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audio_core: hle: mf: correctly handle stream change

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This commit is contained in:
liushuyu 2019-02-09 16:49:48 -07:00
parent 01e0902fa4
commit f0e041e27a
1 changed files with 12 additions and 7 deletions
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19
src/audio_core/hle/wmf_decoder.cpp
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@ -32,9 +32,7 @@ private:
DWORD out_stream_id = 0;
};
WMFDecoder::Impl::Impl(Memory::MemorySystem& memory) : memory(memory) {
MFCoInit();
}
WMFDecoder::Impl::Impl(Memory::MemorySystem& memory) : memory(memory) {}
WMFDecoder::Impl::~Impl() {
Clear();
@ -67,8 +65,8 @@ std::optional<BinaryResponse> WMFDecoder::Impl::ProcessRequest(const BinaryReque
}
std::optional<BinaryResponse> WMFDecoder::Impl::Initalize(const BinaryRequest& request) {
if (initialized) {
Clear();
if (!initialized) {
MFCoInit();
}
BinaryResponse response;
@ -141,7 +139,7 @@ MFOutputState WMFDecoder::Impl::DecodingLoop(ADTSData adts_header,
// for status = 2, reset MF
if (output_status == MFOutputState::NeedReconfig) {
Clear();
return MFOutputState::FatalError;
return MFOutputState::NeedReconfig;
}
// for status = 3, try again with new buffer
@ -182,6 +180,7 @@ std::optional<BinaryResponse> WMFDecoder::Impl::Decode(const BinaryRequest& requ
std::array<std::vector<u8>, 2> out_streams;
unique_mfptr<IMFSample> sample;
MFInputState input_status = MFInputState::OK;
MFOutputState output_status = MFOutputState::OK;
std::optional<ADTSMeta> adts_meta = DetectMediaType((char*)data, request.size);
if (!adts_meta) {
@ -209,8 +208,9 @@ std::optional<BinaryResponse> WMFDecoder::Impl::Decode(const BinaryRequest& requ
while (true) {
input_status = SendSample(transform.get(), in_stream_id, sample.get());
output_status = DecodingLoop(adts_meta->ADTSHeader, out_streams);
if (DecodingLoop(adts_meta->ADTSHeader, out_streams) == MFOutputState::FatalError) {
if (output_status == MFOutputState::FatalError) {
// if the decode issues are caused by MFT not accepting new samples, try again
// NOTICE: you are required to check the output even if you already knew/guessed
// MFT didn't accept the input sample
@ -221,6 +221,11 @@ std::optional<BinaryResponse> WMFDecoder::Impl::Decode(const BinaryRequest& requ
LOG_ERROR(Audio_DSP, "Errors occurred when receiving output");
return response;
} else if (output_status == MFOutputState::NeedReconfig) {
// re-initialize the whole thing to adapt to new parameters
this->Initalize(request);
// decode again
return this->Decode(request);
}
break; // jump out of the loop if at least we don't have obvious issues