Module: libav
Branch: release/11
Commit: 431f57f0467244686ae63a3d06a8cf51f60090ed

Author:    Vittorio Giovara <[email protected]>
Committer: Luca Barbato <[email protected]>
Date:      Tue Nov 11 13:26:55 2014 +0100

libopusenc: prevent an out-of-bounds read by returning early

CC: [email protected]
Bug-Id: CID 1244188
(cherry picked from commit 8dd0a2c5cf40a8a49faae985adc11750b6429132)
Signed-off-by: Luca Barbato <[email protected]>

---

 libavcodec/libopusenc.c |    7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/libavcodec/libopusenc.c b/libavcodec/libopusenc.c
index 9af8bcd..8f75466 100644
--- a/libavcodec/libopusenc.c
+++ b/libavcodec/libopusenc.c
@@ -163,10 +163,11 @@ static int av_cold libopus_encode_init(AVCodecContext 
*avctx)
 
     /* FIXME: Opus can handle up to 255 channels. However, the mapping for
      * anything greater than 8 is undefined. */
-    if (avctx->channels > 8)
-        av_log(avctx, AV_LOG_WARNING,
+    if (avctx->channels > 8) {
+        av_log(avctx, AV_LOG_ERROR,
                "Channel layout undefined for %d channels.\n", avctx->channels);
-
+        return AVERROR_PATCHWELCOME;
+    }
     if (!avctx->bit_rate) {
         /* Sane default copied from opusenc */
         avctx->bit_rate = 64000 * opus->stream_count +

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