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#ifndef AVCODEC_H
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#define AVCODEC_H
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#include "common.h"
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#define LIBAVCODEC_VERSION_INT 0x000406
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#define LIBAVCODEC_VERSION     "0.4.6"
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#define LIBAVCODEC_BUILD       4632
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#define LIBAVCODEC_BUILD_STR   "4632"
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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_H263,
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    CODEC_ID_RV10,
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    CODEC_ID_MP2,
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    CODEC_ID_MP3LAME,
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    CODEC_ID_VORBIS,
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    CODEC_ID_AC3,
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    CODEC_ID_MJPEG,
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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_SVQ1,
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    CODEC_ID_DVVIDEO,
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    CODEC_ID_DVAUDIO,
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    /* various pcm "codecs" */
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    CODEC_ID_PCM_S16LE,
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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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    /* various adpcm codecs */
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    CODEC_ID_ADPCM_IMA_QT,
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    CODEC_ID_ADPCM_IMA_WAV,
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    CODEC_ID_ADPCM_MS,
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};
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#define CODEC_ID_MSMPEG4 CODEC_ID_MSMPEG4V3
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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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};
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enum PixelFormat {
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    PIX_FMT_ANY = -1,
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    PIX_FMT_YUV420P,
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    PIX_FMT_YUV422,
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    PIX_FMT_RGB24,
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    PIX_FMT_BGR24,
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    PIX_FMT_YUV422P,
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    PIX_FMT_YUV444P,
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    PIX_FMT_RGBA32,
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    PIX_FMT_BGRA32,
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    PIX_FMT_YUV410P,
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    PIX_FMT_YUV411P
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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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};
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/* in bytes */
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#define AVCODEC_MAX_AUDIO_FRAME_SIZE 18432
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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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};
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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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/* ME algos sorted by quality */
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static const int Motion_Est_QTab[] = { ME_ZERO, ME_PHODS, ME_LOG, 
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                                       ME_X1, ME_EPZS, ME_FULL };
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#define FF_MAX_B_FRAMES 4
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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: note not everything is supported yet 
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*/
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#define CODEC_FLAG_HQ     0x0001  /* brute force MB-type decission mode (slow) */
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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 */
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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_TYPE   0x0040  /* fixed I/P frame type, from avctx->key_frame */
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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/* dont draw edges */
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#define CODEC_FLAG_DR1    0x8000  /* direct renderig type 1 (store internal frames in external buffers) */
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#define CODEC_FLAG_NOT_TRUNCATED  0x00010000 /* input bitstream is not truncated, except before a startcode 
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                                                allows the last part of a frame to be decoded earlier */
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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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/* codec capabilities */
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#define CODEC_CAP_DRAW_HORIZ_BAND 0x0001 /* decoder can use draw_horiz_band callback */
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#define CODEC_CAP_DR1             0x0002 /* direct rendering method 1 */
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/* if 'parse_only' field is true, then avcodec_parse_frame() can be
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   used */
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#define CODEC_CAP_PARSE_ONLY      0x0004
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#define FRAME_RATE_BASE 10000
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typedef struct AVCodecContext {
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    /**
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     * the average bitrate
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     * encoding: set by user. unused for constant quantizer encoding
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     * decoding: set by lavc. 0 or some bitrate if this info is available in the stream 
147
     */
148
    int bit_rate;
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    /**
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     * number of bits the bitstream is allowed to diverge from the reference
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     *           the reference can be CBR (for CBR pass1) or VBR (for pass2)
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     * encoding: set by user. unused for constant quantizer encoding
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     * decoding: unused
155
     */
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    int bit_rate_tolerance; 
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    /**
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     * CODEC_FLAG_*
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     * encoding: set by user.
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     * decoding: set by user.
162
     */
163
    int flags;
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    /**
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     * some codecs needs additionnal format info. It is stored here
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     * encoding: set by user. 
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     * decoding: set by lavc. (FIXME is this ok?)
169
     */
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    int sub_id;
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    /**
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     * motion estimation algorithm used for video coding
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     * encoding: set by user.
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     * decoding: unused
176
     */
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    int me_method;
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    /**
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     * some codecs need / can use extra-data like huffman tables
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     * mjpeg: huffman tables
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     * rv10: additional flags
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     * mpeg4: global headers (they can be in the bitstream or here)
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     * encoding: set/allocated/freed by lavc.
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     * decoding: set/allocated/freed by user.
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     */
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    void *extradata;
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    int extradata_size;
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    /* video only */
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    /**
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     * frames per sec multiplied by FRAME_RATE_BASE
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     * for variable fps this is the precission, so if the timestamps 
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     * can be specified in msec precssion then this is 1000*FRAME_RATE_BASE
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     * encoding: set by user
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     * decoding: set by lavc. 0 or the frame_rate if available
197
     */
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    int frame_rate;
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    /**
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     * encoding: set by user.
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     * decoding: set by user, some codecs might override / change it during playback
203
     */
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    int width, height;
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    /**
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     * encoding: set by user. 0 if not known
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     * decoding: set by lavc. 0 if not known
209
     */
210
    int aspect_ratio_info;
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#define FF_ASPECT_SQUARE 1
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#define FF_ASPECT_4_3_625 2
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#define FF_ASPECT_4_3_525 3
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#define FF_ASPECT_16_9_625 4
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#define FF_ASPECT_16_9_525 5
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#define FF_ASPECT_EXTENDED 15
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    /**
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     * the number of pictures in a group of pitures, or 0 for intra_only
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     * encoding: set by user.
221
     * decoding: unused
222
     */
223
    int gop_size;
224

