audio_buffer.cc | Explore in Territory

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/351564777): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#include "third_party/blink/renderer/modules/webaudio/audio_buffer.h"

#include <memory>

#include "third_party/blink/renderer/bindings/modules/v8/v8_audio_buffer_options.h"
#include "third_party/blink/renderer/modules/webaudio/base_audio_context.h"
#include "third_party/blink/renderer/platform/audio/audio_bus.h"
#include "third_party/blink/renderer/platform/audio/audio_utilities.h"
#include "third_party/blink/renderer/platform/bindings/exception_messages.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"

namespace blink {

AudioBuffer* AudioBuffer::Create(unsigned number_of_channels,
                                 uint32_t number_of_frames,
                                 float sample_rate) { … }

AudioBuffer* AudioBuffer::Create(unsigned number_of_channels,
                                 uint32_t number_of_frames,
                                 float sample_rate,
                                 ExceptionState& exception_state) { … }

AudioBuffer* AudioBuffer::Create(const AudioBufferOptions* options,
                                 ExceptionState& exception_state) { … }

AudioBuffer* AudioBuffer::CreateUninitialized(unsigned number_of_channels,
                                              uint32_t number_of_frames,
                                              float sample_rate) { … }

AudioBuffer* AudioBuffer::CreateFromAudioBus(AudioBus* bus) { … }

bool AudioBuffer::CreatedSuccessfully(
    unsigned desired_number_of_channels) const { … }

DOMFloat32Array* AudioBuffer::CreateFloat32ArrayOrNull(
    uint32_t length,
    InitializationPolicy policy) { … }

AudioBuffer::AudioBuffer(unsigned number_of_channels,
                         uint32_t number_of_frames,
                         float sample_rate,
                         InitializationPolicy policy)
    : … { … }

AudioBuffer::AudioBuffer(AudioBus* bus)
    : … { … }

NotShared<DOMFloat32Array> AudioBuffer::getChannelData(
    unsigned channel_index,
    ExceptionState& exception_state) { … }

NotShared<DOMFloat32Array> AudioBuffer::getChannelData(unsigned channel_index) { … }

void AudioBuffer::copyFromChannel(NotShared<DOMFloat32Array> destination,
                                  int32_t channel_number,
                                  ExceptionState& exception_state) { … }

void AudioBuffer::copyFromChannel(NotShared<DOMFloat32Array> destination,
                                  int32_t channel_number,
                                  size_t buffer_offset,
                                  ExceptionState& exception_state) { … }

void AudioBuffer::copyToChannel(NotShared<DOMFloat32Array> source,
                                int32_t channel_number,
                                ExceptionState& exception_state) { … }

void AudioBuffer::copyToChannel(NotShared<DOMFloat32Array> source,
                                int32_t channel_number,
                                size_t buffer_offset,
                                ExceptionState& exception_state) { … }

void AudioBuffer::Zero() { … }

std::unique_ptr<SharedAudioBuffer> AudioBuffer::CreateSharedAudioBuffer() { … }

SharedAudioBuffer::SharedAudioBuffer(AudioBuffer* buffer)
    : … { … }

void SharedAudioBuffer::Zero() { … }

}  // namespace blink
chromium/third_party/blink/renderer/modules/webaudio/audio_buffer.cc
