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Merge pull request #6564 from Kelebek1/Audio 

Support more PCM formats
This commit is contained in:
Morph 2021-07-08 12:14:58 -04:00 committed by GitHub
parent 91a4a924b1 dbcc093d88
commit 92a3daf029
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 51 additions and 18 deletions
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56
src/audio_core/command_generator.cpp
View File

@ -403,7 +403,10 @@ void CommandGenerator::GenerateDataSourceCommand(ServerVoiceInfo& voice_info, Vo
}
} else {
switch (in_params.sample_format) {
case SampleFormat::Pcm8:
case SampleFormat::Pcm16:
case SampleFormat::Pcm32:
case SampleFormat::PcmFloat:
DecodeFromWaveBuffers(voice_info, GetChannelMixBuffer(channel), dsp_state, channel,
worker_params.sample_rate, worker_params.sample_count,
in_params.node_id);
@ -1009,7 +1012,8 @@ void CommandGenerator::GenerateFinalMixCommand() {
}
}
s32 CommandGenerator::DecodePcm16(ServerVoiceInfo& voice_info, VoiceState& dsp_state,
template <typename T>
s32 CommandGenerator::DecodePcm(ServerVoiceInfo& voice_info, VoiceState& dsp_state,
s32 sample_start_offset, s32 sample_end_offset, s32 sample_count,
s32 channel, std::size_t mix_offset) {
const auto& in_params = voice_info.GetInParams();
@ -1025,24 +1029,37 @@ s32 CommandGenerator::DecodePcm16(ServerVoiceInfo& voice_info, VoiceState& dsp_s
}
const auto samples_remaining = (sample_end_offset - sample_start_offset) - dsp_state.offset;
const auto start_offset =
((dsp_state.offset + sample_start_offset) * in_params.channel_count) * sizeof(s16);
((dsp_state.offset + sample_start_offset) * in_params.channel_count) * sizeof(T);
const auto buffer_pos = wave_buffer.buffer_address + start_offset;
const auto samples_processed = std::min(sample_count, samples_remaining);
if (in_params.channel_count == 1) {
std::vector<s16> buffer(samples_processed);
memory.ReadBlock(buffer_pos, buffer.data(), buffer.size() * sizeof(s16));
for (std::size_t i = 0; i < buffer.size(); i++) {
sample_buffer[mix_offset + i] = buffer[i];
}
} else {
const auto channel_count = in_params.channel_count;
std::vector<s16> buffer(samples_processed * channel_count);
memory.ReadBlock(buffer_pos, buffer.data(), buffer.size() * sizeof(s16));
std::vector<T> buffer(samples_processed * channel_count);
memory.ReadBlock(buffer_pos, buffer.data(), buffer.size() * sizeof(T));
if constexpr (std::is_floating_point_v<T>) {
for (std::size_t i = 0; i < static_cast<std::size_t>(samples_processed); i++) {
sample_buffer[mix_offset + i] = static_cast<s32>(buffer[i * channel_count + channel] *
std::numeric_limits<s16>::max());
}
} else if constexpr (sizeof(T) == 1) {
for (std::size_t i = 0; i < static_cast<std::size_t>(samples_processed); i++) {
sample_buffer[mix_offset + i] =
static_cast<s32>(static_cast<f32>(buffer[i * channel_count + channel] /
std::numeric_limits<s8>::max()) *
std::numeric_limits<s16>::max());
}
} else if constexpr (sizeof(T) == 2) {
for (std::size_t i = 0; i < static_cast<std::size_t>(samples_processed); i++) {
sample_buffer[mix_offset + i] = buffer[i * channel_count + channel];
}
} else {
for (std::size_t i = 0; i < static_cast<std::size_t>(samples_processed); i++) {
sample_buffer[mix_offset + i] =
static_cast<s32>(static_cast<f32>(buffer[i * channel_count + channel] /
std::numeric_limits<s32>::max()) *
std::numeric_limits<s16>::max());
}
}
return samples_processed;
@ -1258,9 +1275,24 @@ void CommandGenerator::DecodeFromWaveBuffers(ServerVoiceInfo& voice_info, std::s
s32 samples_decoded{0};
switch (in_params.sample_format) {
case SampleFormat::Pcm8:
samples_decoded =
DecodePcm<s8>(voice_info, dsp_state, samples_offset_start, samples_offset_end,
samples_to_read - samples_read, channel, temp_mix_offset);
break;
case SampleFormat::Pcm16:
samples_decoded =
DecodePcm16(voice_info, dsp_state, samples_offset_start, samples_offset_end,
DecodePcm<s16>(voice_info, dsp_state, samples_offset_start, samples_offset_end,
samples_to_read - samples_read, channel, temp_mix_offset);
break;
case SampleFormat::Pcm32:
samples_decoded =
DecodePcm<s32>(voice_info, dsp_state, samples_offset_start, samples_offset_end,
samples_to_read - samples_read, channel, temp_mix_offset);
break;
case SampleFormat::PcmFloat:
samples_decoded =
DecodePcm<f32>(voice_info, dsp_state, samples_offset_start, samples_offset_end,
samples_to_read - samples_read, channel, temp_mix_offset);
break;
case SampleFormat::Adpcm:

3
src/audio_core/command_generator.h
View File

@ -88,7 +88,8 @@ private:
std::vector<u8>& work_buffer);
void UpdateI3dl2Reverb(I3dl2ReverbParams& info, I3dl2ReverbState& state, bool should_clear);
// DSP Code
s32 DecodePcm16(ServerVoiceInfo& voice_info, VoiceState& dsp_state, s32 sample_start_offset,
template <typename T>
s32 DecodePcm(ServerVoiceInfo& voice_info, VoiceState& dsp_state, s32 sample_start_offset,
s32 sample_end_offset, s32 sample_count, s32 channel, std::size_t mix_offset);
s32 DecodeAdpcm(ServerVoiceInfo& voice_info, VoiceState& dsp_state, s32 sample_start_offset,
s32 sample_end_offset, s32 sample_count, s32 channel, std::size_t mix_offset);