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1 /* | 1 /* |
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 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 |
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29 bool require_key_frame); | 29 bool require_key_frame); |
30 | 30 |
31 rtc::scoped_ptr<VideoCodec> settings; | 31 rtc::scoped_ptr<VideoCodec> settings; |
32 int number_of_cores; | 32 int number_of_cores; |
33 bool require_key_frame; | 33 bool require_key_frame; |
34 }; | 34 }; |
35 | 35 |
36 struct VCMExtDecoderMapItem { | 36 struct VCMExtDecoderMapItem { |
37 public: | 37 public: |
38 VCMExtDecoderMapItem(VideoDecoder* external_decoder_instance, | 38 VCMExtDecoderMapItem(VideoDecoder* external_decoder_instance, |
39 uint8_t payload_type, | 39 uint8_t payload_type); |
40 bool internal_render_timing); | |
41 | 40 |
42 uint8_t payload_type; | 41 uint8_t payload_type; |
43 VideoDecoder* external_decoder_instance; | 42 VideoDecoder* external_decoder_instance; |
44 bool internal_render_timing; | |
45 }; | 43 }; |
46 | 44 |
47 class VCMCodecDataBase { | 45 class VCMCodecDataBase { |
48 public: | 46 public: |
49 VCMCodecDataBase(VideoEncoderRateObserver* encoder_rate_observer, | 47 VCMCodecDataBase(VideoEncoderRateObserver* encoder_rate_observer, |
50 VCMEncodedFrameCallback* encoded_frame_callback); | 48 VCMEncodedFrameCallback* encoded_frame_callback); |
51 ~VCMCodecDataBase(); | 49 ~VCMCodecDataBase(); |
52 | 50 |
53 // Sender Side | 51 // Sender Side |
54 // Returns the default settings for the codec with type |codec_type|. | 52 // Returns the default settings for the codec with type |codec_type|. |
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83 bool DeregisterExternalEncoder(uint8_t payload_type, bool* was_send_codec); | 81 bool DeregisterExternalEncoder(uint8_t payload_type, bool* was_send_codec); |
84 | 82 |
85 VCMGenericEncoder* GetEncoder(); | 83 VCMGenericEncoder* GetEncoder(); |
86 | 84 |
87 bool SetPeriodicKeyFrames(bool enable); | 85 bool SetPeriodicKeyFrames(bool enable); |
88 | 86 |
89 // Deregisters an external decoder object specified by |payload_type|. | 87 // Deregisters an external decoder object specified by |payload_type|. |
90 bool DeregisterExternalDecoder(uint8_t payload_type); | 88 bool DeregisterExternalDecoder(uint8_t payload_type); |
91 | 89 |
92 // Registers an external decoder object to the payload type |payload_type|. | 90 // Registers an external decoder object to the payload type |payload_type|. |
93 // |internal_render_timing| is set to true if the |external_decoder| has | |
94 // built in rendering which is able to obey the render timestamps of the | |
95 // encoded frames. | |
96 void RegisterExternalDecoder(VideoDecoder* external_decoder, | 91 void RegisterExternalDecoder(VideoDecoder* external_decoder, |
97 uint8_t payload_type, | 92 uint8_t payload_type); |
98 bool internal_render_timing); | |
99 | 93 |
100 bool DecoderRegistered() const; | 94 bool DecoderRegistered() const; |
101 | 95 |
102 bool RegisterReceiveCodec(const VideoCodec* receive_codec, | 96 bool RegisterReceiveCodec(const VideoCodec* receive_codec, |
103 int number_of_cores, | 97 int number_of_cores, |
104 bool require_key_frame); | 98 bool require_key_frame); |
105 | 99 |
106 bool DeregisterReceiveCodec(uint8_t payload_type); | 100 bool DeregisterReceiveCodec(uint8_t payload_type); |
107 | 101 |
108 // Get current receive side codec. Relevant for internal codecs only. | 102 // Get current receive side codec. Relevant for internal codecs only. |
109 bool ReceiveCodec(VideoCodec* current_receive_codec) const; | 103 bool ReceiveCodec(VideoCodec* current_receive_codec) const; |
110 | 104 |
