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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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24 namespace webrtc { | 24 namespace webrtc { |
25 | 25 |
26 class AudioBuffer; | 26 class AudioBuffer; |
27 | 27 |
28 class GainControlImpl : public GainControl { | 28 class GainControlImpl : public GainControl { |
29 public: | 29 public: |
30 GainControlImpl(rtc::CriticalSection* crit_render, | 30 GainControlImpl(rtc::CriticalSection* crit_render, |
31 rtc::CriticalSection* crit_capture); | 31 rtc::CriticalSection* crit_capture); |
32 ~GainControlImpl() override; | 32 ~GainControlImpl() override; |
33 | 33 |
34 int ProcessRenderAudio(AudioBuffer* audio); | 34 void ProcessRenderAudio(rtc::ArrayView<const int16_t> packed_render_audio); |
35 int AnalyzeCaptureAudio(AudioBuffer* audio); | 35 int AnalyzeCaptureAudio(AudioBuffer* audio); |
36 int ProcessCaptureAudio(AudioBuffer* audio, bool stream_has_echo); | 36 int ProcessCaptureAudio(AudioBuffer* audio, bool stream_has_echo); |
37 | 37 |
38 void Initialize(size_t num_proc_channels, int sample_rate_hz); | 38 void Initialize(size_t num_proc_channels, int sample_rate_hz); |
39 | 39 |
| 40 static void PackRenderAudioBuffer(AudioBuffer* audio, |
| 41 std::vector<int16_t>* packed_buffer); |
| 42 |
40 // GainControl implementation. | 43 // GainControl implementation. |
41 bool is_enabled() const override; | 44 bool is_enabled() const override; |
42 int stream_analog_level() override; | 45 int stream_analog_level() override; |
43 bool is_limiter_enabled() const override; | 46 bool is_limiter_enabled() const override; |
44 Mode mode() const override; | 47 Mode mode() const override; |
45 | 48 |
46 // Reads render side data that has been queued on the render call. | |
47 void ReadQueuedRenderData(); | |
48 | |
49 int compression_gain_db() const override; | 49 int compression_gain_db() const override; |
50 | 50 |
51 private: | 51 private: |
52 class GainController; | 52 class GainController; |
53 | 53 |
54 // GainControl implementation. | 54 // GainControl implementation. |
55 int Enable(bool enable) override; | 55 int Enable(bool enable) override; |
56 int set_stream_analog_level(int level) override; | 56 int set_stream_analog_level(int level) override; |
57 int set_mode(Mode mode) override; | 57 int set_mode(Mode mode) override; |
58 int set_target_level_dbfs(int level) override; | 58 int set_target_level_dbfs(int level) override; |
59 int target_level_dbfs() const override; | 59 int target_level_dbfs() const override; |
60 int set_compression_gain_db(int gain) override; | 60 int set_compression_gain_db(int gain) override; |
61 int enable_limiter(bool enable) override; | 61 int enable_limiter(bool enable) override; |
62 int set_analog_level_limits(int minimum, int maximum) override; | 62 int set_analog_level_limits(int minimum, int maximum) override; |
63 int analog_level_minimum() const override; | 63 int analog_level_minimum() const override; |
64 int analog_level_maximum() const override; | 64 int analog_level_maximum() const override; |
65 bool stream_is_saturated() const override; | 65 bool stream_is_saturated() const override; |
66 | 66 |
67 void AllocateRenderQueue(); | |
68 int Configure(); | 67 int Configure(); |
69 | 68 |
70 rtc::CriticalSection* const crit_render_ ACQUIRED_BEFORE(crit_capture_); | 69 rtc::CriticalSection* const crit_render_ ACQUIRED_BEFORE(crit_capture_); |
71 rtc::CriticalSection* const crit_capture_; | 70 rtc::CriticalSection* const crit_capture_; |
72 | 71 |
73 bool enabled_ = false; | 72 bool enabled_ = false; |
74 | 73 |
75 Mode mode_ GUARDED_BY(crit_capture_); | 74 Mode mode_ GUARDED_BY(crit_capture_); |
76 int minimum_capture_level_ GUARDED_BY(crit_capture_); | 75 int minimum_capture_level_ GUARDED_BY(crit_capture_); |
77 int maximum_capture_level_ GUARDED_BY(crit_capture_); | 76 int maximum_capture_level_ GUARDED_BY(crit_capture_); |
78 bool limiter_enabled_ GUARDED_BY(crit_capture_); | 77 bool limiter_enabled_ GUARDED_BY(crit_capture_); |
79 int target_level_dbfs_ GUARDED_BY(crit_capture_); | 78 int target_level_dbfs_ GUARDED_BY(crit_capture_); |
80 int compression_gain_db_ GUARDED_BY(crit_capture_); | 79 int compression_gain_db_ GUARDED_BY(crit_capture_); |
81 int analog_capture_level_ GUARDED_BY(crit_capture_); | 80 int analog_capture_level_ GUARDED_BY(crit_capture_); |
82 bool was_analog_level_set_ GUARDED_BY(crit_capture_); | 81 bool was_analog_level_set_ GUARDED_BY(crit_capture_); |
83 bool stream_is_saturated_ GUARDED_BY(crit_capture_); | 82 bool stream_is_saturated_ GUARDED_BY(crit_capture_); |
84 | 83 |
85 size_t render_queue_element_max_size_ GUARDED_BY(crit_render_) | |
86 GUARDED_BY(crit_capture_); | |
87 std::vector<int16_t> render_queue_buffer_ GUARDED_BY(crit_render_); | |
88 std::vector<int16_t> capture_queue_buffer_ GUARDED_BY(crit_capture_); | |
89 | |
90 // Lock protection not needed. | |
91 std::unique_ptr< | |
92 SwapQueue<std::vector<int16_t>, RenderQueueItemVerifier<int16_t>>> | |
93 render_signal_queue_; | |
94 | |
95 std::vector<std::unique_ptr<GainController>> gain_controllers_; | 84 std::vector<std::unique_ptr<GainController>> gain_controllers_; |
96 | 85 |
97 rtc::Optional<size_t> num_proc_channels_ GUARDED_BY(crit_capture_); | 86 rtc::Optional<size_t> num_proc_channels_ GUARDED_BY(crit_capture_); |
98 rtc::Optional<int> sample_rate_hz_ GUARDED_BY(crit_capture_); | 87 rtc::Optional<int> sample_rate_hz_ GUARDED_BY(crit_capture_); |
99 | 88 |
100 RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(GainControlImpl); | 89 RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(GainControlImpl); |
101 }; | 90 }; |
102 } // namespace webrtc | 91 } // namespace webrtc |
103 | 92 |
104 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_GAIN_CONTROL_IMPL_H_ | 93 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_GAIN_CONTROL_IMPL_H_ |
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