68 lines
2.5 KiB
C++
68 lines
2.5 KiB
C++
/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "video/video_stream_decoder.h"
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#include "modules/video_coding/video_receiver2.h"
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#include "rtc_base/checks.h"
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#include "video/receive_statistics_proxy.h"
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namespace webrtc {
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VideoStreamDecoder::VideoStreamDecoder(
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VideoReceiver2* video_receiver,
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ReceiveStatisticsProxy* receive_statistics_proxy,
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rtc::VideoSinkInterface<VideoFrame>* incoming_video_stream)
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: video_receiver_(video_receiver),
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receive_stats_callback_(receive_statistics_proxy),
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incoming_video_stream_(incoming_video_stream) {
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RTC_DCHECK(video_receiver_);
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video_receiver_->RegisterReceiveCallback(this);
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}
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VideoStreamDecoder::~VideoStreamDecoder() {
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// Note: There's an assumption at this point that the decoder thread is
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// *not* running. If it was, then there could be a race for each of these
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// callbacks.
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// Unset all the callback pointers that we set in the ctor.
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video_receiver_->RegisterReceiveCallback(nullptr);
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}
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// Do not acquire the lock of |video_receiver_| in this function. Decode
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// callback won't necessarily be called from the decoding thread. The decoding
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// thread may have held the lock when calling VideoDecoder::Decode, Reset, or
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// Release. Acquiring the same lock in the path of decode callback can deadlock.
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int32_t VideoStreamDecoder::FrameToRender(VideoFrame& video_frame,
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absl::optional<uint8_t> qp,
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int32_t decode_time_ms,
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VideoContentType content_type) {
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receive_stats_callback_->OnDecodedFrame(video_frame, qp, decode_time_ms,
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content_type);
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incoming_video_stream_->OnFrame(video_frame);
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return 0;
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}
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void VideoStreamDecoder::OnDroppedFrames(uint32_t frames_dropped) {
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receive_stats_callback_->OnDroppedFrames(frames_dropped);
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}
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void VideoStreamDecoder::OnIncomingPayloadType(int payload_type) {
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receive_stats_callback_->OnIncomingPayloadType(payload_type);
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}
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void VideoStreamDecoder::OnDecoderImplementationName(
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const char* implementation_name) {
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receive_stats_callback_->OnDecoderImplementationName(implementation_name);
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}
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} // namespace webrtc
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