MrBesen
/
ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

avcodec/mpegvideo: Fix psnr calculation with slice threads 

This fixes a race condition and use of the wrong field, which become shared
instead of per thread during some AVFrame changes.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-06-13 13:04:31 +02:00
parent cf9050c715
commit 681868cbbe
2 changed files with 12 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavcodec/mpegvideo.h
View File

@ -143,6 +143,8 @@ typedef struct Picture{
int reference;
int shared;
uint64_t error[AV_NUM_DATA_POINTERS];
} Picture;
/**

18
libavcodec/mpegvideo_enc.c
View File

@ -1738,7 +1738,9 @@ vbv_retry:
ff_write_pass1_stats(s);
for (i = 0; i < 4; i++) {
s->current_picture_ptr->f->error[i] = s->current_picture.f->error[i];
s->current_picture_ptr->f->error[i] =
s->current_picture.f->error[i] =
s->current_picture.error[i];
avctx->error[i] += s->current_picture_ptr->f->error[i];
}
@ -2684,7 +2686,7 @@ static int encode_thread(AVCodecContext *c, void *arg){
/* note: quant matrix value (8) is implied here */
s->last_dc[i] = 128 << s->intra_dc_precision;
s->current_picture.f->error[i] = 0;
s->current_picture.error[i] = 0;
}
if(s->codec_id==AV_CODEC_ID_AMV){
s->last_dc[0] = 128*8/13;
@ -3251,13 +3253,13 @@ static int encode_thread(AVCodecContext *c, void *arg){
if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
s->current_picture.f->error[0] += sse(
s->current_picture.error[0] += sse(
s, s->new_picture.f->data[0] + s->mb_x*16 + s->mb_y*s->linesize*16,
s->dest[0], w, h, s->linesize);
s->current_picture.f->error[1] += sse(
s->current_picture.error[1] += sse(
s, s->new_picture.f->data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h,
s->dest[1], w>>1, h>>s->chroma_y_shift, s->uvlinesize);
s->current_picture.f->error[2] += sse(
s->current_picture.error[2] += sse(
s, s->new_picture.f->data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h,
s->dest[2], w>>1, h>>s->chroma_y_shift, s->uvlinesize);
}
@ -3310,9 +3312,9 @@ static void merge_context_after_encode(MpegEncContext *dst, MpegEncContext *src)
MERGE(misc_bits);
MERGE(er.error_count);
MERGE(padding_bug_score);
MERGE(current_picture.f->error[0]);
MERGE(current_picture.f->error[1]);
MERGE(current_picture.f->error[2]);
MERGE(current_picture.error[0]);
MERGE(current_picture.error[1]);
MERGE(current_picture.error[2]);
if(dst->avctx->noise_reduction){
for(i=0; i<64; i++){