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mediandk for android (#4921)

This commit is contained in:
zhang wei 2020-03-17 10:07:22 +08:00 committed by GitHub
parent 590099a17a
commit 3410b96400
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 275 additions and 1 deletions
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9
src/audio_core/CMakeLists.txt
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@ -71,6 +71,14 @@ elseif(ENABLE_FDK)
target_compile_definitions(audio_core PUBLIC HAVE_FDK) target_compile_definitions(audio_core PUBLIC HAVE_FDK)
endif() endif()
if(ANDROID)
target_sources(audio_core PRIVATE
hle/mediandk_decoder.cpp
hle/mediandk_decoder.h
)
target_link_libraries(audio_core PRIVATE mediandk)
endif()
if(SDL2_FOUND) if(SDL2_FOUND)
target_link_libraries(audio_core PRIVATE SDL2) target_link_libraries(audio_core PRIVATE SDL2)
target_compile_definitions(audio_core PRIVATE HAVE_SDL2) target_compile_definitions(audio_core PRIVATE HAVE_SDL2)
@ -80,4 +88,3 @@ if(ENABLE_CUBEB)
target_link_libraries(audio_core PRIVATE cubeb) target_link_libraries(audio_core PRIVATE cubeb)
target_compile_definitions(audio_core PUBLIC HAVE_CUBEB) target_compile_definitions(audio_core PUBLIC HAVE_CUBEB)
endif() endif()

4
src/audio_core/hle/hle.cpp
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@ -7,6 +7,8 @@
#include "audio_core/hle/wmf_decoder.h" #include "audio_core/hle/wmf_decoder.h"
#elif HAVE_FFMPEG #elif HAVE_FFMPEG
#include "audio_core/hle/ffmpeg_decoder.h" #include "audio_core/hle/ffmpeg_decoder.h"
#elif ANDROID
#include "audio_core/hle/mediandk_decoder.h"
#elif HAVE_FDK #elif HAVE_FDK
#include "audio_core/hle/fdk_decoder.h" #include "audio_core/hle/fdk_decoder.h"
#endif #endif
@ -99,6 +101,8 @@ DspHle::Impl::Impl(DspHle& parent_, Memory::MemorySystem& memory) : parent(paren
decoder = std::make_unique<HLE::WMFDecoder>(memory); decoder = std::make_unique<HLE::WMFDecoder>(memory);
#elif defined(HAVE_FFMPEG) #elif defined(HAVE_FFMPEG)
decoder = std::make_unique<HLE::FFMPEGDecoder>(memory); decoder = std::make_unique<HLE::FFMPEGDecoder>(memory);
#elif ANDROID
decoder = std::make_unique<HLE::MediaNDKDecoder>(memory);
#elif defined(HAVE_FDK) #elif defined(HAVE_FDK)
decoder = std::make_unique<HLE::FDKDecoder>(memory); decoder = std::make_unique<HLE::FDKDecoder>(memory);
#else #else

241
src/audio_core/hle/mediandk_decoder.cpp Normal file
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@ -0,0 +1,241 @@
// Copyright 2019 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <media/NdkMediaCodec.h>
#include <media/NdkMediaError.h>
#include <media/NdkMediaFormat.h>
#include <memory>
#include <vector>
#include "audio_core/hle/adts.h"
#include "audio_core/hle/mediandk_decoder.h"
namespace AudioCore::HLE {
struct AMediaCodecRelease {
void operator()(AMediaCodec* codec) const {
AMediaCodec_stop(codec);
AMediaCodec_delete(codec);
};
};
class MediaNDKDecoder::Impl {
public:
explicit Impl(Memory::MemorySystem& memory);
~Impl();
std::optional<BinaryResponse> ProcessRequest(const BinaryRequest& request);
bool SetMediaType(const ADTSData& adts_data);
private:
std::optional<BinaryResponse> Initalize(const BinaryRequest& request);
std::optional<BinaryResponse> Decode(const BinaryRequest& request);
Memory::MemorySystem& mMemory;
std::unique_ptr<AMediaCodec, AMediaCodecRelease> mDecoder;
// default: 2 channles, 48000 samplerate
ADTSData mADTSData{/* MPEG2 */ false, /*profile*/ 2, /*channels*/ 2,
/*channel_idx*/ 2, /*framecount*/ 0, /*samplerate_idx*/ 3,
