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added proposed API for parse_only mode to extract compressed frames from compressed streams 

Originally committed as revision 810 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Fabrice Bellard 2002-07-25 16:25:36 +00:00
parent e3e105b38a
commit 917e06c81b
1 changed files with 12 additions and 2 deletions
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14
libavcodec/avcodec.h
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@ -113,6 +113,9 @@ static const int Motion_Est_QTab[] = { ME_ZERO, ME_PHODS, ME_LOG,
/* decoder can use draw_horiz_band callback */
#define CODEC_CAP_DRAW_HORIZ_BAND 0x0001
#define CODEC_CAP_DR1 0x0002 /* direct rendering method 1 */
/* if 'parse_only' field is true, then avcodec_parse_frame() can be
used */
#define CODEC_CAP_PARSE_ONLY 0x0004
#define FRAME_RATE_BASE 10000
@ -258,8 +261,8 @@ typedef struct AVCodecContext {
#define QP_TYPE int //FIXME note xxx this might be changed to int8_t
QP_TYPE *quant_store; /* field for communicating with external postprocessing */
unsigned qstride;
unsigned qstride;
uint8_t *dr_buffer[3];
int dr_stride;
void *dr_opaque_frame;
@ -270,6 +273,10 @@ typedef struct AVCodecContext {
int dr_ip_buffer_count;
int block_align; /* currently only for adpcm codec in wav/avi */
int parse_only; /* decoding only: if true, only parsing is done
(function avcodec_parse_frame()). The frame
data is returned. Only MPEG codecs support this now. */
//FIXME this should be reordered after kabis API is finished ...
/*
Note: Below are located reserved fields for further usage
@ -292,7 +299,7 @@ typedef struct AVCodecContext {
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
ui_res0,ui_res1;
ui_res0;
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;
@ -459,6 +466,9 @@ int avcodec_decode_audio(AVCodecContext *avctx, INT16 *samples,
int avcodec_decode_video(AVCodecContext *avctx, AVPicture *picture,
int *got_picture_ptr,
UINT8 *buf, int buf_size);
int avcodec_parse_frame(AVCodecContext *avctx, UINT8 **pdata,
int *data_size_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,