[audio] Replace libopus with FFmpeg (#4169)

FFmpeg offers two opus decoders:
- libopus, this one is fed the same data (that affects output) as the previous libopus decoder had as well
- native opus decoder: this only takes Float32 samples, we then need to invoke swrescale to translate between s16 (what switch sends) and float32 (what FFmpeg expects), the process is computationally more expensive, but trades off neatly as the native opus decoder is very optimised

It also relegates the handling to FFmpeg, which simplifies existing code (more concretely, by using the "fill/drain" scheme for packets/frames)

Closes #2897

Signed-off-by: lizzie <lizzie@eden-emu.dev>
Co-authored-by: crueter <crueter@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4169
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>
Reviewed-by: Maufeat <sahyno1996@gmail.com>
This commit is contained in:
lizzie
2026-09-12 09:59:33 +02:00
committed by crueter
parent 8a22f1845b
commit ff8368c606
22 changed files with 441 additions and 904 deletions
+23 -48
View File
@@ -10,39 +10,18 @@
#include "audio_core/audio_core.h"
#include "audio_core/opus/hardware_opus.h"
#include "core/core.h"
#include "core/hle/result.h"
namespace AudioCore::OpusDecoder {
namespace {
using namespace Service::Audio;
static constexpr Result ResultCodeFromLibOpusErrorCode(u64 error_code) {
s32 error{static_cast<s32>(error_code)};
ASSERT(error <= OPUS_OK);
switch (error) {
case OPUS_ALLOC_FAIL:
R_THROW(ResultLibOpusAllocFail);
case OPUS_INVALID_STATE:
R_THROW(ResultLibOpusInvalidState);
case OPUS_UNIMPLEMENTED:
R_THROW(ResultLibOpusUnimplemented);
case OPUS_INVALID_PACKET:
R_THROW(ResultLibOpusInvalidPacket);
case OPUS_INTERNAL_ERROR:
R_THROW(ResultLibOpusInternalError);
case OPUS_BUFFER_TOO_SMALL:
R_THROW(ResultBufferTooSmall);
case OPUS_BAD_ARG:
R_THROW(ResultLibOpusBadArg);
case OPUS_OK:
R_RETURN(ResultSuccess);
}
UNREACHABLE();
}
} // namespace
HardwareOpus::HardwareOpus(Core::System& system_)
: system{system_}, opus_decoder{system.AudioCore().ADSP().OpusDecoder()} {
: system{system_}
, opus_decoder{system.AudioCore().ADSP().OpusDecoder()}
{
opus_decoder.SetSharedMemory(shared_memory);
}
@@ -112,7 +91,7 @@ Result HardwareOpus::InitializeDecodeObject(u32 sample_rate, u32 channel_count,
R_THROW(ResultInvalidOpusDSPReturnCode);
}
R_RETURN(ResultCodeFromLibOpusErrorCode(shared_memory.dsp_return_data[0]));
R_RETURN(Result(u32(shared_memory.dsp_return_data[0])));
}
Result HardwareOpus::InitializeMultiStreamDecodeObject(u32 sample_rate, u32 channel_count,
@@ -140,7 +119,7 @@ Result HardwareOpus::InitializeMultiStreamDecodeObject(u32 sample_rate, u32 chan
R_THROW(ResultInvalidOpusDSPReturnCode);
}
R_RETURN(ResultCodeFromLibOpusErrorCode(shared_memory.dsp_return_data[0]));
R_RETURN(Result(u32(shared_memory.dsp_return_data[0])));
}
Result HardwareOpus::ShutdownDecodeObject(void* buffer, u64 buffer_size) {
@@ -154,7 +133,7 @@ Result HardwareOpus::ShutdownDecodeObject(void* buffer, u64 buffer_size) {
"Expected Opus shutdown code {}, got {}",
ADSP::OpusDecoder::Message::ShutdownDecodeObjectOK, msg);
R_RETURN(ResultCodeFromLibOpusErrorCode(shared_memory.dsp_return_data[0]));
R_RETURN(Result(u32(shared_memory.dsp_return_data[0])));
}
Result HardwareOpus::ShutdownMultiStreamDecodeObject(void* buffer, u64 buffer_size) {
@@ -169,7 +148,7 @@ Result HardwareOpus::ShutdownMultiStreamDecodeObject(void* buffer, u64 buffer_si
"Expected Opus shutdown code {}, got {}",
ADSP::OpusDecoder::Message::ShutdownMultiStreamDecodeObjectOK, msg);
R_RETURN(ResultCodeFromLibOpusErrorCode(shared_memory.dsp_return_data[0]));
R_RETURN(Result(u32(shared_memory.dsp_return_data[0])));
}
Result HardwareOpus::DecodeInterleaved(u32& out_sample_count, void* output_data,
