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Merge pull request #2224 from lioncash/opus
hwopus: Leverage multistream API for decoding regular Opus packets
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commit
723ad4512f
@ -8,6 +8,7 @@
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#include <vector>
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#include <opus.h>
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#include <opus_multistream.h>
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#include "common/assert.h"
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#include "common/logging/log.h"
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@ -18,12 +19,12 @@
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namespace Service::Audio {
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namespace {
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struct OpusDeleter {
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void operator()(void* ptr) const {
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operator delete(ptr);
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void operator()(OpusMSDecoder* ptr) const {
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opus_multistream_decoder_destroy(ptr);
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}
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};
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using OpusDecoderPtr = std::unique_ptr<OpusDecoder, OpusDeleter>;
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using OpusDecoderPtr = std::unique_ptr<OpusMSDecoder, OpusDeleter>;
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struct OpusPacketHeader {
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// Packet size in bytes.
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@ -33,7 +34,7 @@ struct OpusPacketHeader {
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};
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static_assert(sizeof(OpusPacketHeader) == 0x8, "OpusHeader is an invalid size");
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class OpusDecoderStateBase {
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class OpusDecoderState {
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public:
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/// Describes extra behavior that may be asked of the decoding context.
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enum class ExtraBehavior {
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@ -49,22 +50,13 @@ public:
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Enabled,
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};
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virtual ~OpusDecoderStateBase() = default;
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// Decodes interleaved Opus packets. Optionally allows reporting time taken to
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// perform the decoding, as well as any relevant extra behavior.
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virtual void DecodeInterleaved(Kernel::HLERequestContext& ctx, PerfTime perf_time,
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ExtraBehavior extra_behavior) = 0;
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};
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// Represents the decoder state for a non-multistream decoder.
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class OpusDecoderState final : public OpusDecoderStateBase {
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public:
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explicit OpusDecoderState(OpusDecoderPtr decoder, u32 sample_rate, u32 channel_count)
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: decoder{std::move(decoder)}, sample_rate{sample_rate}, channel_count{channel_count} {}
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// Decodes interleaved Opus packets. Optionally allows reporting time taken to
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// perform the decoding, as well as any relevant extra behavior.
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void DecodeInterleaved(Kernel::HLERequestContext& ctx, PerfTime perf_time,
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ExtraBehavior extra_behavior) override {
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ExtraBehavior extra_behavior) {
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if (perf_time == PerfTime::Disabled) {
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DecodeInterleavedHelper(ctx, nullptr, extra_behavior);
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} else {
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@ -135,7 +127,7 @@ private:
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const int frame_size = (static_cast<int>(raw_output_sz / sizeof(s16) / channel_count));
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const auto out_sample_count =
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opus_decode(decoder.get(), frame, hdr.size, output.data(), frame_size, 0);
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opus_multistream_decode(decoder.get(), frame, hdr.size, output.data(), frame_size, 0);
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if (out_sample_count < 0) {
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LOG_ERROR(Audio,
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"Incorrect sample count received from opus_decode, "
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@ -158,7 +150,7 @@ private:
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void ResetDecoderContext() {
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ASSERT(decoder != nullptr);
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opus_decoder_ctl(decoder.get(), OPUS_RESET_STATE);
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opus_multistream_decoder_ctl(decoder.get(), OPUS_RESET_STATE);
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}
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OpusDecoderPtr decoder;
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@ -168,7 +160,7 @@ private:
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class IHardwareOpusDecoderManager final : public ServiceFramework<IHardwareOpusDecoderManager> {
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public:
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explicit IHardwareOpusDecoderManager(std::unique_ptr<OpusDecoderStateBase> decoder_state)
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explicit IHardwareOpusDecoderManager(OpusDecoderState decoder_state)
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: ServiceFramework("IHardwareOpusDecoderManager"), decoder_state{std::move(decoder_state)} {
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// clang-format off
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static const FunctionInfo functions[] = {
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@ -190,35 +182,51 @@ private:
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void DecodeInterleavedOld(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Audio, "called");
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decoder_state->DecodeInterleaved(ctx, OpusDecoderStateBase::PerfTime::Disabled,
