79c96ded88
Now Configure(), Decode() and Release() calls to the decoders should all happen on the decoder thread. Added thread checkers to verify. Bug: None Change-Id: I2a1cf2cf7f3c3c7c50e382d82a3638e916ed9c34 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/272368 Reviewed-by: Evan Shrubsole <eshr@webrtc.org> Commit-Queue: Erik Språng <sprang@webrtc.org> Cr-Commit-Position: refs/heads/main@{#37840}
96 lines
3.3 KiB
C++
96 lines
3.3 KiB
C++
/*
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* Copyright (c) 2013 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 "modules/video_coding/video_receiver2.h"
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#include <stddef.h>
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#include <cstdint>
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#include <vector>
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#include "api/video_codecs/video_codec.h"
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#include "api/video_codecs/video_decoder.h"
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#include "modules/video_coding/decoder_database.h"
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#include "modules/video_coding/encoded_frame.h"
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#include "modules/video_coding/generic_decoder.h"
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#include "modules/video_coding/include/video_coding_defines.h"
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#include "modules/video_coding/timing/timing.h"
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#include "rtc_base/checks.h"
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#include "rtc_base/trace_event.h"
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#include "system_wrappers/include/clock.h"
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namespace webrtc {
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VideoReceiver2::VideoReceiver2(Clock* clock,
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VCMTiming* timing,
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const FieldTrialsView& field_trials)
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: clock_(clock),
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timing_(timing),
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decodedFrameCallback_(timing_, clock_, field_trials),
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codecDataBase_() {
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decoder_sequence_checker_.Detach();
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}
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VideoReceiver2::~VideoReceiver2() {
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RTC_DCHECK_RUN_ON(&construction_sequence_checker_);
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}
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// Register a receive callback. Will be called whenever there is a new frame
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// ready for rendering.
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int32_t VideoReceiver2::RegisterReceiveCallback(
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VCMReceiveCallback* receiveCallback) {
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RTC_DCHECK_RUN_ON(&construction_sequence_checker_);
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// This value is set before the decoder thread starts and unset after
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// the decoder thread has been stopped.
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decodedFrameCallback_.SetUserReceiveCallback(receiveCallback);
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return VCM_OK;
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}
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void VideoReceiver2::RegisterExternalDecoder(VideoDecoder* externalDecoder,
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uint8_t payloadType) {
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RTC_DCHECK_RUN_ON(&decoder_sequence_checker_);
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RTC_DCHECK(decodedFrameCallback_.UserReceiveCallback());
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if (externalDecoder == nullptr) {
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codecDataBase_.DeregisterExternalDecoder(payloadType);
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} else {
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codecDataBase_.RegisterExternalDecoder(payloadType, externalDecoder);
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}
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}
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bool VideoReceiver2::IsExternalDecoderRegistered(uint8_t payloadType) const {
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RTC_DCHECK_RUN_ON(&decoder_sequence_checker_);
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return codecDataBase_.IsExternalDecoderRegistered(payloadType);
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}
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// Must be called from inside the receive side critical section.
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int32_t VideoReceiver2::Decode(const VCMEncodedFrame* frame) {
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RTC_DCHECK_RUN_ON(&decoder_sequence_checker_);
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TRACE_EVENT0("webrtc", "VideoReceiver2::Decode");
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// Change decoder if payload type has changed.
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VCMGenericDecoder* decoder =
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codecDataBase_.GetDecoder(*frame, &decodedFrameCallback_);
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if (decoder == nullptr) {
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return VCM_NO_CODEC_REGISTERED;
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}
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return decoder->Decode(*frame, clock_->CurrentTime());
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}
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// Register possible receive codecs, can be called multiple times.
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// Called before decoder thread is started.
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void VideoReceiver2::RegisterReceiveCodec(
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uint8_t payload_type,
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const VideoDecoder::Settings& settings) {
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RTC_DCHECK_RUN_ON(&construction_sequence_checker_);
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codecDataBase_.RegisterReceiveCodec(payload_type, settings);
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}
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} // namespace webrtc
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