2001-09-23 19:16:51 +02:00
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#ifndef AVCODEC_H
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#define AVCODEC_H
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2001-07-22 16:18:56 +02:00
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#include "common.h"
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2002-04-15 04:28:05 +02:00
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#define LIBAVCODEC_VERSION_INT 0x000406
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#define LIBAVCODEC_VERSION "0.4.6"
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2002-07-15 16:15:10 +02:00
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#define LIBAVCODEC_BUILD 4617
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#define LIBAVCODEC_BUILD_STR "4617"
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2002-04-15 04:28:05 +02:00
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2001-07-22 16:18:56 +02:00
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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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2002-03-10 15:58:53 +01:00
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CODEC_ID_MP3LAME,
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CODEC_ID_AC3,
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CODEC_ID_MJPEG,
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2001-08-15 15:09:47 +02:00
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CODEC_ID_MPEG4,
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CODEC_ID_RAWVIDEO,
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2002-04-05 06:09:04 +02:00
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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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2002-04-07 00:29:37 +02:00
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CODEC_ID_WMV1,
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CODEC_ID_WMV2,
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2001-07-22 16:18:56 +02:00
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CODEC_ID_H263P,
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CODEC_ID_H263I,
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2002-07-09 18:08:43 +02:00
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CODEC_ID_SVQ1,
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2001-09-23 19:16:51 +02:00
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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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2001-07-22 16:18:56 +02:00
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};
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2002-04-05 06:09:04 +02:00
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#define CODEC_ID_MSMPEG4 CODEC_ID_MSMPEG4V3
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2001-07-22 16:18:56 +02:00
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enum CodecType {
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2002-05-09 03:22:30 +02:00
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CODEC_TYPE_UNKNOWN = -1,
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2001-07-22 16:18:56 +02:00
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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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2001-07-22 16:18:56 +02:00
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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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2001-08-06 03:53:21 +02:00
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PIX_FMT_YUV422P,
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PIX_FMT_YUV444P,
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PIX_FMT_YUV410P
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};
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2001-09-23 19:16:51 +02:00
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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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2001-07-22 16:18:56 +02:00
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/* in bytes */
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#define AVCODEC_MAX_AUDIO_FRAME_SIZE 18432
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2002-04-14 20:57:51 +02:00
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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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2002-04-15 00:17:40 +02:00
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/* only for ME compatiblity with old apps */
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extern int motion_estimation_method;
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2002-04-14 20:57:51 +02:00
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/* ME algos sorted by quality */
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2002-05-06 21:32:55 +02:00
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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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2001-07-22 16:18:56 +02:00
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2002-04-17 06:32:12 +02:00
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#define FF_MAX_B_FRAMES 4
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2001-07-22 16:18:56 +02:00
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/* encoding support */
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2002-03-27 22:25:22 +01:00
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/* note not everything is supported yet */
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2001-07-22 16:18:56 +02:00
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#define CODEC_FLAG_HQ 0x0001 /* high quality (non real time) encoding */
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#define CODEC_FLAG_QSCALE 0x0002 /* use fixed qscale */
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2002-03-27 22:25:22 +01:00
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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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2002-03-29 00:07:54 +01:00
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#define CODEC_FLAG_TYPE 0x0040 /* fixed I/P frame type, from avctx->key_frame */
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2002-06-02 14:25:54 +02:00
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#define CODEC_FLAG_PART 0x0080 /* use data partitioning */
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2002-04-17 06:32:12 +02:00
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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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2002-04-21 23:18:17 +02:00
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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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2002-05-01 20:12:04 +02:00
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#define CODEC_FLAG_EXTERN_HUFF 0x1000 /* use external huffman table (for mjpeg) */
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2002-07-14 20:37:35 +02:00
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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 /* dr1 */
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2001-08-15 15:09:47 +02:00
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/* codec capabilities */
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/* decoder can use draw_horiz_band callback */
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#define CODEC_CAP_DRAW_HORIZ_BAND 0x0001
