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1 /* | 1 /* |
2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2016 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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118 EXCLUSIVE_LOCKS_REQUIRED(crit_); | 118 EXCLUSIVE_LOCKS_REQUIRED(crit_); |
119 | 119 |
120 // Check if there is a frame with the up-switch flag set in the interval | 120 // Check if there is a frame with the up-switch flag set in the interval |
121 // (|pid_ref|, |picture_id|) with temporal layer smaller than |temporal_idx|. | 121 // (|pid_ref|, |picture_id|) with temporal layer smaller than |temporal_idx|. |
122 bool UpSwitchInIntervalVp9(uint16_t picture_id, | 122 bool UpSwitchInIntervalVp9(uint16_t picture_id, |
123 uint8_t temporal_idx, | 123 uint8_t temporal_idx, |
124 uint16_t pid_ref) EXCLUSIVE_LOCKS_REQUIRED(crit_); | 124 uint16_t pid_ref) EXCLUSIVE_LOCKS_REQUIRED(crit_); |
125 | 125 |
126 // Unwrap |frame|s picture id and its references to 16 bits. | 126 // Unwrap |frame|s picture id and its references to 16 bits. |
127 void UnwrapPictureIds(RtpFrameObject* frame) EXCLUSIVE_LOCKS_REQUIRED(crit_); | 127 void UnwrapPictureIds(RtpFrameObject* frame) EXCLUSIVE_LOCKS_REQUIRED(crit_); |
128 // All picture ids are unwrapped to 16 bits. | |
129 uint16_t UnwrapPictureId(uint16_t picture_id) EXCLUSIVE_LOCKS_REQUIRED(crit_); | |
130 | 128 |
131 // Returns true if the frame is old and should be dropped. | 129 // Returns true if the frame is old and should be dropped. |
132 // TODO(philipel): Remove when VP9 PID/TL0 does not jump mid-stream (should be | 130 // TODO(philipel): Remove when VP9 PID/TL0 does not jump mid-stream (should be |
133 // around M59). | 131 // around M59). |
134 bool Vp9PidTl0Fix(const RtpFrameObject& frame, | 132 bool Vp9PidTl0Fix(const RtpFrameObject& frame, |
135 int16_t* picture_id, | 133 int16_t* picture_id, |
136 int16_t* tl0_pic_idx) EXCLUSIVE_LOCKS_REQUIRED(crit_); | 134 int16_t* tl0_pic_idx) EXCLUSIVE_LOCKS_REQUIRED(crit_); |
137 | 135 |
138 // TODO(philipel): Remove when VP9 PID/TL0 does not jump mid-stream (should be | 136 // TODO(philipel): Remove when VP9 PID/TL0 does not jump mid-stream (should be |
139 // around M59). | 137 // around M59). |
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206 std::array<std::set<uint16_t, DescendingSeqNumComp<uint16_t, kPicIdLength>>, | 204 std::array<std::set<uint16_t, DescendingSeqNumComp<uint16_t, kPicIdLength>>, |
207 kMaxTemporalLayers> | 205 kMaxTemporalLayers> |
208 missing_frames_for_layer_ GUARDED_BY(crit_); | 206 missing_frames_for_layer_ GUARDED_BY(crit_); |
209 | 207 |
210 // How far frames have been cleared by sequence number. A frame will be | 208 // How far frames have been cleared by sequence number. A frame will be |
211 // cleared if it contains a packet with a sequence number older than | 209 // cleared if it contains a packet with a sequence number older than |
212 // |cleared_to_seq_num_|. | 210 // |cleared_to_seq_num_|. |
213 int cleared_to_seq_num_ GUARDED_BY(crit_); | 211 int cleared_to_seq_num_ GUARDED_BY(crit_); |
214 | 212 |
215 OnCompleteFrameCallback* frame_callback_; | 213 OnCompleteFrameCallback* frame_callback_; |
214 | |
215 // Unwrapper used to unwrap generic RTP streams. In a generic stream we derive | |
216 // a picture id from the packet sequence number. | |
217 SeqNumUnwrapper<uint16_t> generic_unwrapper_ GUARDED_BY(crit_); | |
218 | |
219 // Unwrapper used to unwrap VP8/VP9 streams which have their picture id | |
220 // specified. | |
221 SeqNumUnwrapper<uint16_t, kPicIdLength> unwrapper_ GUARDED_BY(crit_); | |
terelius
2017/08/30 11:59:32
vpx_unwrapper_?
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216 }; | 222 }; |
217 | 223 |
218 } // namespace video_coding | 224 } // namespace video_coding |
219 } // namespace webrtc | 225 } // namespace webrtc |
220 | 226 |
221 #endif // WEBRTC_MODULES_VIDEO_CODING_RTP_FRAME_REFERENCE_FINDER_H_ | 227 #endif // WEBRTC_MODULES_VIDEO_CODING_RTP_FRAME_REFERENCE_FINDER_H_ |
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