blob: abfd81e342d0590821ddfb7b120d5b92e8ac7ebf [file] [log] [blame]
* Copyright (c) 2018 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 <map>
#include <memory>
#include "modules/video_coding/generic_decoder.h"
namespace webrtc {
struct VCMDecoderMapItem {
VCMDecoderMapItem(VideoCodec* settings, int number_of_cores);
std::unique_ptr<VideoCodec> settings;
int number_of_cores;
struct VCMExtDecoderMapItem {
VCMExtDecoderMapItem(VideoDecoder* external_decoder_instance,
uint8_t payload_type);
uint8_t payload_type;
VideoDecoder* external_decoder_instance;
class VCMDecoderDataBase {
bool DeregisterExternalDecoder(uint8_t payload_type);
void RegisterExternalDecoder(VideoDecoder* external_decoder,
uint8_t payload_type);
bool RegisterReceiveCodec(uint8_t payload_type,
const VideoCodec* receive_codec,
int number_of_cores);
bool DeregisterReceiveCodec(uint8_t payload_type);
// Returns a decoder specified by frame.PayloadType. The decoded frame
// callback of the decoder is set to |decoded_frame_callback|. If no such
// decoder already exists an instance will be created and initialized.
// nullptr is returned if no decoder with the specified payload type was found
// and the function failed to create one.
VCMGenericDecoder* GetDecoder(
const VCMEncodedFrame& frame,
VCMDecodedFrameCallback* decoded_frame_callback);
// Returns true if the currently active decoder prefer to decode frames late.
// That means that frames must be decoded near the render times stamp.
bool PrefersLateDecoding() const;
typedef std::map<uint8_t, VCMDecoderMapItem*> DecoderMap;
typedef std::map<uint8_t, VCMExtDecoderMapItem*> ExternalDecoderMap;
std::unique_ptr<VCMGenericDecoder> CreateAndInitDecoder(
const VCMEncodedFrame& frame,
VideoCodec* new_codec) const;
const VCMDecoderMapItem* FindDecoderItem(uint8_t payload_type) const;
const VCMExtDecoderMapItem* FindExternalDecoderItem(
uint8_t payload_type) const;
uint8_t current_payload_type_; // Corresponding to receive_codec_.
VideoCodec receive_codec_;
std::unique_ptr<VCMGenericDecoder> ptr_decoder_;
DecoderMap dec_map_;
ExternalDecoderMap dec_external_map_;
} // namespace webrtc