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authorMichael Niedermayer <michaelni@gmx.at>2005-06-19 23:33:09 +0000
committerMichael Niedermayer <michaelni@gmx.at>2005-06-19 23:33:09 +0000
commit806bb93fe2ce2e993c7d9f70117f5b6b6e24499b (patch)
treec09d26e707d4a7e97f835b5ebf25e7c995fa4665 /libavcodec
parent2fdf9cb2fb9f2f9c1bec53a5a72287bbf12471b7 (diff)
make decoder a little bit more tolerant to missing NAL units
Originally committed as revision 4385 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/h264.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index f9c0bfc3d4..4594eb9bd8 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -3894,8 +3894,10 @@ static int execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count){
switch(mmco[i].opcode){
case MMCO_SHORT2UNUSED:
pic= remove_short(h, mmco[i].short_frame_num);
- if(pic==NULL) return -1;
- unreference_pic(h, pic);
+ if(pic)
+ unreference_pic(h, pic);
+ else if(s->avctx->debug&FF_DEBUG_MMCO)
+ av_log(h->s.avctx, AV_LOG_DEBUG, "mmco: remove_short() failure\n");
break;
case MMCO_SHORT2LONG:
pic= remove_long(h, mmco[i].long_index);
@@ -3907,8 +3909,10 @@ static int execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count){
break;
case MMCO_LONG2UNUSED:
pic= remove_long(h, mmco[i].long_index);
- if(pic==NULL) return -1;
- unreference_pic(h, pic);
+ if(pic)
+ unreference_pic(h, pic);
+ else if(s->avctx->debug&FF_DEBUG_MMCO)
+ av_log(h->s.avctx, AV_LOG_DEBUG, "mmco: remove_long() failure\n");
break;
case MMCO_LONG:
pic= remove_long(h, mmco[i].long_index);
@@ -4297,7 +4301,8 @@ static int decode_slice_header(H264Context *h){
fill_default_ref_list(h);
}
- decode_ref_pic_list_reordering(h);
+ if(decode_ref_pic_list_reordering(h) < 0)
+ return -1;
if( (h->pps.weighted_pred && (h->slice_type == P_TYPE || h->slice_type == SP_TYPE ))
|| (h->pps.weighted_bipred_idc==1 && h->slice_type==B_TYPE ) )
@@ -7166,6 +7171,7 @@ static int decode_nal_units(H264Context *h, uint8_t *buf, int buf_size){
}
#endif
h->slice_num = 0;
+ s->current_picture_ptr= NULL;
for(;;){
int consumed;
int dst_length;