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ffmpeg
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ffplay: silence buffer size must be a multiple of frame size 

Otherwise the audio channels sometimes would be shifted on output.

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2012-01-09 00:23:12 +01:00
parent 6f06545b26
commit 1348420b8a
1 changed files with 2 additions and 1 deletions
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3
ffplay.c
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@ -2163,6 +2163,7 @@ static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
VideoState *is = opaque;
int audio_size, len1;
int bytes_per_sec;
int frame_size = av_samples_get_buffer_size(NULL, is->audio_tgt_channels, 1, is->audio_tgt_fmt, 1);
double pts;
audio_callback_time = av_gettime();
@ -2173,7 +2174,7 @@ static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
if (audio_size < 0) {
/* if error, just output silence */
is->audio_buf = is->silence_buf;
is->audio_buf_size = sizeof(is->silence_buf);
is->audio_buf_size = sizeof(is->silence_buf) / frame_size * frame_size;
} else {
if (is->show_mode != SHOW_MODE_VIDEO)
update_sample_display(is, (int16_t *)is->audio_buf, audio_size);