[FFmpeg-cvslog] flacdec: don't call allocate_buffers() in init_thread_copy() when s-> max_blocksize is 0

[Paul B Mahol]

ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Thu Jun  6 01:00:56 2013 +0000| [a28f4fd1ea45821100032403ebdac1c164b10007] | committer: Paul B Mahol

flacdec: don't call allocate_buffers() in init_thread_copy() when s->max_blocksize is 0

This is normal, and happens when no extradata was available at decoder
initialization.

Signed-off-by: Paul B Mahol <onemda at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a28f4fd1ea45821100032403ebdac1c164b10007
---

 libavcodec/flacdec.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libavcodec/flacdec.c b/libavcodec/flacdec.c
index a7303d6..22f6651 100644
--- a/libavcodec/flacdec.c
+++ b/libavcodec/flacdec.c
@@ -574,7 +574,9 @@ static int init_thread_copy(AVCodecContext *avctx)
     FLACContext *s = avctx->priv_data;
     s->decoded_buffer = NULL;
     s->decoded_buffer_size = 0;
-    return allocate_buffers(s);
+    if (s->max_blocksize)
+        return allocate_buffers(s);
+    return 0;
 }
 
 static av_cold int flac_decode_close(AVCodecContext *avctx)