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| author | liamwhite <liamwhite@users.noreply.github.com> | 2023-09-17 16:42:44 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-09-17 16:42:44 +0200 |
| commit | 474739a37920ff8e8a2f5d6f480a9116fdfba825 (patch) | |
| tree | 8331fac91e1e96ddd379917ad51167cef48868f3 /src/audio_core/opus/decoder_manager.cpp | |
| parent | Merge pull request #11523 from t895/shader-workers (diff) | |
| parent | Reimplement HardwareOpus (diff) | |
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Diffstat (limited to 'src/audio_core/opus/decoder_manager.cpp')
| -rw-r--r-- | src/audio_core/opus/decoder_manager.cpp | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/audio_core/opus/decoder_manager.cpp b/src/audio_core/opus/decoder_manager.cpp new file mode 100644 index 000000000..4a5382973 --- /dev/null +++ b/src/audio_core/opus/decoder_manager.cpp @@ -0,0 +1,102 @@ +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "audio_core/adsp/apps/opus/opus_decoder.h"
+#include "audio_core/opus/decoder_manager.h"
+#include "common/alignment.h"
+#include "core/core.h"
+
+namespace AudioCore::OpusDecoder {
+using namespace Service::Audio;
+
+namespace {
+bool IsValidChannelCount(u32 channel_count) {
+ return channel_count == 1 || channel_count == 2;
+}
+
+bool IsValidMultiStreamChannelCount(u32 channel_count) {
+ return channel_count > 0 && channel_count <= OpusStreamCountMax;
+}
+
+bool IsValidSampleRate(u32 sample_rate) {
+ return sample_rate == 8'000 || sample_rate == 12'000 || sample_rate == 16'000 ||
+ sample_rate == 24'000 || sample_rate == 48'000;
+}
+
+bool IsValidStreamCount(u32 channel_count, u32 total_stream_count, u32 stereo_stream_count) {
+ return total_stream_count > 0 && stereo_stream_count > 0 &&
+ stereo_stream_count <= total_stream_count &&
+ total_stream_count + stereo_stream_count <= channel_count;
+}
+
+} // namespace
+
+OpusDecoderManager::OpusDecoderManager(Core::System& system_)
+ : system{system_}, hardware_opus{system} {
+ for (u32 i = 0; i < MaxChannels; i++) {
+ required_workbuffer_sizes[i] = hardware_opus.GetWorkBufferSize(1 + i);
+ }
+}
+
+Result OpusDecoderManager::GetWorkBufferSize(OpusParameters& params, u64& out_size) {
+ OpusParametersEx ex{
+ .sample_rate = params.sample_rate,
+ .channel_count = params.channel_count,
+ .use_large_frame_size = false,
+ };
+ R_RETURN(GetWorkBufferSizeExEx(ex, out_size));
+}
+
+Result OpusDecoderManager::GetWorkBufferSizeEx(OpusParametersEx& params, u64& out_size) {
+ R_RETURN(GetWorkBufferSizeExEx(params, out_size));
+}
+
+Result OpusDecoderManager::GetWorkBufferSizeExEx(OpusParametersEx& params, u64& out_size) {
+ R_UNLESS(IsValidChannelCount(params.channel_count), ResultInvalidOpusChannelCount);
+ R_UNLESS(IsValidSampleRate(params.sample_rate), ResultInvalidOpusSampleRate);
+
+ auto work_buffer_size{required_workbuffer_sizes[params.channel_count - 1]};
+ auto frame_size{params.use_large_frame_size ? 5760 : 1920};
+ work_buffer_size +=
+ Common::AlignUp((frame_size * params.channel_count) / (48'000 / params.sample_rate), 64);
+ out_size = work_buffer_size + 0x600;
+ R_SUCCEED();
+}
+
+Result OpusDecoderManager::GetWorkBufferSizeForMultiStream(OpusMultiStreamParameters& params,
+ u64& out_size) {
+ OpusMultiStreamParametersEx ex{
+ .sample_rate = params.sample_rate,
+ .channel_count = params.channel_count,
+ .total_stream_count = params.total_stream_count,
+ .stereo_stream_count = params.stereo_stream_count,
+ .use_large_frame_size = false,
+ .mappings = {},
+ };
+ R_RETURN(GetWorkBufferSizeForMultiStreamExEx(ex, out_size));
+}
+
+Result OpusDecoderManager::GetWorkBufferSizeForMultiStreamEx(OpusMultiStreamParametersEx& params,
+ u64& out_size) {
+ R_RETURN(GetWorkBufferSizeForMultiStreamExEx(params, out_size));
+}
+
+Result OpusDecoderManager::GetWorkBufferSizeForMultiStreamExEx(OpusMultiStreamParametersEx& params,
+ u64& out_size) {
+ R_UNLESS(IsValidMultiStreamChannelCount(params.channel_count), ResultInvalidOpusChannelCount);
+ R_UNLESS(IsValidSampleRate(params.sample_rate), ResultInvalidOpusSampleRate);
+ R_UNLESS(IsValidStreamCount(params.channel_count, params.total_stream_count,
+ params.stereo_stream_count),
+ ResultInvalidOpusSampleRate);
+
+ auto work_buffer_size{hardware_opus.GetWorkBufferSizeForMultiStream(
+ params.total_stream_count, params.stereo_stream_count)};
+ auto frame_size{params.use_large_frame_size ? 5760 : 1920};
+ work_buffer_size += Common::AlignUp(1500 * params.total_stream_count, 64);
+ work_buffer_size +=
+ Common::AlignUp((frame_size * params.channel_count) / (48'000 / params.sample_rate), 64);
+ out_size = work_buffer_size;
+ R_SUCCEED();
+}
+
+} // namespace AudioCore::OpusDecoder
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