@@ -193,12 +172,12 @@ Result HardwareOpus::DecodeInterleaved(u32& out_sample_count, void* output_data,
R_THROW(ResultInvalidOpusDSPReturnCode);
}
auto error_code{static_cast<s32>(shared_memory.dsp_return_data[0])};
if (error_code == OPUS_OK) {
out_sample_count = static_cast<u32>(shared_memory.dsp_return_data[1]);
auto error_code = s32(shared_memory.dsp_return_data[0]);
if (error_code == ResultSuccess.raw) {
out_sample_count = u32(shared_memory.dsp_return_data[1]);
out_time_taken = 1000 * shared_memory.dsp_return_data[2];
}
R_RETURN(ResultCodeFromLibOpusErrorCode(error_code));
R_RETURN(Result(u32(error_code)));
}
Result HardwareOpus::DecodeInterleavedForMultiStream(u32& out_sample_count, void* output_data,
@@ -207,29 +186,27 @@ Result HardwareOpus::DecodeInterleavedForMultiStream(u32& out_sample_count, void
void* buffer, u64& out_time_taken,
bool reset) {
std::scoped_lock l{mutex};
shared_memory.host_send_data[0] = (u64)buffer;
shared_memory.host_send_data[1] = (u64)input_data;
shared_memory.host_send_data[0] = u64(buffer);
shared_memory.host_send_data[1] = u64(input_data);
shared_memory.host_send_data[2] = input_data_size;
shared_memory.host_send_data[3] = (u64)output_data;
shared_memory.host_send_data[3] = u64(output_data);
shared_memory.host_send_data[4] = output_data_size;
shared_memory.host_send_data[5] = 0;
shared_memory.host_send_data[6] = reset;
opus_decoder.Send(ADSP::Direction::DSP,
ADSP::OpusDecoder::Message::DecodeInterleavedForMultiStream);
opus_decoder.Send(ADSP::Direction::DSP, ADSP::OpusDecoder::Message::DecodeInterleavedForMultiStream);
auto msg = opus_decoder.Receive(ADSP::Direction::Host);
if (msg != ADSP::OpusDecoder::Message::DecodeInterleavedForMultiStreamOK) {
LOG_ERROR(Service_Audio, "OpusDecoder returned invalid message. Expected {} got {}",
ADSP::OpusDecoder::Message::DecodeInterleavedForMultiStreamOK, msg);
LOG_ERROR(Service_Audio, "OpusDecoder returned invalid message. Expected {} got {}", ADSP::OpusDecoder::Message::DecodeInterleavedForMultiStreamOK, msg);
R_THROW(ResultInvalidOpusDSPReturnCode);
}
auto error_code{static_cast<s32>(shared_memory.dsp_return_data[0])};
if (error_code == OPUS_OK) {
auto const error_code = shared_memory.dsp_return_data[0];
if (error_code == ResultSuccess.raw) {
out_sample_count = static_cast<u32>(shared_memory.dsp_return_data[1]);
out_time_taken = 1000 * shared_memory.dsp_return_data[2];
}
R_RETURN(ResultCodeFromLibOpusErrorCode(error_code));
R_RETURN(Result(u32(shared_memory.dsp_return_data[0])));
}
Result HardwareOpus::MapMemory(void* buffer, u64 buffer_size) {
@@ -240,8 +217,7 @@ Result HardwareOpus::MapMemory(void* buffer, u64 buffer_size) {
opus_decoder.Send(ADSP::Direction::DSP, ADSP::OpusDecoder::Message::MapMemory);
auto msg = opus_decoder.Receive(ADSP::Direction::Host);
if (msg != ADSP::OpusDecoder::Message::MapMemoryOK) {
LOG_ERROR(Service_Audio, "OpusDecoder returned invalid message. Expected {} got {}",
ADSP::OpusDecoder::Message::MapMemoryOK, msg);
LOG_ERROR(Service_Audio, "OpusDecoder returned invalid message. Expected {} got {}", ADSP::OpusDecoder::Message::MapMemoryOK, msg);
R_THROW(ResultInvalidOpusDSPReturnCode);
}
R_SUCCEED();
@@ -255,8 +231,7 @@ Result HardwareOpus::UnmapMemory(void* buffer, u64 buffer_size) {
opus_decoder.Send(ADSP::Direction::DSP, ADSP::OpusDecoder::Message::UnmapMemory);
auto msg = opus_decoder.Receive(ADSP::Direction::Host);
if (msg != ADSP::OpusDecoder::Message::UnmapMemoryOK) {
LOG_ERROR(Service_Audio, "OpusDecoder returned invalid message. Expected {} got {}",
ADSP::OpusDecoder::Message::UnmapMemoryOK, msg);
LOG_ERROR(Service_Audio, "OpusDecoder returned invalid message. Expected {} got {}", ADSP::OpusDecoder::Message::UnmapMemoryOK, msg);
R_THROW(ResultInvalidOpusDSPReturnCode);
}
R_SUCCEED();