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Merge pull request #11467 from Kelebek1/fix_decode

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[audio] Fix data source version 1 command looping
This commit is contained in:
liamwhite 2023-09-10 13:40:25 -04:00 committed by GitHub
commit 3b7d112c83
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 71 additions and 51 deletions
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6
src/audio_core/renderer/command/data_source/adpcm.cpp
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@ -20,6 +20,12 @@ void AdpcmDataSourceVersion1Command::Process(const AudioRenderer::CommandListPro
auto out_buffer{processor.mix_buffers.subspan(output_index * processor.sample_count,
processor.sample_count)};
for (auto& wave_buffer : wave_buffers) {
wave_buffer.loop_start_offset = wave_buffer.start_offset;
wave_buffer.loop_end_offset = wave_buffer.end_offset;
wave_buffer.loop_count = wave_buffer.loop ? -1 : 0;
}
DecodeFromWaveBuffersArgs args{
.sample_format{SampleFormat::Adpcm},
.output{out_buffer},

104
src/audio_core/renderer/command/data_source/decode.cpp
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@ -123,11 +123,13 @@ static u32 DecodeAdpcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
return 0;
}
auto samples_to_process{
std::min(req.end_offset - req.start_offset - req.offset, req.samples_to_read)};
auto start_pos{req.start_offset + req.offset};
auto samples_to_process{std::min(req.end_offset - start_pos, req.samples_to_read)};
if (samples_to_process == 0) {
return 0;
}
auto samples_to_read{samples_to_process};
auto start_pos{req.start_offset + req.offset};
auto samples_remaining_in_frame{start_pos % SamplesPerFrame};
auto position_in_frame{(start_pos / SamplesPerFrame) * NibblesPerFrame +
samples_remaining_in_frame};
@ -225,13 +227,24 @@ static u32 DecodeAdpcm(Core::Memory::Memory& memory, std::span<s16> out_buffer,
* @param args - The wavebuffer data, and information for how to decode it.
*/
void DecodeFromWaveBuffers(Core::Memory::Memory& memory, const DecodeFromWaveBuffersArgs& args) {
static constexpr auto EndWaveBuffer = [](auto& voice_state, auto& wavebuffer, auto& index,
auto& played_samples, auto& consumed) -> void {
voice_state.wave_buffer_valid[index] = false;
voice_state.loop_count = 0;
if (wavebuffer.stream_ended) {
played_samples = 0;
}
index = (index + 1) % MaxWaveBuffers;
consumed++;
};
auto& voice_state{*args.voice_state};
auto remaining_sample_count{args.sample_count};
auto fraction{voice_state.fraction};
const auto sample_rate_ratio{
(Common::FixedPoint<49, 15>(args.source_sample_rate) / args.target_sample_rate) *
args.pitch};
const auto sample_rate_ratio{Common::FixedPoint<49, 15>(
(f32)args.source_sample_rate / (f32)args.target_sample_rate * (f32)args.pitch)};
const auto size_required{fraction + remaining_sample_count * sample_rate_ratio};
if (size_required < 0) {
@ -298,22 +311,23 @@ void DecodeFromWaveBuffers(Core::Memory::Memory& memory, const DecodeFromWaveBuf
auto end_offset{wavebuffer.end_offset};
if (wavebuffer.loop && voice_state.loop_count > 0 &&
wavebuffer.loop_start_offset != 0 && wavebuffer.loop_end_offset != 0 &&
wavebuffer.loop_start_offset <= wavebuffer.loop_end_offset) {
start_offset = wavebuffer.loop_start_offset;
end_offset = wavebuffer.loop_end_offset;
}
DecodeArg decode_arg{.buffer{wavebuffer.buffer},
.buffer_size{wavebuffer.buffer_size},
.start_offset{start_offset},
.end_offset{end_offset},
.channel_count{args.channel_count},
.coefficients{},
.adpcm_context{nullptr},
.target_channel{args.channel},
.offset{offset},
.samples_to_read{samples_to_read - samples_read}};
DecodeArg decode_arg{
.buffer{wavebuffer.buffer},
.buffer_size{wavebuffer.buffer_size},
.start_offset{start_offset},
.end_offset{end_offset},
.channel_count{args.channel_count},
.coefficients{},
.adpcm_context{nullptr},
.target_channel{args.channel},
.offset{offset},
.samples_to_read{samples_to_read - samples_read},
};
s32 samples_decoded{0};
@ -350,42 +364,30 @@ void DecodeFromWaveBuffers(Core::Memory::Memory& memory, const DecodeFromWaveBuf
temp_buffer_pos += samples_decoded;
offset += samples_decoded;
if (samples_decoded == 0 || offset >= end_offset - start_offset) {
offset = 0;
if (!wavebuffer.loop) {
voice_state.wave_buffer_valid[wavebuffer_index] = false;
voice_state.loop_count = 0;
if (samples_decoded && offset < end_offset - start_offset) {
continue;
}
if (wavebuffer.stream_ended) {
played_sample_count = 0;
}
wavebuffer_index = (wavebuffer_index + 1) % MaxWaveBuffers;
wavebuffers_consumed++;
} else {
voice_state.loop_count++;
if (wavebuffer.loop_count >= 0 &&
(voice_state.loop_count > wavebuffer.loop_count || samples_decoded == 0)) {
voice_state.wave_buffer_valid[wavebuffer_index] = false;
voice_state.loop_count = 0;
if (wavebuffer.stream_ended) {
played_sample_count = 0;
}
wavebuffer_index = (wavebuffer_index + 1) % MaxWaveBuffers;
wavebuffers_consumed++;
}
if (samples_decoded == 0) {
is_buffer_starved = true;
break;
}
if (args.IsVoicePlayedSampleCountResetAtLoopPointSupported) {
played_sample_count = 0;
}
offset = 0;
if (wavebuffer.loop) {
voice_state.loop_count++;
if (wavebuffer.loop_count >= 0 &&
(voice_state.loop_count > wavebuffer.loop_count || samples_decoded == 0)) {
EndWaveBuffer(voice_state, wavebuffer, wavebuffer_index, played_sample_count,
wavebuffers_consumed);
}
if (samples_decoded == 0) {
is_buffer_starved = true;
break;
}
if (args.IsVoicePlayedSampleCountResetAtLoopPointSupported) {
played_sample_count = 0;
}
} else {
EndWaveBuffer(voice_state, wavebuffer, wavebuffer_index, played_sample_count,
wavebuffers_consumed);
}
}

