ffmpeg | branch: release/2.8 | Matt Wolenetz <wolen...@google.com> | Tue Apr 10 
13:59:25 2018 -0700| [54bde32f37fd69c556c1c65047f9d27c2a6da229] | committer: 
Michael Niedermayer

lavc/libopusdec: Allow avcodec_open2 to call .close

If there is a decoder initialization failure detected in avcodec_open2
after .init is called, allow graceful decoder .close to prevent leaking
libopus decoder allocations.

BUG=828526

Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
(cherry picked from commit e43e97f0e0f0596b56ceb2f887fe7414f202f081)
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=54bde32f37fd69c556c1c65047f9d27c2a6da229
---

 libavcodec/libopusdec.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libavcodec/libopusdec.c b/libavcodec/libopusdec.c
index 7a198c46a0..4b8167d394 100644
--- a/libavcodec/libopusdec.c
+++ b/libavcodec/libopusdec.c
@@ -125,7 +125,10 @@ static av_cold int libopus_decode_close(AVCodecContext 
*avc)
 {
     struct libopus_context *opus = avc->priv_data;
 
-    opus_multistream_decoder_destroy(opus->dec);
+    if (opus->dec) {
+        opus_multistream_decoder_destroy(opus->dec);
+        opus->dec = NULL;
+    }
     return 0;
 }
 
@@ -199,6 +202,7 @@ AVCodec ff_libopus_decoder = {
     .decode         = libopus_decode,
     .flush          = libopus_flush,
     .capabilities   = AV_CODEC_CAP_DR1,
+    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
     .sample_fmts    = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_FLT,
                                                      AV_SAMPLE_FMT_S16,
                                                      AV_SAMPLE_FMT_NONE },

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