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1 /* | 1 /* |
2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 * | 9 * |
10 */ | 10 */ |
11 | 11 |
12 #ifndef WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_SIMULCAST_ENCODER_ADAPTER_H_ | 12 #ifndef WEBRTC_MEDIA_ENGINE_SIMULCAST_ENCODER_ADAPTER_H_ |
13 #define WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_SIMULCAST_ENCODER_ADAPTER_H_ | 13 #define WEBRTC_MEDIA_ENGINE_SIMULCAST_ENCODER_ADAPTER_H_ |
14 | 14 |
15 #include <memory> | 15 #include <memory> |
16 #include <stack> | 16 #include <stack> |
17 #include <string> | 17 #include <string> |
18 #include <utility> | 18 #include <utility> |
19 #include <vector> | 19 #include <vector> |
20 | 20 |
21 #include "webrtc/base/atomicops.h" | 21 #include "webrtc/base/atomicops.h" |
22 #include "webrtc/base/sequenced_task_checker.h" | 22 #include "webrtc/base/sequenced_task_checker.h" |
| 23 #include "webrtc/media/engine/webrtcvideoencoderfactory.h" |
23 #include "webrtc/modules/video_coding/codecs/vp8/include/vp8.h" | 24 #include "webrtc/modules/video_coding/codecs/vp8/include/vp8.h" |
24 | 25 |
25 namespace webrtc { | 26 namespace webrtc { |
26 | 27 |
27 class SimulcastRateAllocator; | 28 class SimulcastRateAllocator; |
28 | 29 |
29 // TODO(brandtr): Remove this class and replace its use with a | |
30 // WebRtcVideoEncoderFactory. | |
31 class VideoEncoderFactory { | |
32 public: | |
33 virtual VideoEncoder* Create() = 0; | |
34 virtual void Destroy(VideoEncoder* encoder) = 0; | |
35 virtual ~VideoEncoderFactory() {} | |
36 }; | |
37 | |
38 // SimulcastEncoderAdapter implements simulcast support by creating multiple | 30 // SimulcastEncoderAdapter implements simulcast support by creating multiple |
39 // webrtc::VideoEncoder instances with the given VideoEncoderFactory. | 31 // webrtc::VideoEncoder instances with the given VideoEncoderFactory. |
40 // The object is created and destroyed on the worker thread, but all public | 32 // The object is created and destroyed on the worker thread, but all public |
41 // interfaces should be called from the encoder task queue. | 33 // interfaces should be called from the encoder task queue. |
42 class SimulcastEncoderAdapter : public VP8Encoder { | 34 class SimulcastEncoderAdapter : public VP8Encoder { |
43 public: | 35 public: |
44 // TODO(brandtr): Make it clear that the ownership of |factory| is transferred | 36 explicit SimulcastEncoderAdapter(cricket::WebRtcVideoEncoderFactory* factory); |
45 // by only accepting a std::unique_ptr<VideoEncoderFactory> here. | |
46 explicit SimulcastEncoderAdapter(VideoEncoderFactory* factory); | |
47 virtual ~SimulcastEncoderAdapter(); | 37 virtual ~SimulcastEncoderAdapter(); |
48 | 38 |
49 // Implements VideoEncoder. | 39 // Implements VideoEncoder. |
50 int Release() override; | 40 int Release() override; |
51 int InitEncode(const VideoCodec* inst, | 41 int InitEncode(const VideoCodec* inst, |
52 int number_of_cores, | 42 int number_of_cores, |
53 size_t max_payload_size) override; | 43 size_t max_payload_size) override; |
54 int Encode(const VideoFrame& input_image, | 44 int Encode(const VideoFrame& input_image, |
55 const CodecSpecificInfo* codec_specific_info, | 45 const CodecSpecificInfo* codec_specific_info, |
56 const std::vector<FrameType>* frame_types) override; | 46 const std::vector<FrameType>* frame_types) override; |
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100 int stream_index, | 90 int stream_index, |
101 uint32_t start_bitrate_kbps, | 91 uint32_t start_bitrate_kbps, |
102 bool highest_resolution_stream, | 92 bool highest_resolution_stream, |
103 webrtc::VideoCodec* stream_codec); | 93 webrtc::VideoCodec* stream_codec); |
104 | 94 |
105 bool Initialized() const; | 95 bool Initialized() const; |
106 | 96 |
107 void DestroyStoredEncoders(); | 97 void DestroyStoredEncoders(); |
108 | 98 |
109 volatile int inited_; // Accessed atomically. | 99 volatile int inited_; // Accessed atomically. |
110 const std::unique_ptr<VideoEncoderFactory> factory_; | 100 cricket::WebRtcVideoEncoderFactory* const factory_; |
111 VideoCodec codec_; | 101 VideoCodec codec_; |
112 std::vector<StreamInfo> streaminfos_; | 102 std::vector<StreamInfo> streaminfos_; |
113 EncodedImageCallback* encoded_complete_callback_; | 103 EncodedImageCallback* encoded_complete_callback_; |
114 std::string implementation_name_; | 104 std::string implementation_name_; |
115 | 105 |
116 // Used for checking the single-threaded access of the encoder interface. | 106 // Used for checking the single-threaded access of the encoder interface. |
117 rtc::SequencedTaskChecker encoder_queue_; | 107 rtc::SequencedTaskChecker encoder_queue_; |
118 | 108 |
119 // Store encoders in between calls to Release and InitEncode, so they don't | 109 // Store encoders in between calls to Release and InitEncode, so they don't |
120 // have to be recreated. Remaining encoders are destroyed by the destructor. | 110 // have to be recreated. Remaining encoders are destroyed by the destructor. |
121 std::stack<VideoEncoder*> stored_encoders_; | 111 std::stack<VideoEncoder*> stored_encoders_; |
122 }; | 112 }; |
123 | 113 |
124 } // namespace webrtc | 114 } // namespace webrtc |
125 | 115 |
126 #endif // WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_SIMULCAST_ENCODER_ADAPTER_H_ | 116 #endif // WEBRTC_MEDIA_ENGINE_SIMULCAST_ENCODER_ADAPTER_H_ |
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