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Fix H.264 picture reordering, 2nd try. 

First, reverted one was r19239.

Patch by Haruhiko Yamagata, h D yamagata A nifty D com

Originally committed as revision 19258 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Haruhiko Yamagata 2009-06-23 21:03:35 +00:00 committed by Carl Eugen Hoyos
parent ce9dd8f509
commit 2722c3a30d
2 changed files with 6 additions and 3 deletions
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8
libavcodec/h264.c
View File

@ -2240,6 +2240,7 @@ static int frame_start(H264Context *h){
* See decode_nal_units().
*/
s->current_picture_ptr->key_frame= 0;
s->current_picture_ptr->mmco_reseted= 0;
assert(s->linesize && s->uvlinesize);
@ -3369,6 +3370,7 @@ static int execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count){
h->poc_msb=
h->frame_num=
s->current_picture_ptr->frame_num= 0;
s->current_picture_ptr->mmco_reseted=1;
break;
default: assert(0);
}
@ -7708,7 +7710,7 @@ static int decode_frame(AVCodecContext *avctx,
//FIXME factorize this with the output code below
out = h->delayed_pic[0];
out_idx = 0;
for(i=1; h->delayed_pic[i] && (h->delayed_pic[i]->poc && !h->delayed_pic[i]->key_frame); i++)
for(i=1; h->delayed_pic[i] && !h->delayed_pic[i]->key_frame && !h->delayed_pic[i]->mmco_reseted; i++)
if(h->delayed_pic[i]->poc < out->poc){
out = h->delayed_pic[i];
out_idx = i;
@ -7884,12 +7886,12 @@ static int decode_frame(AVCodecContext *avctx,
out = h->delayed_pic[0];
out_idx = 0;
for(i=1; h->delayed_pic[i] && (h->delayed_pic[i]->poc && !h->delayed_pic[i]->key_frame); i++)
for(i=1; h->delayed_pic[i] && !h->delayed_pic[i]->key_frame && !h->delayed_pic[i]->mmco_reseted; i++)
if(h->delayed_pic[i]->poc < out->poc){
out = h->delayed_pic[i];
out_idx = i;
}
cross_idr = !h->delayed_pic[0]->poc || !!h->delayed_pic[i] || h->delayed_pic[0]->key_frame;
cross_idr = !!h->delayed_pic[i] || h->delayed_pic[0]->key_frame || h->delayed_pic[0]->mmco_reseted;
out_of_order = !cross_idr && out->poc < h->outputed_poc;

1
libavcodec/mpegvideo.h
View File

@ -116,6 +116,7 @@ typedef struct Picture{
int field_poc[2]; ///< h264 top/bottom POC
int poc; ///< h264 frame POC
int frame_num; ///< h264 frame_num (raw frame_num from slice header)
int mmco_reseted; ///< h264 MMCO_RESET set this 1. Reordering code must not mix pictures before and after MMCO_RESET.
int pic_id; /**< h264 pic_num (short -> no wrap version of pic_num,
pic_num & max_pic_num; long -> long_pic_num) */
int long_ref; ///< 1->long term reference 0->short term reference