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#define CODEC_CAP_DR1 0x0002 /* direct rendering method 1 */
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2001-08-15 15:09:47 +02:00
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2001-07-22 16:18:56 +02:00
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#define FRAME_RATE_BASE 10000
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typedef struct AVCodecContext {
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int bit_rate;
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int bit_rate_tolerance; /* amount of +- bits (>0)*/
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int flags;
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int sub_id; /* some codecs needs additionnal format info. It is
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stored there */
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2002-04-14 20:57:51 +02:00
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int me_method; /* ME algorithm used for video coding */
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2002-05-01 20:12:04 +02:00
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/* extra data from parent application to codec, e.g. huffman table
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for mjpeg */
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/* the parent should allocate and free this buffer */
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void *extradata;
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int extradata_size;
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2001-07-22 16:18:56 +02:00
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/* video only */
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int frame_rate; /* frames per sec multiplied by FRAME_RATE_BASE */
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int width, height;
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int aspect_ratio_info;
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2002-03-23 00:28:11 +01:00
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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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int gop_size; /* 0 = intra only */
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2002-04-08 23:03:35 +02:00
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enum PixelFormat pix_fmt; /* pixel format, see PIX_FMT_xxx */
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2002-05-14 21:56:42 +02:00
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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) */
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2001-08-15 15:09:47 +02:00
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/* if non NULL, 'draw_horiz_band' is called by the libavcodec
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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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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);
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2001-07-22 16:18:56 +02:00
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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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2001-07-22 16:18:56 +02:00
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/* the following data should not be initialized */
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2002-05-12 01:42:16 +02:00
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int frame_size; /* in samples, initialized when calling 'init' */
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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 */
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int key_frame; /* true if the previous compressed frame was
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a key frame (intra, or seekable) */
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int pict_type; /* picture type of the previous
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encoded frame */
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/* FIXME: these should have FF_ */
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#define I_TYPE 1 // Intra
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#define P_TYPE 2 // Predicted
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#define B_TYPE 3 // Bi-dir predicted
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#define S_TYPE 4 // S(GMC)-VOP MPEG4
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int delay; /* number of frames the decoded output
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will be delayed relative to the encoded input */
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2002-04-27 15:12:57 +02:00
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uint8_t *mbskip_table; /* =1 if MB didnt change, is only valid for I/P frames
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stride= mb_width = (width+15)>>4 */
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2002-04-22 21:04:28 +02:00
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/* encoding parameters */
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int quality; /* quality of the previous encoded frame
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2002-04-21 23:18:17 +02:00
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(between 1 (good) and 31 (bad))
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this is allso used to set the quality in vbr mode
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and the per frame quality in CODEC_FLAG_TYPE (second pass mode) */
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2002-03-17 17:31:38 +01:00
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float qcompress; /* amount of qscale change between easy & hard scenes (0.0-1.0)*/
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float qblur; /* amount of qscale smoothing over time (0.0-1.0) */
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int qmin; /* min qscale */
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int qmax; /* max qscale */
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int max_qdiff; /* max qscale difference between frames */
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2002-04-17 06:32:12 +02:00
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int max_b_frames; /* maximum b frames, the output will be delayed by max_b_frames+1 relative to the input */
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2002-04-21 23:18:17 +02:00
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float b_quant_factor;/* qscale factor between ips and b frames */
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int rc_strategy;
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int b_frame_strategy;
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2002-04-17 06:32:12 +02:00
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2002-04-27 15:12:57 +02:00
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int hurry_up; /* when set to 1 during decoding, b frames will be skiped
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when set to 2 idct/dequant will be skipped too */
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2001-07-22 16:18:56 +02:00
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struct AVCodec *codec;
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void *priv_data;
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2001-11-19 03:13:14 +01:00
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/* The following data is for RTP friendly coding */
