utilities/findmicrophones.cpp

   1 //
   2 //   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Free Software
   3 //   Foundation, Inc
   4 //
   5 // This program is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation; either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with this program; if not, write to the Free Software
  17 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18
  19 #ifdef HAVE_CONFIG_H
  20 #include "gnashconfig.h"
  21 #endif
  22
  23 #include "rc.h"
  24 #ifdef HAVE_GST_GST_H
  25 #include "gst/gst.h"
  26 #endif
  27
  28 #ifdef HAVE_GST_INTERFACES_PROBEPROBE_H
  29 #include <gst/interfaces/propertyprobe.h>
  30 #endif
  31
  32 #include <vector>
  33 #include <string>
  34
  35 namespace {
  36     //get rc file for webcam selection
  37     gnash::RcInitFile& rcfile = gnash::RcInitFile::getDefaultInstance();
  38 }
  39
  40 class data {
  41     public:
  42         data();
  43         gchar* deviceName;
  44         gchar* deviceType;
  45 };
  46
  47 data::data() {
  48     deviceName = NULL;
  49     deviceType = NULL;
  50 };
  51
  52 gint findAudioDevs(std::vector<data*>& audioVect) {
  53     gint numdevs = 0;
  54
  55     //vid test source
  56     GstElement *element;
  57     element = gst_element_factory_make ("audiotestsrc", "audiotestsrc");
  58
  59     if (element == NULL) {
  60         audioVect.push_back(NULL);
  61         numdevs += 1;
  62     } else {
  63         audioVect.push_back(new data);
  64         audioVect[numdevs]->deviceName = g_strdup_printf("audiotestsrc");
  65         audioVect[numdevs]->deviceType = g_strdup_printf("audiotestsrc");
  66         numdevs += 1;
  67     }
  68
  69     //pulseaudio src
  70     GstPropertyProbe *probe;
  71     GValueArray *devarr;
  72     element = NULL;
  73
  74     element = gst_element_factory_make ("pulsesrc", "pulsesrc");
  75     probe = GST_PROPERTY_PROBE (element);
  76     devarr = gst_property_probe_probe_and_get_values_name (probe, "device");
  77     for (size_t i = 0; devarr != NULL && i < devarr->n_values; ++i) {
  78         GValue *val;
  79         gchar *dev_name = NULL;
  80
  81         val = g_value_array_get_nth (devarr, i);
  82         g_object_set (element, "device", g_value_get_string (val), NULL);
  83         gst_element_set_state (element, GST_STATE_PLAYING);
  84         g_object_get (element, "device-name", &dev_name, NULL);
  85         gst_element_set_state (element, GST_STATE_NULL);
  86         if (strcmp(dev_name, "null") == 0) {
  87             g_print("no pulse audio sources found\n");
  88         }
  89         else if ((strstr(dev_name, "Monitor") != NULL)) {
  90             g_print("ignoring monitor (audio output)");
  91         }
  92         else {
  93             audioVect.push_back(new data);
  94             audioVect[numdevs]->deviceType = g_strdup_printf("pulsesrc");
  95             audioVect[numdevs]->deviceName = dev_name;
  96             numdevs += 1;
  97         }
  98     }
  99     if (devarr) {
 100         g_value_array_free (devarr);
 101     }
 102     return numdevs;
 103 }
 104
 105 int main () {
 106     //initialize gstreamer to probe for devs
 107     gst_init(NULL, NULL);
 108     gint numdevs = 0;
 109     std::vector<data*> audioVector;
 110     gint i;
 111
 112     int fromrc = rcfile.getAudioInputDevice();
 113
 114     if (fromrc == -1) {
 115         g_print("Use this utility to set your desired default microphone device.\n");
 116         numdevs = findAudioDevs(audioVector);
 117         g_print("\nFound %d audio input devices: \n\n", numdevs);
 118         for (i = 0; i < numdevs; ++i)
 119         {
 120             if (i == 0 && (audioVector[i] != 0)) {
 121                 g_print("%d. device[%d] = Audio Test Source (audiotestsrc)\n", i, i);
 122             } else if (i == 0 && (audioVector[i] == 0)) {
 123                 g_print("no test audio device available\n");
 124             } else {
 125                 g_print("%d. device[%d] = %s (%s)\n", i, i, audioVector[i]->deviceName,
 126                         audioVector[i]->deviceType);
 127             }
 128         }
 129         //prompt user for device selection
 130         int dev_select = -1;
 131         std::string fromCin;
 132         do {
 133             dev_select = -1;
 134             g_print("\nChoose the device you would like to use (0-%d): ",
 135                 (numdevs - 1));
 136             std::cin >> fromCin;
 137             if (fromCin.size() != 1) {
 138                 dev_select = -1;
 139             } else if (fromCin[0] == '0') {
 140                 dev_select = 0;
 141             } else {
 142                 dev_select = atoi(fromCin.c_str());
 143             }
 144             if ((dev_select < 0) || (dev_select > (numdevs - 1))) {
 145                 g_print("You must make a valid device selection\n");
 146             }
 147         } while ((dev_select < 0) || (dev_select > (numdevs - 1)));
 148         g_print("\nTo select this microphone, add this line to your gnashrc file:\n");
 149         g_print("set microphoneDevice %d\n", dev_select);
 150     } else {
 151         numdevs = findAudioDevs(audioVector);
 152         if (fromrc <= (audioVector.size() - 1)) {
 153             g_print("\nThe gnashrc file reports default microphone is set to:\n");
 154             g_print("%s (%s)\n", audioVector[fromrc]->deviceName,
 155                 audioVector[fromrc]->deviceType);
 156             g_print("To change this setting, delete the 'set microphoneDevice' line\n");
 157             g_print("from your gnashrc file and re-run this program.\n\n");
 158         } else {
 159             g_print("\nYou have an invalid microphone chosen in your gnashrc file.\n");
 160             g_print("Try reattaching the device or deleting the value from gnashrc\n");
 161             g_print("and running this program again\n");
 162         }
 163     }
 164     return 1;
 165 }