typedef struct AVFrame { - FF_COMMON_FRAME -} AVFrame; - -#define DEFAULT_FRAME_RATE_BASE 1001000 - -/** - * main external api structure. - */ -typedef struct AVCodecContext { - /** - * Info on struct for av_log - * - set by avcodec_alloc_context - */ - AVClass *av_class; - /** - * the average bitrate. - * - encoding: set by user. unused for constant quantizer encoding - * - decoding: set by lavc. 0 or some bitrate if this info is available in the stream - */ - int bit_rate; - - /** - * number of bits the bitstream is allowed to diverge from the reference. - * the reference can be CBR (for CBR pass1) or VBR (for pass2) - * - encoding: set by user. unused for constant quantizer encoding - * - decoding: unused - */ - int bit_rate_tolerance; - - /** - * CODEC_FLAG_*. - * - encoding: set by user. - * - decoding: set by user. - */ - int flags; - - /** - * some codecs needs additionnal format info. It is stored here - * - encoding: set by user. - * - decoding: set by lavc. (FIXME is this ok?) - */ - int sub_id; - - /** - * motion estimation algorithm used for video coding. - * 1 (zero), 2 (full), 3 (log), 4 (phods), 5 (epzs), 6 (x1), 7 (hex), - * 8 (umh), 9 (iter) [7, 8 are x264 specific, 9 is snow specific] - * - encoding: MUST be set by user. - * - decoding: unused - */ - int me_method; - - /** - * some codecs need / can use extra-data like huffman tables. - * mjpeg: huffman tables - * rv10: additional flags - * mpeg4: global headers (they can be in the bitstream or here) - * the allocated memory should be FF_INPUT_BUFFER_PADDING_SIZE bytes larger - * then extradata_size to avoid prolems if its read with the bitstream reader - * the bytewise contents of extradata must not depend on the architecture or cpu endianness - * - encoding: set/allocated/freed by lavc. - * - decoding: set/allocated/freed by user. - */ - uint8_t *extradata; - int extradata_size; - - /** - * this is the fundamental unit of time (in seconds) in terms - * of which frame timestamps are represented. for fixed-fps content, - * timebase should be 1/framerate and timestamp increments should be - * identically 1. - * - encoding: MUST be set by user - * - decoding: set by lavc. - */ - AVRational time_base; - - /* video only */ - /** - * picture width / height. - * - encoding: MUST be set by user. - * - decoding: set by lavc. - * Note, for compatibility its possible to set this instead of - * coded_width/height before decoding - */ - int width, height; - -#define FF_ASPECT_EXTENDED 15 - - /** - * the number of pictures in a group of pitures, or 0 for intra_only. - * - encoding: set by user. - * - decoding: unused - */ - int gop_size; - - /** - * pixel format, see PIX_FMT_xxx. - * - encoding: set by user. - * - decoding: set by lavc. - */ - enum PixelFormat pix_fmt; - - /** - * Frame rate emulation. If not zero lower layer (i.e. format handler) - * has to read frames at native frame rate. - * - encoding: set by user. - * - decoding: unused. - */ - int rate_emu; - - /** - * if non NULL, 'draw_horiz_band' is called by the libavcodec - * decoder to draw an horizontal band. It improve cache usage. Not - * all codecs can do that. You must check the codec capabilities - * before - * - encoding: unused - * - decoding: set by user. - * @param height the height of the slice - * @param y the y position of the slice - * @param type 1->top field, 2->bottom field, 3->frame - * @param offset offset into the AVFrame.data from which the slice should be read - */ - void (*draw_horiz_band)(struct AVCodecContext *s, - const AVFrame *src, int offset[4], - int y, int type, int height); - - /* audio only */ - int sample_rate; ///< samples per sec - int channels; - - /** - * audio sample format. - * - encoding: set by user. - * - decoding: set by lavc. - */ - enum SampleFormat sample_fmt; ///< sample format, currenly unused - - /* the following data should not be initialized */ - /** - * samples per packet. initialized when calling 'init' - */ - int frame_size; - int frame_number; ///< audio or video frame number - int real_pict_num; ///< returns the real picture number of previous encoded frame - - /** - * number of frames the decoded output will be delayed relative to - * the encoded input. - * - encoding: set by lavc. - * - decoding: unused - */ - int delay; - - /* - encoding parameters */ - float qcompress; ///< amount of qscale change between easy & hard scenes (0.0-1.0) - float qblur; ///< amount of qscale smoothing over time (0.0-1.0) - - /** - * minimum quantizer. - * - encoding: set by user. - * - decoding: unused - */ - int qmin; - - /** - * maximum quantizer. - * - encoding: set by user. - * - decoding: unused - */ - int qmax; - - /** - * maximum quantizer difference between frames. - * - encoding: set by user. - * - decoding: unused - */ - int max_qdiff; - - /** - * maximum number of b frames between non b frames. - * note: the output will be delayed by max_b_frames+1 relative to the input - * - encoding: set by user. - * - decoding: unused - */ - int max_b_frames; - - /** - * qscale factor between ip and b frames. - * - encoding: set by user. - * - decoding: unused - */ - float b_quant_factor; - - /** obsolete FIXME remove */ - int rc_strategy; -#define FF_RC_STRATEGY_XVID 1 - - int b_frame_strategy; - - /** - * hurry up amount. - * deprecated in favor of skip_idct and skip_frame - * - encoding: unused - * - decoding: set by user. 1-> skip b frames, 2-> skip idct/dequant too, 5-> skip everything except header - */ - int hurry_up; - - struct AVCodec *codec; - - void *priv_data; - - /* unused, FIXME remove*/ - int rtp_mode; - - int rtp_payload_size; /* The size of the RTP payload: the coder will */ - /* do it's best to deliver a chunk with size */ - /* below rtp_payload_size, the chunk will start */ - /* with a start code on some codecs like H.263 */ - /* This doesn't take account of any particular */ - /* headers inside the transmited RTP payload */ - - - /* The RTP callback: This function is called */ - /* every time the encoder has a packet to send */ - /* Depends on the encoder if the data starts */ - /* with a Start Code (it should) H.263 does. */ - /* mb_nb contains the number of macroblocks */ - /* encoded in the RTP payload */ - void (*rtp_callback)(struct AVCodecContext *avctx, void *data, int size, int mb_nb); - - /* statistics, used for 2-pass encoding */ - int mv_bits; - int header_bits; - int i_tex_bits; - int p_tex_bits; - int i_count; - int p_count; - int skip_count; - int misc_bits; - - /** - * number of bits used for the previously encoded frame. - * - encoding: set by lavc - * - decoding: unused - */ - int frame_bits; - - /** - * private data of the user, can be used to carry app specific stuff. - * - encoding: set by user - * - decoding: set by user - */ - void *opaque; - - char codec_name[32]; - enum CodecType