    
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    /**
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     * pixel format, see PIX_FMT_xxx
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     * encoding: unused
228
     * decoding: set by lavc.
229
     */
230
    enum PixelFormat pix_fmt;
231
    
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    int repeat_pict; /* when decoding, this signal how much the picture */
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                     /* must be delayed.                                */
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                     /* extra_delay = (repeat_pict / 2) * (1/fps)       */
235
    
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    /**
237
     * if non NULL, 'draw_horiz_band' is called by the libavcodec
238
     * decoder to draw an horizontal band. It improve cache usage. Not
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     * all codecs can do that. You must check the codec capabilities
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     * before
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     * encoding: unused
242
     * decoding: set by user.
243
     */
244
    void (*draw_horiz_band)(struct AVCodecContext *s,
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                            UINT8 **src_ptr, int linesize,
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                            int y, int width, int height);
247

    
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    /* audio only */
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    int sample_rate; /* samples per sec */
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    int channels;
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    int sample_fmt;  /* sample format, currenly unused */
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253
    /* the following data should not be initialized */
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    int frame_size;     /* in samples, initialized when calling 'init' */
255
    int frame_number;   /* audio or video frame number */
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    int real_pict_num;  /* returns the real picture number of
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                           previous encoded frame */
258
                           
259
    /**
260
     * 1 -> keyframe, 0-> not
261
     * encoding: set by lavc (for the outputed bitstream, not the input frame)
262
     * decoding: set by lavc (for the decoded  bitstream, not the displayed frame)
263
     */
264
    int key_frame;
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    /**
267
     * picture type of the previous en/decoded frame, see ?_TYPE below
268
     * encoding: set by lavc (for the outputed bitstream, not the input frame)
269
     * decoding: set by lavc (for the decoded  bitstream, not the displayed frame)
270
     */
271
    int pict_type;
272
/* FIXME: these should have FF_ */
273
#define I_TYPE 1 // Intra
274
#define P_TYPE 2 // Predicted
275
#define B_TYPE 3 // Bi-dir predicted
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#define S_TYPE 4 // S(GMC)-VOP MPEG4
277

    
278
    /**
279
     * number of frames the decoded output will be delayed relative to 
280
     * the encoded input
281
     * encoding: set by lavc.
282
     * decoding: unused
283
     */
284
    int delay;
285

    
286
    /**
287
     * mbskip_table[mb]=1 if MB didnt change, is only valid for I/P frames 
288
     * stride= mb_width = (width+15)>>4 (FIXME export stride?)
289
     * encoding: unused
290
     * decoding: set by lavc
291
     */
292
    uint8_t *mbskip_table;
293
    
294
    /* encoding parameters */
295
    /**
296
     * quality (between 1 (good) and 31 (bad)) 
297
     * encoding: set by user if CODEC_FLAG_QSCALE is set otherwise set by lavc
298
     * decoding: set by lavc
299
     */
300
    int quality;      /* quality of the previous encoded frame 
301
                         
302
                         this is allso used to set the quality in vbr mode
303
                         and the per frame quality in CODEC_FLAG_TYPE (second pass mode) */
304
    float qcompress;  /* amount of qscale change between easy & hard scenes (0.0-1.0)*/
305
    float qblur;      /* amount of qscale smoothing over time (0.0-1.0) */
306
    
307
    /**
308
     * minimum quantizer
309
     * encoding: set by user.
310
     * decoding: unused
311
     */
312
    int qmin;
313

