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Diffstat (limited to 'src/audio_core/cubeb_sink.cpp')
-rw-r--r--src/audio_core/cubeb_sink.cpp54
1 files changed, 32 insertions, 22 deletions
diff --git a/src/audio_core/cubeb_sink.cpp b/src/audio_core/cubeb_sink.cpp
index 34ae5b062..1501ef1f4 100644
--- a/src/audio_core/cubeb_sink.cpp
+++ b/src/audio_core/cubeb_sink.cpp
@@ -13,20 +13,30 @@ namespace AudioCore {
13 13
14class SinkStreamImpl final : public SinkStream { 14class SinkStreamImpl final : public SinkStream {
15public: 15public:
16 SinkStreamImpl(cubeb* ctx, cubeb_devid output_device) : ctx{ctx} { 16 SinkStreamImpl(cubeb* ctx, u32 sample_rate, u32 num_channels_, cubeb_devid output_device,
17 cubeb_stream_params params; 17 const std::string& name)
18 params.rate = 48000; 18 : ctx{ctx}, num_channels{num_channels_} {
19 params.channels = GetNumChannels(); 19
20 if (num_channels == 6) {
21 // 6-channel audio does not seem to work with cubeb + SDL, so we downsample this to 2
22 // channel for now
23 is_6_channel = true;
24 num_channels = 2;
25 }
26
27 cubeb_stream_params params{};
28 params.rate = sample_rate;
29 params.channels = num_channels;
20 params.format = CUBEB_SAMPLE_S16NE; 30 params.format = CUBEB_SAMPLE_S16NE;
21 params.layout = CUBEB_LAYOUT_STEREO; 31 params.layout = num_channels == 1 ? CUBEB_LAYOUT_MONO : CUBEB_LAYOUT_STEREO;
22 32
23 u32 minimum_latency = 0; 33 u32 minimum_latency{};
24 if (cubeb_get_min_latency(ctx, &params, &minimum_latency) != CUBEB_OK) { 34 if (cubeb_get_min_latency(ctx, &params, &minimum_latency) != CUBEB_OK) {
25 LOG_CRITICAL(Audio_Sink, "Error getting minimum latency"); 35 LOG_CRITICAL(Audio_Sink, "Error getting minimum latency");
26 } 36 }
27 37
28 if (cubeb_stream_init(ctx, &stream_backend, "yuzu Audio Output", nullptr, nullptr, 38 if (cubeb_stream_init(ctx, &stream_backend, name.c_str(), nullptr, nullptr, output_device,
29 output_device, &params, std::max(512u, minimum_latency), 39 &params, std::max(512u, minimum_latency),
30 &SinkStreamImpl::DataCallback, &SinkStreamImpl::StateCallback, 40 &SinkStreamImpl::DataCallback, &SinkStreamImpl::StateCallback,
31 this) != CUBEB_OK) { 41 this) != CUBEB_OK) {
32 LOG_CRITICAL(Audio_Sink, "Error initializing cubeb stream"); 42 LOG_CRITICAL(Audio_Sink, "Error initializing cubeb stream");
@@ -51,33 +61,29 @@ public:
51 cubeb_stream_destroy(stream_backend); 61 cubeb_stream_destroy(stream_backend);
52 } 62 }
53 63
54 void EnqueueSamples(u32 num_channels, const s16* samples, size_t sample_count) override { 64 void EnqueueSamples(u32 num_channels, const std::vector<s16>& samples) override {
55 if (!ctx) { 65 if (!ctx) {
56 return; 66 return;
57 } 67 }
58 68
59 queue.reserve(queue.size() + sample_count * GetNumChannels()); 69 queue.reserve(queue.size() + samples.size() * GetNumChannels());
60 70
61 if (num_channels == 2) { 71 if (is_6_channel) {
62 // Copy as-is
63 std::copy(samples, samples + sample_count * GetNumChannels(),
64 std::back_inserter(queue));
65 } else if (num_channels == 6) {
66 // Downsample 6 channels to 2 72 // Downsample 6 channels to 2
67 const size_t sample_count_copy_size = sample_count * num_channels * 2; 73 const size_t sample_count_copy_size = samples.size() * 2;
68 queue.reserve(sample_count_copy_size); 74 queue.reserve(sample_count_copy_size);
69 for (size_t i = 0; i < sample_count * num_channels; i += num_channels) { 75 for (size_t i = 0; i < samples.size(); i += num_channels) {
70 queue.push_back(samples[i]); 76 queue.push_back(samples[i]);
71 queue.push_back(samples[i + 1]); 77 queue.push_back(samples[i + 1]);
72 } 78 }
73 } else { 79 } else {
74 ASSERT_MSG(false, "Unimplemented"); 80 // Copy as-is
81 std::copy(samples.begin(), samples.end(), std::back_inserter(queue));
75 } 82 }
76 } 83 }
77 84
78 u32 GetNumChannels() const { 85 u32 GetNumChannels() const {
79 // Only support 2-channel stereo output for now 86 return num_channels;
80 return 2;
81 } 87 }
82 88
83private: 89private:
@@ -85,6 +91,8 @@ private:
85 91
86 cubeb* ctx{}; 92 cubeb* ctx{};
87 cubeb_stream* stream_backend{}; 93 cubeb_stream* stream_backend{};
94 u32 num_channels{};
95 bool is_6_channel{};
88 96
89 std::vector<s16> queue; 97 std::vector<s16> queue;
90 98
@@ -129,8 +137,10 @@ CubebSink::~CubebSink() {
129 cubeb_destroy(ctx); 137 cubeb_destroy(ctx);
130} 138}
131 139
132SinkStream& CubebSink::AcquireSinkStream(u32 sample_rate, u32 num_channels) { 140SinkStream& CubebSink::AcquireSinkStream(u32 sample_rate, u32 num_channels,
133 sink_streams.push_back(std::make_unique<SinkStreamImpl>(ctx, output_device)); 141 const std::string& name) {
142 sink_streams.push_back(
143 std::make_unique<SinkStreamImpl>(ctx, sample_rate, num_channels, output_device, name));
134 return *sink_streams.back(); 144 return *sink_streams.back();
135} 145}
136 146