6 #define LIBAVCODEC_VERSION_INT 0x000406
7 #define LIBAVCODEC_VERSION "0.4.6"
8 #define LIBAVCODEC_BUILD 4631
9 #define LIBAVCODEC_BUILD_STR "4631"
34 /* various pcm "codecs" */
44 /* various adpcm codecs */
45 CODEC_ID_ADPCM_IMA_QT,
46 CODEC_ID_ADPCM_IMA_WAV,
49 #define CODEC_ID_MSMPEG4 CODEC_ID_MSMPEG4V3
52 CODEC_TYPE_UNKNOWN = -1,
71 /* currently unused, may be used if 24/32 bits samples ever supported */
73 SAMPLE_FMT_S16 = 0, /* signed 16 bits */
77 #define AVCODEC_MAX_AUDIO_FRAME_SIZE 18432
79 /* motion estimation type, EPZS by default */
89 typedef struct RcOverride{
92 int qscale; // if this is 0 then quality_factor will be used instead
96 /* only for ME compatiblity with old apps */
97 extern int motion_estimation_method;
99 /* ME algos sorted by quality */
100 static const int Motion_Est_QTab[] = { ME_ZERO, ME_PHODS, ME_LOG,
101 ME_X1, ME_EPZS, ME_FULL };
104 #define FF_MAX_B_FRAMES 4
107 these flags can be passed in AVCodecContext.flags before initing
108 Note: note not everything is supported yet
111 #define CODEC_FLAG_HQ 0x0001 /* brute force MB-type decission mode (slow) */
112 #define CODEC_FLAG_QSCALE 0x0002 /* use fixed qscale */
113 #define CODEC_FLAG_4MV 0x0004 /* 4 MV per MB allowed */
114 #define CODEC_FLAG_QPEL 0x0010 /* use qpel MC */
115 #define CODEC_FLAG_GMC 0x0020 /* use GMC */
116 #define CODEC_FLAG_TYPE 0x0040 /* fixed I/P frame type, from avctx->key_frame */
117 #define CODEC_FLAG_PART 0x0080 /* use data partitioning */
118 /* parent program gurantees that the input for b-frame containing streams is not written to
119 for at least s->max_b_frames+1 frames, if this is not set than the input will be copied */
120 #define CODEC_FLAG_INPUT_PRESERVED 0x0100
121 #define CODEC_FLAG_PASS1 0x0200 /* use internal 2pass ratecontrol in first pass mode */
122 #define CODEC_FLAG_PASS2 0x0400 /* use internal 2pass ratecontrol in second pass mode */
123 #define CODEC_FLAG_EXTERN_HUFF 0x1000 /* use external huffman table (for mjpeg) */
124 #define CODEC_FLAG_GRAY 0x2000 /* only decode/encode grayscale */
125 #define CODEC_FLAG_EMU_EDGE 0x4000/* dont draw edges */
126 #define CODEC_FLAG_DR1 0x8000 /* direct renderig type 1 (store internal frames in external buffers) */
127 #define CODEC_FLAG_NOT_TRUNCATED 0x00010000 /* input bitstream is not truncated, except before a startcode
128 allows the last part of a frame to be decoded earlier */
129 #define CODEC_FLAG_NORMALIZE_AQP 0x00020000 /* normalize adaptive quantization */
130 #define CODEC_FLAG_INTERLACED_DCT 0x00040000 /* use interlaced dct */
132 /* codec capabilities */
134 #define CODEC_CAP_DRAW_HORIZ_BAND 0x0001 /* decoder can use draw_horiz_band callback */
135 #define CODEC_CAP_DR1 0x0002 /* direct rendering method 1 */
136 /* if 'parse_only' field is true, then avcodec_parse_frame() can be
138 #define CODEC_CAP_PARSE_ONLY 0x0004
140 #define FRAME_RATE_BASE 10000
142 typedef struct AVCodecContext {
144 * the average bitrate
145 * encoding: set by user. unused for constant quantizer encoding
146 * decoding: set by lavc. 0 or some bitrate if this info is available in the stream
151 * number of bits the bitstream is allowed to diverge from the reference
152 * the reference can be CBR (for CBR pass1) or VBR (for pass2)
153 * encoding: set by user. unused for constant quantizer encoding
156 int bit_rate_tolerance;
160 * encoding: set by user.
161 * decoding: set by user.
166 * some codecs needs additionnal format info. It is stored here
167 * encoding: set by user.
168 * decoding: set by lavc. (FIXME is this ok?)
173 * motion estimation algorithm used for video coding
174 * encoding: set by user.
180 * some codecs need / can use extra-data like huffman tables
181 * mjpeg: huffman tables
182 * rv10: additional flags
183 * mpeg4: global headers (they can be in the bitstream or here)
184 * encoding: set/allocated/freed by lavc.
185 * decoding: set/allocated/freed by user.
192 * frames per sec multiplied by FRAME_RATE_BASE
193 * for variable fps this is the precission, so if the timestamps
194 * can be specified in msec precssion then this is 1000*FRAME_RATE_BASE
195 * encoding: set by user
196 * decoding: set by lavc. 0 or the frame_rate if available
201 * encoding: set by user.
