[libav-devel] [PATCH 55/57] avplay: use a separate buffer for playing silence

[Justin Ruggles]

---
 avplay.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/avplay.c b/avplay.c
index 556c463..1005cba 100644
--- a/avplay.c
+++ b/avplay.c
@@ -157,6 +157,7 @@ typedef struct VideoState {
        compensation */
     DECLARE_ALIGNED(16,uint8_t,audio_buf1)[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) 
/ 2];
     DECLARE_ALIGNED(16,uint8_t,audio_buf2)[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) 
/ 2];
+    uint8_t silence_buf[SDL_AUDIO_BUFFER_SIZE];
     uint8_t *audio_buf;
     unsigned int audio_buf_size; /* in bytes */
     int audio_buf_index; /* in bytes */
@@ -2129,9 +2130,8 @@ static void sdl_audio_callback(void *opaque, Uint8 
*stream, int len)
            audio_size = audio_decode_frame(is, &pts);
            if (audio_size < 0) {
                 /* if error, just output silence */
-               is->audio_buf = is->audio_buf1;
-               is->audio_buf_size = 1024;
-               memset(is->audio_buf, 0, is->audio_buf_size);
+               is->audio_buf      = is->silence_buf;
+               is->audio_buf_size = SDL_AUDIO_BUFFER_SIZE;
            } else {
                if (is->show_audio)
                    update_sample_display(is, (int16_t *)is->audio_buf, 
audio_size);
-- 
1.7.1

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