[FFmpeg-devel] [PATCH] ffplay: decrease audio_diff_threshold

Marton Balint cus at passwd.hu
Sun Jun 22 17:52:03 CEST 2014


Since audio clock calculations are more accurate now, it is safe to decrease
the sync treshold to compensate the larger buffers caused by less frequent
audio callbacks.

Signed-off-by: Marton Balint <cus at passwd.hu>
---
 ffplay.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ffplay.c b/ffplay.c
index 51f5cc3..7e954fd 100644
--- a/ffplay.c
+++ b/ffplay.c
@@ -2629,7 +2629,7 @@ static int stream_component_open(VideoState *is, int stream_index)
         is->audio_diff_avg_count = 0;
         /* since we do not have a precise anough audio fifo fullness,
            we correct audio sync only if larger than this threshold */
-        is->audio_diff_threshold = 2.0 * is->audio_hw_buf_size / is->audio_tgt.bytes_per_sec;
+        is->audio_diff_threshold = (double)(is->audio_hw_buf_size) / is->audio_tgt.bytes_per_sec;
 
         memset(&is->audio_pkt, 0, sizeof(is->audio_pkt));
         memset(&is->audio_pkt_temp, 0, sizeof(is->audio_pkt_temp));
-- 
1.8.4.5



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