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ffplay: do not update audio clock with old audio pts if current frame is AV_NOPTS_VALUE

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Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2013-07-06 20:47:12 +02:00
parent aa74810fc6
commit 3886572a83
1 changed files with 8 additions and 5 deletions
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13
ffplay.c
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@ -2297,10 +2297,11 @@ static int audio_decode_frame(VideoState *is)
audio_clock0 = is->audio_clock;
/* update the audio clock with the pts */
if (is->frame->pts != AV_NOPTS_VALUE) {
if (is->frame->pts != AV_NOPTS_VALUE)
is->audio_clock = is->frame->pts * av_q2d(tb) + (double) is->frame->nb_samples / is->frame->sample_rate;
is->audio_clock_serial = is->audio_pkt_temp_serial;
}
else
is->audio_clock = NAN;
is->audio_clock_serial = is->audio_pkt_temp_serial;
#ifdef DEBUG
{
static double last_clock;
@ -2374,8 +2375,10 @@ static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
bytes_per_sec = is->audio_tgt.freq * is->audio_tgt.channels * av_get_bytes_per_sample(is->audio_tgt.fmt);
is->audio_write_buf_size = is->audio_buf_size - is->audio_buf_index;
/* Let's assume the audio driver that is used by SDL has two periods. */
set_clock_at(&is->audclk, is->audio_clock - (double)(2 * is->audio_hw_buf_size + is->audio_write_buf_size) / bytes_per_sec, is->audio_clock_serial, audio_callback_time / 1000000.0);
sync_clock_to_slave(&is->extclk, &is->audclk);
if (!isnan(is->audio_clock)) {
set_clock_at(&is->audclk, is->audio_clock - (double)(2 * is->audio_hw_buf_size + is->audio_write_buf_size) / bytes_per_sec, is->audio_clock_serial, audio_callback_time / 1000000.0);
sync_clock_to_slave(&is->extclk, &is->audclk);
}
}
static int audio_open(void *opaque, int64_t wanted_channel_layout, int wanted_nb_channels, int wanted_sample_rate, struct AudioParams *audio_hw_params)