diff options
Diffstat (limited to 'www/chromium/files/audio_manager_openbsd.cc')
| -rw-r--r-- | www/chromium/files/audio_manager_openbsd.cc | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/www/chromium/files/audio_manager_openbsd.cc b/www/chromium/files/audio_manager_openbsd.cc new file mode 100644 index 000000000000..dd4a30fa4669 --- /dev/null +++ b/www/chromium/files/audio_manager_openbsd.cc @@ -0,0 +1,205 @@ +// Copyright (c) 2012 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "base/metrics/histogram_macros.h" + +#include "media/audio/openbsd/audio_manager_openbsd.h" + +#include "media/audio/audio_device_description.h" +#include "media/audio/audio_output_dispatcher.h" +#if defined(USE_PULSEAUDIO) +#include "media/audio/pulse/audio_manager_pulse.h" +#endif +#if defined(USE_SNDIO) +#include "media/audio/sndio/sndio_input.h" +#include "media/audio/sndio/sndio_output.h" +#else +#include "media/audio/fake_audio_manager.h" +#endif +#include "media/base/limits.h" +#include "media/base/media_switches.h" + +namespace media { + +enum OpenBSDAudioIO { + kPulse, + kSndio, + kAudioIOMax = kSndio +}; + +#if defined(USE_SNDIO) +// Maximum number of output streams that can be open simultaneously. +static const int kMaxOutputStreams = 4; + +// Default sample rate for input and output streams. +static const int kDefaultSampleRate = 48000; + +void AddDefaultDevice(AudioDeviceNames* device_names) { + DCHECK(device_names->empty()); + device_names->push_front(AudioDeviceName::CreateDefault()); +} + +bool AudioManagerOpenBSD::HasAudioOutputDevices() { + return true; +} + +bool AudioManagerOpenBSD::HasAudioInputDevices() { + return true; +} + +void AudioManagerOpenBSD::ShowAudioInputSettings() { + NOTIMPLEMENTED(); +} + +void AudioManagerOpenBSD::GetAudioInputDeviceNames( + AudioDeviceNames* device_names) { + DCHECK(device_names->empty()); + AddDefaultDevice(device_names); +} + +void AudioManagerOpenBSD::GetAudioOutputDeviceNames( + AudioDeviceNames* device_names) { + AddDefaultDevice(device_names); +} + +#if defined(USE_SNDIO) +const char* AudioManagerOpenBSD::GetName() { + return "SNDIO"; +} +#endif + +AudioParameters AudioManagerOpenBSD::GetInputStreamParameters( + const std::string& device_id) { + static const int kDefaultInputBufferSize = 1024; + + int user_buffer_size = GetUserBufferSize(); + int buffer_size = user_buffer_size ? + user_buffer_size : kDefaultInputBufferSize; + + return AudioParameters( + AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_STEREO, + kDefaultSampleRate, 16, buffer_size); +} + +AudioManagerOpenBSD::AudioManagerOpenBSD( + scoped_refptr<base::SingleThreadTaskRunner> task_runner, + scoped_refptr<base::SingleThreadTaskRunner> worker_task_runner, + AudioLogFactory* audio_log_factory) + : AudioManagerBase(std::move(task_runner), + std::move(worker_task_runner), + audio_log_factory) { + DLOG(WARNING) << "AudioManagerOpenBSD"; + SetMaxOutputStreamsAllowed(kMaxOutputStreams); +} + +AudioManagerOpenBSD::~AudioManagerOpenBSD() { + Shutdown(); +} + +AudioOutputStream* AudioManagerOpenBSD::MakeLinearOutputStream( + const AudioParameters& params, + const LogCallback& log_callback) { + DCHECK_EQ(AudioParameters::AUDIO_PCM_LINEAR, params.format()); + return MakeOutputStream(params); +} + +AudioOutputStream* AudioManagerOpenBSD::MakeLowLatencyOutputStream( + const AudioParameters& params, + const std::string& device_id, + const