diff options
| -rw-r--r-- | src/core/hle/service/audio/hwopus.cpp | 82 |
1 files changed, 48 insertions, 34 deletions
diff --git a/src/core/hle/service/audio/hwopus.cpp b/src/core/hle/service/audio/hwopus.cpp index 377e12cfa..cb4a1160d 100644 --- a/src/core/hle/service/audio/hwopus.cpp +++ b/src/core/hle/service/audio/hwopus.cpp @@ -8,6 +8,7 @@ #include <vector> #include <opus.h> +#include <opus_multistream.h> #include "common/assert.h" #include "common/logging/log.h" @@ -18,12 +19,12 @@ namespace Service::Audio { namespace { struct OpusDeleter { - void operator()(void* ptr) const { - operator delete(ptr); + void operator()(OpusMSDecoder* ptr) const { + opus_multistream_decoder_destroy(ptr); } }; -using OpusDecoderPtr = std::unique_ptr<OpusDecoder, OpusDeleter>; +using OpusDecoderPtr = std::unique_ptr<OpusMSDecoder, OpusDeleter>; struct OpusPacketHeader { // Packet size in bytes. @@ -33,7 +34,7 @@ struct OpusPacketHeader { }; static_assert(sizeof(OpusPacketHeader) == 0x8, "OpusHeader is an invalid size"); -class OpusDecoderStateBase { +class OpusDecoderState { public: /// Describes extra behavior that may be asked of the decoding context. enum class ExtraBehavior { @@ -49,22 +50,13 @@ public: Enabled, }; - virtual ~OpusDecoderStateBase() = default; - - // Decodes interleaved Opus packets. Optionally allows reporting time taken to - // perform the decoding, as well as any relevant extra behavior. - virtual void DecodeInterleaved(Kernel::HLERequestContext& ctx, PerfTime perf_time, - ExtraBehavior extra_behavior) = 0; -}; - -// Represents the decoder state for a non-multistream decoder. -class OpusDecoderState final : public OpusDecoderStateBase { -public: explicit OpusDecoderState(OpusDecoderPtr decoder, u32 sample_rate, u32 channel_count) : decoder{std::move(decoder)}, sample_rate{sample_rate}, channel_count{channel_count} {} + // Decodes interleaved Opus packets. Optionally allows reporting time taken to + // perform the decoding, as well as any relevant extra behavior. void DecodeInterleaved(Kernel::HLERequestContext& ctx, PerfTime perf_time, - ExtraBehavior extra_behavior) override { + ExtraBehavior extra_behavior) { if (perf_time == PerfTime::Disabled) { DecodeInterleavedHelper(ctx, nullptr, extra_behavior); } else { @@ -135,7 +127,7 @@ private: const int frame_size = (static_cast<int>(raw_output_sz / sizeof(s16) / channel_count)); const auto out_sample_count = - opus_decode(decoder.get(), frame, hdr.size, output.data(), frame_size, 0); + opus_multistream_decode(decoder.get(), frame, hdr.size, output.data(), frame_size, 0); if (out_sample_count < 0) { LOG_ERROR(Audio, "Incorrect sample count received from opus_decode, " @@ -158,7 +150,7 @@ private: void ResetDecoderContext() { ASSERT(decoder != nullptr); - opus_decoder_ctl(decoder.get(), OPUS_RESET_STATE); + opus_multistream_decoder_ctl(decoder.get(), OPUS_RESET_STATE); } OpusDecoderPtr decoder; @@ -168,7 +160,7 @@ private: class IHardwareOpusDecoderManager final : public ServiceFramework<IHardwareOpusDecoderManager> { public: - explicit IHardwareOpusDecoderManager(std::unique_ptr<OpusDecoderStateBase> decoder_state) + explicit IHardwareOpusDecoderManager(OpusDecoderState decoder_state) : ServiceFramework("IHardwareOpusDecoderManager"), decoder_state{std::move(decoder_state)} { // clang-format off static const FunctionInfo functions[] = { @@ -190,35 +182,51 @@ private: void DecodeInterleavedOld(Kernel::HLERequestContext& ctx) { LOG_DEBUG(Audio, "called"); - decoder_state->DecodeInterleaved(ctx, OpusDecoderStateBase::PerfTime::Disabled, - OpusDecoderStateBase::ExtraBehavior::None); + decoder_state.DecodeInterleaved(ctx, OpusDecoderState::PerfTime::Disabled, + OpusDecoderState::ExtraBehavior::None); } void