blob: 90e83b549751632972333b38aeb299a983520e50 [file] [log] [blame]
// 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 "remoting/client/plugin/pepper_audio_player.h"
#include <algorithm>
#include "base/logging.h"
#include "base/stl_util.h"
// The frame size we will request from the browser.
const int kFrameSizeMs = 40;
namespace remoting {
PepperAudioPlayer::PepperAudioPlayer(pp::Instance* instance)
: instance_(instance),
samples_per_frame_(0) {
}
PepperAudioPlayer::~PepperAudioPlayer() {
}
uint32_t PepperAudioPlayer::GetSamplesPerFrame() {
return samples_per_frame_;
}
bool PepperAudioPlayer::ResetAudioPlayer(
AudioPacket::SamplingRate sampling_rate) {
PP_AudioSampleRate pp_sampling_rate = PP_AUDIOSAMPLERATE_NONE;
switch (sampling_rate) {
case AudioPacket::SAMPLING_RATE_44100:
pp_sampling_rate = PP_AUDIOSAMPLERATE_44100;
break;
case AudioPacket::SAMPLING_RATE_48000:
pp_sampling_rate = PP_AUDIOSAMPLERATE_48000;
break;
default:
LOG(ERROR) << "Unsupported audio sampling rate: " << sampling_rate;
return false;
}
// Ask the browser/device for an appropriate frame size.
samples_per_frame_ = pp::AudioConfig::RecommendSampleFrameCount(
instance_, pp_sampling_rate,
kFrameSizeMs * sampling_rate / base::Time::kMillisecondsPerSecond);
// Create an audio configuration resource.
pp::AudioConfig audio_config = pp::AudioConfig(
instance_, pp_sampling_rate, samples_per_frame_);
// Create an audio resource.
audio_ = pp::Audio(instance_, audio_config, AudioPlayerCallback, this);
// Immediately start the player.
bool success = audio_.StartPlayback();
if (!success)
LOG(ERROR) << "Failed to start Pepper audio player";
return success;
}
} // namespace remoting