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2002-06-02 14:25:54 +02:00
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/* By now only H.263/H.263+/MPEG4 coder honours this */
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2001-11-19 03:13:14 +01:00
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int rtp_mode; /* 1 for activate RTP friendly-mode */
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/* highers numbers represent more error-prone */
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/* enviroments, by now just "1" exist */
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int rtp_payload_size; /* The size of the RTP payload, the coder will */
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/* do it's best to deliver a chunk with size */
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/* below rtp_payload_size, the chunk will start */
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/* with a start code on some codecs like H.263 */
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/* This doesn't take account of any particular */
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/* headers inside the transmited RTP payload */
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2002-02-09 17:59:56 +01:00
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/* The RTP callcack: This function is called */
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/* every time the encoder as a packet to send */
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/* Depends on the encoder if the data starts */
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/* with a Start Code (it should) H.263 does */
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void (*rtp_callback)(void *data, int size, int packet_number);
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2002-02-26 23:14:27 +01:00
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/* These are for PSNR calculation, if you set get_psnr to 1 */
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/* after encoding you will have the PSNR on psnr_y/cb/cr */
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int get_psnr;
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float psnr_y;
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float psnr_cb;
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float psnr_cr;
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2002-03-23 18:43:30 +01:00
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/* statistics, used for 2-pass encoding */
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int mv_bits;
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int header_bits;
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int i_tex_bits;
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int p_tex_bits;
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int i_count;
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int p_count;
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int skip_count;
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int misc_bits; // cbp, mb_type
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int frame_bits;
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2001-11-19 03:13:14 +01:00
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2001-07-22 16:18:56 +02:00
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/* the following fields are ignored */
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2001-08-15 15:09:47 +02:00
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void *opaque; /* can be used to carry app specific stuff */
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2001-07-22 16:18:56 +02:00
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char codec_name[32];
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2002-05-09 03:22:30 +02:00
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enum CodecType codec_type; /* see CODEC_TYPE_xxx */
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enum CodecID codec_id; /* see CODEC_ID_xxx */
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2001-07-22 16:18:56 +02:00
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unsigned int codec_tag; /* codec tag, only used if unknown codec */
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2002-05-22 01:13:57 +02:00
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int workaround_bugs; /* workaround bugs in encoders which cannot be detected automatically */
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2002-06-02 14:25:54 +02:00
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int luma_elim_threshold;
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int chroma_elim_threshold;
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int strict_std_compliance; /* strictly follow the std (MPEG4, ...) */
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float b_quant_offset;/* qscale offset between ips and b frames, not implemented yet */
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int error_resilience;
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2002-06-03 09:01:42 +02:00
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#ifndef MBC
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#define MBC 128
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#define MBR 96
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#endif
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2002-07-14 20:37:35 +02:00
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#define QP_TYPE int //FIXME note xxx this might be changed to int8_t
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QP_TYPE *quant_store; /* field for communicating with external postprocessing */
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2002-06-03 09:58:35 +02:00
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unsigned qstride;
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2002-07-14 20:37:35 +02:00
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uint8_t *dr_buffer[3];
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int dr_stride;
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void *dr_opaque_frame;
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2002-07-15 16:15:10 +02:00
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void (*get_buffer_callback)(struct AVCodecContext *c, int width, int height, int pict_type);
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int has_b_frames; // is 1 if the decoded stream contains b frames
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int dr_uvstride;
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int dr_ip_buffer_count;
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2002-07-14 20:37:35 +02:00
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2002-06-02 14:25:54 +02:00
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//FIXME this should be reordered after kabis API is finished ...
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2002-05-12 17:30:10 +02:00
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/*
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Note: Below are located reserved fields for further usage
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It requires for ABI !!!
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If you'll perform some changes then borrow new space from these fields
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(void * can be safety replaced with struct * ;)
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P L E A S E ! ! !
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IMPORTANT: Never change order of already declared fields!!!