codec_type; /* see CODEC_TYPE_xxx */ - enum CodecID codec_id; /* see CODEC_ID_xxx */ - - /** - * fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A'). - * this is used to workaround some encoder bugs - * - encoding: set by user, if not then the default based on codec_id will be used - * - decoding: set by user, will be converted to upper case by lavc during init - */ - unsigned int codec_tag; - - /** - * workaround bugs in encoders which sometimes cannot be detected automatically. - * - encoding: set by user - * - decoding: set by user - */ - int workaround_bugs; -#define FF_BUG_AUTODETECT 1 ///< autodetection -#define FF_BUG_OLD_MSMPEG4 2 -#define FF_BUG_XVID_ILACE 4 -#define FF_BUG_UMP4 8 -#define FF_BUG_NO_PADDING 16 -#define FF_BUG_AMV 32 -#define FF_BUG_AC_VLC 0 ///< will be removed, libavcodec can now handle these non compliant files by default -#define FF_BUG_QPEL_CHROMA 64 -#define FF_BUG_STD_QPEL 128 -#define FF_BUG_QPEL_CHROMA2 256 -#define FF_BUG_DIRECT_BLOCKSIZE 512 -#define FF_BUG_EDGE 1024 -#define FF_BUG_HPEL_CHROMA 2048 -#define FF_BUG_DC_CLIP 4096 -#define FF_BUG_MS 8192 ///< workaround various bugs in microsofts broken decoders -//#define FF_BUG_FAKE_SCALABILITY 16 //autodetection should work 100% - - /** - * luma single coeff elimination threshold. - * - encoding: set by user - * - decoding: unused - */ - int luma_elim_threshold; - - /** - * chroma single coeff elimination threshold. - * - encoding: set by user - * - decoding: unused - */ - int chroma_elim_threshold; - - /** - * strictly follow the std (MPEG4, ...). - * - encoding: set by user - * - decoding: unused - */ - int strict_std_compliance; -#define FF_COMPLIANCE_VERY_STRICT 2 ///< strictly conform to a older more strict version of the spec or reference software -#define FF_COMPLIANCE_STRICT 1 ///< strictly conform to all the things in the spec no matter what consequences -#define FF_COMPLIANCE_NORMAL 0 -#define FF_COMPLIANCE_INOFFICIAL -1 ///< allow inofficial extensions -#define FF_COMPLIANCE_EXPERIMENTAL -2 ///< allow non standarized experimental things - - /** - * qscale offset between ip and b frames. - * if > 0 then the last p frame quantizer will be used (q= lastp_q*factor+offset) - * if < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset) - * - encoding: set by user. - * - decoding: unused - */ - float b_quant_offset; - - /** - * error resilience higher values will detect more errors but may missdetect - * some more or less valid parts as errors. - * - encoding: unused - * - decoding: set by user - */ - int error_resilience; -#define FF_ER_CAREFUL 1 -#define FF_ER_COMPLIANT 2 -#define FF_ER_AGGRESSIVE 3 -#define FF_ER_VERY_AGGRESSIVE 4 - - /** - * called at the beginning of each frame to get a buffer for it. - * if pic.reference is set then the frame will be read later by lavc - * avcodec_align_dimensions() should be used to find the required width and - * height, as they normally need to be rounded up to the next multiple of 16 - * - encoding: unused - * - decoding: set by lavc, user can override - */ - int (*get_buffer)(struct AVCodecContext *c, AVFrame *pic); - - /** - * called to release buffers which where allocated with get_buffer. - * a released buffer can be reused in get_buffer() - * pic.data[*] must be set to NULL - * - encoding: unused - * - decoding: set by lavc, user can override - */ - void (*release_buffer)(struct AVCodecContext *c, AVFrame *pic); - - /** - * if 1 the stream has a 1 frame delay during decoding. - * - encoding: set by lavc - * - decoding: set by lavc - */ - int has_b_frames; - - /** - * number of bytes per packet if constant and known or 0 - * used by some WAV based audio codecs - */ - int block_align; - - int parse_only; /* - decoding only: if true, only parsing is done - (function avcodec_parse_frame()). The frame - data is returned. Only MPEG codecs support this now. */ - - /** - * 0-> h263 quant 1-> mpeg quant. - * - encoding: set by user. - * - decoding: unused - */ - int mpeg_quant; - - /** - * pass1 encoding statistics output buffer. - * - encoding: set by lavc - * - decoding: unused - */ - char *stats_out; - - /** - * pass2 encoding statistics input buffer. - * concatenated stuff from stats_out of pass1 should be placed here - * - encoding: allocated/set/freed by user - * - decoding: unused - */ - char *stats_in; - - /** - * ratecontrol qmin qmax limiting method. - * 0-> clipping, 1-> use a nice continous function to limit qscale wthin qmin/qmax - * - encoding: set by user. - * - decoding: unused - */ - float rc_qsquish; - - float rc_qmod_amp; - int rc_qmod_freq; - - /** - * ratecontrol override, see RcOverride. - * - encoding: allocated/set/freed by user. - * - decoding: unused - */ - RcOverride *rc_override; - int rc_override_count; - - /** - * rate control equation. - * - encoding: set by user - * - decoding: unused - */ - char *rc_eq; - - /** - * maximum bitrate. - * - encoding: set by user. - * - decoding: unused - */ - int rc_max_rate; - - /** - * minimum bitrate. - * - encoding: set by user. - * - decoding: unused - */ - int rc_min_rate; - - /** - * decoder bitstream buffer size. - * - encoding: set by user. - * - decoding: unused - */ - int rc_buffer_size; - float rc_buffer_aggressivity; - - /** - * qscale factor between p and i frames. - * if > 0 then the last p frame quantizer will be used (q= lastp_q*factor+offset) - * if < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset) - * - encoding: set by user. - * - decoding: unused - */ - float i_quant_factor; - - /** - * qscale offset between p and i frames. - * - encoding: set by user. - * - decoding: unused - */ - float i_quant_offset; - - /** - * initial complexity for pass1 ratecontrol. - * - encoding: set by user. - * - decoding: unused - */ - float rc_initial_cplx; - - /** - * dct algorithm, see FF_DCT_* below. - * - encoding: set by user - * - decoding: unused - */ - int dct_algo; -#define FF_DCT_AUTO 0 -#define FF_DCT_FASTINT 1 -#define FF_DCT_INT 2 -#define FF_DCT_MMX 3 -#define FF_DCT_MLIB 4 -#define FF_DCT_ALTIVEC 5 -#define FF_DCT_FAAN 6 - - /** - * luminance masking (0-> disabled). - * - encoding: set by user - * - decoding: unused - */ - float lumi_masking; - - /** - * temporary complexity masking (0-> disabled). - * - encoding: set by user - * - decoding: unused - */ - float temporal_cplx_masking; - - /** - * spatial complexity masking (0-> disabled). - * - encoding: set by user - * - decoding: unused - */ - float spatial_cplx_masking; - - /** - * p block masking (0-> disabled). - * - encoding: set by user - * - decoding: unused - */ - float p_masking; - - /** - * darkness masking (0-> disabled). - * - encoding: set by user - * - decoding: unused - */ - float dark_masking; - - - /* for binary compatibility */ - int unused; - - /** - * idct algorithm, see FF_IDCT_* below. - * - encoding: