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authorbunnei <bunneidev@gmail.com>2018-08-04 06:03:12 +0200
committerbunnei <bunneidev@gmail.com>2018-08-05 00:22:58 +0200
commit1dee8ceda1e5ecd5ebaee464b1450f323e82305f (patch)
tree97275d9a1c055d067053831f50a09ab9628ebf8e /src/audio_core
parentaudio_core: Port codec code from Citra for ADPCM decoding. (diff)
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Diffstat (limited to 'src/audio_core')
-rw-r--r--src/audio_core/audio_out.cpp2
-rw-r--r--src/audio_core/audio_out.h2
-rw-r--r--src/audio_core/buffer.h13
-rw-r--r--src/audio_core/cubeb_sink.cpp11
-rw-r--r--src/audio_core/null_sink.h3
-rw-r--r--src/audio_core/sink_stream.h4
-rw-r--r--src/audio_core/stream.cpp19
-rw-r--r--src/audio_core/stream.h3
8 files changed, 24 insertions, 33 deletions
diff --git a/src/audio_core/audio_out.cpp b/src/audio_core/audio_out.cpp
index eb9db755a..12632a95c 100644
--- a/src/audio_core/audio_out.cpp
+++ b/src/audio_core/audio_out.cpp
@@ -51,7 +51,7 @@ void AudioOut::StopStream(StreamPtr stream) {
stream->Stop();
}
-bool AudioOut::QueueBuffer(StreamPtr stream, Buffer::Tag tag, std::vector<u8>&& data) {
+bool AudioOut::QueueBuffer(StreamPtr stream, Buffer::Tag tag, std::vector<s16>&& data) {
return stream->QueueBuffer(std::make_shared<Buffer>(tag, std::move(data)));
}
diff --git a/src/audio_core/audio_out.h b/src/audio_core/audio_out.h
index d564ff91a..39b7e656b 100644
--- a/src/audio_core/audio_out.h
+++ b/src/audio_core/audio_out.h
@@ -34,7 +34,7 @@ public:
void StopStream(StreamPtr stream);
/// Queues a buffer into the specified audio stream, returns true on success
- bool QueueBuffer(StreamPtr stream, Buffer::Tag tag, std::vector<u8>&& data);
+ bool QueueBuffer(StreamPtr stream, Buffer::Tag tag, std::vector<s16>&& data);
private:
SinkPtr sink;
diff --git a/src/audio_core/buffer.h b/src/audio_core/buffer.h
index 4bf5fd58a..a323b23ec 100644
--- a/src/audio_core/buffer.h
+++ b/src/audio_core/buffer.h
@@ -18,11 +18,16 @@ class Buffer {
public:
using Tag = u64;
- Buffer(Tag tag, std::vector<u8>&& data) : tag{tag}, data{std::move(data)} {}
+ Buffer(Tag tag, std::vector<s16>&& samples) : tag{tag}, samples{std::move(samples)} {}
/// Returns the raw audio data for the buffer
- const std::vector<u8>& GetData() const {
- return data;
+ std::vector<s16>& Samples() {
+ return samples;
+ }
+
+ /// Returns the raw audio data for the buffer
+ const std::vector<s16>& GetSamples() const {
+ return samples;
}
/// Returns the buffer tag, this is provided by the game to the audout service
@@ -32,7 +37,7 @@ public:
private:
Tag tag;
- std::vector<u8> data;
+ std::vector<s16> samples;
};
using BufferPtr = std::shared_ptr<Buffer>;
diff --git a/src/audio_core/cubeb_sink.cpp b/src/audio_core/cubeb_sink.cpp
index 0b0e9a053..1501ef1f4 100644
--- a/src/audio_core/cubeb_sink.cpp
+++ b/src/audio_core/cubeb_sink.cpp
@@ -61,25 +61,24 @@ public:
cubeb_stream_destroy(stream_backend);
}
- void EnqueueSamples(u32 num_channels, const s16* samples, size_t sample_count) override {
+ void EnqueueSamples(u32 num_channels, const std::vector<s16>& samples) override {
if (!ctx) {
return;
}
- queue.reserve(queue.size() + sample_count * GetNumChannels());
+ queue.reserve(queue.size() + samples.size() * GetNumChannels());
if (is_6_channel) {
// Downsample 6 channels to 2
- const size_t sample_count_copy_size = sample_count * num_channels * 2;
+ const size_t sample_count_copy_size = samples.size() * 2;
queue.reserve(sample_count_copy_size);
- for (size_t i = 0; i < sample_count * num_channels; i += num_channels) {
+ for (size_t i = 0; i < samples.size(); i += num_channels) {
queue.push_back(samples[i]);
queue.push_back(samples[i + 1]);
}
} else {
// Copy as-is
- std::copy(samples, samples + sample_count * GetNumChannels(),
- std::back_inserter(queue));
+ std::copy(samples.begin(), samples.end(), std::back_inserter(queue));
}
}
diff --git a/src/audio_core/null_sink.h b/src/audio_core/null_sink.h
index 66041ea3f..f235d93e5 100644
--- a/src/audio_core/null_sink.h
+++ b/src/audio_core/null_sink.h
@@ -20,8 +20,7 @@ public:
private:
struct NullSinkStreamImpl final : SinkStream {
- void EnqueueSamples(u32 /*num_channels*/, const s16* /*samples*/,
- size_t /*sample_count*/) override {}
+ void EnqueueSamples(u32 /*num_channels*/, const std::vector<s16>& /*samples*/) override {}
} null_sink_stream;
};
diff --git a/src/audio_core/sink_stream.h b/src/audio_core/sink_stream.h
index e7a3f01b0..41b6736d8 100644
--- a/src/audio_core/sink_stream.h
+++ b/src/audio_core/sink_stream.h
@@ -5,6 +5,7 @@
#pragma once
#include <memory>
+#include <vector>
#include "common/common_types.h"
@@ -22,9 +23,8 @@ public:
* Feed stereo samples to sink.