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*/
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unsigned long long int
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ull_res0,ull_res1,ull_res2,ull_res3,ull_res4,ull_res5,
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ull_res6,ull_res7,ull_res8,ull_res9,ull_res10,ull_res11,ull_res12;
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float
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flt_res0,flt_res1,flt_res2,flt_res3,flt_res4,flt_res5,
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2002-06-02 14:25:54 +02:00
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|
flt_res6,flt_res7,flt_res8,flt_res9,flt_res10,flt_res11;
|
2002-05-12 17:30:10 +02:00
|
|
|
void
|
|
|
|
*ptr_res0,*ptr_res1,*ptr_res2,*ptr_res3,*ptr_res4,*ptr_res5,
|
2002-07-14 20:37:35 +02:00
|
|
|
*ptr_res6;
|
2002-05-12 17:30:10 +02:00
|
|
|
unsigned long int
|
|
|
|
ul_res0,ul_res1,ul_res2,ul_res3,ul_res4,ul_res5,
|
|
|
|
ul_res6,ul_res7,ul_res8,ul_res9,ul_res10,ul_res11,ul_res12;
|
|
|
|
unsigned int
|
2002-07-15 16:15:10 +02:00
|
|
|
ui_res0,ui_res1,ui_res2;
|
2002-05-12 17:30:10 +02:00
|
|
|
unsigned short int
|
|
|
|
us_res0,us_res1,us_res2,us_res3,us_res4,us_res5,
|
|
|
|
us_res6,us_res7,us_res8,us_res9,us_res10,us_res11,us_res12;
|
|
|
|
unsigned char
|
|
|
|
uc_res0,uc_res1,uc_res2,uc_res3,uc_res4,uc_res5,
|
2002-07-15 16:15:10 +02:00
|
|
|
uc_res6,uc_res7,uc_res8,uc_res9,uc_res10,uc_res11,uc_res12;
|
2001-07-22 16:18:56 +02:00
|
|
|
} AVCodecContext;
|
|
|
|
|
|
|
|
typedef struct AVCodec {
|
|
|
|
char *name;
|
|
|
|
int type;
|
|
|
|
int id;
|
|
|
|
int priv_data_size;
|
|
|
|
int (*init)(AVCodecContext *);
|
|
|
|
int (*encode)(AVCodecContext *, UINT8 *buf, int buf_size, void *data);
|
|
|
|
int (*close)(AVCodecContext *);
|
2002-07-15 16:15:10 +02:00
|
|
|
int (*decode)(AVCodecContext *, void *outdata, int *outdata_size,
|
2001-07-22 16:18:56 +02:00
|
|
|
UINT8 *buf, int buf_size);
|
2001-08-15 15:09:47 +02:00
|
|
|
int capabilities;
|
2001-07-22 16:18:56 +02:00
|
|
|
struct AVCodec *next;
|
2002-05-12 17:30:10 +02:00
|
|
|
/*
|
|
|
|
Note: Below are located reserved fields for further usage
|
|
|
|
It requires for ABI !!!
|
|
|
|
If you'll perform some changes then borrow new space from these fields
|
|
|
|
(void * can be safety replaced with struct * ;)
|
|
|
|
P L E A S E ! ! !
|
|
|
|
IMPORTANT: Never change order of already declared fields!!!
|
|
|
|
*/
|
|
|
|
unsigned long long int
|
|
|
|
ull_res0,ull_res1,ull_res2,ull_res3,ull_res4,ull_res5,
|
|
|
|
ull_res6,ull_res7,ull_res8,ull_res9,ull_res10,ull_res11,ull_res12;
|
|
|
|
float
|
|
|
|
flt_res0,flt_res1,flt_res2,flt_res3,flt_res4,flt_res5,
|
|
|
|