6
src/audio_core/renderer/command/data_source/pcm_float.cpp
View File

@ -21,6 +21,12 @@ void PcmFloatDataSourceVersion1Command::Process(
auto out_buffer = processor.mix_buffers.subspan(output_index * processor.sample_count,
processor.sample_count);
for (auto& wave_buffer : wave_buffers) {
wave_buffer.loop_start_offset = wave_buffer.start_offset;
wave_buffer.loop_end_offset = wave_buffer.end_offset;
wave_buffer.loop_count = wave_buffer.loop ? -1 : 0;
}
DecodeFromWaveBuffersArgs args{
.sample_format{SampleFormat::PcmFloat},
.output{out_buffer},

6
src/audio_core/renderer/command/data_source/pcm_int16.cpp
View File

@ -23,6 +23,12 @@ void PcmInt16DataSourceVersion1Command::Process(
auto out_buffer = processor.mix_buffers.subspan(output_index * processor.sample_count,
processor.sample_count);
for (auto& wave_buffer : wave_buffers) {
wave_buffer.loop_start_offset = wave_buffer.start_offset;
wave_buffer.loop_end_offset = wave_buffer.end_offset;
wave_buffer.loop_count = wave_buffer.loop ? -1 : 0;
}
DecodeFromWaveBuffersArgs args{
.sample_format{SampleFormat::PcmInt16},
.output{out_buffer},