From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- .../libwebrtc/video/video_stream_decoder2.cc | 70 ++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 third_party/libwebrtc/video/video_stream_decoder2.cc (limited to 'third_party/libwebrtc/video/video_stream_decoder2.cc') diff --git a/third_party/libwebrtc/video/video_stream_decoder2.cc b/third_party/libwebrtc/video/video_stream_decoder2.cc new file mode 100644 index 0000000000..1ef2d0ecd0 --- /dev/null +++ b/third_party/libwebrtc/video/video_stream_decoder2.cc @@ -0,0 +1,70 @@ +/* + * Copyright (c) 2012 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 "video/video_stream_decoder2.h" + +#include "api/video_codecs/video_decoder.h" +#include "modules/video_coding/video_receiver2.h" +#include "rtc_base/checks.h" +#include "video/receive_statistics_proxy2.h" + +namespace webrtc { +namespace internal { + +VideoStreamDecoder::VideoStreamDecoder( + VideoReceiver2* video_receiver, + ReceiveStatisticsProxy* receive_statistics_proxy, + rtc::VideoSinkInterface* incoming_video_stream) + : video_receiver_(video_receiver), + receive_stats_callback_(receive_statistics_proxy), + incoming_video_stream_(incoming_video_stream) { + RTC_DCHECK(video_receiver_); + + video_receiver_->RegisterReceiveCallback(this); +} + +VideoStreamDecoder::~VideoStreamDecoder() { + // Note: There's an assumption at this point that the decoder thread is + // *not* running. If it was, then there could be a race for each of these + // callbacks. + + // Unset all the callback pointers that we set in the ctor. + video_receiver_->RegisterReceiveCallback(nullptr); +} + +// Do not acquire the lock of `video_receiver_` in this function. Decode +// callback won't necessarily be called from the decoding thread. The decoding +// thread may have held the lock when calling VideoDecoder::Decode, Reset, or +// Release. Acquiring the same lock in the path of decode callback can deadlock. +int32_t VideoStreamDecoder::FrameToRender(VideoFrame& video_frame, + absl::optional qp, + TimeDelta decode_time, + VideoContentType content_type) { + receive_stats_callback_->OnDecodedFrame(video_frame, qp, decode_time, + content_type); + incoming_video_stream_->OnFrame(video_frame); + return 0; +} + +void VideoStreamDecoder::OnDroppedFrames(uint32_t frames_dropped) { + receive_stats_callback_->OnDroppedFrames(frames_dropped); +} + +void VideoStreamDecoder::OnIncomingPayloadType(int payload_type) { + receive_stats_callback_->OnIncomingPayloadType(payload_type); +} + +void VideoStreamDecoder::OnDecoderInfoChanged( + const VideoDecoder::DecoderInfo& decoder_info) { + receive_stats_callback_->OnDecoderInfo(decoder_info); +} + +} // namespace internal +} // namespace webrtc -- cgit v1.2.3