111 // Get current receive side codec type. Relevant for internal codecs only. | 105 // Get current receive side codec type. Relevant for internal codecs only. |
112 VideoCodecType ReceiveCodec() const; | 106 VideoCodecType ReceiveCodec() const; |
113 | 107 |
114 // Returns a decoder specified by |payload_type|. The decoded frame callback | 108 // Returns a decoder specified by |payload_type|. The decoded frame callback |
115 // of the encoder is set to |decoded_frame_callback|. If no such decoder | 109 // of the encoder is set to |decoded_frame_callback|. If no such decoder |
116 // already exists an instance will be created and initialized. | 110 // already exists an instance will be created and initialized. |
117 // NULL is returned if no encoder with the specified payload type was found | 111 // NULL is returned if no encoder with the specified payload type was found |
118 // and the function failed to create one. | 112 // and the function failed to create one. |
119 VCMGenericDecoder* GetDecoder( | 113 VCMGenericDecoder* GetDecoder( |
120 const VCMEncodedFrame& frame, | 114 const VCMEncodedFrame& frame, |
121 VCMDecodedFrameCallback* decoded_frame_callback); | 115 VCMDecodedFrameCallback* decoded_frame_callback); |
122 | 116 |
123 // Deletes the memory of the decoder instance |decoder|. Used to delete | 117 // Deletes the memory of the decoder instance |decoder|. Used to delete |
124 // deep copies returned by CreateDecoderCopy(). | 118 // deep copies returned by CreateDecoderCopy(). |
125 void ReleaseDecoder(VCMGenericDecoder* decoder) const; | 119 void ReleaseDecoder(VCMGenericDecoder* decoder) const; |
126 | 120 |
127 // Returns true if the currently active decoder supports render scheduling, | 121 // Returns true if the currently active decoder prefer to decode frames late. |
128 // that is, it is able to render frames according to the render timestamp of | 122 // That means that frames must be decoded near the render times stamp. |
129 // the encoded frames. | 123 bool PreferDecodeLate() const; |
stefan-webrtc
2015/12/07 09:02:19
Do we need this method? Isn't it enough to get the
perkj_webrtc
2015/12/07 12:06:34
Well, video_receiver uses GetDecoder once it actua
| |
130 bool SupportsRenderScheduling() const; | |
131 | 124 |
132 bool MatchesCurrentResolution(int width, int height) const; | 125 bool MatchesCurrentResolution(int width, int height) const; |
133 | 126 |
134 private: | 127 private: |
135 typedef std::map<uint8_t, VCMDecoderMapItem*> DecoderMap; | 128 typedef std::map<uint8_t, VCMDecoderMapItem*> DecoderMap; |
136 typedef std::map<uint8_t, VCMExtDecoderMapItem*> ExternalDecoderMap; | 129 typedef std::map<uint8_t, VCMExtDecoderMapItem*> ExternalDecoderMap; |
137 | 130 |
138 VCMGenericDecoder* CreateAndInitDecoder(const VCMEncodedFrame& frame, | 131 VCMGenericDecoder* CreateAndInitDecoder(const VCMEncodedFrame& frame, |
139 VideoCodec* new_codec) const; | 132 VideoCodec* new_codec) const; |
140 | 133 |
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165 VCMEncodedFrameCallback* const encoded_frame_callback_; | 158 VCMEncodedFrameCallback* const encoded_frame_callback_; |
166 rtc::scoped_ptr<VCMGenericEncoder> ptr_encoder_; | 159 rtc::scoped_ptr<VCMGenericEncoder> ptr_encoder_; |
167 VCMGenericDecoder* ptr_decoder_; | 160 VCMGenericDecoder* ptr_decoder_; |
168 DecoderMap dec_map_; | 161 DecoderMap dec_map_; |
169 ExternalDecoderMap dec_external_map_; | 162 ExternalDecoderMap dec_external_map_; |
170 }; // VCMCodecDataBase | 163 }; // VCMCodecDataBase |
171 | 164 |
172 } // namespace webrtc | 165 } // namespace webrtc |
173 | 166 |
174 #endif // WEBRTC_MODULES_VIDEO_CODING_CODEC_DATABASE_H_ | 167 #endif // WEBRTC_MODULES_VIDEO_CODING_CODEC_DATABASE_H_ |
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