DecodeInterleavedWithPerfOld(Kernel::HLERequestContext& ctx) { LOG_DEBUG(Audio, "called"); - decoder_state->DecodeInterleaved(ctx, OpusDecoderStateBase::PerfTime::Enabled, - OpusDecoderStateBase::ExtraBehavior::None); + decoder_state.DecodeInterleaved(ctx, OpusDecoderState::PerfTime::Enabled, + OpusDecoderState::ExtraBehavior::None); } void DecodeInterleaved(Kernel::HLERequestContext& ctx) { LOG_DEBUG(Audio, "called"); IPC::RequestParser rp{ctx}; - const auto extra_behavior = rp.Pop<bool>() - ? OpusDecoderStateBase::ExtraBehavior::ResetContext - : OpusDecoderStateBase::ExtraBehavior::None; + const auto extra_behavior = rp.Pop<bool>() ? OpusDecoderState::ExtraBehavior::ResetContext + : OpusDecoderState::ExtraBehavior::None; - decoder_state->DecodeInterleaved(ctx, OpusDecoderStateBase::PerfTime::Enabled, - extra_behavior); + decoder_state.DecodeInterleaved(ctx, OpusDecoderState::PerfTime::Enabled, extra_behavior); } - std::unique_ptr<OpusDecoderStateBase> decoder_state; + OpusDecoderState decoder_state; }; std::size_t WorkerBufferSize(u32 channel_count) { ASSERT_MSG(channel_count == 1 || channel_count == 2, "Invalid channel count"); - return opus_decoder_get_size(static_cast<int>(channel_count)); + constexpr int num_streams = 1; + const int num_stereo_streams = channel_count == 2 ? 1 : 0; + return opus_multistream_decoder_get_size(num_streams, num_stereo_streams); +} + +// Creates the mapping table that maps the input channels to the particular +// output channels. In the stereo case, we map the left and right input channels +// to the left and right output channels respectively. +// +// However, in the monophonic case, we only map the one available channel +// to the sole output channel. We specify 255 for the would-be right channel +// as this is a special value defined by Opus to indicate to the decoder to +// ignore that channel. +std::array<u8, 2> CreateMappingTable(u32 channel_count) { + if (channel_count == 2) { + return {{0, 1}}; + } + + return {{0, 255}}; } } // Anonymous namespace @@ -259,9 +267,15 @@ void HwOpus::OpenOpusDecoder(Kernel::HLERequestContext& ctx) { const std::size_t worker_sz = WorkerBufferSize(channel_count); ASSERT_MSG(buffer_sz >= worker_sz, "Worker buffer too large"); - OpusDecoderPtr decoder{static_cast<OpusDecoder*>(operator new(worker_sz))}; - if (const int err = opus_decoder_init(decoder.get(), sample_rate, channel_count)) { - LOG_ERROR(Audio, "Failed to init opus decoder with error={}", err); + const int num_stereo_streams = channel_count == 2 ? 1 : 0; + const auto mapping_table = CreateMappingTable(channel_count); + + int error = 0; + OpusDecoderPtr decoder{ + opus_multistream_decoder_create(sample_rate, static_cast<int>(channel_count), 1, + num_stereo_streams, mapping_table.data(), &error)}; + if (error != OPUS_OK || decoder == nullptr) { + LOG_ERROR(Audio, "Failed to create Opus decoder (error={}).", error); IPC::ResponseBuilder rb{ctx, 2}; // TODO(ogniK): Use correct error code rb.Push(ResultCode(-1)); @@ -271,7 +285,7 @@ void HwOpus::OpenOpusDecoder(Kernel::HLERequestContext& ctx) { IPC::ResponseBuilder rb{ctx, 2, 0, 1}; rb.Push(RESULT_SUCCESS); rb.PushIpcInterface<IHardwareOpusDecoderManager>( - std::make_unique<OpusDecoderState>(std::move(decoder), sample_rate, channel_count)); + OpusDecoderState{std::move(decoder), sample_rate, channel_count}); } HwOpus::HwOpus() : ServiceFramework("hwopus") { |