    
314
    /**
315
     * maximum quantizer
316
     * encoding: set by user.
317
     * decoding: unused
318
     */
319
    int qmax;
320

    
321
    /**
322
     * maximum quantizer difference etween frames
323
     * encoding: set by user.
324
     * decoding: unused
325
     */
326
    int max_qdiff;
327

    
328
    /**
329
     * maximum number of b frames between non b frames
330
     * note: the output will be delayed by max_b_frames+1 relative to the input
331
     * encoding: set by user.
332
     * decoding: unused
333
     */
334
    int max_b_frames;
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336
    /**
337
     * qscale factor between ip and b frames
338
     * encoding: set by user.
339
     * decoding: unused
340
     */
341
    float b_quant_factor;
342
    
343
    /** obsolete FIXME remove */
344
    int rc_strategy;
345
    int b_frame_strategy;
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    /**
348
     * encoding: unused
349
     * decoding: set by user. 1-> skip b frames, 2-> skip idct/dequant too
350
     */
351
    int hurry_up;
352
    
353
    struct AVCodec *codec;
354
    
355
    void *priv_data;
356

    
357
    /* The following data is for RTP friendly coding */
358
    /* By now only H.263/H.263+/MPEG4 coder honours this   */
359
    int rtp_mode;   /* 1 for activate RTP friendly-mode           */
360
                    /* highers numbers represent more error-prone */
361
                    /* enviroments, by now just "1" exist         */
362
    
363
    int rtp_payload_size;   /* The size of the RTP payload, the coder will  */
364
                            /* do it's best to deliver a chunk with size    */
365
                            /* below rtp_payload_size, the chunk will start */
366
                            /* with a start code on some codecs like H.263  */
367
                            /* This doesn't take account of any particular  */
368
                            /* headers inside the transmited RTP payload    */
369

    
370
    
371
    /* The RTP callcack: This function is called  */
372
    /* every time the encoder as a packet to send */
373
    /* Depends on the encoder if the data starts  */
374
    /* with a Start Code (it should) H.263 does   */
375
    void (*rtp_callback)(void *data, int size, int packet_number); 
376

    
377
    /**
378
     * if you set get_psnr to 1 then after encoding you will have the 
379
     * PSNR on psnr_y/cb/cr
380
     * encoding: set by user (1-> on, 0-> off)
381
     * decoding: unused
382
     */
383
    int get_psnr;
384
    float psnr_y;
385
    float psnr_cb;
386
    float psnr_cr;
387
    
388
    /* statistics, used for 2-pass encoding */
389
    int mv_bits;
390
    int header_bits;
391
    int i_tex_bits;
392
    int p_tex_bits;
393
    int i_count;
394
    int p_count;
395
    int skip_count;
396
    int misc_bits;
397
    
398
    /**
399
     * number of bits used for the previously encoded frame
400
     * encoding: set by lavc
401
     * decoding: unused
402
     */
403
    int frame_bits;
404
                 
405
    /**
406
     * private data of the user, can be used to carry app specific stuff
407
     * encoding: set by user
408
     * decoding: set by user
409
     */
410
    void *opaque;
411

    
412
    char codec_name[32];
413
    enum CodecType codec_type; /* see CODEC_TYPE_xxx */
414
    enum CodecID codec_id; /* see CODEC_ID_xxx */
415
    unsigned int codec_tag;  /* codec tag, only used if unknown codec */
416
    
417
    /**
418
     * workaround bugs in encoders which sometimes cannot be detected automatically
419
     * encoding: unused
420
     * decoding: set by user
421
     */
422
    int workaround_bugs;
423
#define FF_BUG_AUTODETECT       1  //autodetection
424
#define FF_BUG_OLD_MSMPEG4      2
425
#define FF_BUG_XVID_ILACE       4
426
#define FF_BUG_UMP4             8
427
#define FF_BUG_NO_PADDING       16
428
#define FF_BUG_AC_VLC           32
429
#define FF_BUG_QPEL_CHROMA      64
430
//#define FF_BUG_FAKE_SCALABILITY 16 //autodetection should work 100%
431
        
432
    /**
433
     * encoding: set by user
434
     * decoding: unused
435
     */
436
    int luma_elim_threshold;
437
    
438
    /**
439
     * encoding: set by user
440
     * decoding: unused
441
     */
442
    int chroma_elim_threshold;
443
    
444
    /**
445
     * strictly follow the std (MPEG4, ...)
446
     * encoding: set by user
447
     * decoding: unused
448
     */
449
    int strict_std_compliance;
450
    
