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Unified Diff: media/audio/audio_parameters.cc

Issue 1907973003: media: Move audio_parameters and audio_point to media/base/ (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: rebase Created 4 years, 8 months ago
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Index: media/audio/audio_parameters.cc
diff --git a/media/audio/audio_parameters.cc b/media/audio/audio_parameters.cc
deleted file mode 100644
index 8f364cffc0ef575455d07e4ea46a0a18a1152c62..0000000000000000000000000000000000000000
--- a/media/audio/audio_parameters.cc
+++ /dev/null
@@ -1,107 +0,0 @@
-// 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 "media/audio/audio_parameters.h"
-
-#include "base/logging.h"
-#include "media/base/limits.h"
-
-namespace media {
-
-AudioParameters::AudioParameters()
- : AudioParameters(AUDIO_PCM_LINEAR, CHANNEL_LAYOUT_NONE, 0, 0, 0) {}
-
-AudioParameters::AudioParameters(Format format,
- ChannelLayout channel_layout,
- int sample_rate,
- int bits_per_sample,
- int frames_per_buffer) {
- Reset(format, channel_layout, sample_rate, bits_per_sample,
- frames_per_buffer);
-}
-
-AudioParameters::~AudioParameters() {}
-
-AudioParameters::AudioParameters(const AudioParameters&) = default;
-AudioParameters& AudioParameters::operator=(const AudioParameters&) = default;
-
-void AudioParameters::Reset(Format format,
- ChannelLayout channel_layout,
- int sample_rate,
- int bits_per_sample,
- int frames_per_buffer) {
- format_ = format;
- channel_layout_ = channel_layout;
- channels_ = ChannelLayoutToChannelCount(channel_layout);
- sample_rate_ = sample_rate;
- bits_per_sample_ = bits_per_sample;
- frames_per_buffer_ = frames_per_buffer;
- effects_ = NO_EFFECTS;
- mic_positions_.clear();
-}
-
-bool AudioParameters::IsValid() const {
- return (channels_ > 0) && (channels_ <= media::limits::kMaxChannels) &&
- (channel_layout_ > CHANNEL_LAYOUT_UNSUPPORTED) &&
- (sample_rate_ >= media::limits::kMinSampleRate) &&
- (sample_rate_ <= media::limits::kMaxSampleRate) &&
- (bits_per_sample_ > 0) &&
- (bits_per_sample_ <= media::limits::kMaxBitsPerSample) &&
- (frames_per_buffer_ > 0) &&
- (frames_per_buffer_ <= media::limits::kMaxSamplesPerPacket) &&
- (channel_layout_ == CHANNEL_LAYOUT_DISCRETE ||
- channels_ == ChannelLayoutToChannelCount(channel_layout_));
-}
-
-std::string AudioParameters::AsHumanReadableString() const {
- std::ostringstream s;
- s << "format: " << format() << " channel_layout: " << channel_layout()
- << " channels: " << channels() << " sample_rate: " << sample_rate()
- << " bits_per_sample: " << bits_per_sample()
- << " frames_per_buffer: " << frames_per_buffer()
- << " effects: " << effects()
- << " mic_positions: " << PointsToString(mic_positions_);
- return s.str();
-}
-
-int AudioParameters::GetBytesPerBuffer() const {
- return frames_per_buffer_ * GetBytesPerFrame();
-}
-
-int AudioParameters::GetBytesPerSecond() const {
- return sample_rate_ * GetBytesPerFrame();
-}
-
-int AudioParameters::GetBytesPerFrame() const {
- return channels_ * bits_per_sample_ / 8;
-}
-
-double AudioParameters::GetMicrosecondsPerFrame() const {
- return static_cast<double>(base::Time::kMicrosecondsPerSecond) / sample_rate_;
-}
-
-base::TimeDelta AudioParameters::GetBufferDuration() const {
- return base::TimeDelta::FromMicroseconds(static_cast<int64_t>(
- frames_per_buffer_ * base::Time::kMicrosecondsPerSecond /
- static_cast<float>(sample_rate_)));
-}
-
-bool AudioParameters::Equals(const AudioParameters& other) const {
- return format_ == other.format() && sample_rate_ == other.sample_rate() &&
- channel_layout_ == other.channel_layout() &&
- channels_ == other.channels() &&
- bits_per_sample_ == other.bits_per_sample() &&
- frames_per_buffer_ == other.frames_per_buffer() &&
- effects_ == other.effects() && mic_positions_ == other.mic_positions_;
-}
-
-// static
-AudioParameters AudioParameters::UnavailableDeviceParams() {
- return media::AudioParameters(
- media::AudioParameters::AUDIO_FAKE, media::CHANNEL_LAYOUT_STEREO,
- media::AudioParameters::kAudioCDSampleRate, 16,
- media::AudioParameters::kAudioCDSampleRate / 10);
-}
-
-} // namespace media
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