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*", B_BUFFER_PRODUCER | B_PHYSICAL_INPUT); 42 if (err != B_OK || info_count < 1) { 43 printf("Can't find live DVB node. Found %ld nodes, error %08lx (%s)\n", info_count, err, strerror(err)); 44 fDeviceCount = 0; 45 } else { 46 fDeviceCount = info_count; 47 for (int i = 0; i < fDeviceCount; i++) { 48 fDeviceInfo[i].node = info[i].node; 49 strcpy(fDeviceInfo[i].name, info[i].name); 50 } 51 } 52 } 53 54 55 DeviceRoster::~DeviceRoster() 56 { 57 } 58 59 60 int 61 DeviceRoster::DeviceCount() 62 { 63 return fDeviceCount; 64 } 65 66 67 const char * 68 DeviceRoster::DeviceName(int i) 69 { 70 ASSERT(i >= 0 && i < fDeviceCount); 71 return fDeviceInfo[i].name; 72 } 73 74 75 media_node 76 DeviceRoster::DeviceNode(int i) 77 { 78 ASSERT(i >= 0 && i < fDeviceCount); 79 return fDeviceInfo[i].node; 80 } 81 82 83 bool 84 DeviceRoster::IsRawAudioOutputFree(int i) 85 { 86 ASSERT(i >= 0 && i < fDeviceCount); 87 88 media_output output; 89 int32 count; 90 status_t err; 91 92 err = MediaRoster()->GetFreeOutputsFor(fDeviceInfo[i].node, &output, 1, &count, B_MEDIA_RAW_AUDIO); 93 return (err == B_OK) && (count == 1); 94 } 95 96 97 bool 98 DeviceRoster::IsEncAudioOutputFree(int i) 99 { 100 ASSERT(i >= 0 && i < fDeviceCount); 101 102 media_output output; 103 int32 count; 104 status_t err; 105 106 err = MediaRoster()->GetFreeOutputsFor(fDeviceInfo[i].node, &output, 1, &count, B_MEDIA_ENCODED_AUDIO); 107 return (err == B_OK) && (count == 1); 108 } 109 110 111 bool 112 DeviceRoster::IsRawVideoOutputFree(int i) 113 { 114 ASSERT(i >= 0 && i < fDeviceCount); 115 116 media_output output; 117 int32 count; 118 status_t err; 119 120 err = MediaRoster()->GetFreeOutputsFor(fDeviceInfo[i].node, &output, 1, &count, B_MEDIA_RAW_VIDEO); 121 return (err == B_OK) && (count == 1); 122 } 123 124 125 bool 126 DeviceRoster::IsEncVideoOutputFree(int i) 127 { 128 ASSERT(i >= 0 && i < fDeviceCount); 129 130 media_output output; 131 int32 count; 132 status_t err; 133 134 err = MediaRoster()->GetFreeOutputsFor(fDeviceInfo[i].node, &output, 1, &count, B_MEDIA_ENCODED_VIDEO); 135 return (err == B_OK) && (count == 1); 136 } 137 138 139 BMediaRoster * 140 DeviceRoster::MediaRoster() 141 { 142 return BMediaRoster::Roster(); 143 } 144 145