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author | Aurelien Jacobs <aurel@gnuage.org> | 2007-05-09 00:03:17 +0000 |
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committer | Aurelien Jacobs <aurel@gnuage.org> | 2007-05-09 00:03:17 +0000 |
commit | c5a60225c7abeed5575a6685cc680927e225ddfb (patch) | |
tree | ebca191637ead4de37166839236cca268f265402 /libavcodec/cavs.c | |
parent | b88e2114269e56f9c3c9f7eedda0807a327358ea (diff) | |
download | ffmpeg-c5a60225c7abeed5575a6685cc680927e225ddfb.tar.gz |
move cavs parser in it's own file
Originally committed as revision 8945 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/cavs.c')
-rw-r--r-- | libavcodec/cavs.c | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/libavcodec/cavs.c b/libavcodec/cavs.c index 200668d2a1..c5f48480ad 100644 --- a/libavcodec/cavs.c +++ b/libavcodec/cavs.c @@ -30,7 +30,6 @@ #include "golomb.h" #include "mpegvideo.h" #include "cavs.h" -#ifdef CONFIG_CAVS_DECODER #include "cavsdata.h" typedef struct { @@ -1458,83 +1457,3 @@ AVCodec cavs_decoder = { CODEC_CAP_DR1 | CODEC_CAP_DELAY, .flush= cavs_flush, }; -#endif /* CONFIG_CAVS_DECODER */ - -#ifdef CONFIG_CAVSVIDEO_PARSER -/** - * finds the end of the current frame in the bitstream. - * @return the position of the first byte of the next frame, or -1 - */ -static int cavs_find_frame_end(ParseContext *pc, const uint8_t *buf, - int buf_size) { - int pic_found, i; - uint32_t state; - - pic_found= pc->frame_start_found; - state= pc->state; - - i=0; - if(!pic_found){ - for(i=0; i<buf_size; i++){ - state= (state<<8) | buf[i]; - if(state == PIC_I_START_CODE || state == PIC_PB_START_CODE){ - i++; - pic_found=1; - break; - } - } - } - - if(pic_found){ - /* EOF considered as end of frame */ - if (buf_size == 0) - return 0; - for(; i<buf_size; i++){ - state= (state<<8) | buf[i]; - if((state&0xFFFFFF00) == 0x100){ - if(state < SLICE_MIN_START_CODE || state > SLICE_MAX_START_CODE){ - pc->frame_start_found=0; - pc->state=-1; - return i-3; - } - } - } - } - pc->frame_start_found= pic_found; - pc->state= state; - return END_NOT_FOUND; -} - -static int cavsvideo_parse(AVCodecParserContext *s, - AVCodecContext *avctx, - const uint8_t **poutbuf, int *poutbuf_size, - const uint8_t *buf, int buf_size) -{ - ParseContext *pc = s->priv_data; - int next; - - if(s->flags & PARSER_FLAG_COMPLETE_FRAMES){ - next= buf_size; - }else{ - next= cavs_find_frame_end(pc, buf, buf_size); - - if (ff_combine_frame(pc, next, &buf, &buf_size) < 0) { - *poutbuf = NULL; - *poutbuf_size = 0; - return buf_size; - } - } - *poutbuf = buf; - *poutbuf_size = buf_size; - return next; -} - -AVCodecParser cavsvideo_parser = { - { CODEC_ID_CAVS }, - sizeof(ParseContext1), - NULL, - cavsvideo_parse, - ff_parse1_close, - ff_mpeg4video_split, -}; -#endif /* CONFIG_CAVSVIDEO_PARSER */ |