1/*
2 * libjingle
3 * Copyright 2012, Google Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 *  1. Redistributions of source code must retain the above copyright notice,
9 *     this list of conditions and the following disclaimer.
10 *  2. Redistributions in binary form must reproduce the above copyright notice,
11 *     this list of conditions and the following disclaimer in the documentation
12 *     and/or other materials provided with the distribution.
13 *  3. The name of the author may not be used to endorse or promote products
14 *     derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#ifndef TALK_APP_WEBRTC_MEDIASTREAMPROVIDER_H_
29#define TALK_APP_WEBRTC_MEDIASTREAMPROVIDER_H_
30
31namespace cricket {
32
33class AudioRenderer;
34class VideoCapturer;
35class VideoRenderer;
36struct AudioOptions;
37struct VideoOptions;
38
39}  // namespace cricket
40
41namespace webrtc {
42
43// This interface is called by AudioTrackHandler classes in mediastreamhandler.h
44// to change the settings of an audio track connected to certain PeerConnection.
45class AudioProviderInterface {
46 public:
47  // Enable/disable the audio playout of a remote audio track with |ssrc|.
48  virtual void SetAudioPlayout(uint32 ssrc, bool enable,
49                               cricket::AudioRenderer* renderer) = 0;
50  // Enable/disable sending audio on the local audio track with |ssrc|.
51  // When |enable| is true |options| should be applied to the audio track.
52  virtual void SetAudioSend(uint32 ssrc, bool enable,
53                            const cricket::AudioOptions& options,
54                            cricket::AudioRenderer* renderer) = 0;
55
56  // Sets the audio playout volume of a remote audio track with |ssrc|.
57  // |volume| is in the range of [0, 10].
58  virtual void SetAudioPlayoutVolume(uint32 ssrc, double volume) = 0;
59
60 protected:
61  virtual ~AudioProviderInterface() {}
62};
63
64// This interface is called by VideoTrackHandler classes in mediastreamhandler.h
65// to change the settings of a video track connected to a certain
66// PeerConnection.
67class VideoProviderInterface {
68 public:
69  virtual bool SetCaptureDevice(uint32 ssrc,
70                                cricket::VideoCapturer* camera) = 0;
71  // Enable/disable the video playout of a remote video track with |ssrc|.
72  virtual void SetVideoPlayout(uint32 ssrc, bool enable,
73                               cricket::VideoRenderer* renderer) = 0;
74  // Enable sending video on the local video track with |ssrc|.
75  virtual void SetVideoSend(uint32 ssrc, bool enable,
76                            const cricket::VideoOptions* options) = 0;
77
78 protected:
79  virtual ~VideoProviderInterface() {}
80};
81
82}  // namespace webrtc
83
84#endif  // TALK_APP_WEBRTC_MEDIASTREAMPROVIDER_H_
85