media_element_audio_source_handler.cc

// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

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

#include <memory>

#include "base/synchronization/lock.h"
#include "third_party/blink/public/platform/task_type.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_media_element_audio_source_options.h"
#include "third_party/blink/renderer/core/frame/deprecation/deprecation.h"
#include "third_party/blink/renderer/core/html/media/html_media_element.h"
#include "third_party/blink/renderer/core/inspector/console_message.h"
#include "third_party/blink/renderer/modules/webaudio/audio_context.h"
#include "third_party/blink/renderer/modules/webaudio/audio_graph_tracer.h"
#include "third_party/blink/renderer/modules/webaudio/audio_node_output.h"
#include "third_party/blink/renderer/platform/audio/audio_utilities.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/weborigin/security_origin.h"
#include "third_party/blink/renderer/platform/wtf/cross_thread_functional.h"

namespace blink {

namespace {

// Default to stereo. This could change depending on what the media element
// .src is set to.
constexpr unsigned kDefaultNumberOfOutputChannels = …;

}  // namespace

class MediaElementAudioSourceHandlerLocker final { … };

MediaElementAudioSourceHandler::MediaElementAudioSourceHandler(
    AudioNode& node,
    HTMLMediaElement& media_element)
    : … { … }

scoped_refptr<MediaElementAudioSourceHandler>
MediaElementAudioSourceHandler::Create(AudioNode& node,
                                       HTMLMediaElement& media_element) { … }

MediaElementAudioSourceHandler::~MediaElementAudioSourceHandler() { … }

CrossThreadPersistent<HTMLMediaElement>
MediaElementAudioSourceHandler::MediaElement() const { … }

void MediaElementAudioSourceHandler::Dispose() { … }

void MediaElementAudioSourceHandler::SetFormat(uint32_t number_of_channels,
                                               float source_sample_rate) { … }

bool MediaElementAudioSourceHandler::WouldTaintOrigin() { … }

void MediaElementAudioSourceHandler::PrintCorsMessage(const String& message) { … }

void MediaElementAudioSourceHandler::ProvideResamplerInput(
    int resampler_frame_delay,
    AudioBus* dest) { … }

void MediaElementAudioSourceHandler::Process(uint32_t number_of_frames) { … }

void MediaElementAudioSourceHandler::lock() { … }

void MediaElementAudioSourceHandler::unlock() { … }

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