blob: 98deb1801f9eff09b94574a1c3d6f00afea3117f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/*
* 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 <stdint.h>
#include <map>
#include "absl/types/optional.h"
#include "api/video_codecs/video_decoder.h"
#include "modules/video_coding/encoded_frame.h"
#include "modules/video_coding/generic_decoder.h"
namespace webrtc {
class VCMDecoderDataBase {
public:
VCMDecoderDataBase() = default;
VCMDecoderDataBase(const VCMDecoderDataBase&) = delete;
VCMDecoderDataBase& operator=(const VCMDecoderDataBase&) = delete;
~VCMDecoderDataBase() = default;
bool DeregisterExternalDecoder(uint8_t payload_type);
void RegisterExternalDecoder(uint8_t payload_type,
VideoDecoder* external_decoder);
bool IsExternalDecoderRegistered(uint8_t payload_type) const;
void RegisterReceiveCodec(uint8_t payload_type,
const VideoDecoder::Settings& settings);
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);
private:
void CreateAndInitDecoder(const VCMEncodedFrame& frame);
absl::optional<uint8_t> current_payload_type_;
absl::optional<VCMGenericDecoder> current_decoder_;
// Initialization paramaters for decoders keyed by payload type.
std::map<uint8_t, VideoDecoder::Settings> decoder_settings_;
// Decoders keyed by payload type.
std::map<uint8_t, VideoDecoder*> decoders_;
};
} // namespace webrtc
#endif // MODULES_VIDEO_CODING_DECODER_DATABASE_H_
|