LogCallback& log_callback) { + DLOG_IF(ERROR, !device_id.empty()) << "Not implemented!"; + DCHECK_EQ(AudioParameters::AUDIO_PCM_LOW_LATENCY, params.format()); + return MakeOutputStream(params); +} + +AudioInputStream* AudioManagerOpenBSD::MakeLinearInputStream( + const AudioParameters& params, + const std::string& device_id, + const LogCallback& log_callback) { + DCHECK_EQ(AudioParameters::AUDIO_PCM_LINEAR, params.format()); + return MakeInputStream(params); +} + +AudioInputStream* AudioManagerOpenBSD::MakeLowLatencyInputStream( + const AudioParameters& params, + const std::string& device_id, + const LogCallback& log_callback) { + DCHECK_EQ(AudioParameters::AUDIO_PCM_LOW_LATENCY, params.format()); + return MakeInputStream(params); +} + +AudioParameters AudioManagerOpenBSD::GetPreferredOutputStreamParameters( + const std::string& output_device_id, + const AudioParameters& input_params) { + // TODO(tommi): Support |output_device_id|. + DLOG_IF(ERROR, !output_device_id.empty()) << "Not implemented!"; + static const int kDefaultOutputBufferSize = 2048; + + ChannelLayout channel_layout = CHANNEL_LAYOUT_STEREO; + int sample_rate = kDefaultSampleRate; + int buffer_size = kDefaultOutputBufferSize; + int bits_per_sample = 16; + if (input_params.IsValid()) { + sample_rate = input_params.sample_rate(); + bits_per_sample = input_params.bits_per_sample(); + channel_layout = input_params.channel_layout(); + buffer_size = std::min(buffer_size, input_params.frames_per_buffer()); + } + + int user_buffer_size = GetUserBufferSize(); + if (user_buffer_size) + buffer_size = user_buffer_size; + + return AudioParameters( + AudioParameters::AUDIO_PCM_LOW_LATENCY, channel_layout, + sample_rate, bits_per_sample, buffer_size); +} + +AudioInputStream* AudioManagerOpenBSD::MakeInputStream( + const AudioParameters& params) { + DLOG(WARNING) << "MakeInputStream"; + return new SndioAudioInputStream(this, + AudioDeviceDescription::kDefaultDeviceId, params); +} + +AudioOutputStream* AudioManagerOpenBSD::MakeOutputStream( + const AudioParameters& params) { + DLOG(WARNING) << "MakeOutputStream"; + return new SndioAudioOutputStream(params, this); +} +#endif + +ScopedAudioManagerPtr CreateAudioManager( + scoped_refptr<base::SingleThreadTaskRunner> task_runner, + scoped_refptr<base::SingleThreadTaskRunner> worker_task_runner, + AudioLogFactory* audio_log_factory) { + DLOG(WARNING) << "CreateAudioManager"; +#if defined(USE_PULSEAUDIO) + // Do not move task runners when creating AudioManagerPulse. + // If the creation fails, we need to use the task runners to create other + // AudioManager implementations. + std::unique_ptr<AudioManagerPulse, AudioManagerDeleter> manager( + new AudioManagerPulse(task_runner, worker_task_runner, + audio_log_factory)); + if (manager->Init()) { + UMA_HISTOGRAM_ENUMERATION("Media.OpenBSDAudioIO", kPulse, kAudioIOMax + 1); + return std::move(manager); + } + DVLOG(1) << "PulseAudio is not available on the OS"; +#endif + +#if defined(USE_SNDIO) + UMA_HISTOGRAM_ENUMERATION("Media.OpenBSDAudioIO", kSndio, kAudioIOMax + 1); + return ScopedAudioManagerPtr( + new AudioManagerOpenBSD(std::move(task_runner), + std::move(worker_task_runner),audio_log_factory)); +#else + return ScopedAudioManagerPtr( + new FakeAudioManager(std::move(task_runner), + std::move(worker_task_runner), audio_log_factory)); +#endif + +} + +} // namespace media |