451
    /**
452
     * qscale offset between ip and b frames
453
     * if > 0 then the last p frame quantizer will be used (q= lastp_q*factor+offset)
454
     * if < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset)
455
     * encoding: set by user.
456
     * decoding: unused
457
     */
458
    float b_quant_offset;
459
    
460
    /**
461
     * error resilience {-1,0,1} higher values will detect more errors but may missdetect
462
     * some more or less valid parts as errors
463
     * encoding: unused
464
     * decoding: set by user
465
     */
466
    int error_resilience;
467
    
468
#ifndef MBC
469
#define MBC 128
470
#define MBR 96
471
#endif
472
#define QP_TYPE int //FIXME note xxx this might be changed to int8_t
473

    
474
    QP_TYPE *quant_store; /* field for communicating with external postprocessing */
475

    
476
    unsigned qstride;
477
    
478
    /**
479
     * buffer, where the next picture should be decoded into
480
     * encoding: unused
481
     * decoding: set by user in get_buffer_callback to a buffer into which the next part
482
     *           of the bitstream will be decoded, and set by lavc at end of frame to the
483
     *           next frame which needs to be displayed
484
     */
485
    uint8_t *dr_buffer[3];
486
    
487
    /**
488
     * stride of the luminance part of the dr buffer
489
     * encoding: unused
490
     * decoding: set by user
491
     */
492
    int dr_stride;
493
    
494
    /**
495
     * same behavior as dr_buffer, just for some private data of the user
496
     * encoding: unused
497
     * decoding: set by user in get_buffer_callback, and set by lavc at end of frame
498
     */
499
    void *dr_opaque_frame;
500
    
501
    /**
502
     * called at the beginning of each frame to get a buffer for it
503
     * encoding: unused
504
     * decoding: set by user
505
     */
506
    int (*get_buffer_callback)(struct AVCodecContext *c, int width, int height, int pict_type);
507

    
508
    /**
509
     * is 1 if the decoded stream contains b frames, 0 otherwise
510
     * encoding: unused
511
     * decoding: set by lavc
512
     */
513
    int has_b_frames;
514

    
515
    /**
516
     * stride of the chrominance part of the dr buffer
517
     * encoding: unused
518
     * decoding: set by user
519
     */
520
    int dr_uvstride;
521
    
522
    /**
523
     * number of dr buffers
524
     * encoding: unused
525
     * decoding: set by user
526
     */
527
    int dr_ip_buffer_count;
528
    
529
    int block_align; /* currently only for adpcm codec in wav/avi */
530
    
531
    int parse_only; /* decoding only: if true, only parsing is done
532
                       (function avcodec_parse_frame()). The frame
533
                       data is returned. Only MPEG codecs support this now. */
534
    
535
    /**
536
     * 0-> h263 quant 1-> mpeg quant
537
     * encoding: set by user.
538
     * decoding: unused
539
     */
540
    int mpeg_quant;
541
    
542
    /**
543
     * pass1 encoding statistics output buffer
544
     * encoding: set by lavc
545
     * decoding: unused
546
     */
547
    char *stats_out; /* encoding statistics output buffer */
548
    
549
    /**
550
     * pass2 encoding statistics input buffer.
551
     * concatenated stuff from stats_out of pass1 should be placed here
552
     * encoding: allocated/set/freed by user
553
     * decoding: unused
554
     */
555
    char *stats_in;
556
    
557
    /**
558
     * ratecontrol qmin qmax limiting method
559
     * 0-> clipping, 1-> use a nice continous function to limit qscale wthin qmin/qmax
560
     * encoding: set by user.
561
     * decoding: unused
562
     */
563
    float rc_qsquish;
564

    
565
    float rc_qmod_amp;
566
    int rc_qmod_freq;
567
    
568
    /**
569
     * ratecontrol override, see RcOverride
570
     * encoding: allocated/set/freed by user.
571
     * decoding: unused
572
     */
573
    RcOverride *rc_override;
574
    int rc_override_count;
575
    
576
    /**
577
     * rate control equation
578
     * encoding: set by user
579
     * decoding: unused
580
     */
581
    char *rc_eq;
582
    
583
    /**
584
     * maximum bitrate
585
     * encoding: set by user.
586
     * decoding: unused
587
     */
588
    int rc_max_rate;
589
    
590
    /**
591
     * minimum bitrate
592
     * encoding: set by user.
593
     * decoding: unused
594
     */
595
    int rc_min_rate;
596
    