flt_res6,flt_res7,flt_res8,flt_res9,flt_res10,flt_res11,flt_res12;
|
|
|
|
void
|
|
|
|
*ptr_res0,*ptr_res1,*ptr_res2,*ptr_res3,*ptr_res4,*ptr_res5,
|
|
|
|
*ptr_res6,*ptr_res7,*ptr_res8,*ptr_res9,*ptr_res10,*ptr_res11,*ptr_res12;
|
2001-07-22 16:18:56 +02:00
|
|
|
} AVCodec;
|
|
|
|
|
|
|
|
/* three components are given, that's all */
|
|
|
|
typedef struct AVPicture {
|
|
|
|
UINT8 *data[3];
|
|
|
|
int linesize[3];
|
|
|
|
} AVPicture;
|
|
|
|
|
|
|
|
extern AVCodec ac3_encoder;
|
|
|
|
extern AVCodec mp2_encoder;
|
2002-03-10 15:58:53 +01:00
|
|
|
extern AVCodec mp3lame_encoder;
|
2001-07-22 16:18:56 +02:00
|
|
|
extern AVCodec mpeg1video_encoder;
|
|
|
|
extern AVCodec h263_encoder;
|
|
|
|
extern AVCodec h263p_encoder;
|
|
|
|
extern AVCodec rv10_encoder;
|
|
|
|
extern AVCodec mjpeg_encoder;
|
2001-08-15 15:09:47 +02:00
|
|
|
extern AVCodec mpeg4_encoder;
|
2002-04-05 06:09:04 +02:00
|
|
|
extern AVCodec msmpeg4v1_encoder;
|
|
|
|
extern AVCodec msmpeg4v2_encoder;
|
|
|
|
extern AVCodec msmpeg4v3_encoder;
|
2002-06-18 02:50:20 +02:00
|
|
|
extern AVCodec wmv1_encoder;
|
|
|
|
extern AVCodec wmv2_encoder;
|
2001-07-22 16:18:56 +02:00
|
|
|
|
|
|
|
extern AVCodec h263_decoder;
|
2001-08-15 15:09:47 +02:00
|
|
|
extern AVCodec mpeg4_decoder;
|
2002-04-05 06:09:04 +02:00
|
|
|
extern AVCodec msmpeg4v1_decoder;
|
|
|
|
extern AVCodec msmpeg4v2_decoder;
|
|
|
|
extern AVCodec msmpeg4v3_decoder;
|
2002-04-07 00:29:37 +02:00
|
|
|
extern AVCodec wmv1_decoder;
|
2002-06-18 02:50:20 +02:00
|
|
|
extern AVCodec wmv2_decoder;
|
2001-07-22 16:18:56 +02:00
|
|
|
extern AVCodec mpeg_decoder;
|
|
|
|
extern AVCodec h263i_decoder;
|
|
|
|
extern AVCodec rv10_decoder;
|
2002-07-09 18:08:43 +02:00
|
|
|
extern AVCodec svq1_decoder;
|
2001-08-06 02:47:03 +02:00
|
|
|
extern AVCodec mjpeg_decoder;
|
2002-04-15 04:28:05 +02:00
|
|
|
extern AVCodec mp2_decoder;
|
2001-09-23 19:16:51 +02:00
|
|
|
extern AVCodec mp3_decoder;
|
2001-07-22 16:18:56 +02:00
|
|
|
|
2001-09-23 19:16:51 +02:00
|
|
|
/* pcm codecs */
|
|
|
|
#define PCM_CODEC(id, name) \
|
|
|
|
extern AVCodec name ## _decoder; \
|
|
|
|
extern AVCodec name ## _encoder;
|
|
|
|
|
|
|
|
PCM_CODEC(CODEC_ID_PCM_S16LE, pcm_s16le);
|
|
|
|
PCM_CODEC(CODEC_ID_PCM_S16BE, pcm_s16be);
|
|
|
|
PCM_CODEC(CODEC_ID_PCM_U16LE, pcm_u16le);
|
|
|
|
PCM_CODEC(CODEC_ID_PCM_U16BE, pcm_u16be);
|
|
|
|
PCM_CODEC(CODEC_ID_PCM_S8, pcm_s8);
|
|
|
|
PCM_CODEC(CODEC_ID_PCM_U8, pcm_u8);
|
|
|
|
PCM_CODEC(CODEC_ID_PCM_ALAW, pcm_alaw);
|
|
|
|
PCM_CODEC(CODEC_ID_PCM_MULAW, pcm_mulaw);
|
|
|
|
|
|
|
|
#undef PCM_CODEC
|
|
|
|
|
|
|
|
/* dummy raw video codec */
|
2001-07-22 16:18:56 +02:00
|
|
|
extern AVCodec rawvideo_codec;
|
|
|
|
|
|
|
|
/* the following codecs use external GPL libs */
|
|
|
|
