summaryrefslogtreecommitdiffstats
path: root/src/audio_core/audio_renderer.cpp
blob: a7e851bb8d77e97175f0bd2b5da18bbd0585cd77 (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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
// Copyright 2018 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.

#include <vector>

#include "audio_core/audio_out.h"
#include "audio_core/audio_renderer.h"
#include "audio_core/common.h"
#include "audio_core/info_updater.h"
#include "audio_core/voice_context.h"
#include "common/logging/log.h"
#include "core/hle/kernel/writable_event.h"
#include "core/memory.h"
#include "core/settings.h"

namespace AudioCore {
AudioRenderer::AudioRenderer(Core::Timing::CoreTiming& core_timing, Core::Memory::Memory& memory_,
                             AudioCommon::AudioRendererParameter params,
                             std::shared_ptr<Kernel::WritableEvent> buffer_event,
                             std::size_t instance_number)
    : worker_params{params}, buffer_event{buffer_event},
      memory_pool_info(params.effect_count + params.voice_count * 4),
      voice_context(params.voice_count), effect_context(params.effect_count), mix_context(),
      sink_context(params.sink_count), splitter_context(),
      voices(params.voice_count), memory{memory_},
      command_generator(worker_params, voice_context, mix_context, splitter_context, effect_context,
                        memory),
      temp_mix_buffer(AudioCommon::TOTAL_TEMP_MIX_SIZE) {
    behavior_info.SetUserRevision(params.revision);
    splitter_context.Initialize(behavior_info, params.splitter_count,
                                params.num_splitter_send_channels);
    mix_context.Initialize(behavior_info, params.submix_count + 1, params.effect_count);
    audio_out = std::make_unique<AudioCore::AudioOut>();
    stream =
        audio_out->OpenStream(core_timing, params.sample_rate, AudioCommon::STREAM_NUM_CHANNELS,
                              fmt::format("AudioRenderer-Instance{}", instance_number),
                              [=]() { buffer_event->Signal(); });
    audio_out->StartStream(stream);

    QueueMixedBuffer(0);
    QueueMixedBuffer(1);
    QueueMixedBuffer(2);
    QueueMixedBuffer(3);
}

AudioRenderer::~AudioRenderer() = default;

u32 AudioRenderer::GetSampleRate() const {
    return worker_params.sample_rate;
}

u32 AudioRenderer::GetSampleCount() const {
    return worker_params.sample_count;
}

u32 AudioRenderer::GetMixBufferCount() const {
    return worker_params.mix_buffer_count;
}

Stream::State AudioRenderer::GetStreamState() const {
    return stream->GetState();
}

static constexpr s16 ClampToS16(s32 value) {
    return static_cast<s16>(std::clamp(value, -32768, 32767));
}

ResultCode AudioRenderer::UpdateAudioRenderer(const std::vector<u8>& input_params,
                                              std::vector<u8>& output_params) {

    InfoUpdater info_updater{input_params, output_params, behavior_info};

    if (!info_updater.UpdateBehaviorInfo(behavior_info)) {
        LOG_ERROR(Audio, "Failed to update behavior info input parameters");
        return AudioCommon::Audren::ERR_INVALID_PARAMETERS;
    }

    if (!info_updater.UpdateMemoryPools(memory_pool_info)) {
        LOG_ERROR(Audio, "Failed to update memory pool parameters");
        return AudioCommon::Audren::ERR_INVALID_PARAMETERS;
    }

    if (!info_updater.UpdateVoiceChannelResources(voice_context)) {
        LOG_ERROR(Audio, "Failed to update voice channel resource parameters");
        return AudioCommon::Audren::ERR_INVALID_PARAMETERS;
    }

    if (!info_updater.UpdateVoices(voice_context, memory_pool_info, 0)) {
        LOG_ERROR(Audio, "Failed to update voice parameters");
        return AudioCommon::Audren::ERR_INVALID_PARAMETERS;
    }

    // TODO(ogniK): Deal with stopped audio renderer but updates still taking place
    if (!info_updater.UpdateEffects(effect_context, true)) {
        LOG_ERROR(Audio, "Failed to update effect parameters");
        return AudioCommon::Audren::ERR_INVALID_PARAMETERS;
    }

    if (behavior_info.IsSplitterSupported()) {
        if (!info_updater.UpdateSplitterInfo(splitter_context)) {
            LOG_ERROR(Audio, "Failed to update splitter parameters");
            return AudioCommon::Audren::ERR_INVALID_PARAMETERS;
        }
    }

    auto mix_result = info_updater.UpdateMixes(mix_context, worker_params.mix_buffer_count,
                                               splitter_context, effect_context);

    if (mix_result.IsError()) {
        LOG_ERROR(Audio, "Failed to update mix parameters");
        return mix_result;
    }

    // TODO(ogniK): Sinks
    if (!info_updater.UpdateSinks(sink_context)) {
        LOG_ERROR(Audio, "Failed to update sink parameters");
        return AudioCommon::Audren::ERR_INVALID_PARAMETERS;
    }

    // TODO(ogniK): Performance buffer
    if (!info_updater.UpdatePerformanceBuffer()) {
        LOG_ERROR(Audio, "Failed to update performance buffer parameters");
        return AudioCommon::Audren::ERR_INVALID_PARAMETERS;
    }

    if (!info_updater.UpdateErrorInfo(behavior_info)) {
        LOG_ERROR(Audio, "Failed to update error info");
        return AudioCommon::Audren::ERR_INVALID_PARAMETERS;
    }

    if (behavior_info.IsElapsedFrameCountSupported()) {
        if (!info_updater.UpdateRendererInfo(elapsed_frame_count)) {
            LOG_ERROR(Audio, "Failed to update renderer info");
            return AudioCommon::Audren::ERR_INVALID_PARAMETERS;
        }
    }
    // TODO(ogniK): Statistics

    if (!info_updater.WriteOutputHeader()) {
        LOG_ERROR(Audio, "Failed to write output header");
        return AudioCommon::Audren::ERR_INVALID_PARAMETERS;
    }