set by user - * - decoding: set by user - */ - int idct_algo; -#define FF_IDCT_AUTO 0 -#define FF_IDCT_INT 1 -#define FF_IDCT_SIMPLE 2 -#define FF_IDCT_SIMPLEMMX 3 -#define FF_IDCT_LIBMPEG2MMX 4 -#define FF_IDCT_PS2 5 -#define FF_IDCT_MLIB 6 -#define FF_IDCT_ARM 7 -#define FF_IDCT_ALTIVEC 8 -#define FF_IDCT_SH4 9 -#define FF_IDCT_SIMPLEARM 10 -#define FF_IDCT_H264 11 -#define FF_IDCT_VP3 12 -#define FF_IDCT_IPP 13 -#define FF_IDCT_XVIDMMX 14 -#define FF_IDCT_CAVS 15 -#define FF_IDCT_SIMPLEARMV5TE 16 - - /** - * slice count. - * - encoding: set by lavc - * - decoding: set by user (or 0) - */ - int slice_count; - /** - * slice offsets in the frame in bytes. - * - encoding: set/allocated by lavc - * - decoding: set/allocated by user (or NULL) - */ - int *slice_offset; - - /** - * error concealment flags. - * - encoding: unused - * - decoding: set by user - */ - int error_concealment; -#define FF_EC_GUESS_MVS 1 -#define FF_EC_DEBLOCK 2 - - /** - * dsp_mask could be add used to disable unwanted CPU features - * CPU features (i.e. MMX, SSE. ...) - * - * with FORCE flag you may instead enable given CPU features - * (Dangerous: usable in case of misdetection, improper usage however will - * result into program crash) - */ - unsigned dsp_mask; -#define FF_MM_FORCE 0x80000000 /* force usage of selected flags (OR) */ - /* lower 16 bits - CPU features */ -#ifdef HAVE_MMX -#define FF_MM_MMX 0x0001 /* standard MMX */ -#define FF_MM_3DNOW 0x0004 /* AMD 3DNOW */ -#define FF_MM_MMXEXT 0x0002 /* SSE integer functions or AMD MMX ext */ -#define FF_MM_SSE 0x0008 /* SSE functions */ -#define FF_MM_SSE2 0x0010 /* PIV SSE2 functions */ -#define FF_MM_3DNOWEXT 0x0020 /* AMD 3DNowExt */ -#endif /* HAVE_MMX */ -#ifdef HAVE_IWMMXT -#define FF_MM_IWMMXT 0x0100 /* XScale IWMMXT */ -#endif /* HAVE_IWMMXT */ - - /** - * bits per sample/pixel from the demuxer (needed for huffyuv). - * - encoding: set by lavc - * - decoding: set by user - */ - int bits_per_sample; - - /** - * prediction method (needed for huffyuv). - * - encoding: set by user - * - decoding: unused - */ - int prediction_method; -#define FF_PRED_LEFT 0 -#define FF_PRED_PLANE 1 -#define FF_PRED_MEDIAN 2 - - /** - * sample aspect ratio (0 if unknown). - * numerator and denominator must be relative prime and smaller then 256 for some video standards - * - encoding: set by user. - * - decoding: set by lavc. - */ - AVRational sample_aspect_ratio; - - /** - * the picture in the bitstream. - * - encoding: set by lavc - * - decoding: set by lavc - */ - AVFrame *coded_frame; - - /** - * debug. - * - encoding: set by user. - * - decoding: set by user. - */ - int debug; -#define FF_DEBUG_PICT_INFO 1 -#define FF_DEBUG_RC 2 -#define FF_DEBUG_BITSTREAM 4 -#define FF_DEBUG_MB_TYPE 8 -#define FF_DEBUG_QP 16 -#define FF_DEBUG_MV 32 -#define FF_DEBUG_DCT_COEFF 0x00000040 -#define FF_DEBUG_SKIP 0x00000080 -#define FF_DEBUG_STARTCODE 0x00000100 -#define FF_DEBUG_PTS 0x00000200 -#define FF_DEBUG_ER 0x00000400 -#define FF_DEBUG_MMCO 0x00000800 -#define FF_DEBUG_BUGS 0x00001000 -#define FF_DEBUG_VIS_QP 0x00002000 -#define FF_DEBUG_VIS_MB_TYPE 0x00004000 - - /** - * debug. - * - encoding: set by user. - * - decoding: set by user. - */ - int debug_mv; -#define FF_DEBUG_VIS_MV_P_FOR 0x00000001 //visualize forward predicted MVs of P frames -#define FF_DEBUG_VIS_MV_B_FOR 0x00000002 //visualize forward predicted MVs of B frames -#define FF_DEBUG_VIS_MV_B_BACK 0x00000004 //visualize backward predicted MVs of B frames - - /** - * error. - * - encoding: set by lavc if flags&CODEC_FLAG_PSNR - * - decoding: unused - */ - uint64_t error[4]; - - /** - * minimum MB quantizer. - * - encoding: unused - * - decoding: unused - */ - int mb_qmin; - - /** - * maximum MB quantizer. - * - encoding: unused - * - decoding: unused - */ - int mb_qmax; - - /** - * motion estimation compare function. - * - encoding: set by user. - * - decoding: unused - */ - int me_cmp; - /** - * subpixel motion estimation compare function. - * - encoding: set by user. - * - decoding: unused - */ - int me_sub_cmp; - /** - * macroblock compare function (not supported yet). - * - encoding: set by user. - * - decoding: unused - */ - int mb_cmp; - /** - * interlaced dct compare function - * - encoding: set by user. - * - decoding: unused - */ - int ildct_cmp; -#define FF_CMP_SAD 0 -#define FF_CMP_SSE 1 -#define FF_CMP_SATD 2 -#define FF_CMP_DCT 3 -#define FF_CMP_PSNR 4 -#define FF_CMP_BIT 5 -#define FF_CMP_RD 6 -#define FF_CMP_ZERO 7 -#define FF_CMP_VSAD 8 -#define FF_CMP_VSSE 9 -#define FF_CMP_NSSE 10 -#define FF_CMP_W53 11 -#define FF_CMP_W97 12 -#define FF_CMP_DCTMAX 13 -#define FF_CMP_DCT264 14 -#define FF_CMP_CHROMA 256 - - /** - * ME diamond size & shape. - * - encoding: set by user. - * - decoding: unused - */ - int dia_size; - - /** - * amount of previous MV predictors (2a+1 x 2a+1 square). - * - encoding: set by user. - * - decoding: unused - */ - int last_predictor_count; - - /** - * pre pass for motion estimation. - * - encoding: set by user. - * - decoding: unused - */ - int pre_me; - - /** - * motion estimation pre pass compare function. - * - encoding: set by user. - * - decoding: unused - */ - int me_pre_cmp; - - /** - * ME pre pass diamond size & shape. - * - encoding: set by user. - * - decoding: unused - */ - int pre_dia_size; - - /** - * subpel ME quality. - * - encoding: set by user. - * - decoding: unused - */ - int me_subpel_quality; - - /** - * callback to negotiate the pixelFormat. - * @param fmt is the list of formats which are supported by the codec, - * its terminated by -1 as 0 is a valid format, the formats are ordered by quality - * the first is allways the native one - * @return the choosen format - * - encoding: unused - * - decoding: set by user, if not set then the native format will always be choosen - */ - enum PixelFormat (*get_format)(struct AVCodecContext *s, const enum PixelFormat * fmt); - - /** - * DTG active format information (additionnal aspect ratio - * information only used in DVB MPEG2 transport streams). 