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OpusDecoderStateBase::ExtraBehavior::None);
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decoder_state.DecodeInterleaved(ctx, OpusDecoderState::PerfTime::Disabled,
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OpusDecoderState::ExtraBehavior::None);
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}
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void DecodeInterleavedWithPerfOld(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Audio, "called");
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decoder_state->DecodeInterleaved(ctx, OpusDecoderStateBase::PerfTime::Enabled,
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OpusDecoderStateBase::ExtraBehavior::None);
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decoder_state.DecodeInterleaved(ctx, OpusDecoderState::PerfTime::Enabled,
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OpusDecoderState::ExtraBehavior::None);
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}
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void DecodeInterleaved(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Audio, "called");
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IPC::RequestParser rp{ctx};
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const auto extra_behavior = rp.Pop<bool>()
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? OpusDecoderStateBase::ExtraBehavior::ResetContext
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: OpusDecoderStateBase::ExtraBehavior::None;
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const auto extra_behavior = rp.Pop<bool>() ? OpusDecoderState::ExtraBehavior::ResetContext
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: OpusDecoderState::ExtraBehavior::None;
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decoder_state->DecodeInterleaved(ctx, OpusDecoderStateBase::PerfTime::Enabled,
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extra_behavior);
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decoder_state.DecodeInterleaved(ctx, OpusDecoderState::PerfTime::Enabled, extra_behavior);
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}
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std::unique_ptr<OpusDecoderStateBase> decoder_state;
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OpusDecoderState decoder_state;
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};
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std::size_t WorkerBufferSize(u32 channel_count) {
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ASSERT_MSG(channel_count == 1 || channel_count == 2, "Invalid channel count");
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return opus_decoder_get_size(static_cast<int>(channel_count));
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constexpr int num_streams = 1;
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const int num_stereo_streams = channel_count == 2 ? 1 : 0;
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return opus_multistream_decoder_get_size(num_streams, num_stereo_streams);
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}
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// Creates the mapping table that maps the input channels to the particular
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// output channels. In the stereo case, we map the left and right input channels
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// to the left and right output channels respectively.
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//
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// However, in the monophonic case, we only map the one available channel
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// to the sole output channel. We specify 255 for the would-be right channel
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// as this is a special value defined by Opus to indicate to the decoder to
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// ignore that channel.
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std::array<u8, 2> CreateMappingTable(u32 channel_count) {
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if (channel_count == 2) {
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return {{0, 1}};
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}
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return {{0, 255}};
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}
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} // Anonymous namespace
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@ -259,9 +267,15 @@ void HwOpus::OpenOpusDecoder(Kernel::HLERequestContext& ctx) {
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const std::size_t worker_sz = WorkerBufferSize(channel_count);
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ASSERT_MSG(buffer_sz >= worker_sz, "Worker buffer too large");
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OpusDecoderPtr decoder{static_cast<OpusDecoder*>(operator new(worker_sz))};
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if (const int err = opus_decoder_init(decoder.get(), sample_rate, channel_count)) {
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LOG_ERROR(Audio, "Failed to init opus decoder with error={}", err);
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const int num_stereo_streams = channel_count == 2 ? 1 : 0;
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const auto mapping_table = CreateMappingTable(channel_count);
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int error = 0;
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OpusDecoderPtr decoder{
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opus_multistream_decoder_create(sample_rate, static_cast<int>(channel_count), 1,
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num_stereo_streams, mapping_table.data(), &error)};
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if (error != OPUS_OK || decoder == nullptr) {
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LOG_ERROR(Audio, "Failed to create Opus decoder (error={}).", error);
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IPC::ResponseBuilder rb{ctx, 2};
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// TODO(ogniK): Use correct error code
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rb.Push(ResultCode(-1));
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@ -271,7 +285,7 @@ void HwOpus::OpenOpusDecoder(Kernel::HLERequestContext& ctx) {
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IPC::ResponseBuilder rb{ctx, 2, 0, 1};
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rb.Push(RESULT_SUCCESS);
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rb.PushIpcInterface<IHardwareOpusDecoderManager>(
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std::make_unique<OpusDecoderState>(std::move(decoder), sample_rate, channel_count));
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OpusDecoderState{std::move(decoder), sample_rate, channel_count});
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}
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HwOpus::HwOpus() : ServiceFramework("hwopus") {
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