extern AVCodec ac3_decoder;
|
|
|
|
|
|
|
|
/* resample.c */
|
|
|
|
|
|
|
|
struct ReSampleContext;
|
|
|
|
|
|
|
|
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);
|
|
|
|
|
|
|
|
/* 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);
|
|
|
|
void img_resample(ImgReSampleContext *s,
|
|
|
|
AVPicture *output, AVPicture *input);
|
|
|
|
|
|
|
|
void img_resample_close(ImgReSampleContext *s);
|
|
|
|
|
2001-08-11 21:00:05 +02:00
|
|
|
void avpicture_fill(AVPicture *picture, UINT8 *ptr,
|
|
|
|
int pix_fmt, int width, int height);
|
|
|
|
int avpicture_get_size(int pix_fmt, int width, int height);
|
|
|
|
|
|
|
|
/* convert among pixel formats */
|
|
|
|
int img_convert(AVPicture *dst, int dst_pix_fmt,
|
|
|
|
AVPicture *src, int pix_fmt,
|
|
|
|
int width, int height);
|
|
|
|
|
|
|
|
/* deinterlace a picture */
|
|
|
|
int avpicture_deinterlace(AVPicture *dst, AVPicture *src,
|
2001-07-22 16:18:56 +02:00
|
|
|
int pix_fmt, int width, int height);
|
|
|
|
|
|
|
|
/* external high level API */
|
|
|
|
|
|
|
|
extern AVCodec *first_avcodec;
|
|
|
|
|
2002-05-05 11:56:13 +02:00
|
|
|
/* returns LIBAVCODEC_VERSION_INT constant */
|
2002-05-20 18:22:51 +02:00
|
|
|
unsigned avcodec_version(void);
|
2002-05-12 17:53:25 +02:00
|
|
|
/* returns LIBAVCODEC_BUILD constant */
|
2002-05-20 18:22:51 +02:00
|
|
|
unsigned avcodec_build(void);
|
2001-07-22 16:18:56 +02:00
|
|
|
void avcodec_init(void);
|
|
|
|
|
2002-05-20 18:22:51 +02:00
|
|
|
void avcodec_set_bit_exact(void);
|
|
|
|
|
2001-07-22 16:18:56 +02:00
|
|
|
void register_avcodec(AVCodec *format);
|
|
|
|
AVCodec *avcodec_find_encoder(enum CodecID id);
|
2001-12-23 23:25:18 +01:00
|
|
|
AVCodec *avcodec_find_encoder_by_name(const char *name);
|
2001-07-22 16:18:56 +02:00
|
|
|
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);
|
|
|
|
|
|
|
|
int avcodec_open(AVCodecContext *avctx, AVCodec *codec);
|
|
|
|
int avcodec_decode_audio(AVCodecContext *avctx, INT16 *samples,
|
|
|
|
int *frame_size_ptr,
|
|
|
|
UINT8 *buf, int buf_size);
|
|
|
|
int avcodec_decode_video(AVCodecContext *avctx, AVPicture *picture,
|
|
|
|
int *got_picture_ptr,
|
|
|
|
UINT8 *buf, int buf_size);
|
|
|
|
int avcodec_encode_audio(AVCodecContext *avctx, UINT8 *buf, int buf_size,
|
|
|
|
const short *samples);
|
|
|
|
int avcodec_encode_video(AVCodecContext *avctx, UINT8 *buf, int buf_size,
|
|
|
|
const AVPicture *pict);
|
|
|
|
|
|
|
|
int avcodec_close(AVCodecContext *avctx);
|
|
|
|
|
|
|
|
void avcodec_register_all(void);
|
2001-09-23 19:16:51 +02:00
|
|
|
|
2002-04-24 03:24:06 +02:00
|
|
|
void avcodec_flush_buffers(AVCodecContext *avctx);
|
|
|
|
|
2001-10-17 01:10:38 +02:00
|
|
|
#ifdef FF_POSTPROCESS
|
|
|
|
extern int quant_store[MBR+1][MBC+1]; // [Review]
