[FFmpeg-cvslog] aacsbr: silence message for SBR extension "padding".

[Reimar Döffinger]

ffmpeg | branch: master | Reimar Döffinger <Reimar.Doeffinger at gmx.de> | Mon Apr  9 21:19:30 2012 +0200| [8c1ce7787ad7af8fc321b4a145e9dc965f6d0e86] | committer: Alex Converse

aacsbr: silence message for SBR extension "padding".

Some files contain a few additional, all-0 bits.
Check for that case and don't print incorrect "not supported"
message.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger at gmx.de>
Signed-off-by: Alex Converse <alex.converse at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8c1ce7787ad7af8fc321b4a145e9dc965f6d0e86
---

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

diff --git a/libavcodec/aacsbr.c b/libavcodec/aacsbr.c
index 52ebe65..3da8a5b 100644
--- a/libavcodec/aacsbr.c
+++ b/libavcodec/aacsbr.c
@@ -929,7 +929,9 @@ static void read_sbr_extension(AACContext *ac, SpectralBandReplication *sbr,
         }
         break;
     default:
-        avpriv_request_sample(ac->avctx, "Reserved SBR extensions");
+        // some files contain 0-padding
+        if (bs_extension_id || *num_bits_left > 16 || show_bits(gb, *num_bits_left))
+            avpriv_request_sample(ac->avctx, "Reserved SBR extensions");
         skip_bits_long(gb, *num_bits_left); // bs_fill_bits
         *num_bits_left = 0;
         break;