blob: cbc78852278ce2e62a6019cbff66057da7d878ed [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 <memory>
#include <vector>
#include "api/field_trials_view.h"
#include "api/sequence_checker.h"
#include "api/video_codecs/video_decoder.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/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,
const FieldTrialsView& field_trials);
void RegisterReceiveCodec(uint8_t payload_type,
const VideoDecoder::Settings& decoder_settings);
void RegisterExternalDecoder(std::unique_ptr<VideoDecoder> decoder,
uint8_t payload_type);
bool IsExternalDecoderRegistered(uint8_t payload_type) const;
int32_t RegisterReceiveCallback(VCMReceiveCallback* receive_callback);
int32_t Decode(const VCMEncodedFrame* frame);
SequenceChecker construction_sequence_checker_;
SequenceChecker decoder_sequence_checker_;
Clock* const clock_;
VCMDecodedFrameCallback decoded_frame_callback_;
// Holds/owns the decoder instances that are registered via
// `RegisterExternalDecoder` and referenced by `codec_database_`.
std::vector<std::unique_ptr<VideoDecoder>> video_decoders_;
// 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 codec_database_;
} // namespace webrtc