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-rw-r--r--dom/media/platforms/ffmpeg/FFmpegDataDecoder.cpp18
1 files changed, 15 insertions, 3 deletions
diff --git a/dom/media/platforms/ffmpeg/FFmpegDataDecoder.cpp b/dom/media/platforms/ffmpeg/FFmpegDataDecoder.cpp
index 8cb5c8578..8655ce25f 100644
--- a/dom/media/platforms/ffmpeg/FFmpegDataDecoder.cpp
+++ b/dom/media/platforms/ffmpeg/FFmpegDataDecoder.cpp
@@ -69,12 +69,21 @@ FFmpegDataDecoder<LIBAV_VER>::InitDecoder()
mCodecContext->extradata_size = mExtraData->Length();
// FFmpeg may use SIMD instructions to access the data which reads the
// data in 32 bytes block. Must ensure we have enough data to read.
+ uint32_t padding_size =
#if LIBAVCODEC_VERSION_MAJOR >= 58
- mExtraData->AppendElements(AV_INPUT_BUFFER_PADDING_SIZE);
+ AV_INPUT_BUFFER_PADDING_SIZE;
#else
- mExtraData->AppendElements(FF_INPUT_BUFFER_PADDING_SIZE);
+ FF_INPUT_BUFFER_PADDING_SIZE;
#endif
- mCodecContext->extradata = mExtraData->Elements();
+ mCodecContext->extradata = static_cast<uint8_t*>(
+ mLib->av_malloc(mExtraData->Length() + padding_size));
+ if (!mCodecContext->extradata) {
+ return MediaResult(NS_ERROR_OUT_OF_MEMORY,
+ RESULT_DETAIL("Couldn't init ffmpeg extradata"));
+ }
+ memcpy(mCodecContext->extradata,
+ mExtraData->Elements(),
+ mExtraData->Length());
} else {
mCodecContext->extradata_size = 0;
}
@@ -165,6 +174,9 @@ FFmpegDataDecoder<LIBAV_VER>::ProcessShutdown()
StaticMutexAutoLock mon(sMonitor);
if (mCodecContext) {
+ if (mCodecContext->extradata) {
+ mLib->av_freep(&mCodecContext->extradata);
+ }
mLib->avcodec_close(mCodecContext);
mLib->av_freep(&mCodecContext);
#if LIBAVCODEC_VERSION_MAJOR >= 55