/*length*/ 0, /*samplerate*/ 48000};
};
MediaNDKDecoder::Impl::Impl(Memory::MemorySystem& memory) : mMemory(memory) {
SetMediaType(mADTSData);
}
MediaNDKDecoder::Impl::~Impl() = default;
std::optional<BinaryResponse> MediaNDKDecoder::Impl::Initalize(const BinaryRequest& request) {
BinaryResponse response;
std::memcpy(&response, &request, sizeof(response));
response.unknown1 = 0x0;
return response;
}
bool MediaNDKDecoder::Impl::SetMediaType(const ADTSData& adts_data) {
const char* mime = "audio/mp4a-latm";
if (mDecoder && mADTSData.profile == adts_data.profile &&
mADTSData.channel_idx == adts_data.channel_idx &&
mADTSData.samplerate_idx == adts_data.samplerate_idx) {
return true;
}
mDecoder.reset(AMediaCodec_createDecoderByType(mime));
if (mDecoder == nullptr) {
return false;
}
u8 csd_0[2];
csd_0[0] = static_cast<u8>((adts_data.profile << 3) | (adts_data.samplerate_idx >> 1));
csd_0[1] =
static_cast<u8>(((adts_data.samplerate_idx << 7) & 0x80) | (adts_data.channel_idx << 3));
AMediaFormat* format = AMediaFormat_new();
AMediaFormat_setString(format, AMEDIAFORMAT_KEY_MIME, mime);
AMediaFormat_setInt32(format, AMEDIAFORMAT_KEY_SAMPLE_RATE, adts_data.samplerate);
AMediaFormat_setInt32(format, AMEDIAFORMAT_KEY_CHANNEL_COUNT, adts_data.channels);
AMediaFormat_setInt32(format, AMEDIAFORMAT_KEY_IS_ADTS, 1);
AMediaFormat_setBuffer(format, "csd-0", csd_0, sizeof(csd_0));
media_status_t status = AMediaCodec_configure(mDecoder.get(), format, NULL, NULL, 0);
if (status != AMEDIA_OK) {
AMediaFormat_delete(format);
mDecoder.reset();
return false;
}
status = AMediaCodec_start(mDecoder.get());
if (status != AMEDIA_OK) {
AMediaFormat_delete(format);
mDecoder.reset();
return false;
}
AMediaFormat_delete(format);
mADTSData = adts_data;
return true;
}
std::optional<BinaryResponse> MediaNDKDecoder::Impl::ProcessRequest(const BinaryRequest& request) {
if (request.codec != DecoderCodec::AAC) {
LOG_ERROR(Audio_DSP, "AAC Decoder cannot handle such codec: {}",
static_cast<u16>(request.codec));
return {};
}
switch (request.cmd) {
case DecoderCommand::Init: {
return Initalize(request);
}
case DecoderCommand::Decode: {
return Decode(request);
}
case DecoderCommand::Unknown: {
BinaryResponse response;
std::memcpy(&response, &request, sizeof(response));
response.unknown1 = 0x0;
return response;
}
default:
LOG_ERROR(Audio_DSP, "Got unknown binary request: {}", static_cast<u16>(request.cmd));
return {};
}
}
std::optional<BinaryResponse> MediaNDKDecoder::Impl::Decode(const BinaryRequest& request) {
BinaryResponse response;
response.codec = request.codec;
response.cmd = request.cmd;
response.size = request.size;
response.num_samples = 1024;
if (request.src_addr < Memory::FCRAM_PADDR ||
request.src_addr + request.size > Memory::FCRAM_PADDR + Memory::FCRAM_SIZE) {
LOG_ERROR(Audio_DSP, "Got out of bounds src_addr {:08x}", request.src_addr);
return response;
}
u8* data = mMemory.GetFCRAMPointer(request.src_addr - Memory::FCRAM_PADDR);
ADTSData adts_data = ParseADTS(reinterpret_cast<const char*>(data));
SetMediaType(adts_data);
response.num_channels = adts_data.channels;
if (!mDecoder) {
LOG_ERROR(Audio_DSP, "Missing decoder for profile: {}, channels: {}, samplerate: {}",
adts_data.profile, adts_data.channels, adts_data.samplerate);
return {};
}
// input
constexpr int timeout = 160;
std::size_t buffer_size = 0;
u8* buffer = nullptr;
ssize_t buffer_index = AMediaCodec_dequeueInputBuffer(mDecoder.get(), timeout);
if (buffer_index < 0) {
LOG_ERROR(Audio_DSP, "Failed to enqueue the input samples: {}", buffer_index);
