client-sdk-cpp/src/platform_audio.cpp at main · livekit/client-sdk-cpp · GitHub

History

185 lines (150 loc) · 6.32 KB

Raw

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

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

* http://www.apache.org/licenses/LICENSE-2.0

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

#include "livekit/platform_audio.h"

#include <utility>

#include "ffi.pb.h"

#include "ffi_client.h"

namespace livekit {

struct PlatformAudioState {

FfiHandle handle;

};

namespace {

std::uint64_t requireHandle(const std::shared_ptr<PlatformAudioState>& state) {

if (!state || !state->handle) {

throw PlatformAudioError("PlatformAudio has no valid FFI handle");

}

return static_cast<std::uint64_t>(state->handle.get());

}

AudioDeviceInfo fromProto(const proto::AudioDeviceInfo& device) {

AudioDeviceInfo out;

out.index = device.index();

out.name = device.name();

out.id = device.has_guid() ? device.guid() : std::string();

return out;

}

std::vector<AudioDeviceInfo> convertDevices(const google::protobuf::RepeatedPtrField<proto::AudioDeviceInfo>& devices) {

std::vector<AudioDeviceInfo> out;

out.reserve(static_cast<std::size_t>(devices.size()));

for (const auto& device : devices) {

out.push_back(fromProto(device));

}

return out;

}

proto::AudioSourceOptions toProto(const PlatformAudioOptions& options) {

proto::AudioSourceOptions out;

out.set_echo_cancellation(options.echo_cancellation);

out.set_noise_suppression(options.noise_suppression);

out.set_auto_gain_control(options.auto_gain_control);

out.set_prefer_hardware(options.prefer_hardware);

return out;

}

proto::GetAudioDevicesResponse getAudioDevices(const std::shared_ptr<PlatformAudioState>& state) {

proto::FfiRequest req;

req.mutable_get_audio_devices()->set_platform_audio_handle(requireHandle(state));

const proto::FfiResponse resp = FfiClient::instance().sendRequest(req);

if (!resp.has_get_audio_devices()) {

throw PlatformAudioError("FfiResponse missing get_audio_devices");

}

const auto& devices = resp.get_audio_devices();

if (devices.has_error() && !devices.error().empty()) {

throw PlatformAudioError(devices.error());

}

return devices;

}

} // namespace

PlatformAudioSource::PlatformAudioSource(FfiHandle handle, std::shared_ptr<PlatformAudioState> platform_audio) noexcept

: handle_(std::move(handle)), platform_audio_(std::move(platform_audio)) {}

PlatformAudio::PlatformAudio() {

proto::FfiRequest req;

req.mutable_new_platform_audio();

const proto::FfiResponse resp = FfiClient::instance().sendRequest(req);

if (!resp.has_new_platform_audio()) {

throw PlatformAudioError("Failed to construct PlatformAudio: FfiResponse missing new_platform_audio");

}

const auto& platform_audio = resp.new_platform_audio();

if (platform_audio.has_error()) {

throw PlatformAudioError(platform_audio.error());

}

if (!platform_audio.has_platform_audio()) {

throw PlatformAudioError("Failed to construct PlatformAudio: NewPlatformAudioResponse missing platform_audio");

}

const auto& owned = platform_audio.platform_audio();

state_ = std::make_shared<PlatformAudioState>();

state_->handle = FfiHandle(static_cast<uintptr_t>(owned.handle().id()));

}

std::int32_t PlatformAudio::recordingDeviceCount() const {

return static_cast<std::int32_t>(getAudioDevices(state_).recording_devices_size());

}

std::int32_t PlatformAudio::playoutDeviceCount() const {

return static_cast<std::int32_t>(getAudioDevices(state_).playout_devices_size());

}

std::vector<AudioDeviceInfo> PlatformAudio::recordingDevices() const {

return convertDevices(getAudioDevices(state_).recording_devices());

}

std::vector<AudioDeviceInfo> PlatformAudio::playoutDevices() const {

return convertDevices(getAudioDevices(state_).playout_devices());

}

void PlatformAudio::setRecordingDevice(const std::string& device_id) const {

proto::FfiRequest req;

auto* msg = req.mutable_set_recording_device();

msg->set_platform_audio_handle(requireHandle(state_));

msg->set_device_id(device_id);

const proto::FfiResponse resp = FfiClient::instance().sendRequest(req);

if (!resp.has_set_recording_device()) {

throw PlatformAudioError("FfiResponse missing set_recording_device");

}

const auto& set_device = resp.set_recording_device();

if (set_device.has_error() && !set_device.error().empty()) {

throw PlatformAudioError(set_device.error());

}

void PlatformAudio::setPlayoutDevice(const std::string& device_id) const {

proto::FfiRequest req;

auto* msg = req.mutable_set_playout_device();

msg->set_platform_audio_handle(requireHandle(state_));

msg->set_device_id(device_id);

const proto::FfiResponse resp = FfiClient::instance().sendRequest(req);

if (!resp.has_set_playout_device()) {

throw PlatformAudioError("FfiResponse missing set_playout_device");

}

const auto& set_device = resp.set_playout_device();

if (set_device.has_error() && !set_device.error().empty()) {

throw PlatformAudioError(set_device.error());

}

std::shared_ptr<PlatformAudioSource> PlatformAudio::createAudioSource(const PlatformAudioOptions& options) const {

proto::FfiRequest req;

auto* msg = req.mutable_new_audio_source();

msg->set_type(proto::AudioSourceType::AUDIO_SOURCE_PLATFORM);

msg->set_platform_audio_handle(requireHandle(state_));

*msg->mutable_options() = toProto(options);

const proto::FfiResponse resp = FfiClient::instance().sendRequest(req);

if (!resp.has_new_audio_source()) {

throw PlatformAudioError("FfiResponse missing new_audio_source");

}

const auto& new_source = resp.new_audio_source();

if (!new_source.has_source() || !new_source.source().has_handle()) {

throw PlatformAudioError("NewAudioSourceResponse missing source handle");

}

const auto& source = new_source.source();

const std::uint64_t handle_id = source.handle().id();

if (handle_id == 0) {

throw PlatformAudioError("NewAudioSourceResponse returned an invalid (null) source handle");

}

FfiHandle handle(static_cast<uintptr_t>(handle_id));

return std::shared_ptr<PlatformAudioSource>(new PlatformAudioSource(std::move(handle), state_));

}

} // namespace livekit

client-sdk-cpp/src/platform_audio.cpp at main · livekit/client-sdk-cpp · GitHub

Uh oh!

Expand file tree

Breadcrumbs

platform_audio.cpp

Latest commit

History

Breadcrumbs

platform_audio.cpp

File metadata and controls