mirror of
https://github.com/mollyim/webrtc.git
synced 2025-05-13 13:50:40 +01:00
f90637887c
Intended to ease further refactoring, cleanup and deletion in this code. Bug: webrtc:8830 Change-Id: Ib862b073e93b67b4f8eedbbf40ad3a8354a566a2 Reviewed-on: https://webrtc-review.googlesource.com/55562 Reviewed-by: Rasmus Brandt <brandtr@webrtc.org> Commit-Queue: Niels Moller <nisse@webrtc.org> Cr-Commit-Position: refs/heads/master@{#22120}
96 lines
3 KiB
C++
96 lines
3 KiB
C++
/*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef MODULES_VIDEO_CODING_DECODER_DATABASE_H_
|
|
#define MODULES_VIDEO_CODING_DECODER_DATABASE_H_
|
|
|
|
#include <map>
|
|
#include <memory>
|
|
|
|
#include "modules/video_coding/generic_decoder.h"
|
|
|
|
namespace webrtc {
|
|
|
|
struct VCMDecoderMapItem {
|
|
public:
|
|
VCMDecoderMapItem(VideoCodec* settings,
|
|
int number_of_cores,
|
|
bool require_key_frame);
|
|
|
|
std::unique_ptr<VideoCodec> settings;
|
|
int number_of_cores;
|
|
bool require_key_frame;
|
|
};
|
|
|
|
struct VCMExtDecoderMapItem {
|
|
public:
|
|
VCMExtDecoderMapItem(VideoDecoder* external_decoder_instance,
|
|
uint8_t payload_type);
|
|
|
|
uint8_t payload_type;
|
|
VideoDecoder* external_decoder_instance;
|
|
};
|
|
|
|
class VCMDecoderDataBase {
|
|
public:
|
|
VCMDecoderDataBase();
|
|
~VCMDecoderDataBase();
|
|
|
|
bool DeregisterExternalDecoder(uint8_t payload_type);
|
|
void RegisterExternalDecoder(VideoDecoder* external_decoder,
|
|
uint8_t payload_type);
|
|
|
|
bool DecoderRegistered() const;
|
|
|
|
bool RegisterReceiveCodec(const VideoCodec* receive_codec,
|
|
int number_of_cores,
|
|
bool require_key_frame);
|
|
|
|
bool DeregisterReceiveCodec(uint8_t payload_type);
|
|
|
|
// Returns a decoder specified by |payload_type|. The decoded frame callback
|
|
// of the encoder is set to |decoded_frame_callback|. If no such decoder
|
|
// already exists an instance will be created and initialized.
|
|
// NULL is returned if no encoder with the specified payload type was found
|
|
// and the function failed to create one.
|
|
VCMGenericDecoder* GetDecoder(
|
|
const VCMEncodedFrame& frame,
|
|
VCMDecodedFrameCallback* decoded_frame_callback);
|
|
|
|
// Returns the current decoder (i.e. the same value as was last returned from
|
|
// GetDecoder();
|
|
VCMGenericDecoder* GetCurrentDecoder();
|
|
|
|
// 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;
|
|
|
|
private:
|
|
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;
|
|
|
|
VideoCodec receive_codec_;
|
|
std::unique_ptr<VCMGenericDecoder> ptr_decoder_;
|
|
DecoderMap dec_map_;
|
|
ExternalDecoderMap dec_external_map_;
|
|
};
|
|
|
|
} // namespace webrtc
|
|
|
|
#endif // MODULES_VIDEO_CODING_DECODER_DATABASE_H_
|