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/*
* Copyright (C) 2012, 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*/
#include "third_party/blink/renderer/modules/webaudio/media_stream_audio_destination_node.h"
#include <inttypes.h>
#include "base/memory/ptr_util.h"
#include "third_party/blink/public/platform/modules/webrtc/webrtc_logging.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_audio_node_options.h"
#include "third_party/blink/renderer/modules/mediastream/media_stream_utils.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/media_stream_audio_destination_handler.h"
#include "third_party/blink/renderer/platform/mediastream/webaudio_media_stream_source.h"
#include "third_party/blink/renderer/platform/scheduler/public/main_thread.h"
#include "third_party/blink/renderer/platform/wtf/text/strcat.h"
#include "third_party/blink/renderer/platform/wtf/uuid.h"
namespace blink {
namespace {
// Default to stereo; `options` will update it appropriately if needed.
constexpr uint32_t kDefaultNumberOfChannels = 2;
} // namespace
MediaStreamAudioDestinationNode::MediaStreamAudioDestinationNode(
AudioContext& context,
uint32_t number_of_channels)
: AudioNode(context),
ActiveScriptWrappable<MediaStreamAudioDestinationNode>({}) {
DVLOG(1) << "Creating WebAudio media stream source.";
auto audio_source = std::make_unique<WebAudioMediaStreamSource>(
context.GetExecutionContext()->GetTaskRunner(TaskType::kInternalMedia));
WebAudioMediaStreamSource* audio_source_ptr = audio_source.get();
String source_id = StrCat({"WebAudio-", CreateCanonicalUUIDString()});
MediaStreamSource::Capabilities capabilities;
capabilities.device_id = source_id;
capabilities.echo_cancellation = Vector<bool>({false});
capabilities.auto_gain_control = Vector<bool>({false});
capabilities.noise_suppression = Vector<bool>({false});
capabilities.voice_isolation = Vector<bool>({false});
capabilities.sample_size = {
media::SampleFormatToBitsPerChannel(media::kSampleFormatS16),
media::SampleFormatToBitsPerChannel(media::kSampleFormatS16)
};
source_ = MakeGarbageCollected<MediaStreamSource>(
source_id, MediaStreamSource::kTypeAudio,
"MediaStreamAudioDestinationNode", false, std::move(audio_source),
MediaStreamSource::kReadyStateLive, true);
source_->SetCapabilities(capabilities);
stream_ = MediaStream::Create(
context.GetExecutionContext(),
MediaStreamTrackVector({MediaStreamUtils::CreateLocalAudioTrack(
context.GetExecutionContext(),
source_)}));
SetHandler(
MediaStreamAudioDestinationHandler::Create(
*this, number_of_channels, audio_source_ptr));
SendLogMessage(
__func__, String::Format(
"({context.state=%s}, {context.sampleRate=%.0f}, "
"{number_of_channels=%u}, {handler=0x%" PRIXPTR
"}, [this=0x%" PRIXPTR "])",
context.state().AsCStr(), context.sampleRate(),
number_of_channels, reinterpret_cast<uintptr_t>(&Handler()),
reinterpret_cast<uintptr_t>(this)));
}
MediaStreamAudioDestinationNode* MediaStreamAudioDestinationNode::Create(
AudioContext& context,
uint32_t number_of_channels,
ExceptionState& exception_state) {
DCHECK(IsMainThread());
// TODO(crbug.com/1055983): Remove this when the execution context validity
// check is not required in the AudioNode factory methods.
if (!context.CheckExecutionContextAndThrowIfNecessary(exception_state)) {
return nullptr;
}
return MakeGarbageCollected<MediaStreamAudioDestinationNode>(
context, number_of_channels);
}
MediaStreamAudioDestinationNode* MediaStreamAudioDestinationNode::Create(
AudioContext* context,
const AudioNodeOptions* options,
ExceptionState& exception_state) {
DCHECK(IsMainThread());
if (!context->CheckExecutionContextAndThrowIfNecessary(exception_state)) {
return nullptr;
}
MediaStreamAudioDestinationNode* node =
MakeGarbageCollected<MediaStreamAudioDestinationNode>(
*context, kDefaultNumberOfChannels);
// Need to handle channelCount here ourselves because the upper
// limit is different from the normal AudioNode::setChannelCount
// limit of 32. Error messages will sometimes show the wrong
// limits.
if (options->hasChannelCount()) {
node->setChannelCount(options->channelCount(), exception_state);
}
node->HandleChannelOptions(options, exception_state);
return node;
}
bool MediaStreamAudioDestinationNode::HasPendingActivity() const {
return context()->ContextState() == V8AudioContextState::Enum::kRunning;
}
void MediaStreamAudioDestinationNode::Trace(Visitor* visitor) const {
visitor->Trace(stream_);
visitor->Trace(source_);
AudioNode::Trace(visitor);
}
void MediaStreamAudioDestinationNode::Dispose() {
GetOwnHandler().RemoveConsumer();
}
void MediaStreamAudioDestinationNode::ReportDidCreate() {
GraphTracer().DidCreateAudioNode(this);
}
void MediaStreamAudioDestinationNode::ReportWillBeDestroyed() {
GraphTracer().WillDestroyAudioNode(this);
}
MediaStreamAudioDestinationHandler&
MediaStreamAudioDestinationNode::GetOwnHandler() const {
return static_cast<MediaStreamAudioDestinationHandler&>(Handler());
}
void MediaStreamAudioDestinationNode::SendLogMessage(
const char* const function_name,
const String& message) {
WebRtcLogMessage(
String::Format("[WA]MSADN::%s %s", function_name, message.Utf8().c_str())
.Utf8());
}
} // namespace blink
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