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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 #ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_OPUS_INST_H_ | 11 #ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_OPUS_INST_H_ |
12 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_OPUS_INST_H_ | 12 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_OPUS_INST_H_ |
13 | 13 |
14 #include "opus.h" | 14 #include "opus.h" |
15 | 15 |
16 struct WebRtcOpusEncInst { | 16 struct WebRtcOpusEncInst { |
17 OpusEncoder* encoder; | 17 OpusEncoder* encoder; |
18 int channels; | |
19 int in_dtx_mode; | 18 int in_dtx_mode; |
20 // When Opus is in DTX mode, we use |zero_counts| to count consecutive zeros | |
21 // to break long zero segment so as to prevent DTX from going wrong. We use | |
22 // one counter for each channel. After each encoding, |zero_counts| contain | |
23 // the remaining zeros from the last frame. | |
24 // TODO(minyue): remove this when Opus gets an internal fix to DTX. | |
25 size_t* zero_counts; | |
26 }; | 19 }; |
27 | 20 |
28 struct WebRtcOpusDecInst { | 21 struct WebRtcOpusDecInst { |
29 OpusDecoder* decoder; | 22 OpusDecoder* decoder; |
30 int prev_decoded_samples; | 23 int prev_decoded_samples; |
31 int channels; | 24 int channels; |
32 int in_dtx_mode; | 25 int in_dtx_mode; |
33 }; | 26 }; |
34 | 27 |
35 | 28 |
36 #endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_OPUS_INST_H_ | 29 #endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_OPUS_OPUS_INST_H_ |
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