597
    /**
598
     * decoder bitstream buffer size
599
     * encoding: set by user.
600
     * decoding: unused
601
     */
602
    int rc_buffer_size;
603
    float rc_buffer_aggressivity;
604

    
605
    /**
606
     * qscale factor between p and i frames
607
     * encoding: set by user.
608
     * decoding: unused
609
     */
610
    float i_quant_factor;
611
    
612
    /**
613
     * qscale offset between p and i frames
614
     * if > 0 then the last p frame quantizer will be used (q= lastp_q*factor+offset)
615
     * if < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset)
616
     * encoding: set by user.
617
     * decoding: unused
618
     */
619
    float i_quant_offset;
620
    
621
    /**
622
     * initial complexity for pass1 ratecontrol
623
     * encoding: set by user.
624
     * decoding: unused
625
     */
626
    float rc_initial_cplx;
627

    
628
    /**
629
     * custom aspect ratio, used if aspect_info==FF_ASPECT_EXTENDED
630
     * encoding: set by user.
631
     * decoding: set by lavc.
632
     */
633
    int aspected_width;
634
    int aspected_height;
635

    
636
    /**
637
     * dct algorithm, see FF_DCT_* below
638
     * encoding: set by user
639
     * decoding: unused
640
     */
641
    int dct_algo;
642
#define FF_DCT_AUTO    0
643
#define FF_DCT_FASTINT 1
644
#define FF_DCT_INT     2
645
#define FF_DCT_MMX     3
646
#define FF_DCT_MLIB    4
647

    
648
    /**
649
     * presentation timestamp in micro seconds (time when frame should be shown to user)
650
     * if 0 then the frame_rate will be used as reference
651
     * encoding: set by user
652
     * decoding; set by lavc
653
     */
654
    long long int pts;
655
    
656
    /**
657
     * luminance masking (0-> disabled)
658
     * encoding: set by user
659
     * decoding: unused
660
     */
661
    float lumi_masking;
662
    
663
    /**
664
     * temporary complexity masking (0-> disabled)
665
     * encoding: set by user
666
     * decoding: unused
667
     */
668
    float temporal_cplx_masking;
669
    
670
    /**
671
     * spatial complexity masking (0-> disabled)
672
     * encoding: set by user
673
     * decoding: unused
674
     */
675
    float spatial_cplx_masking;
676
    
677
    /**
678
     * p block masking (0-> disabled)
679
     * encoding: set by user
680
     * decoding: unused
681
     */
682
    float p_masking;
683

    
684
    /**
685
     * darkness masking (0-> disabled)
686
     * encoding: set by user
687
     * decoding: unused
688
     */
689
    float dark_masking;
690
    
691
    /**
692
     * fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A')
693
     * this is used to workaround some encoder bugs
694
     * encoding: unused
695
     * decoding: set by user, will be converted to upper case by lavc during init
696
     */
697
    int fourcc;
698

    
699
    /**
700
     * idct algorithm, see FF_IDCT_* below
701
     * encoding: set by user
702
     * decoding: set by user
703
     */
704
    int idct_algo;
705
#define FF_IDCT_AUTO         0
706
#define FF_IDCT_INT          1
707
#define FF_IDCT_SIMPLE       2
708
#define FF_IDCT_SIMPLEMMX    3
709
#define FF_IDCT_LIBMPEG2MMX  4
710
#define FF_IDCT_PS2          5
711
#define FF_IDCT_MLIB         6
712
#define FF_IDCT_ARM          7
713

    
714
    /**
715
     * slice count
716
     * encoding: set by lavc
717
     * decoding: set by user (or 0)
718
     */
719
    int slice_count;
720
    /**
721
     * slice offsets in the frame in bytes
722
     * encoding: set/allocated by lavc
723
     * decoding: set/allocated by user (or NULL)
724
     */
725
    int *slice_offset;
726

    
727
    /**
728
     * error concealment flags
729
     * encoding: unused
730
     * decoding: set by user
731
     */
732
    int error_concealment;
733
#define FF_EC_GUESS_MVS   1
734
#define FF_EC_DEBLOCK     2
735

