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Media Foundation Memory Fix 

* audio_core: hle: mf: more smart pointers

* audio_core: hle: mf: fix memory leaks

* audio_core: hle: mf: even more smart pointers
This commit is contained in:
liushuyu 2019-01-14 14:27:43 -07:00 committed by B3N30
parent b1638b31a0
commit ea8a1f8754
3 changed files with 41 additions and 36 deletions
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17
src/audio_core/hle/wmf_decoder.cpp
View File

@ -27,7 +27,7 @@ private:
Memory::MemorySystem& memory;
std::unique_ptr<IMFTransform, MFRelease<IMFTransform>> transform;
unique_mfptr<IMFTransform> transform;
DWORD in_stream_id = 0;
DWORD out_stream_id = 0;
};
@ -108,14 +108,17 @@ int WMFDecoder::Impl::DecodingLoop(ADTSData adts_header,
MFOutputState output_status = OK;
char* output_buffer = nullptr;
DWORD output_len = 0;
IMFSample* output = nullptr;
DWORD tmp = 0;
// IMFSample* output_tmp = nullptr;
IMFMediaBuffer* mdbuf = nullptr;
unique_mfptr<IMFSample> output;
while (true) {
output_status = ReceiveSample(transform.get(), out_stream_id, &output);
auto [output_status, output] = ReceiveSample(transform.get(), out_stream_id);
// 0 -> okay; 3 -> okay but more data available (buffer too small)
if (output_status == OK || output_status == HAVE_MORE_DATA) {
CopySampleToBuffer(output, (void**)&output_buffer, &output_len);
CopySampleToBuffer(output.get(), (void**)&output_buffer, &output_len);
// the following was taken from ffmpeg version of the decoder
f32 val_f32;
@ -178,7 +181,7 @@ std::optional<BinaryResponse> WMFDecoder::Impl::Decode(const BinaryRequest& requ
u8* data = memory.GetFCRAMPointer(request.src_addr - Memory::FCRAM_PADDR);
std::array<std::vector<u8>, 2> out_streams;
IMFSample* sample = nullptr;
unique_mfptr<IMFSample> sample;
ADTSData adts_header;
char* aac_tag = (char*)calloc(1, 14);
int input_status = 0;
@ -202,11 +205,11 @@ std::optional<BinaryResponse> WMFDecoder::Impl::Decode(const BinaryRequest& requ
selected = true;
}
sample = CreateSample((void*)data, request.size, 1, 0);
sample.reset(CreateSample((void*)data, request.size, 1, 0));
sample->SetUINT32(MFSampleExtension_CleanPoint, 1);
while (true) {
input_status = SendSample(transform.get(), in_stream_id, sample);
input_status = SendSample(transform.get(), in_stream_id, sample.get());
if (DecodingLoop(adts_header, out_streams) < 0) {
// if the decode issues are caused by MFT not accepting new samples, try again

