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// 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 "components/cast_streaming/renderer/web_codecs/stream_control_channel.h"
#include <utility>
#include "base/task/sequenced_task_runner.h"
namespace cast_streaming::webcodecs {
StreamControlChannel::StreamControlChannel(
Client* client,
mojo::PendingAssociatedReceiver<mojom::DemuxerConnector> receiver,
scoped_refptr<base::SequencedTaskRunner> task_runner)
: client_(client),
task_runner_(std::move(task_runner)),
receiver_(this, std::move(receiver), task_runner_) {
DCHECK(client_);
DCHECK(task_runner_);
}
StreamControlChannel::~StreamControlChannel() = default;
void StreamControlChannel::OnJavascriptConfigured() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
has_javascript_been_configured_ = true;
if (enable_receiver_callback_) {
std::move(enable_receiver_callback_).Run();
}
}
void StreamControlChannel::OnNewBufferProvider(
base::WeakPtr<AudioDecoderBufferProvider> ptr) {
client_->OnNewAudioBufferProvider(std::move(ptr));
}
void StreamControlChannel::OnNewBufferProvider(
base::WeakPtr<VideoDecoderBufferProvider> ptr) {
client_->OnNewVideoBufferProvider(std::move(ptr));
}
void StreamControlChannel::EnableReceiver(EnableReceiverCallback callback) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
enable_receiver_callback_ = std::move(callback);
if (has_javascript_been_configured_) {
std::move(enable_receiver_callback_).Run();
}
}
void StreamControlChannel::OnStreamsInitialized(
mojom::AudioStreamInitializationInfoPtr audio_stream_info,
mojom::VideoStreamInitializationInfoPtr video_stream_info) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (audio_stream_info) {
mojom::AudioStreamInfoPtr& stream_init_info =
audio_stream_info->stream_initialization_info;
audio_buffer_requester_ = std::make_unique<AudioBufferRequester>(
this, std::move(stream_init_info->decoder_config),
std::move(stream_init_info->data_pipe),
std::move(audio_stream_info->buffer_requester), task_runner_);
}
if (video_stream_info) {
mojom::VideoStreamInfoPtr& stream_init_info =
video_stream_info->stream_initialization_info;
video_buffer_requester_ = std::make_unique<VideoBufferRequester>(
this, std::move(stream_init_info->decoder_config),
std::move(stream_init_info->data_pipe),
std::move(video_stream_info->buffer_requester), task_runner_);
}
}
} // namespace cast_streaming::webcodecs
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