diff options
Diffstat (limited to 'dom')
| -rw-r--r-- | dom/media/fmp4/MP4Demuxer.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/dom/media/fmp4/MP4Demuxer.cpp b/dom/media/fmp4/MP4Demuxer.cpp index 70b176699..646897468 100644 --- a/dom/media/fmp4/MP4Demuxer.cpp +++ b/dom/media/fmp4/MP4Demuxer.cpp @@ -349,8 +349,13 @@ MP4TrackDemuxer::GetNextSample() if (sample->mCrypto.mValid) { nsAutoPtr<MediaRawDataWriter> writer(sample->CreateWriter()); writer->mCrypto.mMode = mInfo->mCrypto.mMode; - writer->mCrypto.mIVSize = mInfo->mCrypto.mIVSize; - writer->mCrypto.mKeyId.AppendElements(mInfo->mCrypto.mKeyId); + + // Only use the default key parsed from the moov if we haven't already got + // one from the sample group description. + if (writer->mCrypto.mKeyId.Length() == 0) { + writer->mCrypto.mIVSize = mInfo->mCrypto.mIVSize; + writer->mCrypto.mKeyId.AppendElements(mInfo->mCrypto.mKeyId); + } } return sample.forget(); } |