blob: 0c3fe1a257698090c1567b0890bfc5c8f945e071 [file] [log] [blame]
* Copyright (c) 2019 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 "api/sequence_checker.h"
#include "modules/video_coding/decoder_database.h"
#include "modules/video_coding/encoded_frame.h"
#include "modules/video_coding/generic_decoder.h"
#include "modules/video_coding/timing.h"
#include "system_wrappers/include/clock.h"
namespace webrtc {
// This class is a copy of vcm::VideoReceiver, trimmed down to what's used by
// VideoReceive stream, with the aim to incrementally trim it down further and
// ultimately delete it. It's difficult to do this incrementally with the
// original VideoReceiver class, since it is used by the legacy
// VideoCodingModule api.
class VideoReceiver2 {
VideoReceiver2(Clock* clock, VCMTiming* timing);
int32_t RegisterReceiveCodec(uint8_t payload_type,
const VideoCodec* receiveCodec,
int32_t numberOfCores);
void RegisterExternalDecoder(VideoDecoder* externalDecoder,
uint8_t payloadType);
bool IsExternalDecoderRegistered(uint8_t payloadType) const;
int32_t RegisterReceiveCallback(VCMReceiveCallback* receiveCallback);
int32_t Decode(const webrtc::VCMEncodedFrame* frame);
// Notification methods that are used to check our internal state and validate
// threading assumptions. These are called by VideoReceiveStream.
// See |IsDecoderThreadRunning()| for more details.
void DecoderThreadStarting();
void DecoderThreadStopped();
// Used for DCHECKing thread correctness.
// In build where DCHECKs are enabled, will return false before
// DecoderThreadStarting is called, then true until DecoderThreadStopped
// is called.
// In builds where DCHECKs aren't enabled, it will return true.
bool IsDecoderThreadRunning();
SequenceChecker construction_sequence_checker_;
SequenceChecker decoder_sequence_checker_;
Clock* const clock_;
VCMTiming* timing_;
VCMDecodedFrameCallback decodedFrameCallback_;
// Callbacks are set before the decoder thread starts.
// Once the decoder thread has been started, usage of |_codecDataBase| moves
// over to the decoder thread.
VCMDecoderDataBase codecDataBase_;
bool decoder_thread_is_running_ = false;
} // namespace webrtc