summaryrefslogtreecommitdiffstats
path: root/src/audio_core/device/device_session.cpp
blob: 86811fcb8f5a1e605c39b5eb40fa87cc61918eab (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later

#include "audio_core/audio_core.h"
#include "audio_core/audio_manager.h"
#include "audio_core/device/audio_buffer.h"
#include "audio_core/device/device_session.h"
#include "audio_core/sink/sink_stream.h"
#include "core/core.h"
#include "core/core_timing.h"
#include "core/memory.h"

namespace AudioCore {

using namespace std::literals;
constexpr auto INCREMENT_TIME{5ms};

DeviceSession::DeviceSession(Core::System& system_)
    : system{system_}, thread_event{Core::Timing::CreateEvent(
                           "AudioOutSampleTick",
                           [this](std::uintptr_t, s64 time, std::chrono::nanoseconds) {
                               return ThreadFunc();
                           })} {}

DeviceSession::~DeviceSession() {
    Finalize();
}

Result DeviceSession::Initialize(std::string_view name_, SampleFormat sample_format_,
                                 u16 channel_count_, size_t session_id_, u32 handle_,
                                 u64 applet_resource_user_id_, Sink::StreamType type_) {
    if (stream) {
        Finalize();
    }
    name = fmt::format("{}-{}", name_, session_id_);
    type = type_;
    sample_format = sample_format_;
    channel_count = channel_count_;
    session_id = session_id_;
    handle = handle_;
    applet_resource_user_id = applet_resource_user_id_;

    if (type == Sink::StreamType::In) {
        sink = &system.AudioCore().GetInputSink();
    } else {
        sink = &system.AudioCore().GetOutputSink();
    }
    stream = sink->AcquireSinkStream(system, channel_count, name, type);
    initialized = true;
    return ResultSuccess;
}

void DeviceSession::Finalize() {
    if (initialized) {
        Stop();
        sink->CloseStream(stream);
        stream = nullptr;
    }
}

void DeviceSession::Start() {
    if (stream) {
        stream->Start();
        system.CoreTiming().ScheduleLoopingEvent(std::chrono::nanoseconds::zero(), INCREMENT_TIME,
                                                 thread_event);
    }
}

void DeviceSession::Stop() {
    if (stream) {
        stream->Stop();
        system.CoreTiming().UnscheduleEvent(thread_event, {});
    }
}

void DeviceSession::ClearBuffers() {
    if (stream) {
        stream->ClearQueue();
    }
}

void DeviceSession::AppendBuffers(std::span<const AudioBuffer> buffers) {
    for (const auto& buffer : buffers) {
        Sink::SinkBuffer new_buffer{
            .frames = buffer.size / (channel_count * sizeof(s16)),
            .frames_played = 0,
            .tag = buffer.tag,
            .consumed = false,
        };

        tmp_samples.resize_destructive(buffer.size / sizeof(s16));
        if (type == Sink::StreamType::In) {
            stream->AppendBuffer(new_buffer, tmp_samples);
        } else {
            system.ApplicationMemory().ReadBlockUnsafe(buffer.samples, tmp_samples.data(),
                                                       buffer.size);
            stream->AppendBuffer(new_buffer, tmp_samples);
        }
    }
}

void DeviceSession::ReleaseBuffer(const AudioBuffer& buffer) const {
    if (type == Sink::StreamType::In) {
        auto samples{stream->ReleaseBuffer(buffer.size / sizeof(s16))};
        system.ApplicationMemory().WriteBlockUnsafe(buffer.samples, samples.data(), buffer.size);
    }
}

bool DeviceSession::IsBufferConsumed(const AudioBuffer& buffer) const {
    return played_sample_count >= buffer.end_timestamp;
}

void DeviceSession::SetVolume(f32 volume) const {
    if (stream) {
        stream->SetSystemVolume(volume);
    }
}

u64 DeviceSession::GetPlayedSampleCount() const {
    return played_sample_count;
}

std::optional<std::chrono::nanoseconds> DeviceSession::ThreadFunc() {
    played_sample_count = stream->GetExpectedPlayedSampleCount();
    if (type == Sink::StreamType::Out) {
        system.AudioCore().GetAudioManager().SetEvent(Event::Type::AudioOutManager, true);
    } else {
        system.AudioCore().GetAudioManager().SetEvent(Event::Type::AudioInManager, true);
    }
    return std::nullopt;
}

void DeviceSession::SetRingSize(u32 ring_size) {
    stream->SetRingSize(ring_size);
}

} // namespace AudioCore