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Code Issues Releases Activity

Fix timebase handling at the begin and at the end of the ffplay video

Browse Source 
filterchain.

Set timebase in the ffplay input, and make get_filtered_video_frame()
rescale the output frames PTSes according to their timebase.

Originally committed as revision 25450 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2010-10-12 18:40:16 +00:00
parent 610312e904
commit 387b4ac993
1 changed files with 15 additions and 2 deletions
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17
ffplay.c
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@ -1755,6 +1755,7 @@ static int input_config_props(AVFilterLink *link)
link->w = c->width;
link->h = c->height;
link->time_base = priv->is->video_st->time_base;
return 0;
}
@ -1791,7 +1792,7 @@ static int output_query_formats(AVFilterContext *ctx)
}
static int get_filtered_video_frame(AVFilterContext *ctx, AVFrame *frame,
int64_t *pts, int64_t *pos)
int64_t *pts, AVRational *tb, int64_t *pos)
{
AVFilterBufferRef *pic;
@ -1804,6 +1805,7 @@ static int get_filtered_video_frame(AVFilterContext *ctx, AVFrame *frame,
frame->opaque = pic;
*pts = pic->pts;
*pos = pic->pos;
*tb = ctx->inputs[0]->time_base;
memcpy(frame->data, pic->data, sizeof(frame->data));
memcpy(frame->linesize, pic->linesize, sizeof(frame->linesize));
@ -1882,11 +1884,22 @@ static int video_thread(void *arg)
for(;;) {
#if !CONFIG_AVFILTER
AVPacket pkt;
#else
AVRational tb;
#endif
while (is->paused && !is->videoq.abort_request)
SDL_Delay(10);
#if CONFIG_AVFILTER
ret = get_filtered_video_frame(filt_out, frame, &pts_int, &pos);
ret = get_filtered_video_frame(filt_out, frame, &pts_int, &tb, &pos);
if (av_cmp_q(tb, is->video_st->time_base)) {
int64_t pts1 = pts_int;
pts_int = av_rescale_q(pts_int, tb, is->video_st->time_base);
av_log(NULL, AV_LOG_DEBUG, "video_thread(): "
"tb:%d/%d pts:%"PRId64" -> tb:%d/%d pts:%"PRId64"\n",
tb.num, tb.den, pts1,
is->video_st->time_base.num, is->video_st->time_base.den, pts_int);
}
#else
ret = get_video_frame(is, frame, &pts_int, &pkt);
#endif