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h264: pass buffer & size to ff_h264_decode_extradata()

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-09-23 05:42:45 +02:00
parent 101e38e08a
commit f71c761a9e
3 changed files with 9 additions and 9 deletions
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14
libavcodec/h264.c
View File

@ -1018,17 +1018,17 @@ static av_cold void common_init(H264Context *h){
memset(h->pps.scaling_matrix8, 16, 2*64*sizeof(uint8_t));
}
int ff_h264_decode_extradata(H264Context *h)
int ff_h264_decode_extradata(H264Context *h, const uint8_t *buf, int size)
{
AVCodecContext *avctx = h->s.avctx;
if(avctx->extradata[0] == 1){
if(buf[0] == 1){
int i, cnt, nalsize;
unsigned char *p = avctx->extradata;
const unsigned char *p = buf;
h->is_avc = 1;
if(avctx->extradata_size < 7) {
if(size < 7) {
av_log(avctx, AV_LOG_ERROR, "avcC too short\n");
return -1;
}
@ -1061,10 +1061,10 @@ int ff_h264_decode_extradata(H264Context *h)
p += nalsize;
}
// Now store right nal length size, that will be use to parse all other nals
h->nal_length_size = (avctx->extradata[4] & 0x03) + 1;
h->nal_length_size = (buf[4] & 0x03) + 1;
} else {
h->is_avc = 0;
if(decode_nal_units(h, avctx->extradata, avctx->extradata_size) < 0)
if(decode_nal_units(h, buf, size) < 0)
return -1;
}
return 0;
@ -1108,7 +1108,7 @@ av_cold int ff_h264_decode_init(AVCodecContext *avctx){
}
if(avctx->extradata_size > 0 && avctx->extradata &&
ff_h264_decode_extradata(h))
ff_h264_decode_extradata(h, avctx->extradata, avctx->extradata_size))
return -1;
if(h->sps.bitstream_restriction_flag && s->avctx->has_b_frames < h->sps.num_reorder_frames){

2
libavcodec/h264.h
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@ -663,7 +663,7 @@ int ff_h264_check_intra_pred_mode(H264Context *h, int mode);
void ff_h264_write_back_intra_pred_mode(H264Context *h);
void ff_h264_hl_decode_mb(H264Context *h);
int ff_h264_frame_start(H264Context *h);
int ff_h264_decode_extradata(H264Context *h);
int ff_h264_decode_extradata(H264Context *h, const uint8_t *buf, int size);
av_cold int ff_h264_decode_init(AVCodecContext *avctx);
av_cold int ff_h264_decode_end(AVCodecContext *avctx);
av_cold void ff_h264_decode_init_vlc(void);

2
libavcodec/h264_parser.c
View File

@ -251,7 +251,7 @@ static int h264_parse(AVCodecParserContext *s,
h->got_first = 1;
if (avctx->extradata_size) {
h->s.avctx = avctx;
ff_h264_decode_extradata(h);
ff_h264_decode_extradata(h, avctx->extradata, avctx->extradata_size);
}
}