    
736
    //FIXME this should be reordered after kabis API is finished ...
737
    //TODO kill kabi
738
    /*
739
        Note: Below are located reserved fields for further usage
740
        It requires for ABI !!!
741
        If you'll perform some changes then borrow new space from these fields
742
        (void * can be safety replaced with struct * ;)
743
        P L E A S E ! ! !
744
        Note: use avcodec_alloc_context instead of malloc to allocate this, 
745
        otherwise the ABI compatibility will be broken between versions
746
         IMPORTANT: Never change order of already declared fields!!!
747
     */
748
     //TODO: remove mess below
749
    unsigned long long int
750
            ull_res0,ull_res1,ull_res2,ull_res3,ull_res4,ull_res5,
751
            ull_res6,ull_res7,ull_res8,ull_res9,ull_res10,ull_res11;
752
    float
753
            flt_res0,flt_res1,flt_res2,flt_res3,flt_res4,flt_res5,
754
            flt_res6,flt_res7,flt_res8,flt_res9,flt_res10,flt_res11,flt_res12;
755
    void
756
            *ptr_res0,*ptr_res1,*ptr_res2,*ptr_res3,*ptr_res4,*ptr_res5,
757
            *ptr_res6,*ptr_res7,*ptr_res8,*ptr_res9,*ptr_res10,*ptr_res11,*ptr_res12;
758
    unsigned long int
759
            ul_res0,ul_res1,ul_res2,ul_res3,ul_res4,ul_res5,
760
            ul_res6,ul_res7,ul_res8,ul_res9,ul_res10,ul_res11,ul_res12;
761
    unsigned short int
762
            us_res0,us_res1,us_res2,us_res3,us_res4,us_res5,
763
            us_res6,us_res7,us_res8,us_res9,us_res10,us_res11,us_res12;
764
    unsigned char
765
            uc_res0,uc_res1,uc_res2,uc_res3,uc_res4,uc_res5,
766
            uc_res6,uc_res7,uc_res8,uc_res9,uc_res10,uc_res11,uc_res12;
767
    unsigned int
768
            ui_res0,ui_res1,ui_res2,ui_res3,ui_res4,ui_res5,ui_res6,ui_res7,ui_res8,ui_res9,
769
            ui_res10,ui_res11,ui_res12,ui_res13,ui_res14,ui_res15,ui_res16;
770
} AVCodecContext;
771

    
772
typedef struct AVCodec {
773
    char *name;
774
    int type;
775
    int id;
776
    int priv_data_size;
777
    int (*init)(AVCodecContext *);
778
    int (*encode)(AVCodecContext *, UINT8 *buf, int buf_size, void *data);
779
    int (*close)(AVCodecContext *);
780
    int (*decode)(AVCodecContext *, void *outdata, int *outdata_size,
781
                  UINT8 *buf, int buf_size);
782
    int capabilities;
783
    struct AVCodec *next;
784
    /*
785
        Note: Below are located reserved fields for further usage
786
        It requires for ABI !!!
787
        If you'll perform some changes then borrow new space from these fields
788
        (void * can be safety replaced with struct * ;)
789
        P L E A S E ! ! !
790
        IMPORTANT: Never change order of already declared fields!!!
791
    */
792
    unsigned long long int
793
            ull_res0,ull_res1,ull_res2,ull_res3,ull_res4,ull_res5,
794
            ull_res6,ull_res7,ull_res8,ull_res9,ull_res10,ull_res11,ull_res12;
795
    float
796
            flt_res0,flt_res1,flt_res2,flt_res3,flt_res4,flt_res5,
797
            flt_res6,flt_res7,flt_res8,flt_res9,flt_res10,flt_res11,flt_res12;
798
    void
799
            *ptr_res0,*ptr_res1,*ptr_res2,*ptr_res3,*ptr_res4,*ptr_res5,
800
            *ptr_res6,*ptr_res7,*ptr_res8,*ptr_res9,*ptr_res10,*ptr_res11,*ptr_res12;
801
} AVCodec;
802

    
803
/* three components are given, that's all */
804
typedef struct AVPicture {
805
    UINT8 *data[3];
806
    int linesize[3];
807
} AVPicture;
808

    
809
extern AVCodec ac3_encoder;
810
extern AVCodec mp2_encoder;
811
extern AVCodec mp3lame_encoder;
812
extern AVCodec oggvorbis_encoder;
813
extern AVCodec mpeg1video_encoder;
814
extern AVCodec h263_encoder;
815
extern AVCodec h263p_encoder;
816
extern AVCodec rv10_encoder;
817
extern AVCodec mjpeg_encoder;
818
extern AVCodec mpeg4_encoder;
819
extern AVCodec msmpeg4v1_encoder;
820
extern AVCodec msmpeg4v2_encoder;
821
extern AVCodec msmpeg4v3_encoder;
822
extern AVCodec wmv1_encoder;
823
extern AVCodec wmv2_encoder;
824

