| // Copyright 2016 Google Inc. All Rights Reserved. |
| // |
| // 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 "starboard/nplb/audio_sink_helpers.h" |
| |
| namespace starboard { |
| namespace nplb { |
| |
| namespace { |
| |
| SbMediaAudioSampleType GetAnySupportedSampleType() { |
| if (SbAudioSinkIsAudioSampleTypeSupported(kSbMediaAudioSampleTypeInt16)) { |
| return kSbMediaAudioSampleTypeInt16; |
| } |
| return kSbMediaAudioSampleTypeFloat32; |
| } |
| |
| SbMediaAudioFrameStorageType GetAnySupportedFrameStorageType() { |
| if (SbAudioSinkIsAudioFrameStorageTypeSupported( |
| kSbMediaAudioFrameStorageTypeInterleaved)) { |
| return kSbMediaAudioFrameStorageTypeInterleaved; |
| } |
| return kSbMediaAudioFrameStorageTypePlanar; |
| } |
| |
| } // namespace |
| |
| AudioSinkTestFrameBuffers::AudioSinkTestFrameBuffers(int channels) |
| : channels_(channels), |
| sample_type_(GetAnySupportedSampleType()), |
| storage_type_(GetAnySupportedFrameStorageType()) { |
| Init(); |
| } |
| |
| AudioSinkTestFrameBuffers::AudioSinkTestFrameBuffers( |
| int channels, |
| SbMediaAudioSampleType sample_type) |
| : channels_(channels), |
| sample_type_(sample_type), |
| storage_type_(GetAnySupportedFrameStorageType()) { |
| Init(); |
| } |
| |
| AudioSinkTestFrameBuffers::AudioSinkTestFrameBuffers( |
| int channels, |
| SbMediaAudioFrameStorageType storage_type) |
| : channels_(channels), |
| sample_type_(GetAnySupportedSampleType()), |
| storage_type_(storage_type) { |
| Init(); |
| } |
| |
| AudioSinkTestFrameBuffers::AudioSinkTestFrameBuffers( |
| int channels, |
| SbMediaAudioSampleType sample_type, |
| SbMediaAudioFrameStorageType storage_type) |
| : channels_(channels), |
| sample_type_(sample_type), |
| storage_type_(storage_type) { |
| Init(); |
| } |
| |
| void AudioSinkTestFrameBuffers::Init() { |
| if (storage_type_ == kSbMediaAudioFrameStorageTypeInterleaved) { |
| frame_buffer_.resize(bytes_per_frame() * channels_ * kFramesPerChannel); |
| frame_buffers_.resize(1); |
| frame_buffers_[0] = &frame_buffer_[0]; |
| } else { |
| // We make all planar audio channels share the same frame buffer. |
| frame_buffer_.resize(bytes_per_frame() * frames_per_channel()); |
| frame_buffers_.resize(channels_, &frame_buffer_[0]); |
| } |
| } |
| |
| AudioSinkTestEnvironment::AudioSinkTestEnvironment( |
| const AudioSinkTestFrameBuffers& frame_buffers) |
| : frame_buffers_(frame_buffers), |
| condition_variable_(mutex_), |
| update_source_status_call_count_(0), |
| frames_appended_(0), |
| frames_consumed_(0), |
| is_playing_(true) { |
| sink_ = SbAudioSinkCreate( |
| frame_buffers_.channels(), sample_rate(), frame_buffers_.sample_type(), |
| frame_buffers_.storage_type(), frame_buffers_.frame_buffers(), |
| frame_buffers_.frames_per_channel(), UpdateSourceStatusFunc, |
| ConsumeFramesFunc, this); |
| } |
| |
| AudioSinkTestEnvironment::~AudioSinkTestEnvironment() { |
| SbAudioSinkDestroy(sink_); |
| } |
| |
| void AudioSinkTestEnvironment::SetIsPlaying(bool is_playing) { |
| ScopedLock lock(mutex_); |
| is_playing_ = is_playing; |
| } |
| |
| void AudioSinkTestEnvironment::AppendFrame(int frames_to_append) { |
| ScopedLock lock(mutex_); |
