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ffplay: simplify display code 

And get rid of frame_queue_prev.

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2015-11-26 00:25:47 +01:00
parent 0b9b3163f2
commit 37d201aad9
1 changed files with 13 additions and 30 deletions
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43
ffplay.c
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@ -769,14 +769,6 @@ static void frame_queue_next(FrameQueue *f)
SDL_UnlockMutex(f->mutex);
}
/* jump back to the previous frame if available by resetting rindex_shown */
static int frame_queue_prev(FrameQueue *f)
{
int ret = f->rindex_shown;
f->rindex_shown = 0;
return ret;
}
/* return the number of undisplayed frames in the queue */
static int frame_queue_nb_remaining(FrameQueue *f)
{
@ -947,7 +939,7 @@ static void video_image_display(VideoState *is)
SDL_Rect rect;
int i;
vp = frame_queue_peek(&is->pictq);
vp = frame_queue_peek_last(&is->pictq);
if (vp->bmp) {
if (is->subtitle_st) {
if (frame_queue_nb_remaining(&is->subpq) > 0) {
@ -1527,9 +1519,6 @@ static void video_refresh(void *opaque, double *remaining_time)
}
if (is->video_st) {
int redisplay = 0;
if (is->force_refresh)
redisplay = frame_queue_prev(&is->pictq);
retry:
if (frame_queue_nb_remaining(&is->pictq) == 0) {
// nothing to do, no picture to display in the queue
@ -1543,11 +1532,10 @@ retry:
if (vp->serial != is->videoq.serial) {
frame_queue_next(&is->pictq);
redisplay = 0;
goto retry;
}
if (lastvp->serial != vp->serial && !redisplay)
if (lastvp->serial != vp->serial)
is->frame_timer = av_gettime_relative() / 1000000.0;
if (is->paused)
@ -1555,15 +1543,12 @@ retry:
/* compute nominal last_duration */
last_duration = vp_duration(is, lastvp, vp);
if (redisplay)
delay = 0.0;
else
delay = compute_target_delay(last_duration, is);
delay = compute_target_delay(last_duration, is);
time= av_gettime_relative()/1000000.0;
if (time < is->frame_timer + delay && !redisplay) {
if (time < is->frame_timer + delay) {
*remaining_time = FFMIN(is->frame_timer + delay - time, *remaining_time);
return;
goto display;
}
is->frame_timer += delay;
@ -1571,18 +1556,16 @@ retry:
is->frame_timer = time;
SDL_LockMutex(is->pictq.mutex);
if (!redisplay && !isnan(vp->pts))
if (!isnan(vp->pts))
update_video_pts(is, vp->pts, vp->pos, vp->serial);
SDL_UnlockMutex(is->pictq.mutex);
if (frame_queue_nb_remaining(&is->pictq) > 1) {
Frame *nextvp = frame_queue_peek_next(&is->pictq);
duration = vp_duration(is, vp, nextvp);
if(!is->step && (redisplay || framedrop>0 || (framedrop && get_master_sync_type(is) != AV_SYNC_VIDEO_MASTER)) && time > is->frame_timer + duration){
if (!redisplay)
is->frame_drops_late++;
if(!is->step && (framedrop>0 || (framedrop && get_master_sync_type(is) != AV_SYNC_VIDEO_MASTER)) && time > is->frame_timer + duration){
is->frame_drops_late++;
frame_queue_next(&is->pictq);
redisplay = 0;
goto retry;
}
}
@ -1607,16 +1590,16 @@ retry:
}
}
display:
/* display picture */
if (!display_disable && is->show_mode == SHOW_MODE_VIDEO)
video_display(is);
frame_queue_next(&is->pictq);
is->force_refresh = 1;
if (is->step && !is->paused)
stream_toggle_pause(is);
}
display:
/* display picture */
if (!display_disable && is->force_refresh && is->show_mode == SHOW_MODE_VIDEO && is->pictq.rindex_shown)
video_display(is);
}
is->force_refresh = 0;
if (show_status) {