0 if - * not set. - * - * - encoding: unused. - * - decoding: set by decoder - */ - int dtg_active_format; -#define FF_DTG_AFD_SAME 8 -#define FF_DTG_AFD_4_3 9 -#define FF_DTG_AFD_16_9 10 -#define FF_DTG_AFD_14_9 11 -#define FF_DTG_AFD_4_3_SP_14_9 13 -#define FF_DTG_AFD_16_9_SP_14_9 14 -#define FF_DTG_AFD_SP_4_3 15 - - /** - * Maximum motion estimation search range in subpel units. - * if 0 then no limit - * - * - encoding: set by user. - * - decoding: unused. - */ - int me_range; - - /** - * intra quantizer bias. - * - encoding: set by user. - * - decoding: unused - */ - int intra_quant_bias; -#define FF_DEFAULT_QUANT_BIAS 999999 - - /** - * inter quantizer bias. - * - encoding: set by user. - * - decoding: unused - */ - int inter_quant_bias; - - /** - * color table ID. - * - encoding: unused. - * - decoding: which clrtable should be used for 8bit RGB images - * table have to be stored somewhere FIXME - */ - int color_table_id; - - /** - * internal_buffer count. - * Don't touch, used by lavc default_get_buffer() - */ - int internal_buffer_count; - - /** - * internal_buffers. - * Don't touch, used by lavc default_get_buffer() - */ - void *internal_buffer; - -#define FF_LAMBDA_SHIFT 7 -#define FF_LAMBDA_SCALE (1<<FF_LAMBDA_SHIFT) -#define FF_QP2LAMBDA 118 ///< factor to convert from H.263 QP to lambda -#define FF_LAMBDA_MAX (256*128-1) - -#define FF_QUALITY_SCALE FF_LAMBDA_SCALE //FIXME maybe remove - /** - * global quality for codecs which cannot change it per frame. - * this should be proportional to MPEG1/2/4 qscale. - * - encoding: set by user. - * - decoding: unused - */ - int global_quality; - -#define FF_CODER_TYPE_VLC 0 -#define FF_CODER_TYPE_AC 1 - /** - * coder type - * - encoding: set by user. - * - decoding: unused - */ - int coder_type; - - /** - * context model - * - encoding: set by user. - * - decoding: unused - */ - int context_model; -#if 0 - /** - * - * - encoding: unused - * - decoding: set by user. - */ - uint8_t * (*realloc)(struct AVCodecContext *s, uint8_t *buf, int buf_size); -#endif - - /** - * slice flags - * - encoding: unused - * - decoding: set by user. - */ - int slice_flags; -#define SLICE_FLAG_CODED_ORDER 0x0001 ///< draw_horiz_band() is called in coded order instead of display -#define SLICE_FLAG_ALLOW_FIELD 0x0002 ///< allow draw_horiz_band() with field slices (MPEG2 field pics) -#define SLICE_FLAG_ALLOW_PLANE 0x0004 ///< allow draw_horiz_band() with 1 component at a time (SVQ1) - - /** - * XVideo Motion Acceleration - * - encoding: forbidden - * - decoding: set by decoder - */ - int xvmc_acceleration; - - /** - * macroblock decision mode - * - encoding: set by user. - * - decoding: unused - */ - int mb_decision; -#define FF_MB_DECISION_SIMPLE 0 ///< uses mb_cmp -#define FF_MB_DECISION_BITS 1 ///< chooses the one which needs the fewest bits -#define FF_MB_DECISION_RD 2 ///< rate distoration - - /** - * custom intra quantization matrix - * - encoding: set by user, can be NULL - * - decoding: set by lavc - */ - uint16_t *intra_matrix; - - /** - * custom inter quantization matrix - * - encoding: set by user, can be NULL - * - decoding: set by lavc - */ - uint16_t *inter_matrix; - - /** - * fourcc from the AVI stream header (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A'). - * this is used to workaround some encoder bugs - * - encoding: unused - * - decoding: set by user, will be converted to upper case by lavc during init - */ - unsigned int stream_codec_tag; - - /** - * scene change detection threshold. - * 0 is default, larger means fewer detected scene changes - * - encoding: set by user. - * - decoding: unused - */ - int scenechange_threshold; - - /** - * minimum lagrange multipler - * - encoding: set by user. - * - decoding: unused - */ - int lmin; - - /** - * maximum lagrange multipler - * - encoding: set by user. - * - decoding: unused - */ - int lmax; - - /** - * Palette control structure - * - encoding: ??? (no palette-enabled encoder yet) - * - decoding: set by user. - */ - struct AVPaletteControl *palctrl; - - /** - * noise reduction strength - * - encoding: set by user. - * - decoding: unused - */ - int noise_reduction; - - /** - * called at the beginning of a frame to get cr buffer for it. - * buffer type (size, hints) must be the same. lavc won't check it. - * lavc will pass previous buffer in pic, function should return - * same buffer or new buffer with old frame "painted" into it. - * if pic.data[0] == NULL must behave like get_buffer(). - * - encoding: unused - * - decoding: set by lavc, user can override - */ - int (*reget_buffer)(struct AVCodecContext *c, AVFrame *pic); - - /** - * number of bits which should be loaded into the rc buffer before decoding starts - * - encoding: set by user. - * - decoding: unused - */ - int rc_initial_buffer_occupancy; - - /** - * - * - encoding: set by user. - * - decoding: unused - */ - int inter_threshold; - - /** - * CODEC_FLAG2_*. - * - encoding: set by user. - * - decoding: set by user. - */ - int flags2; - - /** - * simulates errors in the bitstream to test error concealment. - * - encoding: set by user. - * - decoding: unused. - */ - int error_rate; - - /** - * MP3 antialias algorithm, see FF_AA_* below. - * - encoding: unused - * - decoding: set by user - */ - int antialias_algo; -#define FF_AA_AUTO 0 -#define FF_AA_FASTINT 1 //not implemented yet -#define FF_AA_INT 2 -#define FF_AA_FLOAT 3 - /** - * Quantizer noise shaping. - * - encoding: set by user - * - decoding: unused - */ - int quantizer_noise_shaping; - - /** - * Thread count. - * is used to decide how many independant tasks should be passed to execute() - * - encoding: set by user - * - decoding: set by user - */ - int thread_count; - - /** - * the codec may call this to execute several independant things. it will return only after - * finishing all tasks, the user may replace this with some multithreaded implementation, the - * default implementation will execute the parts serially - * @param count the number of things to execute - * - encoding: set by lavc, user can override - * - decoding: set by lavc, user can override - */ - int (*execute)(struct AVCodecContext *c, int (*func)(struct AVCodecContext *c2, void *arg), void **arg2, int *ret, int count); - - /** - * Thread opaque. - * can be used by execute() to store some per AVCodecContext stuff. - * - encoding: set by execute() - * - decoding: set by execute() - */ - void *thread_opaque; - - /** - * Motion estimation threshold. under which no motion estimation is - * performed, but instead the user specified motion vectors are used - * - * - encoding: set by user - * - decoding: unused - */ - int me_threshold; - - /** - * Macroblock threshold. under which the user specified macroblock types will be used - * - encoding: set by user - * - decoding: unused - */ - int mb_threshold; - - /** - * precision of the intra dc coefficient - 8. - * - encoding: set by user - * - decoding: unused - */ - int intra_dc_precision; - - /** - * noise vs. sse weight for the nsse comparsion function. - * - encoding: set by user - * - decoding: unused - */ - int nsse_weight; - - /** - * number of macroblock rows at the top which are skipped. - * - encoding: unused - * - decoding: set by user - */ - int skip_top; - - /** - * number of macroblock rows at the bottom which are skipped. - * - encoding: unused - * - decoding: set by user - */ - int skip_bottom; - - /** - * profile - * - encoding: set by user - * - decoding: set by lavc - */ - int profile; -#define FF_PROFILE_UNKNOWN -99 - - /** - * level - * - encoding: set by user - * - decoding: set by lavc - */ - int level; -#define FF_LEVEL_UNKNOWN -99 - - /** - * low resolution decoding. 