generic-library/ffmpeg
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ffmpeg: Factor out redundant sync_ipts calculation

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Originally committed as revision 22536 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Alexander Strange 2010-03-15 02:32:21 +00:00
parent e536ccd653
commit 47b229dbab
1 changed files with 6 additions and 3 deletions
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9
ffmpeg.c
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@ -900,6 +900,7 @@ static void do_video_out(AVFormatContext *s,
AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
AVFrame picture_crop_temp, picture_pad_temp;
AVCodecContext *enc, *dec;
double sync_ipts;
avcodec_get_frame_defaults(&picture_crop_temp);
avcodec_get_frame_defaults(&picture_pad_temp);
@ -907,6 +908,8 @@ static void do_video_out(AVFormatContext *s,
enc = ost->st->codec;
dec = ist->st->codec;
sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
/* by default, we output a single frame */
nb_frames = 1;
@ -914,7 +917,7 @@ static void do_video_out(AVFormatContext *s,
if(video_sync_method){
double vdelta;
vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
vdelta = sync_ipts - ost->sync_opts;
//FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
if (vdelta < -1.1)
nb_frames = 0;
@ -922,7 +925,7 @@ static void do_video_out(AVFormatContext *s,
if(vdelta<=-0.6){
nb_frames=0;
}else if(vdelta>0.6)
ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
ost->sync_opts= lrintf(sync_ipts);
}else if (vdelta > 1.1)
nb_frames = lrintf(vdelta);
//fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
@ -936,7 +939,7 @@ static void do_video_out(AVFormatContext *s,
fprintf(stderr, "*** %d dup!\n", nb_frames-1);
}
}else
ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
ost->sync_opts= lrintf(sync_ipts);
nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
if (nb_frames <= 0)