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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef REMOTING_HOST_AUDIO_CAPTURER_H_ | 5 #ifndef REMOTING_HOST_AUDIO_CAPTURER_H_ |
6 #define REMOTING_HOST_AUDIO_CAPTURER_H_ | 6 #define REMOTING_HOST_AUDIO_CAPTURER_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 | 9 |
10 #include "base/callback.h" | 10 #include "remoting/protocol/audio_source.h" |
11 | 11 |
12 namespace remoting { | 12 namespace remoting { |
13 | 13 |
14 class AudioPacket; | 14 class AudioCapturer : public protocol::AudioSource { |
15 | |
16 class AudioCapturer { | |
17 public: | 15 public: |
18 typedef base::Callback<void(std::unique_ptr<AudioPacket> packet)> | 16 ~AudioCapturer() override {} |
19 PacketCapturedCallback; | |
20 | |
21 virtual ~AudioCapturer() {} | |
22 | 17 |
23 // Returns true if audio capturing is supported on this platform. If this | 18 // Returns true if audio capturing is supported on this platform. If this |
24 // returns true, then Create() must not return nullptr. | 19 // returns true, then Create() must not return nullptr. |
25 static bool IsSupported(); | 20 static bool IsSupported(); |
26 static std::unique_ptr<AudioCapturer> Create(); | 21 static std::unique_ptr<AudioCapturer> Create(); |
27 | 22 |
28 // Capturers should sample at a 44.1 or 48 kHz sampling rate, in uncompressed | |
29 // PCM stereo format. Capturers may choose the number of frames per packet. | |
30 // Returns true on success. | |
31 virtual bool Start(const PacketCapturedCallback& callback) = 0; | |
32 | |
33 static bool IsValidSampleRate(int sample_rate); | 23 static bool IsValidSampleRate(int sample_rate); |
34 }; | 24 }; |
35 | 25 |
36 } // namespace remoting | 26 } // namespace remoting |
37 | 27 |
38 #endif // REMOTING_HOST_AUDIO_CAPTURER_H_ | 28 #endif // REMOTING_HOST_AUDIO_CAPTURER_H_ |
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