96 lines
3.4 KiB
C++
96 lines
3.4 KiB
C++
/*
|
|
* Copyright (c) 2020 The WebRTC project authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree. An additional intellectual property rights grant can be found
|
|
* in the file PATENTS. All contributing project authors may
|
|
* be found in the AUTHORS file in the root of the source tree.
|
|
*/
|
|
|
|
#include "audio/channel_receive_frame_transformer_delegate.h"
|
|
|
|
#include <utility>
|
|
|
|
#include "rtc_base/buffer.h"
|
|
#include "rtc_base/task_utils/to_queued_task.h"
|
|
|
|
namespace webrtc {
|
|
namespace {
|
|
|
|
class TransformableAudioFrame : public TransformableAudioFrameInterface {
|
|
public:
|
|
TransformableAudioFrame(rtc::ArrayView<const uint8_t> payload,
|
|
const RTPHeader& header,
|
|
uint32_t ssrc)
|
|
: payload_(payload.data(), payload.size()),
|
|
header_(header),
|
|
ssrc_(ssrc) {}
|
|
~TransformableAudioFrame() override = default;
|
|
rtc::ArrayView<const uint8_t> GetData() const override { return payload_; }
|
|
|
|
void SetData(rtc::ArrayView<const uint8_t> data) override {
|
|
payload_.SetData(data.data(), data.size());
|
|
}
|
|
|
|
uint32_t GetTimestamp() const override { return header_.timestamp; }
|
|
uint32_t GetSsrc() const override { return ssrc_; }
|
|
const RTPHeader& GetHeader() const override { return header_; }
|
|
|
|
private:
|
|
rtc::Buffer payload_;
|
|
RTPHeader header_;
|
|
uint32_t ssrc_;
|
|
};
|
|
} // namespace
|
|
|
|
ChannelReceiveFrameTransformerDelegate::ChannelReceiveFrameTransformerDelegate(
|
|
ReceiveFrameCallback receive_frame_callback,
|
|
rtc::scoped_refptr<FrameTransformerInterface> frame_transformer,
|
|
rtc::Thread* channel_receive_thread)
|
|
: receive_frame_callback_(receive_frame_callback),
|
|
frame_transformer_(std::move(frame_transformer)),
|
|
channel_receive_thread_(channel_receive_thread) {}
|
|
|
|
void ChannelReceiveFrameTransformerDelegate::Init() {
|
|
RTC_DCHECK_RUN_ON(&sequence_checker_);
|
|
frame_transformer_->RegisterTransformedFrameCallback(
|
|
rtc::scoped_refptr<TransformedFrameCallback>(this));
|
|
}
|
|
|
|
void ChannelReceiveFrameTransformerDelegate::Reset() {
|
|
RTC_DCHECK_RUN_ON(&sequence_checker_);
|
|
frame_transformer_->UnregisterTransformedFrameCallback();
|
|
frame_transformer_ = nullptr;
|
|
receive_frame_callback_ = ReceiveFrameCallback();
|
|
}
|
|
|
|
void ChannelReceiveFrameTransformerDelegate::Transform(
|
|
rtc::ArrayView<const uint8_t> packet,
|
|
const RTPHeader& header,
|
|
uint32_t ssrc) {
|
|
RTC_DCHECK_RUN_ON(&sequence_checker_);
|
|
frame_transformer_->Transform(
|
|
std::make_unique<TransformableAudioFrame>(packet, header, ssrc));
|
|
}
|
|
|
|
void ChannelReceiveFrameTransformerDelegate::OnTransformedFrame(
|
|
std::unique_ptr<TransformableFrameInterface> frame) {
|
|
rtc::scoped_refptr<ChannelReceiveFrameTransformerDelegate> delegate = this;
|
|
channel_receive_thread_->PostTask(ToQueuedTask(
|
|
[delegate = std::move(delegate), frame = std::move(frame)]() mutable {
|
|
delegate->ReceiveFrame(std::move(frame));
|
|
}));
|
|
}
|
|
|
|
void ChannelReceiveFrameTransformerDelegate::ReceiveFrame(
|
|
std::unique_ptr<TransformableFrameInterface> frame) const {
|
|
RTC_DCHECK_RUN_ON(&sequence_checker_);
|
|
if (!receive_frame_callback_)
|
|
return;
|
|
auto* transformed_frame = static_cast<TransformableAudioFrame*>(frame.get());
|
|
receive_frame_callback_(transformed_frame->GetData(),
|
|
transformed_frame->GetHeader());
|
|
}
|
|
} // namespace webrtc
|