From 917e06c81b34ba1bac88bd23f22b1a460fae0b4a Mon Sep 17 00:00:00 2001 From: Fabrice Bellard Date: Thu, 25 Jul 2002 16:25:36 +0000 Subject: [PATCH] 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 --- libavcodec/avcodec.h | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index 4715282..76de60a 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -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, -- 2.7.4