1 | //playback.c: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2012 |
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5 | * |
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6 | * The code (may) include prototypes and comments (and maybe |
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7 | * other code fragements) from the yiff sound system. |
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8 | * According to the debian/copyright file upstream author is |
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9 | * Tara Milana <learfox@twu.net>. Also copyright is listed as: |
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10 | * Copyright (C) 1997-2003 WolfPack Entertainment |
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11 | * |
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12 | * This file is part of libroaryiff a part of RoarAudio, |
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13 | * a cross-platform sound system for both, home and professional use. |
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14 | * See README for details. |
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15 | * |
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16 | * This file is free software; you can redistribute it and/or modify |
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17 | * it under the terms of the GNU General Public License version 3 |
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18 | * as published by the Free Software Foundation. |
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19 | * |
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20 | * libroaryiff is distributed in the hope that it will be useful, |
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21 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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23 | * GNU General Public License for more details. |
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24 | * |
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25 | * You should have received a copy of the GNU General Public License |
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26 | * along with this software; see the file COPYING. If not, write to |
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27 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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28 | * Boston, MA 02110-1301, USA. |
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29 | * |
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30 | * NOTE: code fragments (like prototypes) taken from the yiff package |
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31 | * are 'GPLv2 or later' and are upgraded to GPLv3 by being used |
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32 | * within this document. |
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33 | * |
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34 | */ |
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35 | |
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36 | #include <libroaryiff.h> |
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37 | |
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38 | #define BUFFERSIZE 8192 |
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39 | |
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40 | #ifdef ROAR_HAVE_IO_POSIX |
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41 | #define _CAN_OPERATE |
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42 | #endif |
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43 | |
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44 | YID YStartPlaySoundObjectSimple (YConnection *con, const char *path) { |
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45 | return YStartPlaySoundObject(con, path, NULL); |
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46 | } |
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47 | |
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48 | static inline ssize_t _file_play (struct roar_connection * con, const char * file, struct roar_stream * s) { |
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49 | #ifdef _CAN_OPERATE |
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50 | int codec = -1; |
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51 | int in, out = -1; |
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52 | ssize_t r = 0; |
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53 | int seek; |
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54 | int len; |
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55 | char buf[BUFFERSIZE]; |
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56 | int rate = ROAR_RATE_DEFAULT, channels = ROAR_CHANNELS_DEFAULT, bits = ROAR_BITS_DEFAULT; |
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57 | |
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58 | // FIXME: check error cases |
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59 | |
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60 | ROAR_DBG("roar_file_play_full(*) = ?"); |
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61 | |
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62 | #ifdef ROAR_TARGET_WIN32 |
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63 | if ( (in = open(file, O_RDONLY|O_BINARY, 0644)) == -1 ) { |
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64 | #else |
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65 | if ( (in = open(file, O_RDONLY, 0644)) == -1 ) { |
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66 | #endif |
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67 | roar_err_from_errno(); |
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68 | return -1; |
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69 | } |
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70 | |
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71 | if ((len = read(in, buf, BUFFERSIZE)) < 1) { |
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72 | roar_err_from_errno(); |
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73 | close(in); |
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74 | return -1; |
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75 | } |
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76 | |
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77 | codec = roar_file_codecdetect(buf, len); |
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78 | |
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79 | ROAR_DBG("roar_file_play_full(*): codec=%i(%s)", codec, roar_codec2str(codec)); |
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80 | |
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81 | seek = lseek(in, 0, SEEK_SET) == (off_t) -1 ? 0 : 1; |
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82 | |
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83 | if ( codec == -1 ) { |
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84 | ROAR_WARN("roar_file_play_full(*): Unknown codec of file: %s", file); |
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85 | close(in); |
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86 | roar_err_set(ROAR_ERROR_BADMAGIC); |
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87 | return -1; |
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88 | } |
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89 | |
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90 | if ( !seek ) { |
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91 | ROAR_WARN("roar_file_play_full(*): passfh on non seekable file: this may produce incorrect playback"); |
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92 | close(in); |
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93 | roar_err_set(ROAR_ERROR_NOSEEK); |
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94 | return -1; |
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95 | } |
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96 | |
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97 | if ( roar_stream_new(s, rate, channels, bits, codec) == -1 ) { |
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98 | close(in); |
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99 | return -1; |
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100 | } |
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101 | |
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102 | if ( roar_stream_connect(con, s, ROAR_DIR_PLAY, -1) == -1 ) { |
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103 | close(in); |
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104 | return -1; |
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105 | } |
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106 | |
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107 | if ( roar_stream_passfh(con, s, in) == -1 ) { |
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108 | close(in); |
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109 | roar_kick(con, ROAR_OT_STREAM, roar_stream_get_id(s)); |
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110 | return -1; |
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111 | } |
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112 | |
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113 | close(out); |
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114 | close(in); |
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115 | return 0; |
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116 | |
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117 | return r; |
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118 | #else |
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119 | roar_err_set(ROAR_ERROR_NOSYS); |
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120 | return -1; |
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121 | #endif |
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122 | } |
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123 | |
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124 | YID YStartPlaySoundObject (YConnection *con, const char *path, YEventSoundPlay *value) { |
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125 | struct roar_connection rcon; |
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126 | struct roar_stream stream[1]; |
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127 | |
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128 | if ( con == NULL ) |
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129 | return YIDNULL; |
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130 | |
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131 | if ( path == NULL ) |
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132 | return YIDNULL; |
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133 | |
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134 | roar_connect_fh(&rcon, con->fd); |
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135 | |
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136 | // hm,... find out how to do this. |
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137 | // need to start ssize_t roar_file_play (struct roar_connection * con, char * file, int exec) |
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138 | // in background |
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139 | |
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140 | if ( _file_play(&rcon, path, stream) == -1 ) { |
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141 | ROAR_ERR("Can not start playback"); |
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142 | return YIDNULL; |
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143 | } |
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144 | |
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145 | return con->prev_generated_yid = ROARYIFF_ROAR2YID(stream->id); |
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146 | } |
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147 | |
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148 | void YDestroyPlaySoundObject(YConnection *con, YID yid) { |
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149 | struct roar_connection rcon; |
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150 | |
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151 | if ( !con ) |
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152 | return ; |
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153 | |
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154 | if ( yid == YIDNULL ) |
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155 | return; |
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156 | |
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157 | roar_connect_fh(&rcon, con->fd); |
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158 | |
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159 | roar_kick(&rcon, ROAR_OT_STREAM, ROARYIFF_YID2ROAR(yid)); |
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160 | } |
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161 | |
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162 | //ll |
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