53
src/audio_core/hle/wmf_decoder_utils.cpp
View File

@ -79,7 +79,8 @@ void MFDeInit(IMFTransform* transform) {
IMFSample* CreateSample(void* data, DWORD len, DWORD alignment, LONGLONG duration) {
HRESULT hr = S_OK;
IMFMediaBuffer* buf = nullptr;
IMFMediaBuffer* buf_tmp = nullptr;
unique_mfptr<IMFMediaBuffer> buf;
IMFSample* sample = nullptr;
hr = MFCreateSample(&sample);
@ -88,11 +89,12 @@ IMFSample* CreateSample(void* data, DWORD len, DWORD alignment, LONGLONG duratio
return nullptr;
}
// Yes, the argument for alignment is the actual alignment - 1
hr = MFCreateAlignedMemoryBuffer(len, alignment - 1, &buf);
hr = MFCreateAlignedMemoryBuffer(len, alignment - 1, &buf_tmp);
if (FAILED(hr)) {
ReportError("Unable to allocate a memory buffer for sample", hr);
return nullptr;
}
buf.reset(buf_tmp);
if (data) {
BYTE* buffer;
// lock the MediaBuffer
@ -100,7 +102,7 @@ IMFSample* CreateSample(void* data, DWORD len, DWORD alignment, LONGLONG duratio
hr = buf->Lock(&buffer, nullptr, nullptr);
if (FAILED(hr)) {
SafeRelease(&sample);
SafeRelease(&buf);
buf.reset();
return nullptr;
}
@ -110,9 +112,8 @@ IMFSample* CreateSample(void* data, DWORD len, DWORD alignment, LONGLONG duratio
buf->Unlock();
}
sample->AddBuffer(buf);
sample->AddBuffer(buf.get());
hr = sample->SetSampleDuration(duration);
SafeRelease(&buf);
return sample;
}
@ -260,59 +261,55 @@ int SendSample(IMFTransform* transform, DWORD in_stream_id, IMFSample* in_sample
return 0;
}
MFOutputState ReceiveSample(IMFTransform* transform, DWORD out_stream_id, IMFSample** out_sample) {
std::tuple<MFOutputState, unique_mfptr<IMFSample>> ReceiveSample(IMFTransform* transform,
DWORD out_stream_id) {
HRESULT hr;
MFT_OUTPUT_DATA_BUFFER out_buffers;
IMFSample* sample = nullptr;
IMFSample* sample_tmp = nullptr;
MFT_OUTPUT_STREAM_INFO out_info;
DWORD status = 0;
unique_mfptr<IMFSample> sample;
bool mft_create_sample = false;
if (!out_sample) {
ReportError("nullptr pointer passed to receive_sample()", MF_E_SAMPLE_NOT_WRITABLE);
return FATAL_ERROR;
}
hr = transform->GetOutputStreamInfo(out_stream_id, &out_info);
if (FAILED(hr)) {
ReportError("MFT: Failed to get stream info", hr);
return FATAL_ERROR;
return std::make_tuple(FATAL_ERROR, std::move(sample));
}
mft_create_sample = (out_info.dwFlags & MFT_OUTPUT_STREAM_PROVIDES_SAMPLES) ||
(out_info.dwFlags & MFT_OUTPUT_STREAM_CAN_PROVIDE_SAMPLES);
while (true) {
sample = nullptr;
*out_sample = nullptr;
status = 0;
if (!mft_create_sample) {
sample = CreateSample(nullptr, out_info.cbSize, out_info.cbAlignment);
if (!sample) {
sample_tmp = CreateSample(nullptr, out_info.cbSize, out_info.cbAlignment);
if (!sample_tmp) {
ReportError("MFT: Unable to allocate memory for samples", hr);
return FATAL_ERROR;
return std::make_tuple(FATAL_ERROR, std::move(sample));
}
sample.reset(sample_tmp);
}
out_buffers.dwStreamID = out_stream_id;
out_buffers.pSample = sample;
out_buffers.pSample = sample.get();
hr = transform->ProcessOutput(0, 1, &out_buffers, &status);
if (!FAILED(hr)) {
*out_sample = out_buffers.pSample;
break;
}
if (hr == MF_E_TRANSFORM_NEED_MORE_INPUT) {
// Most likely reasons: data corrupted; your actions not expected by MFT
return NEED_MORE_INPUT;
return std::make_tuple(NEED_MORE_INPUT, std::move(sample));
}
if (hr == MF_E_TRANSFORM_STREAM_CHANGE) {
ReportError("MFT: stream format changed, re-configuration required", hr);
return NEED_RECONFIG;
return std::make_tuple(NEED_RECONFIG, std::move(sample));
}
break;
@ -320,19 +317,19 @@ MFOutputState ReceiveSample(IMFTransform* transform, DWORD out_stream_id, IMFSam
if (out_buffers.dwStatus & MFT_OUTPUT_DATA_BUFFER_INCOMPLETE) {
// this status is also unreliable but whatever
return HAVE_MORE_DATA;
return std::make_tuple(HAVE_MORE_DATA, std::move(sample));
}
if (*out_sample == nullptr) {
if (out_buffers.pSample == nullptr) {
ReportError("MFT: decoding failure", hr);
return FATAL_ERROR;
return std::make_tuple(FATAL_ERROR, std::move(sample));
}
return OK;
return std::make_tuple(OK, std::move(sample));
}
int CopySampleToBuffer(IMFSample* sample, void** output, DWORD* len) {
std::unique_ptr<IMFMediaBuffer, MFRelease<IMFMediaBuffer>> buffer;
unique_mfptr<IMFMediaBuffer> buffer;
IMFMediaBuffer* tmp;
HRESULT hr = S_OK;
BYTE* data;
@ -343,14 +340,14 @@ int CopySampleToBuffer(IMFSample* sample, void** output, DWORD* len) {
return -1;
}
sample->ConvertToContiguousBuffer(&tmp);
hr = sample->ConvertToContiguousBuffer(&tmp);
if (FAILED(hr)) {
ReportError("Failed to get sample buffer", hr);
return -1;
}
buffer.reset(tmp);
hr = buffer->Lock(&data, nullptr, nullptr);
hr = tmp->Lock(&data, nullptr, nullptr);
if (FAILED(hr)) {
ReportError("Failed to lock the buffer", hr);
return -1;

7
src/audio_core/hle/wmf_decoder_utils.h
View File

@ -16,6 +16,7 @@
#include <iostream>
#include <string>
#include <tuple>
#include "adts.h"
@ -37,6 +38,9 @@ struct MFRelease {
};
};
template <typename T>
using unique_mfptr = std::unique_ptr<T, MFRelease<T>>;
void ReportError(std::string msg, HRESULT hr);
// exported functions
@ -52,5 +56,6 @@ bool SelectOutputMediaType(IMFTransform* transform, int out_stream_id,
GUID audio_format = MFAudioFormat_PCM);
void MFFlush(IMFTransform* transform);
int SendSample(IMFTransform* transform, DWORD in_stream_id, IMFSample* in_sample);
MFOutputState ReceiveSample(IMFTransform* transform, DWORD out_stream_id, IMFSample** out_sample);
std::tuple<MFOutputState, unique_mfptr<IMFSample>> ReceiveSample(IMFTransform* transform,
DWORD out_stream_id);
int CopySampleToBuffer(IMFSample* sample, void** output, DWORD* len);