1-> 1/2 size, 2->1/4 size - * - encoding: unused - * - decoding: set by user - */ - int lowres; - - /** - * bitsream width / height. may be different from width/height if lowres - * or other things are used - * - encoding: unused - * - decoding: set by user before init if known, codec should override / dynamically change if needed - */ - int coded_width, coded_height; - - /** - * frame skip threshold - * - encoding: set by user - * - decoding: unused - */ - int frame_skip_threshold; - - /** - * frame skip factor - * - encoding: set by user - * - decoding: unused - */ - int frame_skip_factor; - - /** - * frame skip exponent - * - encoding: set by user - * - decoding: unused - */ - int frame_skip_exp; - - /** - * frame skip comparission function - * - encoding: set by user. - * - decoding: unused - */ - int frame_skip_cmp; - - /** - * border processing masking. raises the quantizer for mbs on the borders - * of the picture. - * - encoding: set by user - * - decoding: unused - */ - float border_masking; - - /** - * minimum MB lagrange multipler. - * - encoding: set by user. - * - decoding: unused - */ - int mb_lmin; - - /** - * maximum MB lagrange multipler. - * - encoding: set by user. - * - decoding: unused - */ - int mb_lmax; - - /** - * - * - encoding: set by user. - * - decoding: unused - */ - int me_penalty_compensation; - - /** - * - * - encoding: unused - * - decoding: set by user. - */ - enum AVDiscard skip_loop_filter; - - /** - * - * - encoding: unused - * - decoding: set by user. - */ - enum AVDiscard skip_idct; - - /** - * - * - encoding: unused - * - decoding: set by user. - */ - enum AVDiscard skip_frame; - - /** - * - * - encoding: set by user. - * - decoding: unused - */ - int bidir_refine; - - /** - * - * - encoding: set by user. - * - decoding: unused - */ - int brd_scale; - - /** - * constant rate factor - quality-based VBR - values ~correspond to qps - * - encoding: set by user. - * - decoding: unused - */ - float crf; - - /** - * constant quantization parameter rate control method - * - encoding: set by user. - * - decoding: unused - */ - int cqp; - - /** - * minimum gop size - * - encoding: set by user. - * - decoding: unused - */ - int keyint_min; - - /** - * number of reference frames - * - encoding: set by user. - * - decoding: unused - */ - int refs; - - /** - * chroma qp offset from luma - * - encoding: set by user. - * - decoding: unused - */ - int chromaoffset; - - /** - * influences how often b-frames are used - * - encoding: set by user. - * - decoding: unused - */ - int bframebias; - - /** - * trellis RD quantization - * - encoding: set by user. - * - decoding: unused - */ - int trellis; - - /** - * reduce fluctuations in qp (before curve compression) - * - encoding: set by user. - * - decoding: unused - */ - float complexityblur; - - /** - * in-loop deblocking filter alphac0 parameter - * alpha is in the range -6...6 - * - encoding: set by user. - * - decoding: unused - */ - int deblockalpha; - - /** - * in-loop deblocking filter beta parameter - * beta is in the range -6...6 - * - encoding: set by user. - * - decoding: unused - */ - int deblockbeta; - - /** - * macroblock subpartition sizes to consider - p8x8, p4x4, b8x8, i8x8, i4x4 - * - encoding: set by user. - * - decoding: unused - */ - int partitions; -#define X264_PART_I4X4 0x001 /* Analyse i4x4 */ -#define X264_PART_I8X8 0x002 /* Analyse i8x8 (requires 8x8 transform) */ -#define X264_PART_P8X8 0x010 /* Analyse p16x8, p8x16 and p8x8 */ -#define X264_PART_P4X4 0x020 /* Analyse p8x4, p4x8, p4x4 */ -#define X264_PART_B8X8 0x100 /* Analyse b16x8, b8x16 and b8x8 */ - - /** - * direct mv prediction mode - 0 (none), 1 (spatial), 2 (temporal) - * - encoding: set by user. - * - decoding: unused - */ - int directpred; - - /** - * audio cutoff bandwidth (0 means "automatic") . Currently used only by FAAC - * - encoding: set by user. - * - decoding: unused - */ - int cutoff; - - /** - * multiplied by qscale for each frame and added to scene_change_score - * - encoding: set by user. - * - decoding: unused - */ - int scenechange_factor; - - /** - * - * note: value depends upon the compare functin used for fullpel ME - * - encoding: set by user. - * - decoding: unused - */ - int mv0_threshold; - - /** - * adjusts sensitivity of b_frame_strategy 1 - * - encoding: set by user. - * - decoding: unused - */ - int b_sensitivity; - - /** - * - encoding: set by user. - * - decoding: unused - */ - int compression_level; -#define FF_COMPRESSION_DEFAULT -1 - - /** - * sets whether to use LPC mode - used by FLAC encoder - * - encoding: set by user. - * - decoding: unused. - */ - int use_lpc; - - /** - * LPC coefficient precision - used by FLAC encoder - * - encoding: set by user. - * - decoding: unused. - */ - int lpc_coeff_precision; - - /** - * - encoding: set by user. - * - decoding: unused. - */ - int min_prediction_order; - - /** - * - encoding: set by user. - * - decoding: unused. - */ - int max_prediction_order; - - /** - * search method for selecting prediction order - * - encoding: set by user. - * - decoding: unused. - */ - int prediction_order_method; - - /** - * - encoding: set by user. - * - decoding: unused. - */ - int min_partition_order; - - /** - * - encoding: set by user. - * - decoding: unused. - */ - int max_partition_order; - - /** - * GOP timecode frame start number, in non drop frame format - * - encoding: set by user. - * - decoding: unused. - */ - int64_t timecode_frame_start; -} AVCodecContext; - -/** - * AVCodec. - */ -typedef struct AVCodec { - const char *name; - enum CodecType type; - enum CodecID id; - int priv_data_size; - int (*init)(AVCodecContext *); - int (*encode)(AVCodecContext *, uint8_t *buf, int buf_size, void *data); - int (*close)(AVCodecContext *); - int (*decode)(AVCodecContext *, void *outdata, int *outdata_size, - uint8_t *buf, int buf_size); - int capabilities; - struct AVCodec *next; - void (*flush)(AVCodecContext *); - const AVRational *supported_framerates; ///array of supported framerates, or NULL if any, array is terminated by {0,0} - const enum PixelFormat *pix_fmts; ///array of supported pixel formats, or NULL if unknown, array is terminanted by -1 -} AVCodec; - -/** - * four components are given, that's all. - * the last component is alpha - */ -typedef struct AVPicture { - uint8_t *data[4]; - int linesize[4]; ///< number of bytes per line -} AVPicture; - -/** - * AVPaletteControl - * This structure defines a method for communicating palette changes - * between and demuxer and a decoder. - * this is totally broken, palette changes should be sent as AVPackets - */ -#define AVPALETTE_SIZE 1024 -#define AVPALETTE_COUNT 256 -typedef struct AVPaletteControl { - - /* demuxer