    
825
extern AVCodec h263_decoder;
826
extern AVCodec mpeg4_decoder;
827
extern AVCodec msmpeg4v1_decoder;
828
extern AVCodec msmpeg4v2_decoder;
829
extern AVCodec msmpeg4v3_decoder;
830
extern AVCodec wmv1_decoder;
831
extern AVCodec wmv2_decoder;
832
extern AVCodec mpeg_decoder;
833
extern AVCodec h263i_decoder;
834
extern AVCodec rv10_decoder;
835
extern AVCodec svq1_decoder;
836
extern AVCodec dvvideo_decoder;
837
extern AVCodec dvaudio_decoder;
838
extern AVCodec mjpeg_decoder;
839
extern AVCodec mp2_decoder;
840
extern AVCodec mp3_decoder;
841

    
842
/* pcm codecs */
843
#define PCM_CODEC(id, name) \
844
extern AVCodec name ## _decoder; \
845
extern AVCodec name ## _encoder;
846

    
847
PCM_CODEC(CODEC_ID_PCM_S16LE, pcm_s16le);
848
PCM_CODEC(CODEC_ID_PCM_S16BE, pcm_s16be);
849
PCM_CODEC(CODEC_ID_PCM_U16LE, pcm_u16le);
850
PCM_CODEC(CODEC_ID_PCM_U16BE, pcm_u16be);
851
PCM_CODEC(CODEC_ID_PCM_S8, pcm_s8);
852
PCM_CODEC(CODEC_ID_PCM_U8, pcm_u8);
853
PCM_CODEC(CODEC_ID_PCM_ALAW, pcm_alaw);
854
PCM_CODEC(CODEC_ID_PCM_MULAW, pcm_mulaw);
855

    
856
/* adpcm codecs */
857

    
858
PCM_CODEC(CODEC_ID_ADPCM_IMA_QT, adpcm_ima_qt);
859
PCM_CODEC(CODEC_ID_ADPCM_IMA_WAV, adpcm_ima_wav);
860
PCM_CODEC(CODEC_ID_ADPCM_MS, adpcm_ms);
861

    
862
#undef PCM_CODEC
863

    
864
/* dummy raw video codec */
865
extern AVCodec rawvideo_codec;
866

    
867
/* the following codecs use external GPL libs */
868
extern AVCodec ac3_decoder;
869

    
870
/* resample.c */
871

    
872
struct ReSampleContext;
873

    
874
typedef struct ReSampleContext ReSampleContext;
875

    
876
ReSampleContext *audio_resample_init(int output_channels, int input_channels, 
877
                                     int output_rate, int input_rate);
878
int audio_resample(ReSampleContext *s, short *output, short *input, int nb_samples);
879
void audio_resample_close(ReSampleContext *s);
880

    
881
/* YUV420 format is assumed ! */
882

    
883
struct ImgReSampleContext;
884

    
885
typedef struct ImgReSampleContext ImgReSampleContext;
886

    
887
ImgReSampleContext *img_resample_init(int output_width, int output_height,
888
                                      int input_width, int input_height);
889

    
890
ImgReSampleContext *img_resample_full_init(int owidth, int oheight,
891
                                      int iwidth, int iheight,
892
                                      int topBand, int bottomBand,
893
                                      int leftBand, int rightBand);
894

    
895
void img_resample(ImgReSampleContext *s, 
896
                  AVPicture *output, AVPicture *input);
897

    
898
void img_resample_close(ImgReSampleContext *s);
899

    
900
void avpicture_fill(AVPicture *picture, UINT8 *ptr,
901
                    int pix_fmt, int width, int height);
902
int avpicture_get_size(int pix_fmt, int width, int height);
903

    
904
/* convert among pixel formats */
905
int img_convert(AVPicture *dst, int dst_pix_fmt,
906
                AVPicture *src, int pix_fmt, 
907
                int width, int height);
908

    
909
/* deinterlace a picture */
910
int avpicture_deinterlace(AVPicture *dst, AVPicture *src,
911
                          int pix_fmt, int width, int height);
912

    
913
/* external high level API */
914

    
915
extern AVCodec *first_avcodec;
916

    
917
/* returns LIBAVCODEC_VERSION_INT constant */
918
unsigned avcodec_version(void);
919
/* returns LIBAVCODEC_BUILD constant */
920
unsigned avcodec_build(void);
921
void avcodec_init(void);
922

    
923
void avcodec_set_bit_exact(void);
924

    
925
void register_avcodec(AVCodec *format);
926
AVCodec *avcodec_find_encoder(enum CodecID id);
927
AVCodec *avcodec_find_encoder_by_name(const char *name);
928
AVCodec *avcodec_find_decoder(enum CodecID id);
929
AVCodec *avcodec_find_decoder_by_name(const char *name);
930
void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode);
931