| frames_appended_ += frames_to_append; |
| } |
| |
| int AudioSinkTestEnvironment::GetFrameBufferFreeSpaceAmount() const { |
| ScopedLock lock(mutex_); |
| int frames_in_buffer = frames_appended_ - frames_consumed_; |
| return frame_buffers_.frames_per_channel() - frames_in_buffer; |
| } |
| |
| bool AudioSinkTestEnvironment::WaitUntilUpdateStatusCalled() { |
| ScopedLock lock(mutex_); |
| int update_source_status_call_count = update_source_status_call_count_; |
| SbTimeMonotonic start = SbTimeGetMonotonicNow(); |
| while (update_source_status_call_count == update_source_status_call_count_) { |
| SbTime time_elapsed = SbTimeGetMonotonicNow() - start; |
| if (time_elapsed >= kTimeToTry) { |
| return false; |
| } |
| SbTime time_to_wait = kTimeToTry - time_elapsed; |
| condition_variable_.WaitTimed(time_to_wait); |
| } |
| return true; |
| } |
| |
| bool AudioSinkTestEnvironment::WaitUntilSomeFramesAreConsumed() { |
| ScopedLock lock(mutex_); |
| int frames_consumed = frames_consumed_; |
| SbTimeMonotonic start = SbTimeGetMonotonicNow(); |
| while (frames_consumed == frames_consumed_) { |
| SbTime time_elapsed = SbTimeGetMonotonicNow() - start; |
| if (time_elapsed >= kTimeToTry) { |
| return false; |
| } |
| SbTime time_to_wait = kTimeToTry - time_elapsed; |
| condition_variable_.WaitTimed(time_to_wait); |
| } |
| return true; |
| } |
| |
| bool AudioSinkTestEnvironment::WaitUntilAllFramesAreConsumed() { |
| ScopedLock lock(mutex_); |
| SbTimeMonotonic start = SbTimeGetMonotonicNow(); |
| while (frames_appended_ != frames_consumed_) { |
| SbTime time_elapsed = SbTimeGetMonotonicNow() - start; |
| if (time_elapsed >= kTimeToTry) { |
| return false; |
| } |
| SbTime time_to_wait = kTimeToTry - time_elapsed; |
| condition_variable_.WaitTimed(time_to_wait); |
| } |
| return true; |
| } |
| |
| void AudioSinkTestEnvironment::OnUpdateSourceStatus(int* frames_in_buffer, |
| int* offset_in_frames, |
| bool* is_playing, |
| bool* is_eos_reached) { |
| ScopedLock lock(mutex_); |
| *frames_in_buffer = frames_appended_ - frames_consumed_; |
| *offset_in_frames = frames_appended_ % frame_buffers_.frames_per_channel(); |
| *is_playing = is_playing_; |
| *is_eos_reached = false; |
| ++update_source_status_call_count_; |
| condition_variable_.Signal(); |
| } |
| |
| void AudioSinkTestEnvironment::OnConsumeFrames(int frames_consumed) { |
| ScopedLock lock(mutex_); |
| frames_consumed_ += frames_consumed; |
| condition_variable_.Signal(); |
| } |
| |
| // static |
| void AudioSinkTestEnvironment::UpdateSourceStatusFunc(int* frames_in_buffer, |
| int* offset_in_frames, |
| bool* is_playing, |
| bool* is_eos_reached, |
| void* context) { |
| AudioSinkTestEnvironment* environment = |
| reinterpret_cast<AudioSinkTestEnvironment*>(context); |
| environment->OnUpdateSourceStatus(frames_in_buffer, offset_in_frames, |
| is_playing, is_eos_reached); |
| } |
| |
| // static |
| void AudioSinkTestEnvironment::ConsumeFramesFunc(int frames_consumed, |
| void* context) { |
| AudioSinkTestEnvironment* environment = |
| reinterpret_cast<AudioSinkTestEnvironment*>(context); |
| environment->OnConsumeFrames(frames_consumed); |
| } |
| |
| } // namespace nplb |
| } // namespace starboard |