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ffplay: requeue last picture on forced video refresh 

Fixes ticket #1609.

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2012-08-26 15:18:00 +02:00
parent fe79fc2ea5
commit 4a45e722e3
1 changed files with 22 additions and 4 deletions
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26
ffplay.c
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@ -95,7 +95,7 @@ typedef struct PacketQueue {
SDL_cond *cond;
} PacketQueue;
#define VIDEO_PICTURE_QUEUE_SIZE 2
#define VIDEO_PICTURE_QUEUE_SIZE 3
#define SUBPICTURE_QUEUE_SIZE 4
typedef struct VideoPicture {
@ -1132,6 +1132,22 @@ static void pictq_next_picture(VideoState *is) {
SDL_UnlockMutex(is->pictq_mutex);
}
static void pictq_prev_picture(VideoState *is) {
VideoPicture *prevvp;
/* update queue size and signal for the previous picture */
prevvp = &is->pictq[(is->pictq_rindex + VIDEO_PICTURE_QUEUE_SIZE - 1) % VIDEO_PICTURE_QUEUE_SIZE];
if (prevvp->allocated && !prevvp->skip) {
SDL_LockMutex(is->pictq_mutex);
if (is->pictq_size < VIDEO_PICTURE_QUEUE_SIZE) {
if (--is->pictq_rindex == -1)
is->pictq_rindex = VIDEO_PICTURE_QUEUE_SIZE - 1;
is->pictq_size++;
}
SDL_CondSignal(is->pictq_cond);
SDL_UnlockMutex(is->pictq_mutex);
}
}
static void update_video_pts(VideoState *is, double pts, int64_t pos) {
double time = av_gettime() / 1000000.0;
/* update current video pts */
@ -1251,8 +1267,7 @@ display:
if (!display_disable)
video_display(is);
if (!is->paused)
pictq_next_picture(is);
pictq_next_picture(is);
}
} else if (is->audio_st) {
/* draw the next audio frame */
@ -1368,7 +1383,8 @@ static int queue_picture(VideoState *is, AVFrame *src_frame, double pts1, int64_
/* wait until we have space to put a new picture */
SDL_LockMutex(is->pictq_mutex);
while (is->pictq_size >= VIDEO_PICTURE_QUEUE_SIZE &&
/* keep the last already displayed picture in the queue */
while (is->pictq_size >= VIDEO_PICTURE_QUEUE_SIZE - 1 &&
!is->videoq.abort_request) {
SDL_CondWait(is->pictq_cond, is->pictq_mutex);
}
@ -2872,6 +2888,8 @@ static void event_loop(VideoState *cur_stream)
alloc_picture(event.user.data1);
break;
case FF_REFRESH_EVENT:
if (cur_stream->force_refresh)
pictq_prev_picture(event.user.data1);
video_refresh(event.user.data1);
cur_stream->refresh = 0;
break;