202 * decoding: set by user, some codecs might override / change it during playback
207 * encoding: set by user. 0 if not known
208 * decoding: set by lavc. 0 if not known
210 int aspect_ratio_info;
211 #define FF_ASPECT_SQUARE 1
212 #define FF_ASPECT_4_3_625 2
213 #define FF_ASPECT_4_3_525 3
214 #define FF_ASPECT_16_9_625 4
215 #define FF_ASPECT_16_9_525 5
216 #define FF_ASPECT_EXTENDED 15
219 * the number of pictures in a group of pitures, or 0 for intra_only
220 * encoding: set by user.
226 * pixel format, see PIX_FMT_xxx
228 * decoding: set by lavc.
230 enum PixelFormat pix_fmt;
232 int repeat_pict; /* when decoding, this signal how much the picture */
233 /* must be delayed. */
234 /* extra_delay = (repeat_pict / 2) * (1/fps) */
237 * if non NULL, 'draw_horiz_band' is called by the libavcodec
238 * decoder to draw an horizontal band. It improve cache usage. Not
239 * all codecs can do that. You must check the codec capabilities
242 * decoding: set by user.
244 void (*draw_horiz_band)(struct AVCodecContext *s,
245 UINT8 **src_ptr, int linesize,
246 int y, int width, int height);
249 int sample_rate; /* samples per sec */
251 int sample_fmt; /* sample format, currenly unused */
253 /* the following data should not be initialized */
254 int frame_size; /* in samples, initialized when calling 'init' */
255 int frame_number; /* audio or video frame number */
256 int real_pict_num; /* returns the real picture number of
257 previous encoded frame */
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)
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)
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
276 #define S_TYPE 4 // S(GMC)-VOP MPEG4
279 * number of frames the decoded output will be delayed relative to
281 * encoding: set by lavc.
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?)
290 * decoding: set by lavc
292 uint8_t *mbskip_table;
294 /* encoding parameters */
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
300 int quality; /* quality of the previous encoded frame
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) */
309 * encoding: set by user.
316 * encoding: set by user.
322 * maximum quantizer difference etween frames
323 * encoding: set by user.
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.
337 * qscale factor between ip and b frames
338 * encoding: set by user.
341 float b_quant_factor;
343 /** obsolete FIXME remove */
345 int b_frame_strategy;
349 * decoding: set by user. 1-> skip b frames, 2-> skip idct/dequant too
353 struct AVCodec *codec;
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 */
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 */
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);
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)
388 /* statistics, used for 2-pass encoding */
399 * number of bits used for the previously encoded frame
400 * encoding: set by lavc
406 * private data of the user, can be used to carry app specific stuff
407 * encoding: set by user
408 * decoding: set by user
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 */
418 * workaround bugs in encoders which sometimes cannot be detected automatically
420 * decoding: set by user
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%
433 * encoding: set by user
436 int luma_elim_threshold;
439 * encoding: set by user
442 int chroma_elim_threshold;
445 * strictly follow the std (MPEG4, ...)
446 * encoding: set by user
449 int strict_std_compliance;
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.
458 float b_quant_offset;
461 * error resilience {-1,0,1} higher values will detect more errors but may missdetect
462 * some more or less valid parts as errors
464 * decoding: set by user
466 int error_resilience;
472 #define QP_TYPE int //FIXME note xxx this might be changed to int8_t
474 QP_TYPE *quant_store; /* field for communicating with external postprocessing */
479 * buffer, where the next picture should be decoded into
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
485 uint8_t *dr_buffer[3];
488 * stride of the luminance part of the dr buffer
490 * decoding: set by user
495 * same behavior as dr_buffer, just for some private data of the user
497 * decoding: set by user in get_buffer_callback, and set by lavc at end of frame
499 void *dr_opaque_frame;
502 * called at the beginning of each frame to get a buffer for it
504 * decoding: set by user
506 void (*get_buffer_callback)(struct AVCodecContext *c, int width, int height, int pict_type);
509 * is 1 if the decoded stream contains b frames, 0 otherwise
511 * decoding: set by lavc
516 * stride of the chrominance part of the dr buffer
518 * decoding: set by user
523 * number of dr buffers
525 * decoding: set by user
527 int dr_ip_buffer_count;
529 int block_align; /* currently only for adpcm codec in wav/avi */
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. */
536 * 0-> h263 quant 1-> mpeg quant
537 * encoding: set by user.
543 * pass1 encoding statistics output buffer
544 * encoding: set by lavc
547 char *stats_out; /* encoding statistics output buffer */
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
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.
569 * ratecontrol override, see RcOverride
570 * encoding: allocated/set/freed by user.
573 RcOverride *rc_override;
574 int rc_override_count;
577 * rate control equation
578 * encoding: set by user
585 * encoding: set by user.
592 * encoding: set by user.
598 * decoder bitstream buffer size
599 * encoding: set by user.