return response;
}
buffer = AMediaCodec_getInputBuffer(mDecoder.get(), buffer_index, &buffer_size);
if (buffer_size < request.size) {
return response;
}
std::memcpy(buffer, data, request.size);
media_status_t status =
AMediaCodec_queueInputBuffer(mDecoder.get(), buffer_index, 0, request.size, 0, 0);
if (status != AMEDIA_OK) {
LOG_WARNING(Audio_DSP, "Try queue input buffer again later!");
return response;
}
// output
AMediaCodecBufferInfo info;
std::array<std::vector<u16>, 2> out_streams;
buffer_index = AMediaCodec_dequeueOutputBuffer(mDecoder.get(), &info, timeout);
switch (buffer_index) {
case AMEDIACODEC_INFO_TRY_AGAIN_LATER:
LOG_WARNING(Audio_DSP, "Failed to dequeue output buffer: timeout!");
break;
case AMEDIACODEC_INFO_OUTPUT_BUFFERS_CHANGED:
LOG_WARNING(Audio_DSP, "Failed to dequeue output buffer: buffers changed!");
break;
case AMEDIACODEC_INFO_OUTPUT_FORMAT_CHANGED: {
AMediaFormat* format = AMediaCodec_getOutputFormat(mDecoder.get());
LOG_WARNING(Audio_DSP, "output format: {}", AMediaFormat_toString(format));
AMediaFormat_delete(format);
buffer_index = AMediaCodec_dequeueOutputBuffer(mDecoder.get(), &info, timeout);
}
default: {
int offset = info.offset;
buffer = AMediaCodec_getOutputBuffer(mDecoder.get(), buffer_index, &buffer_size);
while (offset < info.size) {
for (int channel = 0; channel < response.num_channels; channel++) {
u16 pcm_data;
std::memcpy(&pcm_data, buffer + offset, sizeof(pcm_data));
out_streams[channel].push_back(pcm_data);
offset += sizeof(pcm_data);
}
}
AMediaCodec_releaseOutputBuffer(mDecoder.get(), buffer_index, info.size != 0);
}
}
// transfer the decoded buffer from vector to the FCRAM
size_t stream0_size = out_streams[0].size() * sizeof(u16);
if (stream0_size != 0) {
if (request.dst_addr_ch0 < Memory::FCRAM_PADDR ||
request.dst_addr_ch0 + stream0_size >
Memory::FCRAM_PADDR + Memory::FCRAM_SIZE) {
LOG_ERROR(Audio_DSP, "Got out of bounds dst_addr_ch0 {:08x}", request.dst_addr_ch0);
return response;
}
std::memcpy(mMemory.GetFCRAMPointer(request.dst_addr_ch0 - Memory::FCRAM_PADDR),
out_streams[0].data(), stream0_size);
}
size_t stream1_size = out_streams[1].size() * sizeof(u16);
if (stream1_size != 0) {
if (request.dst_addr_ch1 < Memory::FCRAM_PADDR ||
request.dst_addr_ch1 + stream1_size >
Memory::FCRAM_PADDR + Memory::FCRAM_SIZE) {
LOG_ERROR(Audio_DSP, "Got out of bounds dst_addr_ch1 {:08x}", request.dst_addr_ch1);
return response;
}
std::memcpy(mMemory.GetFCRAMPointer(request.dst_addr_ch1 - Memory::FCRAM_PADDR),
out_streams[1].data(), stream1_size);
}
return response;
}
MediaNDKDecoder::MediaNDKDecoder(Memory::MemorySystem& memory)
: impl(std::make_unique<Impl>(memory)) {}
MediaNDKDecoder::~MediaNDKDecoder() = default;
std::optional<BinaryResponse> MediaNDKDecoder::ProcessRequest(const BinaryRequest& request) {
return impl->ProcessRequest(request);
}
bool MediaNDKDecoder::IsValid() const {
return true;
}
} // namespace AudioCore::HLE

22
src/audio_core/hle/mediandk_decoder.h Normal file
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@ -0,0 +1,22 @@
// Copyright 2019 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "audio_core/hle/decoder.h"
namespace AudioCore::HLE {
class MediaNDKDecoder final : public DecoderBase {
public:
explicit MediaNDKDecoder(Memory::MemorySystem& memory);
~MediaNDKDecoder() override;
std::optional<BinaryResponse> ProcessRequest(const BinaryRequest& request) override;
bool IsValid() const override;
private:
class Impl;
std::unique_ptr<Impl> impl;
};
} // namespace AudioCore::HLE