|
|
|
|
#endif
|
|
|
|
|
2002-05-14 16:17:11 +02:00
|
|
|
|
|
|
|
/**
|
|
|
|
* Interface for 0.5.0 version
|
|
|
|
*
|
|
|
|
* do not even think about it's usage for this moment
|
|
|
|
*/
|
|
|
|
|
|
|
|
typedef struct {
|
|
|
|
// compressed size used from given memory buffer
|
|
|
|
int size;
|
|
|
|
/// I/P/B frame type
|
|
|
|
int frame_type;
|
|
|
|
} avc_enc_result_t;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Commands
|
|
|
|
* order can't be changed - once it was defined
|
|
|
|
*/
|
|
|
|
typedef enum {
|
|
|
|
// general commands
|
|
|
|
AVC_OPEN_BY_NAME = 0xACA000,
|
|
|
|
AVC_OPEN_BY_CODEC_ID,
|
|
|
|
AVC_OPEN_BY_FOURCC,
|
|
|
|
AVC_CLOSE,
|
|
|
|
|
|
|
|
AVC_FLUSH,
|
|
|
|
// pin - struct { uint8_t* src, uint_t src_size }
|
|
|
|
// pout - struct { AVPicture* img, consumed_bytes,
|
|
|
|
AVC_DECODE,
|
|
|
|
// pin - struct { AVPicture* img, uint8_t* dest, uint_t dest_size }
|
|
|
|
// pout - uint_t used_from_dest_size
|
|
|
|
AVC_ENCODE,
|
|
|
|
|
|
|
|
// query/get video commands
|
|
|
|
AVC_GET_VERSION = 0xACB000,
|
|
|
|
AVC_GET_WIDTH,
|
|
|
|
AVC_GET_HEIGHT,
|
|
|
|
AVC_GET_DELAY,
|
|
|
|
AVC_GET_QUANT_TABLE,
|
|
|
|
// ...
|
|
|
|
|
|
|
|
// query/get audio commands
|
|
|
|
AVC_GET_FRAME_SIZE = 0xABC000,
|
|
|
|
|
|
|
|
// maybe define some simple structure which
|
|
|
|
// might be passed to the user - but they can't
|
|
|
|
// contain any codec specific parts and these
|
|
|
|
// calls are usualy necessary only few times
|
|
|
|
|
|
|
|
// set video commands
|
|
|
|
AVC_SET_WIDTH = 0xACD000,
|
|
|
|
AVC_SET_HEIGHT,
|
|
|
|
|
|
|
|
// set video encoding commands
|
|
|
|
AVC_SET_FRAME_RATE = 0xACD800,
|
|
|
|
AVC_SET_QUALITY,
|
|
|
|
AVC_SET_HURRY_UP,
|
|
|
|
|
|
|
|
// set audio commands
|
|
|
|
AVC_SET_SAMPLE_RATE = 0xACE000,
|
|
|
|
AVC_SET_CHANNELS,
|
|
|
|
|
|
|
|
} avc_cmd_t;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* \param handle allocated private structure by libavcodec
|
|
|
|
* for initialization pass NULL - will be returned pout
|
|
|
|
* user is supposed to know nothing about its structure
|
|
|
|
* \param cmd type of operation to be performed
|
|
|
|
* \param pint input parameter
|
|
|
|
* \param pout output parameter
|
|
|
|
*
|
|
|
|
* \returns command status - eventually for query command it might return
|
|
|
|
* integer resulting value
|
|
|
|
*/
|
|
|
|
int avcodec(void* handle, avc_cmd_t cmd, void* pin, void* pout);
|
|
|
|
|
2002-06-11 15:42:18 +02:00
|
|
|
/* memory */
|
|
|
|
void *av_malloc(int size);
|
|
|
|
void *av_mallocz(int size);
|
|
|
|
void av_free(void *ptr);
|
|
|
|
void __av_freep(void **ptr);
|
|
|
|
#define av_freep(p) __av_freep((void **)(p))
|
|
|
|
|
2001-09-23 19:16:51 +02:00
|
|
|
#endif /* AVCODEC_H */
|