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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/public/common/media_stream_request.h"
      6 
      7 #include "base/logging.h"
      8 
      9 namespace content {
     10 
     11 bool IsAudioInputMediaType(MediaStreamType type) {
     12   return (type == MEDIA_DEVICE_AUDIO_CAPTURE ||
     13           type == content::MEDIA_TAB_AUDIO_CAPTURE ||
     14           type == content::MEDIA_LOOPBACK_AUDIO_CAPTURE);
     15 }
     16 
     17 bool IsVideoMediaType(MediaStreamType type) {
     18   return (type == MEDIA_DEVICE_VIDEO_CAPTURE ||
     19           type == content::MEDIA_TAB_VIDEO_CAPTURE ||
     20           type == content::MEDIA_DESKTOP_VIDEO_CAPTURE);
     21 }
     22 
     23 MediaStreamDevice::MediaStreamDevice()
     24     : type(MEDIA_NO_SERVICE),
     25       video_facing(MEDIA_VIDEO_FACING_NONE) {
     26 }
     27 
     28 MediaStreamDevice::MediaStreamDevice(
     29     MediaStreamType type,
     30     const std::string& id,
     31     const std::string& name)
     32     : type(type),
     33       id(id),
     34       video_facing(MEDIA_VIDEO_FACING_NONE),
     35       name(name) {
     36 #if defined(OS_ANDROID)
     37   if (name.find("front") != std::string::npos) {
     38     video_facing = MEDIA_VIDEO_FACING_USER;
     39   } else if (name.find("back") != std::string::npos) {
     40     video_facing = MEDIA_VIDEO_FACING_ENVIRONMENT;
     41   }
     42 #endif
     43 }
     44 
     45 MediaStreamDevice::MediaStreamDevice(
     46     MediaStreamType type,
     47     const std::string& id,
     48     const std::string& name,
     49     int sample_rate,
     50     int channel_layout,
     51     int frames_per_buffer)
     52     : type(type),
     53       id(id),
     54       video_facing(MEDIA_VIDEO_FACING_NONE),
     55       name(name),
     56       input(sample_rate, channel_layout, frames_per_buffer) {
     57 }
     58 
     59 MediaStreamDevice::~MediaStreamDevice() {}
     60 
     61 bool MediaStreamDevice::IsEqual(const MediaStreamDevice& second) const {
     62   const AudioDeviceParameters& input_second = second.input;
     63   return type == second.type &&
     64       name == second.name &&
     65       id == second.id &&
     66       input.sample_rate == input_second.sample_rate &&
     67       input.channel_layout == input_second.channel_layout;
     68 }
     69 
     70 MediaStreamDevices::MediaStreamDevices() {}
     71 
     72 MediaStreamDevices::MediaStreamDevices(size_t count,
     73                                        const MediaStreamDevice& value)
     74     : std::vector<MediaStreamDevice>(count, value) {
     75 }
     76 
     77 const MediaStreamDevice* MediaStreamDevices::FindById(
     78     const std::string& device_id) const {
     79   for (const_iterator iter = begin(); iter != end(); ++iter) {
     80     if (iter->id == device_id)
     81       return &(*iter);
     82   }
     83   return NULL;
     84 }
     85 
     86 MediaStreamRequest::MediaStreamRequest(
     87     int render_process_id,
     88     int render_view_id,
     89     int page_request_id,
     90     const GURL& security_origin,
     91     bool user_gesture,
     92     MediaStreamRequestType request_type,
     93     const std::string& requested_audio_device_id,
     94     const std::string& requested_video_device_id,
     95     MediaStreamType audio_type,
     96     MediaStreamType video_type)
     97     : render_process_id(render_process_id),
     98       render_view_id(render_view_id),
     99       page_request_id(page_request_id),
    100       security_origin(security_origin),
    101       user_gesture(user_gesture),
    102       request_type(request_type),
    103       requested_audio_device_id(requested_audio_device_id),
    104       requested_video_device_id(requested_video_device_id),
    105       audio_type(audio_type),
    106       video_type(video_type) {
    107 }
    108 
    109 MediaStreamRequest::~MediaStreamRequest() {}
    110 
    111 }  // namespace content
    112