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ffplay: use frame queue to determine last used pos 

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2014-05-24 19:49:59 +02:00
parent 5a5128bab9
commit 164376483f
1 changed files with 15 additions and 7 deletions
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22
ffplay.c
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@ -263,7 +263,6 @@ typedef struct VideoState {
int video_stream;
AVStream *video_st;
PacketQueue videoq;
int64_t video_current_pos; // current displayed file pos
double max_frame_duration; // maximum duration of a frame - above this, we consider the jump a timestamp discontinuity
#if !CONFIG_AVFILTER
struct SwsContext *img_convert_ctx;
@ -637,6 +636,16 @@ static int frame_queue_nb_remaining(FrameQueue *f)
return f->size - f->rindex_shown;
}
/* return last shown position */
static int64_t frame_queue_last_pos(FrameQueue *f)
{
Frame *fp = &f->queue[f->rindex];
if (f->rindex_shown && fp->serial == f->pktq->serial)
return fp->pos;
else
return -1;
}
static inline void fill_rectangle(SDL_Surface *screen,
int x, int y, int w, int h, int color, int update)
{
@ -1432,7 +1441,6 @@ static void update_video_pts(VideoState *is, double pts, int64_t pos, int serial
/* update current video pts */
set_clock(&is->vidclk, pts, serial);
sync_clock_to_slave(&is->extclk, &is->vidclk);
is->video_current_pos = pos;
}
/* called to display each frame */
@ -1472,7 +1480,6 @@ retry:
if (vp->serial != is->videoq.serial) {
frame_queue_next(&is->pictq);
is->video_current_pos = -1;
redisplay = 0;
goto retry;
}
@ -3385,11 +3392,12 @@ static void event_loop(VideoState *cur_stream)
incr = -60.0;
do_seek:
if (seek_by_bytes) {
if (cur_stream->video_stream >= 0 && cur_stream->video_current_pos >= 0) {
pos = cur_stream->video_current_pos;
} else if (cur_stream->audio_stream >= 0 && cur_stream->audio_pkt.pos >= 0) {
pos = -1;
if (pos < 0 && cur_stream->video_stream >= 0)
pos = frame_queue_last_pos(&cur_stream->pictq);
if (pos < 0 && cur_stream->audio_stream >= 0)
pos = cur_stream->audio_pkt.pos;
} else
if (pos < 0)
pos = avio_tell(cur_stream->ic->pb);
if (cur_stream->ic->bit_rate)
incr *= cur_stream->ic->bit_rate / 8.0;