603 float rc_buffer_aggressivity;
606 * qscale factor between p and i frames
607 * encoding: set by user.
610 float i_quant_factor;
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.
619 float i_quant_offset;
622 * initial complexity for pass1 ratecontrol
623 * encoding: set by user.
626 float rc_initial_cplx;
629 * custom aspect ratio, used if aspect_info==FF_ASPECT_EXTENDED
630 * encoding: set by user.
631 * decoding: set by lavc.
637 * dct algorithm, see FF_DCT_* below
638 * encoding: set by user
642 #define FF_DCT_AUTO 0
643 #define FF_DCT_FASTINT 1
646 #define FF_DCT_MLIB 4
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
657 * luminance masking (0-> disabled)
658 * encoding: set by user
664 * temporary complexity masking (0-> disabled)
665 * encoding: set by user
668 float temporal_cplx_masking;
671 * spatial complexity masking (0-> disabled)
672 * encoding: set by user
675 float spatial_cplx_masking;
678 * p block masking (0-> disabled)
679 * encoding: set by user
685 * darkness masking (0-> disabled)
686 * encoding: set by user
692 * fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A')
693 * this is used to workaround some encoder bugs
695 * decoding: set by user, will be converted to upper case by lavc during init
700 * idct algorithm, see FF_IDCT_* below
701 * encoding: set by user
702 * decoding: set by user
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
716 * encoding: set by lavc
717 * decoding: set by user (or 0)
721 * slice offsets in the frame in bytes
722 * encoding: set/allocated by lavc
723 * decoding: set/allocated by user (or NULL)
728 * error concealment flags
730 * decoding: set by user
732 int error_concealment;
733 #define FF_EC_GUESS_MVS 1
734 #define FF_EC_DEBLOCK 2
736 //FIXME this should be reordered after kabis API is finished ...
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 * ;)
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!!!
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;
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;
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;
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;
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;
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;
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;
772 typedef struct AVCodec {
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);
783 struct AVCodec *next;
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 * ;)
790 IMPORTANT: Never change order of already declared fields!!!
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;
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;
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;
803 /* three components are given, that's all */
804 typedef struct AVPicture {
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;
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;
843 #define PCM_CODEC(id, name) \
844 extern AVCodec name ## _decoder; \
845 extern AVCodec name ## _encoder;
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);
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);
864 /* dummy raw video codec */
865 extern AVCodec rawvideo_codec;
867 /* the following codecs use external GPL libs */
868 extern AVCodec ac3_decoder;
872 struct ReSampleContext;
874 typedef struct ReSampleContext ReSampleContext;
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);
881 /* YUV420 format is assumed ! */
883 struct ImgReSampleContext;
885 typedef struct ImgReSampleContext ImgReSampleContext;
887 ImgReSampleContext *img_resample_init(int output_width, int output_height,
888 int input_width, int input_height);
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);
895 void img_resample(ImgReSampleContext *s,
896 AVPicture *output, AVPicture *input);
898 void img_resample_close(ImgReSampleContext *s);
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);
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);
909 /* deinterlace a picture */
910 int avpicture_deinterlace(AVPicture *dst, AVPicture *src,
911 int pix_fmt, int width, int height);
913 /* external high level API */
915 extern AVCodec *first_avcodec;
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);
923 void avcodec_set_bit_exact(void);
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);
932 AVCodecContext *avcodec_alloc_context(void);
933 int avcodec_open(AVCodecContext *avctx, AVCodec *codec);
934 int avcodec_decode_audio(AVCodecContext *avctx, INT16 *samples,
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,
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);
948 int avcodec_close(AVCodecContext *avctx);
950 void avcodec_register_all(void);
952 void avcodec_flush_buffers(AVCodecContext *avctx);
954 #ifdef FF_POSTPROCESS
955 extern int quant_store[MBR+1][MBC+1]; // [Review]
960 * Interface for 0.5.0 version
962 * do not even think about it's usage for this moment
966 // compressed size used from given memory buffer
974 * order can't be changed - once it was defined
978 AVC_OPEN_BY_NAME = 0xACA000,
979 AVC_OPEN_BY_CODEC_ID,
984 // pin - struct { uint8_t* src, uint_t src_size }
985 // pout - struct { AVPicture* img, consumed_bytes,
987 // pin - struct { AVPicture* img, uint8_t* dest, uint_t dest_size }
988 // pout - uint_t used_from_dest_size
991 // query/get video commands
992 AVC_GET_VERSION = 0xACB000,
999 // query/get audio commands
1000 AVC_GET_FRAME_SIZE = 0xABC000,
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
1007 // set video commands
1008 AVC_SET_WIDTH = 0xACD000,
1011 // set video encoding commands
1012 AVC_SET_FRAME_RATE = 0xACD800,
1016 // set audio commands
1017 AVC_SET_SAMPLE_RATE = 0xACE000,
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
1030 * \returns command status - eventually for query command it might return
1031 * integer resulting value
1033 int avcodec(void* handle, avc_cmd_t cmd, void* pin, void* pout);
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))
1042 #endif /* AVCODEC_H */