#ifndef AVCODEC_H#define AVCODEC_H/** * @file avcodec.h * external api header. */#ifdef __cplusplusextern "C" {#endif#include "common.h"#include "rational.h"#ifndef WINCE //sys/types.h
//#include <sys/types.h> /* size_t */
#endif#define FFMPEG_VERSION_INT     0x000408#define FFMPEG_VERSION         "0.4.8"#define LIBAVCODEC_BUILD       4708#define LIBAVCODEC_VERSION_INT FFMPEG_VERSION_INT#define LIBAVCODEC_VERSION     FFMPEG_VERSION#define AV_STRINGIFY(s)	AV_TOSTRING(s)#define AV_TOSTRING(s) #s#define LIBAVCODEC_IDENT	"FFmpeg" LIBAVCODEC_VERSION "b" AV_STRINGIFY(LIBAVCODEC_BUILD)#define AV_NOPTS_VALUE int64_t_C(0x8000000000000000)#define AV_TIME_BASE 1000000enum 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_H263,    CODEC_ID_RV10,    CODEC_ID_RV20,    CODEC_ID_MP2,    CODEC_ID_MP3, /* prefered ID for MPEG Audio layer 1, 2 or3 decoding */    CODEC_ID_VORBIS,    CODEC_ID_AC3,    CODEC_ID_MJPEG,    CODEC_ID_MJPEGB,    CODEC_ID_LJPEG,    CODEC_ID_SP5X,    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_DVAUDIO,    CODEC_ID_WMAV1,    CODEC_ID_WMAV2,    CODEC_ID_MACE3,    CODEC_ID_MACE6,    CODEC_ID_HUFFYUV,    CODEC_ID_CYUV,    CODEC_ID_H264,    CODEC_ID_INDEO3,    CODEC_ID_VP3,    CODEC_ID_THEORA,    CODEC_ID_AAC,    CODEC_ID_MPEG4AAC,    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_VMDAUDIO,    CODEC_ID_MSZH,    CODEC_ID_ZLIB,    CODEC_ID_QTRLE,    /* various pcm "codecs" */    CODEC_ID_PCM_S16LE,    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,    /* various adpcm codecs */    CODEC_ID_ADPCM_IMA_QT,    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,	/* AMR */    CODEC_ID_AMR_NB,    CODEC_ID_AMR_WB,    /* RealAudio codecs*/    CODEC_ID_RA_144,    CODEC_ID_RA_288,    /* various DPCM codecs */    CODEC_ID_ROQ_DPCM,    CODEC_ID_INTERPLAY_DPCM,    CODEC_ID_XAN_DPCM,        CODEC_ID_FLAC,        CODEC_ID_MPEG2TS, /* _FAKE_ codec to indicate a raw MPEG2 transport                         stream (only used by libavformat) */};/* CODEC_ID_MP3LAME is absolete */#define CODEC_ID_MP3LAME CODEC_ID_MP3enum CodecType {    CODEC_TYPE_UNKNOWN = -1,    CODEC_TYPE_VIDEO,    CODEC_TYPE_AUDIO,    CODEC_TYPE_DATA,};/** * Pixel format. Notes:  * * PIX_FMT_RGBA32 is handled in an endian-specific manner. A RGBA * color is put together as: *  (A << 24) | (R << 16) | (G << 8) | B * This is stored as BGRA on little endian CPU architectures and ARGB on * big endian CPUs. * * When the pixel format is palettized RGB (PIX_FMT_PAL8), the palettized * image data is stored in AVFrame.data[0]. The palette is transported in * AVFrame.data[1] and, is 1024 bytes long (256 4-byte entries) and is * formatted the same as in PIX_FMT_RGBA32 described above (i.e., it is * also endian-specific). Note also that the individual RGB palette * components stored in AVFrame.data[1] should be in the range 0..255. * This is important as many custom PAL8 video codecs that were designed * to run on the IBM VGA graphics adapter use 6-bit palette components. */enum PixelFormat {    PIX_FMT_YUV420P,   ///< Planar YUV 4:2:0 (1 Cr & Cb sample per 2x2 Y samples)    PIX_FMT_YUV422,        PIX_FMT_RGB24,     ///< Packed pixel, 3 bytes per pixel, RGBRGB...    PIX_FMT_BGR24,     ///< Packed pixel, 3 bytes per pixel, BGRBGR...    PIX_FMT_YUV422P,   ///< Planar YUV 4:2:2 (1 Cr & Cb sample per 2x1 Y samples)    PIX_FMT_YUV444P,   ///< Planar YUV 4:4:4 (1 Cr & Cb sample per 1x1 Y samples)    PIX_FMT_RGBA32,    ///< Packed pixel, 4 bytes per pixel, BGRABGRA..., stored in cpu endianness    PIX_FMT_YUV410P,   ///< Planar YUV 4:1:0 (1 Cr & Cb sample per 4x4 Y samples)    PIX_FMT_YUV411P,   ///< Planar YUV 4:1:1 (1 Cr & Cb sample per 4x1 Y samples)    PIX_FMT_RGB565,    ///< always stored in cpu endianness     PIX_FMT_RGB555,    ///< always stored in cpu endianness, most significant bit to 1     PIX_FMT_GRAY8,    PIX_FMT_MONOWHITE, ///< 0 is white     PIX_FMT_MONOBLACK, ///< 0 is black     PIX_FMT_PAL8,      ///< 8 bit with RGBA palette     PIX_FMT_YUVJ420P,  ///< Planar YUV 4:2:0 full scale (jpeg)    PIX_FMT_YUVJ422P,  ///< Planar YUV 4:2:2 full scale (jpeg)    PIX_FMT_YUVJ444P,  ///< Planar YUV 4:4:4 full scale (jpeg)    PIX_FMT_XVMC_MPEG2_MC,///< XVideo Motion Acceleration via common packet passing(xvmc_render.h)    PIX_FMT_XVMC_MPEG2_IDCT,    PIX_FMT_NB,};/* currently unused, may be used if 24/32 bits samples ever supported */enum SampleFormat {    SAMPLE_FMT_S16 = 0,         ///< signed 16 bits };/* in bytes */#define AVCODEC_MAX_AUDIO_FRAME_SIZE 131072/** * 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/* motion estimation type, EPZS by default */enum Motion_Est_ID {    ME_ZERO = 1,    ME_FULL,    ME_LOG,    ME_PHODS,    ME_EPZS,    ME_X1};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;/* only for ME compatiblity with old apps */extern int motion_estimation_method;#define FF_MAX_B_FRAMES 8/* encoding support   these flags can be passed in AVCodecContext.flags before initing    Note: 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///< dont 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     0x80000000/* 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//the following defines might change, so dont expect compatibility if u 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 isnt 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 AV_TIME_BASE (=micro seconds currently) (time when frame should be shown to user)\     * if AV_NOPTS_VALUE then the frame_rate will be used as reference\     * - 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;\    /**\