src/apps/tv/DeviceRoster.cpp

   1 /*
   2  * Copyright (c) 2004-2007 Marcus Overhagen <marcus@overhagen.de>
   3  *
   4  * Permission is hereby granted, free of charge, to any person
   5  * obtaining a copy of this software and associated documentation
   6  * files (the "Software"), to deal in the Software without restriction,
   7  * including without limitation the rights to use, copy, modify,
   8  * merge, publish, distribute, sublicense, and/or sell copies of
   9  * the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be
  13  * included in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  17  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  19  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  20  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22  * OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 #include "DeviceRoster.h"
  26
  27 #include <stdio.h>
  28 #include <string.h>
  29 #include <Debug.h>
  30
  31
  32 DeviceRoster *gDeviceRoster;
  33
  34
  35
  36 DeviceRoster::DeviceRoster()
  37 {
  38         live_node_info info[MAX_DEVICE_COUNT];
  39         int32 info_count = MAX_DEVICE_COUNT;
  40         status_t err;
  41         err = MediaRoster()->GetLiveNodes(info, &info_count, NULL, NULL, "DVB*",
  42                 B_BUFFER_PRODUCER | B_PHYSICAL_INPUT);
  43         if (err != B_OK || info_count < 1) {
  44                 printf("Can't find live DVB node. Found %" B_PRId32 " nodes, error %08" B_PRIx32 " (%s)\n",
  45                         info_count, err, strerror(err));
  46                 fDeviceCount = 0;
  47         } else {
  48                 fDeviceCount = info_count;
  49                 for (int i = 0; i < fDeviceCount; i++) {
  50                         fDeviceInfo[i].node = info[i].node;
  51                         strcpy(fDeviceInfo[i].name, info[i].name);
  52                 }
  53         }
  54 }
  55
  56
  57 DeviceRoster::~DeviceRoster()
  58 {
  59 }
  60
  61
  62 int
  63 DeviceRoster::DeviceCount()
  64 {
  65         return fDeviceCount;
  66 }
  67
  68
  69 const char *
  70 DeviceRoster::DeviceName(int i)
  71 {
  72         ASSERT(i >= 0 && i < fDeviceCount);
  73         return fDeviceInfo[i].name;
  74 }
  75
  76
  77 media_node
  78 DeviceRoster::DeviceNode(int i)
  79 {
  80         ASSERT(i >= 0 && i < fDeviceCount);
  81         return fDeviceInfo[i].node;
  82 }
  83
  84
  85 bool
  86 DeviceRoster::IsRawAudioOutputFree(int i)
  87 {
  88         ASSERT(i >= 0 && i < fDeviceCount);
  89
  90         media_output    output;
  91         int32                   count;
  92         status_t                err;
  93
  94         err = MediaRoster()->GetFreeOutputsFor(fDeviceInfo[i].node, &output, 1,
  95                 &count, B_MEDIA_RAW_AUDIO);
  96         return (err == B_OK) && (count == 1);
  97 }
  98
  99
 100 bool
 101 DeviceRoster::IsEncAudioOutputFree(int i)
 102 {
 103         ASSERT(i >= 0 && i < fDeviceCount);
 104
 105         media_output    output;
 106         int32                   count;
 107         status_t                err;
 108
 109         err = MediaRoster()->GetFreeOutputsFor(fDeviceInfo[i].node, &output, 1,
 110                 &count, B_MEDIA_ENCODED_AUDIO);
 111         return (err == B_OK) && (count == 1);
 112 }
 113
 114
 115 bool
 116 DeviceRoster::IsRawVideoOutputFree(int i)
 117 {
 118         ASSERT(i >= 0 && i < fDeviceCount);
 119
 120         media_output    output;
 121         int32                   count;
 122         status_t                err;
 123
 124         err = MediaRoster()->GetFreeOutputsFor(fDeviceInfo[i].node, &output, 1,
 125                 &count, B_MEDIA_RAW_VIDEO);
 126         return (err == B_OK) && (count == 1);
 127 }
 128
 129
 130 bool
 131 DeviceRoster::IsEncVideoOutputFree(int i)
 132 {
 133         ASSERT(i >= 0 && i < fDeviceCount);
 134
 135         media_output    output;
 136         int32                   count;
 137         status_t                err;
 138
 139         err = MediaRoster()->GetFreeOutputsFor(fDeviceInfo[i].node, &output, 1,
 140                 &count, B_MEDIA_ENCODED_VIDEO);
 141         return (err == B_OK) && (count == 1);
 142 }
 143
 144
 145 BMediaRoster *
 146 DeviceRoster::MediaRoster()
 147 {
 148         return BMediaRoster::Roster();
 149 }
 150