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Avoid showing a video picture if we're late

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Ideally we should skip decoding, or at least YUV->RGB conversion, too.
This commit is contained in:
Chris Robinson 2012-12-14 03:11:59 -08:00
parent 157cb10f56
commit 8db5d10f10
1 changed files with 12 additions and 11 deletions
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23
apps/openmw/mwrender/videoplayer.cpp
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@ -447,8 +447,6 @@ void VideoState::video_display()
buffer->blitFromMemory(pb);
this->display_ready = 1;
}
free(vp->data);
}
void VideoState::video_refresh_timer()
@ -504,17 +502,21 @@ void VideoState::video_refresh_timer()
actual_delay = this->frame_timer - (av_gettime() / 1000000.0);
if(actual_delay < 0.010)
{
/* Really it should skip the picture instead */
actual_delay = 0.010;
/* Skip this picture */
this->refresh = true;
}
else
{
this->schedule_refresh((int)(actual_delay * 1000 + 0.5));
/* show the picture! */
this->video_display();
}
this->schedule_refresh((int)(actual_delay * 1000 + 0.5));
/* show the picture! */
this->video_display();
free(vp->data);
vp->data = NULL;
/* update queue for next picture! */
if(++this->pictq_rindex == VIDEO_PICTURE_QUEUE_SIZE)
this->pictq_rindex = 0;
this->pictq_rindex = (this->pictq_rindex+1) % VIDEO_PICTURE_QUEUE_SIZE;
this->pictq_mutex.lock();
this->pictq_size--;
this->pictq_cond.notify_one();
@ -550,13 +552,12 @@ int VideoState::queue_picture(AVFrame *pFrame, double pts)
throw std::runtime_error("Cannot initialize the conversion context!\n");
}
vp->pts = pts;
vp->data = (uint8_t*)malloc(this->video_st->codec->width * this->video_st->codec->height * 4);
sws_scale(this->sws_context, pFrame->data, pFrame->linesize,
0, this->video_st->codec->height, &vp->data, this->rgbaFrame->linesize);
vp->pts = pts;
// now we inform our display thread that we have a pic ready
this->pictq_windex = (this->pictq_windex+1) % VIDEO_PICTURE_QUEUE_SIZE;
this->pictq_mutex.lock();