* @param num_channels Number of channels used.
* @param samples Samples in interleaved stereo PCM16 format.
- * @param sample_count Number of samples.
*/
- virtual void EnqueueSamples(u32 num_channels, const s16* samples, size_t sample_count) = 0;
+ virtual void EnqueueSamples(u32 num_channels, const std::vector<s16>& samples) = 0;
};
using SinkStreamPtr = std::unique_ptr<SinkStream>;
diff --git a/src/audio_core/stream.cpp b/src/audio_core/stream.cpp
index 7ab87c0c9..ad9e2915c 100644
--- a/src/audio_core/stream.cpp
+++ b/src/audio_core/stream.cpp
@@ -32,10 +32,6 @@ u32 Stream::GetNumChannels() const {
return {};
}
-u32 Stream::GetSampleSize() const {
- return GetNumChannels() * 2;
-}
-
Stream::Stream(u32 sample_rate, Format format, ReleaseCallback&& release_callback,
SinkStream& sink_stream, std::string&& name_)
: sample_rate{sample_rate}, format{format}, release_callback{std::move(release_callback)},
@@ -55,17 +51,15 @@ void Stream::Stop() {
}
s64 Stream::GetBufferReleaseCycles(const Buffer& buffer) const {
- const size_t num_samples{buffer.GetData().size() / GetSampleSize()};
+ const size_t num_samples{buffer.GetSamples().size() / GetNumChannels()};
return CoreTiming::usToCycles((static_cast<u64>(num_samples) * 1000000) / sample_rate);
}
-static std::vector<s16> GetVolumeAdjustedSamples(const std::vector<u8>& data) {
- std::vector<s16> samples(data.size() / sizeof(s16));
- std::memcpy(samples.data(), data.data(), data.size());
+static void VolumeAdjustSamples(std::vector<s16>& samples) {
const float volume{std::clamp(Settings::values.volume, 0.0f, 1.0f)};
if (volume == 1.0f) {
- return samples;
+ return;
}
// Implementation of a volume slider with a dynamic range of 60 dB
@@ -73,8 +67,6 @@ static std::vector<s16> GetVolumeAdjustedSamples(const std::vector<u8>& data) {
for (auto& sample : samples) {
sample = static_cast<s16>(sample * volume_scale_factor);
}
-
- return samples;
}
void Stream::PlayNextBuffer() {
@@ -96,9 +88,8 @@ void Stream::PlayNextBuffer() {
active_buffer = queued_buffers.front();
queued_buffers.pop();
- const size_t sample_count{active_buffer->GetData().size() / GetSampleSize()};
- sink_stream.EnqueueSamples(
- GetNumChannels(), GetVolumeAdjustedSamples(active_buffer->GetData()).data(), sample_count);
+ VolumeAdjustSamples(active_buffer->Samples());
+ sink_stream.EnqueueSamples(GetNumChannels(), active_buffer->GetSamples());
CoreTiming::ScheduleEventThreadsafe(GetBufferReleaseCycles(*active_buffer), release_event, {});
}
diff --git a/src/audio_core/stream.h b/src/audio_core/stream.h
index 00f991733..049b92ca9 100644
--- a/src/audio_core/stream.h
+++ b/src/audio_core/stream.h
@@ -69,9 +69,6 @@ public:
/// Gets the number of channels
u32 GetNumChannels() const;
- /// Gets the sample size in bytes
- u32 GetSampleSize() const;
-
private:
/// Current state of the stream
enum class State {