    // TODO(ogniK): Check when all sections are implemented

    if (!info_updater.CheckConsumedSize()) {
        LOG_ERROR(Audio, "Audio buffers were not consumed!");
        return AudioCommon::Audren::ERR_INVALID_PARAMETERS;
    }

    ReleaseAndQueueBuffers();

    return RESULT_SUCCESS;
}

void AudioRenderer::QueueMixedBuffer(Buffer::Tag tag) {
    command_generator.PreCommand();
    // Clear mix buffers before our next operation
    command_generator.ClearMixBuffers();

    // If the splitter is not in use, sort our mixes
    if (!splitter_context.UsingSplitter()) {
        mix_context.SortInfo();
    }
    // Sort our voices
    voice_context.SortInfo();

    // Handle samples
    command_generator.GenerateVoiceCommands();
    command_generator.GenerateSubMixCommands();
    command_generator.GenerateFinalMixCommands();

    command_generator.PostCommand();
    // Base sample size
    std::size_t BUFFER_SIZE{worker_params.sample_count};
    // Samples
    std::vector<s16> buffer(BUFFER_SIZE * stream->GetNumChannels());
    // Make sure to clear our samples
    std::memset(buffer.data(), 0, buffer.size() * sizeof(s16));

    if (sink_context.InUse()) {
        const auto stream_channel_count = stream->GetNumChannels();
        const auto buffer_offsets = sink_context.OutputBuffers();
        const auto channel_count = buffer_offsets.size();
        const auto& final_mix = mix_context.GetFinalMixInfo();
        const auto& in_params = final_mix.GetInParams();
        std::vector<s32*> mix_buffers(channel_count);
        for (std::size_t i = 0; i < channel_count; i++) {
            mix_buffers[i] =
                command_generator.GetMixBuffer(in_params.buffer_offset + buffer_offsets[i]);
        }

        for (std::size_t i = 0; i < BUFFER_SIZE; i++) {
            if (channel_count == 1) {
                const auto sample = ClampToS16(mix_buffers[0][i]);
                buffer[i * stream_channel_count + 0] = sample;
                if (stream_channel_count > 1) {
                    buffer[i * stream_channel_count + 1] = sample;
                }
                if (stream_channel_count == 6) {
                    buffer[i * stream_channel_count + 2] = sample;
                    buffer[i * stream_channel_count + 4] = sample;
                    buffer[i * stream_channel_count + 5] = sample;
                }
            } else if (channel_count == 2) {
                const auto l_sample = ClampToS16(mix_buffers[0][i]);
                const auto r_sample = ClampToS16(mix_buffers[1][i]);
                if (stream_channel_count == 1) {
                    buffer[i * stream_channel_count + 0] = l_sample;
                } else if (stream_channel_count == 2) {
                    buffer[i * stream_channel_count + 0] = l_sample;
                    buffer[i * stream_channel_count + 1] = r_sample;
                } else if (stream_channel_count == 6) {
                    buffer[i * stream_channel_count + 0] = l_sample;
                    buffer[i * stream_channel_count + 1] = r_sample;

                    buffer[i * stream_channel_count + 2] =
                        ClampToS16((static_cast<s32>(l_sample) + static_cast<s32>(r_sample)) / 2);

                    buffer[i * stream_channel_count + 4] = l_sample;
                    buffer[i * stream_channel_count + 5] = r_sample;
                }

            } else if (channel_count == 6) {
                const auto fl_sample = ClampToS16(mix_buffers[0][i]);
                const auto fr_sample = ClampToS16(mix_buffers[1][i]);
                const auto fc_sample = ClampToS16(mix_buffers[2][i]);
                const auto lf_sample = ClampToS16(mix_buffers[3][i]);
                const auto bl_sample = ClampToS16(mix_buffers[4][i]);
                const auto br_sample = ClampToS16(mix_buffers[5][i]);

                if (stream_channel_count == 1) {
                    buffer[i * stream_channel_count + 0] = fc_sample;
                } else if (stream_channel_count == 2) {
                    buffer[i * stream_channel_count + 0] =
                        static_cast<s16>(0.3694f * static_cast<float>(fl_sample) +
                                         0.2612f * static_cast<float>(fc_sample) +
                                         0.3694f * static_cast<float>(bl_sample));
                    buffer[i * stream_channel_count + 1] =
                        static_cast<s16>(0.3694f * static_cast<float>(fr_sample) +
                                         0.2612f * static_cast<float>(fc_sample) +
                                         0.3694f * static_cast<float>(br_sample));
                } else if (stream_channel_count == 6) {
                    buffer[i * stream_channel_count + 0] = fl_sample;
                    buffer[i * stream_channel_count + 1] = fr_sample;
                    buffer[i * stream_channel_count + 2] = fc_sample;
                    buffer[i * stream_channel_count + 3] = lf_sample;
                    buffer[i * stream_channel_count + 4] = bl_sample;
                    buffer[i * stream_channel_count + 5] = br_sample;
                }
            }
        }
    }

    audio_out->QueueBuffer(stream, tag, std::move(buffer));
    elapsed_frame_count++;
    voice_context.UpdateStateByDspShared();
}

void AudioRenderer::ReleaseAndQueueBuffers() {
    const auto released_buffers{audio_out->GetTagsAndReleaseBuffers(stream, 2)};
    for (const auto& tag : released_buffers) {
        QueueMixedBuffer(tag);
    }
}

} // namespace AudioCore