summaryrefslogtreecommitdiff
path: root/src/audio_core/stream.cpp
diff options
context:
space:
mode:
authorGravatar bunnei2018-08-05 23:35:22 -0400
committerGravatar GitHub2018-08-05 23:35:22 -0400
commitbb21c2198a35fe714d5d95c49b93a8848933e9b4 (patch)
tree2a3da0f4203422bce7f999b9e1597e51ea875bf2 /src/audio_core/stream.cpp
parentMerge pull request #927 from bunnei/fix-texs (diff)
parentaudio_core: Implement audren_u audio playback. (diff)
downloadyuzu-bb21c2198a35fe714d5d95c49b93a8848933e9b4.tar.gz
yuzu-bb21c2198a35fe714d5d95c49b93a8848933e9b4.tar.xz
yuzu-bb21c2198a35fe714d5d95c49b93a8848933e9b4.zip
Merge pull request #925 from bunnei/audren
Implement audren audio output
Diffstat (limited to 'src/audio_core/stream.cpp')
-rw-r--r--src/audio_core/stream.cpp26
1 files changed, 9 insertions, 17 deletions
diff --git a/src/audio_core/stream.cpp b/src/audio_core/stream.cpp
index a0045b7a1..ad9e2915c 100644
--- a/src/audio_core/stream.cpp
+++ b/src/audio_core/stream.cpp
@@ -32,17 +32,13 @@ u32 Stream::GetNumChannels() const {
32 return {}; 32 return {};
33} 33}
34 34
35u32 Stream::GetSampleSize() const {
36 return GetNumChannels() * 2;
37}
38
39Stream::Stream(u32 sample_rate, Format format, ReleaseCallback&& release_callback, 35Stream::Stream(u32 sample_rate, Format format, ReleaseCallback&& release_callback,
40 SinkStream& sink_stream) 36 SinkStream& sink_stream, std::string&& name_)
41 : sample_rate{sample_rate}, format{format}, release_callback{std::move(release_callback)}, 37 : sample_rate{sample_rate}, format{format}, release_callback{std::move(release_callback)},
42 sink_stream{sink_stream} { 38 sink_stream{sink_stream}, name{std::move(name_)} {
43 39
44 release_event = CoreTiming::RegisterEvent( 40 release_event = CoreTiming::RegisterEvent(
45 "Stream::Release", [this](u64 userdata, int cycles_late) { ReleaseActiveBuffer(); }); 41 name, [this](u64 userdata, int cycles_late) { ReleaseActiveBuffer(); });
46} 42}
47 43
48void Stream::Play() { 44void Stream::Play() {
@@ -55,17 +51,15 @@ void Stream::Stop() {
55} 51}
56 52
57s64 Stream::GetBufferReleaseCycles(const Buffer& buffer) const { 53s64 Stream::GetBufferReleaseCycles(const Buffer& buffer) const {
58 const size_t num_samples{buffer.GetData().size() / GetSampleSize()}; 54 const size_t num_samples{buffer.GetSamples().size() / GetNumChannels()};
59 return CoreTiming::usToCycles((static_cast<u64>(num_samples) * 1000000) / sample_rate); 55 return CoreTiming::usToCycles((static_cast<u64>(num_samples) * 1000000) / sample_rate);
60} 56}
61 57
62static std::vector<s16> GetVolumeAdjustedSamples(const std::vector<u8>& data) { 58static void VolumeAdjustSamples(std::vector<s16>& samples) {
63 std::vector<s16> samples(data.size() / sizeof(s16));
64 std::memcpy(samples.data(), data.data(), data.size());
65 const float volume{std::clamp(Settings::values.volume, 0.0f, 1.0f)}; 59 const float volume{std::clamp(Settings::values.volume, 0.0f, 1.0f)};
66 60
67 if (volume == 1.0f) { 61 if (volume == 1.0f) {
68 return samples; 62 return;
69 } 63 }
70 64
71 // Implementation of a volume slider with a dynamic range of 60 dB 65 // 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) {
73 for (auto& sample : samples) { 67 for (auto& sample : samples) {
74 sample = static_cast<s16>(sample * volume_scale_factor); 68 sample = static_cast<s16>(sample * volume_scale_factor);
75 } 69 }
76
77 return samples;
78} 70}
79 71
80void Stream::PlayNextBuffer() { 72void Stream::PlayNextBuffer() {
@@ -96,14 +88,14 @@ void Stream::PlayNextBuffer() {
96 active_buffer = queued_buffers.front(); 88 active_buffer = queued_buffers.front();
97 queued_buffers.pop(); 89 queued_buffers.pop();
98 90
99 const size_t sample_count{active_buffer->GetData().size() / GetSampleSize()}; 91 VolumeAdjustSamples(active_buffer->Samples());
100 sink_stream.EnqueueSamples( 92 sink_stream.EnqueueSamples(GetNumChannels(), active_buffer->GetSamples());
101 GetNumChannels(), GetVolumeAdjustedSamples(active_buffer->GetData()).data(), sample_count);
102 93
103 CoreTiming::ScheduleEventThreadsafe(GetBufferReleaseCycles(*active_buffer), release_event, {}); 94 CoreTiming::ScheduleEventThreadsafe(GetBufferReleaseCycles(*active_buffer), release_event, {});
104} 95}
105 96
106void Stream::ReleaseActiveBuffer() { 97void Stream::ReleaseActiveBuffer() {
98 ASSERT(active_buffer);
107 released_buffers.push(std::move(active_buffer)); 99 released_buffers.push(std::move(active_buffer));
108 release_callback(); 100 release_callback();
109 PlayNextBuffer(); 101 PlayNextBuffer();