    
932
AVCodecContext *avcodec_alloc_context(void);
933
int avcodec_open(AVCodecContext *avctx, AVCodec *codec);
934
int avcodec_decode_audio(AVCodecContext *avctx, INT16 *samples, 
935
                         int *frame_size_ptr,
936
                         UINT8 *buf, int buf_size);
937
int avcodec_decode_video(AVCodecContext *avctx, AVPicture *picture, 
938
                         int *got_picture_ptr,
939
                         UINT8 *buf, int buf_size);
940
int avcodec_parse_frame(AVCodecContext *avctx, UINT8 **pdata, 
941
                        int *data_size_ptr,
942
                        UINT8 *buf, int buf_size);
943
int avcodec_encode_audio(AVCodecContext *avctx, UINT8 *buf, int buf_size, 
944
                         const short *samples);
945
int avcodec_encode_video(AVCodecContext *avctx, UINT8 *buf, int buf_size, 
946
                         const AVPicture *pict);
947

    
948
int avcodec_close(AVCodecContext *avctx);
949

    
950
void avcodec_register_all(void);
951

    
952
void avcodec_flush_buffers(AVCodecContext *avctx);
953

    
954
#ifdef FF_POSTPROCESS
955
extern int quant_store[MBR+1][MBC+1]; // [Review]
956
#endif
957

    
958

    
959
/**
960
 * Interface for 0.5.0 version
961
 *
962
 * do not even think about it's usage for this moment
963
 */
964

    
965
typedef struct {
966
    // compressed size used from given memory buffer
967
    int size;
968
    /// I/P/B frame type
969
    int frame_type;
970
} avc_enc_result_t;
971

    
972
/**
973
 * Commands
974
 * order can't be changed - once it was defined
975
 */
976
typedef enum {
977
    // general commands
978
    AVC_OPEN_BY_NAME = 0xACA000,
979
    AVC_OPEN_BY_CODEC_ID,
980
    AVC_OPEN_BY_FOURCC,
981
    AVC_CLOSE,
982

    
983
    AVC_FLUSH,
984
    // pin - struct { uint8_t* src, uint_t src_size }
985
    // pout - struct { AVPicture* img, consumed_bytes,
986
    AVC_DECODE,
987
    // pin - struct { AVPicture* img, uint8_t* dest, uint_t dest_size }
988
    // pout - uint_t used_from_dest_size
989
    AVC_ENCODE, 
990

    
991
    // query/get video commands
992
    AVC_GET_VERSION = 0xACB000,
993
    AVC_GET_WIDTH,
994
    AVC_GET_HEIGHT,
995
    AVC_GET_DELAY,
996
    AVC_GET_QUANT_TABLE,
997
    // ...
998

    
999
    // query/get audio commands
1000
    AVC_GET_FRAME_SIZE = 0xABC000,
1001

    
1002
    // maybe define some simple structure which
1003
    // might be passed to the user - but they can't
1004
    // contain any codec specific parts and these
1005
    // calls are usualy necessary only few times
1006

    
1007
    // set video commands
1008
    AVC_SET_WIDTH = 0xACD000,
1009
    AVC_SET_HEIGHT,
1010

    
1011
    // set video encoding commands
1012
    AVC_SET_FRAME_RATE = 0xACD800,
1013
    AVC_SET_QUALITY,
1014
    AVC_SET_HURRY_UP,
1015

    
1016
    // set audio commands
1017
    AVC_SET_SAMPLE_RATE = 0xACE000,
1018
    AVC_SET_CHANNELS,
1019

    
1020
} avc_cmd_t;
1021

    
1022
/**
1023
 * \param handle  allocated private structure by libavcodec
1024
 *                for initialization pass NULL - will be returned pout
1025
 *                user is supposed to know nothing about its structure
1026
 * \param cmd     type of operation to be performed
1027
 * \param pint    input parameter
1028
 * \param pout    output parameter
1029
 *
1030
 * \returns  command status - eventually for query command it might return
1031
 * integer resulting value
1032
 */
1033
int avcodec(void* handle, avc_cmd_t cmd, void* pin, void* pout);
1034

    
1035
/* memory */
1036
void *av_malloc(int size);
1037
void *av_mallocz(int size);
1038
void av_free(void *ptr);
1039
void __av_freep(void **ptr);
1040
#define av_freep(p) __av_freep((void **)(p))
1041

    
1042
#endif /* AVCODEC_H */