sets this to 1 to indicate the palette has changed; - * decoder resets to 0 */ - int palette_changed; - - /* 4-byte ARGB palette entries, stored in native byte order; note that - * the individual palette components should be on a 8-bit scale; if - * the palette data comes from a IBM VGA native format, the component - * data is probably 6 bits in size and needs to be scaled */ - unsigned int palette[AVPALETTE_COUNT]; - -} AVPaletteControl attribute_deprecated; - -typedef struct AVSubtitleRect { - uint16_t x; - uint16_t y; - uint16_t w; - uint16_t h; - uint16_t nb_colors; - int linesize; - uint32_t *rgba_palette; - uint8_t *bitmap; -} AVSubtitleRect; - -typedef struct AVSubtitle { - uint16_t format; /* 0 = graphics */ - uint32_t start_display_time; /* relative to packet pts, in ms */ - uint32_t end_display_time; /* relative to packet pts, in ms */ - uint32_t num_rects; - AVSubtitleRect *rects; -} AVSubtitle; - -extern AVCodec ac3_encoder; -extern AVCodec amr_nb_encoder; -extern AVCodec amr_wb_encoder; -extern AVCodec asv1_encoder; -extern AVCodec asv2_encoder; -extern AVCodec dvvideo_encoder; -extern AVCodec faac_encoder; -extern AVCodec ffv1_encoder; -extern AVCodec ffvhuff_encoder; -extern AVCodec flac_encoder; -extern AVCodec flashsv_encoder; -extern AVCodec flv_encoder; -extern AVCodec gif_encoder; -extern AVCodec h261_encoder; -extern AVCodec h263_encoder; -extern AVCodec h263p_encoder; -extern AVCodec h264_encoder; -extern AVCodec huffyuv_encoder; -extern AVCodec jpegls_encoder; -extern AVCodec libgsm_encoder; -extern AVCodec libtheora_encoder; -extern AVCodec ljpeg_encoder; -extern AVCodec mdec_encoder; -extern AVCodec mjpeg_encoder; -extern AVCodec mp2_encoder; -extern AVCodec mp3lame_encoder; -extern AVCodec mpeg1video_encoder; -extern AVCodec mpeg2video_encoder; -extern AVCodec mpeg4_encoder; -extern AVCodec msmpeg4v1_encoder; -extern AVCodec msmpeg4v2_encoder; -extern AVCodec msmpeg4v3_encoder; -extern AVCodec oggvorbis_encoder; -extern AVCodec pam_encoder; -extern AVCodec pbm_encoder; -extern AVCodec pgm_encoder; -extern AVCodec pgmyuv_encoder; -extern AVCodec png_encoder; -extern AVCodec ppm_encoder; -extern AVCodec rv10_encoder; -extern AVCodec rv20_encoder; -extern AVCodec snow_encoder; -extern AVCodec sonic_encoder; -extern AVCodec sonic_ls_encoder; -extern AVCodec svq1_encoder; -extern AVCodec vcr1_encoder; -extern AVCodec vorbis_encoder; -extern AVCodec wmv1_encoder; -extern AVCodec wmv2_encoder; -extern AVCodec x264_encoder; -extern AVCodec xvid_encoder; -extern AVCodec zlib_encoder; -extern AVCodec zmbv_encoder; - -extern AVCodec aac_decoder; -extern AVCodec aasc_decoder; -extern AVCodec alac_decoder; -extern AVCodec amr_nb_decoder; -extern AVCodec amr_wb_decoder; -extern AVCodec asv1_decoder; -extern AVCodec asv2_decoder; -extern AVCodec avs_decoder; -extern AVCodec bmp_decoder; -extern AVCodec cavs_decoder; -extern AVCodec cinepak_decoder; -extern AVCodec cljr_decoder; -extern AVCodec cook_decoder; -extern AVCodec cscd_decoder; -extern AVCodec cyuv_decoder; -extern AVCodec dsicinaudio_decoder; -extern AVCodec dsicinvideo_decoder; -extern AVCodec dvvideo_decoder; -extern AVCodec eightbps_decoder; -extern AVCodec ffv1_decoder; -extern AVCodec ffvhuff_decoder; -extern AVCodec flac_decoder; -extern AVCodec flashsv_decoder; -extern AVCodec flic_decoder; -extern AVCodec flv_decoder; -extern AVCodec fourxm_decoder; -extern AVCodec fraps_decoder; -extern AVCodec gif_decoder; -extern AVCodec h261_decoder; -extern AVCodec h263_decoder; -extern AVCodec h263i_decoder; -extern AVCodec h264_decoder; -extern AVCodec huffyuv_decoder; -extern AVCodec idcin_decoder; -extern AVCodec imc_decoder; -extern AVCodec indeo2_decoder; -extern AVCodec indeo3_decoder; -extern AVCodec interplay_dpcm_decoder; -extern AVCodec interplay_video_decoder; -extern AVCodec kmvc_decoder; -extern AVCodec libgsm_decoder; -extern AVCodec loco_decoder; -extern AVCodec mace3_decoder; -extern AVCodec mace6_decoder; -extern AVCodec mdec_decoder; -extern AVCodec mjpeg_decoder; -extern AVCodec mjpegb_decoder; -extern AVCodec mmvideo_decoder; -extern AVCodec mp2_decoder; -extern AVCodec mp3_decoder; -extern AVCodec mp3adu_decoder; -extern AVCodec mp3on4_decoder; -extern AVCodec mpc7_decoder; -extern AVCodec mpeg1video_decoder; -extern AVCodec mpeg2video_decoder; -extern AVCodec mpeg4_decoder; -extern AVCodec mpeg4aac_decoder; -extern AVCodec mpeg_xvmc_decoder; -extern AVCodec mpegvideo_decoder; -extern AVCodec msmpeg4v1_decoder; -extern AVCodec msmpeg4v2_decoder; -extern AVCodec msmpeg4v3_decoder; -extern AVCodec msrle_decoder; -extern AVCodec msvideo1_decoder; -extern AVCodec mszh_decoder; -extern AVCodec nuv_decoder; -extern AVCodec oggvorbis_decoder; -extern AVCodec png_decoder; -extern AVCodec qdm2_decoder; -extern AVCodec qdraw_decoder; -extern AVCodec qpeg_decoder; -extern AVCodec qtrle_decoder; -extern AVCodec ra_144_decoder; -extern AVCodec ra_288_decoder; -extern AVCodec roq_decoder; -extern AVCodec roq_dpcm_decoder; -extern AVCodec rpza_decoder; -extern AVCodec rv10_decoder; -extern AVCodec rv20_decoder; -extern AVCodec rv30_decoder; -extern AVCodec rv40_decoder; -extern AVCodec shorten_decoder; -extern AVCodec smackaud_decoder; -extern AVCodec smacker_decoder; -extern AVCodec smc_decoder; -extern AVCodec snow_decoder; -extern AVCodec sol_dpcm_decoder; -extern AVCodec sonic_decoder; -extern AVCodec sp5x_decoder; -extern AVCodec svq1_decoder; -extern AVCodec svq3_decoder; -extern AVCodec targa_decoder; -extern AVCodec theora_decoder; -extern AVCodec tiertexseqvideo_decoder; -extern AVCodec tiff_decoder; -extern AVCodec truemotion1_decoder; -extern AVCodec truemotion2_decoder; -extern AVCodec truespeech_decoder; -extern AVCodec tscc_decoder; -extern AVCodec tta_decoder; -extern AVCodec ulti_decoder; -extern AVCodec vc1_decoder; -extern AVCodec vcr1_decoder; -extern AVCodec vmdaudio_decoder; -extern AVCodec vmdvideo_decoder; -extern AVCodec vmnc_decoder; -extern AVCodec vorbis_decoder; -extern AVCodec vp3_decoder; -extern AVCodec vp5_decoder; -extern AVCodec vp6_decoder; -extern AVCodec vp6f_decoder; -extern AVCodec vqa_decoder; -extern AVCodec wavpack_decoder; -extern AVCodec wmav1_decoder; -extern AVCodec wmav2_decoder; -extern AVCodec wmv1_decoder; -extern AVCodec wmv2_decoder; -extern AVCodec wmv3_decoder; -extern AVCodec wnv1_decoder; -extern AVCodec ws_snd1_decoder; -extern AVCodec xan_dpcm_decoder; -extern AVCodec xan_wc3_decoder; -extern AVCodec xl_decoder; -extern AVCodec zlib_decoder; -extern AVCodec zmbv_decoder; - -/* pcm codecs */ -#define PCM_CODEC(id, name) \ -extern AVCodec name ## _decoder; \ -extern AVCodec name ## _encoder - -PCM_CODEC(CODEC_ID_PCM_ALAW, pcm_alaw); -PCM_CODEC(CODEC_ID_PCM_MULAW, pcm_mulaw); -PCM_CODEC(CODEC_ID_PCM_S8, pcm_s8); -PCM_CODEC(CODEC_ID_PCM_S16BE, pcm_s16be); -PCM_CODEC(CODEC_ID_PCM_S16LE, pcm_s16le); -PCM_CODEC(CODEC_ID_PCM_S24BE, pcm_s24be); -PCM_CODEC(CODEC_ID_PCM_S24DAUD, pcm_s24daud); -PCM_CODEC(CODEC_ID_PCM_S24LE, pcm_s24le); -PCM_CODEC(CODEC_ID_PCM_S32BE, pcm_s32be); -PCM_CODEC(CODEC_ID_PCM_S32LE, pcm_s32le); -PCM_CODEC(CODEC_ID_PCM_U8, pcm_u8); -PCM_CODEC(CODEC_ID_PCM_U16BE, pcm_u16be); -PCM_CODEC(CODEC_ID_PCM_U16LE, pcm_u16le); -PCM_CODEC(CODEC_ID_PCM_U24BE, pcm_u24be); -PCM_CODEC(CODEC_ID_PCM_U24LE, pcm_u24le); -PCM_CODEC(CODEC_ID_PCM_U32BE, pcm_u32be); -PCM_CODEC(CODEC_ID_PCM_U32LE, pcm_u32le); - -/* adpcm codecs */ - -PCM_CODEC(CODEC_ID_ADPCM_4XM, adpcm_4xm); -PCM_CODEC(CODEC_ID_ADPCM_ADX, adpcm_adx); -PCM_CODEC(CODEC_ID_ADPCM_CT, adpcm_ct); -PCM_CODEC(CODEC_ID_ADPCM_EA, adpcm_ea); -PCM_CODEC(CODEC_ID_ADPCM_G726, adpcm_g726); -PCM_CODEC(CODEC_ID_ADPCM_IMA_DK3, adpcm_ima_dk3); -PCM_CODEC(CODEC_ID_ADPCM_IMA_DK4, adpcm_ima_dk4); -PCM_CODEC(CODEC_ID_ADPCM_IMA_QT, adpcm_ima_qt); -PCM_CODEC(CODEC_ID_ADPCM_IMA_WAV, adpcm_ima_wav); -PCM_CODEC(CODEC_ID_ADPCM_IMA_WS, adpcm_ima_ws); -PCM_CODEC(CODEC_ID_ADPCM_MS, adpcm_ms); -PCM_CODEC(CODEC_ID_ADPCM_SBPRO_2, adpcm_sbpro_2); -PCM_CODEC(CODEC_ID_ADPCM_SBPRO_3, adpcm_sbpro_3); -PCM_CODEC(CODEC_ID_ADPCM_SBPRO_4, adpcm_sbpro_4); -PCM_CODEC(CODEC_ID_ADPCM_SMJPEG, adpcm_ima_smjpeg); -PCM_CODEC(CODEC_ID_ADPCM_SWF, adpcm_swf); -PCM_CODEC(CODEC_ID_ADPCM_XA, adpcm_xa); -PCM_CODEC(CODEC_ID_ADPCM_YAMAHA, adpcm_yamaha); - -#undef PCM_CODEC - -/* dummy raw video codec */ -extern AVCodec rawvideo_decoder; -extern AVCodec rawvideo_encoder; - -/* the following codecs use external GPL libs */ -extern AVCodec ac3_decoder; -extern AVCodec dts_decoder; - -/* subtitles */ -extern AVCodec dvbsub_decoder; -extern AVCodec dvbsub_encoder; -extern AVCodec dvdsub_decoder; -extern AVCodec dvdsub_encoder; - -/* resample.c */ - -struct ReSampleContext; -struct AVResampleContext; - -typedef struct ReSampleContext ReSampleContext; - -ReSampleContext *audio_resample_init(int output_channels, int input_channels, - int output_rate, int input_rate); -int audio_resample(ReSampleContext *s, short *output, short *input, int nb_samples); -void audio_resample_close(ReSampleContext *s); - -struct AVResampleContext *av_resample_init(int out_rate, int in_rate, int filter_length, int log2_phase_count, int linear, double cutoff); -int av_resample(struct AVResampleContext *c, short *dst, short *src, int *consumed, int src_size, int dst_size, int update_ctx); -void av_resample_compensate(struct AVResampleContext *c, int sample_delta, int compensation_distance); -void av_resample_close(struct AVResampleContext *c); - -/* YUV420 format is assumed ! */ - -struct ImgReSampleContext; - -typedef struct ImgReSampleContext ImgReSampleContext; - -ImgReSampleContext *img_resample_init(int output_width, int output_height, - int input_width, int input_height); - -ImgReSampleContext *img_resample_full_init(int owidth, int oheight, - int iwidth, int iheight, - int topBand, int bottomBand, - int leftBand, int rightBand, - int padtop, int padbottom, - int padleft, int padright); - - -void img_resample(ImgReSampleContext *s, - AVPicture *output, const AVPicture *input); - -void img_resample_close(ImgReSampleContext *s); - -/** - * Allocate memory for a picture. Call avpicture_free to free it. - * - * @param picture the picture to be filled in. - * @param pix_fmt the format of the picture. - * @param width the width of the picture. - * @param height the height of the picture. - * @return 0 if successful, -1 if not. - */ -int avpicture_alloc(AVPicture *picture, int pix_fmt, int width, int height); - -/* Free a picture previously allocated by avpicture_alloc. */ -void avpicture_free(AVPicture *picture); - -int avpicture_fill(AVPicture *picture, uint8_t *ptr, - int pix_fmt, int width, int height); -int avpicture_layout(const AVPicture* src, int pix_fmt, int width, int height, - unsigned char *dest, int dest_size); -int avpicture_get_size(int pix_fmt, int width, int height); -void avcodec_get_chroma_sub_sample(int pix_fmt, int *h_shift, int *v_shift); -const char *avcodec_get_pix_fmt_name(int pix_fmt); -void avcodec_set_dimensions(AVCodecContext *s, int width, int height); -enum PixelFormat avcodec_get_pix_fmt(const char* name); -unsigned int avcodec_pix_fmt_to_codec_tag(enum PixelFormat p); - -#define FF_LOSS_RESOLUTION 0x0001 /* loss due to resolution change */ -#define FF_LOSS_DEPTH 0x0002 /* loss due to color depth change */ -#define FF_LOSS_COLORSPACE 0x0004 /* loss due to color space conversion */ -#define FF_LOSS_ALPHA 0x0008 /* loss of alpha bits */ -#define FF_LOSS_COLORQUANT 0x0010 /* loss due to color quantization */ -#define FF_LOSS_CHROMA 0x0020 /* loss of chroma (e.g. rgb to gray conversion) */ - -int avcodec_get_pix_fmt_loss(int dst_pix_fmt, int src_pix_fmt, - int has_alpha); -int avcodec_find_best_pix_fmt(int pix_fmt_mask, int src_pix_fmt, - int has_alpha, int *loss_ptr); - -#define FF_ALPHA_TRANSP 0x0001 /* image has some totally transparent pixels */ -#define FF_ALPHA_SEMI_TRANSP 0x0002 /* image has some transparent pixels */ -int img_get_alpha_info(const AVPicture *src, - int pix_fmt, int width, int height); - -/* convert among pixel formats */ -int img_convert(AVPicture *dst, int dst_pix_fmt, - const AVPicture *src, int pix_fmt, - int width, int height); - -/* deinterlace a picture */ -int avpicture_deinterlace(AVPicture *dst, const AVPicture *src, - int pix_fmt, int width, int height); - -/* external high level API */ - -extern AVCodec *first_avcodec; - -/* returns LIBAVCODEC_VERSION_INT constant */ -unsigned avcodec_version(void); -/* returns LIBAVCODEC_BUILD constant */ -unsigned avcodec_build(void); -void avcodec_init(void); - -void register_avcodec(AVCodec *format); -AVCodec *avcodec_find_encoder(enum CodecID id); -AVCodec *avcodec_find_encoder_by_name(const char *name); -AVCodec *avcodec_find_decoder(enum CodecID id); -AVCodec *avcodec_find_decoder_by_name(const char *name); -void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode); - -void avcodec_get_context_defaults(AVCodecContext *s); -AVCodecContext *avcodec_alloc_context(void); -void avcodec_get_frame_defaults(AVFrame *pic); -AVFrame *avcodec_alloc_frame(void); - -int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic); -void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic); -int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic); -void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height); -int avcodec_check_dimensions(void *av_log_ctx, unsigned int w, unsigned int h); -enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum PixelFormat * fmt); - -int avcodec_thread_init(AVCodecContext *s, int thread_count); -void avcodec_thread_free(AVCodecContext *s); -int avcodec_thread_execute(AVCodecContext *s, int (*func)(AVCodecContext *c2, void *arg2),void **arg, int *ret, int count); -int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2),void **arg, int *ret, int count); -//FIXME func typedef - -/** - * opens / inits the AVCodecContext. - * not thread save! - */ -int avcodec_open(AVCodecContext *avctx, AVCodec *codec); - - -attribute_deprecated int avcodec_decode_audio(AVCodecContext *avctx, int16_t *samples, - int *frame_size_ptr, - uint8_t *buf, int buf_size); -/** - * Decode an audio frame. - * - * @param avctx the codec context. - * @param samples output buffer, 16 byte aligned - * @param frame_size_ptr the output buffer size in bytes (you MUST set this to the allocated size before calling avcodec_decode_audio2()), zero if no frame could be compressed - * @param buf input buffer, 16 byte aligned - * @param buf_size the input buffer size - * @return 0 if successful, -1 if not. - */ -int avcodec_decode_audio2(AVCodecContext *avctx, int16_t *samples, - int *frame_size_ptr, - uint8_t *buf, int buf_size); -int avcodec_decode_video(AVCodecContext *avctx, AVFrame *picture, - int *got_picture_ptr, - uint8_t *buf, int buf_size); -int avcodec_decode_subtitle(AVCodecContext *avctx, AVSubtitle *sub, - int *got_sub_ptr, - const uint8_t *buf, int buf_size); -int avcodec_parse_frame(AVCodecContext *avctx, uint8_t **pdata, - int *data_size_ptr, - uint8_t *buf, int buf_size); -int avcodec_encode_audio(AVCodecContext *avctx, uint8_t *buf, int buf_size, - const short *samples); -int avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf, int buf_size, - const AVFrame *pict); -int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size, - const AVSubtitle *sub); - -int avcodec_close(AVCodecContext *avctx); - -void avcodec_register_all(void); - -void avcodec_flush_buffers(AVCodecContext *avctx); - -void avcodec_default_free_buffers(AVCodecContext *s); - -/* misc usefull functions */ - -/** - * returns a single letter to describe the picture type - */ -char av_get_pict_type_char(int pict_type); - -/** - * returns codec bits per sample - */ -int av_get_bits_per_sample(enum CodecID codec_id); - -/* frame parsing */ -typedef struct AVCodecParserContext { - void *priv_data; - struct AVCodecParser *parser; - int64_t frame_offset; /* offset of the current frame */ - int64_t cur_offset; /* current offset - (incremented by each av_parser_parse()) */ - int64_t last_frame_offset; /* offset of the last frame */ - /* video info */ - int pict_type; /* XXX: put it back in AVCodecContext */ - int repeat_pict; /* XXX: put it back in AVCodecContext */ - int64_t pts; /* pts of the current frame */ - int64_t dts; /* dts of the current frame */ - - /* private data */ - int64_t last_pts; - int64_t last_dts; - int fetch_timestamp; - -#define AV_PARSER_PTS_NB 4 - int cur_frame_start_index; - int64_t cur_frame_offset[AV_PARSER_PTS_NB]; - int64_t cur_frame_pts[AV_PARSER_PTS_NB]; - int64_t cur_frame_dts[AV_PARSER_PTS_NB]; - - int flags; -#define PARSER_FLAG_COMPLETE_FRAMES 0x0001 -} AVCodecParserContext; - -typedef struct AVCodecParser { - int codec_ids[5]; /* several codec IDs are permitted */ - int priv_data_size; - int (*parser_init)(AVCodecParserContext *s); - int (*parser_parse)(AVCodecParserContext *s, - AVCodecContext *avctx, - uint8_t **poutbuf, int *poutbuf_size, - const uint8_t *buf, int buf_size); - void (*parser_close)(AVCodecParserContext *s); - int (*split)(AVCodecContext *avctx, const uint8_t *buf, int buf_size); - struct AVCodecParser *next; -} AVCodecParser; - -extern AVCodecParser *av_first_parser; - -void av_register_codec_parser(AVCodecParser *parser); -AVCodecParserContext *av_parser_init(int codec_id); -int av_parser_parse(AVCodecParserContext *s, - AVCodecContext *avctx, - uint8_t **poutbuf, int *poutbuf_size, - const uint8_t *buf, int buf_size, - int64_t pts, int64_t dts); -int av_parser_change(AVCodecParserContext *s, - AVCodecContext *avctx, - uint8_t **poutbuf, int *poutbuf_size, - const uint8_t *buf, int buf_size, int keyframe); -void av_parser_close(AVCodecParserContext *s); - -extern AVCodecParser aac_parser; -extern AVCodecParser ac3_parser; -extern AVCodecParser cavsvideo_parser; -extern AVCodecParser dvbsub_parser; -extern AVCodecParser dvdsub_parser; -extern AVCodecParser h261_parser; -extern AVCodecParser h263_parser; -extern AVCodecParser h264_parser; -extern AVCodecParser mjpeg_parser; -extern AVCodecParser mpeg4video_parser; -extern AVCodecParser mpegaudio_parser; -extern AVCodecParser mpegvideo_parser; -extern AVCodecParser pnm_parser; - - -typedef struct AVBitStreamFilterContext { - void *priv_data; - struct AVBitStreamFilter *filter; - AVCodecParserContext *parser; - struct AVBitStreamFilterContext *next; -} AVBitStreamFilterContext; - - -typedef struct AVBitStreamFilter { - const char *name; - int priv_data_size; - int (*filter)(AVBitStreamFilterContext *bsfc, - AVCodecContext *avctx, const char *args, - uint8_t **poutbuf, int *poutbuf_size, - const uint8_t *buf, int buf_size, int keyframe); - struct AVBitStreamFilter *next; -} AVBitStreamFilter; - -extern AVBitStreamFilter *av_first_bitstream_filter; - -void av_register_bitstream_filter(AVBitStreamFilter *bsf); -AVBitStreamFilterContext *av_bitstream_filter_init(const char *name); -int av_bitstream_filter_filter(AVBitStreamFilterContext *bsfc, - AVCodecContext *avctx, const char *args, - uint8_t **poutbuf, int *poutbuf_size, - const uint8_t *buf, int buf_size, int keyframe); -void av_bitstream_filter_close(AVBitStreamFilterContext *bsf); - -extern AVBitStreamFilter dump_extradata_bsf; -extern AVBitStreamFilter remove_extradata_bsf; -extern AVBitStreamFilter noise_bsf; -extern AVBitStreamFilter mp3_header_compress_bsf; -extern AVBitStreamFilter mp3_header_decompress_bsf; -extern AVBitStreamFilter mjpega_dump_header_bsf; - - -/* memory */ -void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size); -/* for static data only */ -/* call av_free_static to release all staticaly allocated tables */ -void av_free_static(void); -void *av_mallocz_static(unsigned int size); -void *av_realloc_static(void *ptr, unsigned int size); - -void img_copy(AVPicture *dst, const AVPicture *src, - int pix_fmt, int width, int height); - -int img_crop(AVPicture *dst, const AVPicture *src, - int pix_fmt, int top_band, int left_band); - -int img_pad(AVPicture *dst, const AVPicture *src, int height, int width, int pix_fmt, - int padtop, int padbottom, int padleft, int padright, int *color); - -extern unsigned int av_xiphlacing(unsigned char *s, unsigned int v); - -/* unused static macro */ -#if defined(__GNUC__) && !defined(DEBUG) -/* since we do not compile the encoder part of ffmpeg, some static - * functions will be unused; this is ok, the compiler will take care */ -# define static static __attribute__((__unused__)) -#endif - -#ifdef __cplusplus -} -#endif - -#endif /* AVCODEC_H */ |