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      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
      3 // found in the LICENSE file.
      4 
      5 #include "content/common/media/media_stream_options.h"
      6 
      7 #include "base/logging.h"
      8 
      9 namespace content {
     10 
     11 const char kMediaStreamSource[] = "chromeMediaSource";
     12 const char kMediaStreamSourceId[] = "chromeMediaSourceId";
     13 const char kMediaStreamSourceInfoId[] = "sourceId";
     14 const char kMediaStreamSourceTab[] = "tab";
     15 const char kMediaStreamSourceScreen[] = "screen";
     16 const char kMediaStreamSourceSystem[] = "system";
     17 
     18 StreamOptions::StreamOptions()
     19     : audio_type(MEDIA_NO_SERVICE),
     20       video_type(MEDIA_NO_SERVICE) {}
     21 
     22 StreamOptions::StreamOptions(MediaStreamType audio_type,
     23                              MediaStreamType video_type)
     24     : audio_type(audio_type), video_type(video_type) {
     25   DCHECK(IsAudioMediaType(audio_type) || audio_type == MEDIA_NO_SERVICE);
     26   DCHECK(IsVideoMediaType(video_type) || video_type == MEDIA_NO_SERVICE);
     27 }
     28 
     29 // static
     30 const int StreamDeviceInfo::kNoId = -1;
     31 
     32 StreamDeviceInfo::StreamDeviceInfo()
     33     : in_use(false),
     34       session_id(kNoId) {}
     35 
     36 StreamDeviceInfo::StreamDeviceInfo(MediaStreamType service_param,
     37                                    const std::string& name_param,
     38                                    const std::string& device_param,
     39                                    bool opened)
     40     : device(service_param, device_param, name_param),
     41       in_use(opened),
     42       session_id(kNoId) {
     43 }
     44 
     45 StreamDeviceInfo::StreamDeviceInfo(MediaStreamType service_param,
     46                                    const std::string& name_param,
     47                                    const std::string& device_param,
     48                                    int sample_rate,
     49                                    int channel_layout,
     50                                    bool opened)
     51     : device(service_param, device_param, name_param, sample_rate,
     52              channel_layout),
     53       in_use(opened),
     54       session_id(kNoId) {
     55 }
     56 
     57 // static
     58 bool StreamDeviceInfo::IsEqual(const StreamDeviceInfo& first,
     59                                const StreamDeviceInfo& second) {
     60   return first.device.type == second.device.type &&
     61       first.device.name == second.device.name &&
     62       first.device.id == second.device.id &&
     63       first.device.sample_rate == second.device.sample_rate &&
     64       first.device.channel_layout == second.device.channel_layout &&
     65       first.in_use == second.in_use &&
     66       first.session_id == second.session_id;
     67 }
     68 
     69 }  // namespace content
     70