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29 lines
1.0 KiB
C++
29 lines
1.0 KiB
C++
#include "MediaDecoder.h"
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#include "MediaDecoderReader.h"
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#include "MediaDecoderStateMachine.h"
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namespace mozilla {
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class MediaOmxStateMachine : public MediaDecoderStateMachine
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{
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public:
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MediaOmxStateMachine(MediaDecoder *aDecoder,
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MediaDecoderReader *aReader,
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bool aRealTime = false)
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: MediaDecoderStateMachine(aDecoder, aReader, aRealTime) { }
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protected:
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// Due to a bug in the OMX.qcom.video.decoder.mpeg4 decoder, we can't own too
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// many video buffers before shutting down the decoder. When we release these
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// buffers, they asynchronously signal to OMXCodec that we have returned
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// ownership of the buffer.
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// If this signal happens while the OMXCodec is shutting down, OMXCodec will
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// crash. If the OMXCodec shuts down before all buffers are returned,
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// OMXCodec will crash.
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// So we need few enough buffers in the queue that all buffers will be
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// returned before OMXCodec begins shutdown.
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uint32_t GetAmpleVideoFrames() { return 3; }
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};
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} // namespace mozilla
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