[0] | 1 | //esdctl.c: |
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| 2 | |
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[705] | 3 | /* |
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[5381] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2012 |
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[705] | 5 | * The code (may) include prototypes and comments (and maybe |
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| 6 | * other code fragements) from EsounD. |
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| 7 | * They are mostly copyrighted by Eric B. Mitchell (aka 'Ricdude) |
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| 8 | * <ericmit@ix.netcom.com>. For more information see AUTHORS.esd. |
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| 9 | * |
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| 10 | * This file is part of libroaresd a part of RoarAudio, |
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| 11 | * a cross-platform sound system for both, home and professional use. |
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| 12 | * See README for details. |
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| 13 | * |
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| 14 | * This file is free software; you can redistribute it and/or modify |
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| 15 | * it under the terms of the GNU General Public License version 3 |
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| 16 | * as published by the Free Software Foundation. |
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| 17 | * |
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| 18 | * RoarAudio is distributed in the hope that it will be useful, |
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| 19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 21 | * GNU General Public License for more details. |
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| 22 | * |
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| 23 | * You should have received a copy of the GNU General Public License |
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| 24 | * along with this software; see the file COPYING. If not, write to |
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[3517] | 25 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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| 26 | * Boston, MA 02110-1301, USA. |
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[705] | 27 | * |
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| 28 | * NOTE for everyone want's to change something and send patches: |
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| 29 | * read README and HACKING! There a addition information on |
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| 30 | * the license of this document you need to read before you send |
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| 31 | * any patches. |
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| 32 | * |
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| 33 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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| 34 | * or libpulse*: |
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| 35 | * The libs libroaresd, libroararts and libroarpulse link this libroar |
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| 36 | * and are therefore GPL. Because of this it may be illigal to use |
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| 37 | * them with any software that uses libesd, libartsc or libpulse*. |
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| 38 | */ |
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| 39 | |
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[0] | 40 | #include "libroaresd.h" |
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| 41 | |
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| 42 | /* lock/unlock will disable/enable foreign clients from connecting */ |
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| 43 | |
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| 44 | // we do not have such a thing at the moment... |
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| 45 | // so always return -1 |
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| 46 | int esd_lock( int esd ) { |
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[5270] | 47 | (void)esd; |
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| 48 | errno = ENOSYS; |
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[0] | 49 | return -1; |
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| 50 | } |
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| 51 | int esd_unlock( int esd ) { |
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[5270] | 52 | (void)esd; |
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| 53 | errno = ENOSYS; |
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[0] | 54 | return -1; |
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| 55 | } |
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| 56 | |
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| 57 | /* standby/resume will free/reclaim audio device so others may use it */ |
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| 58 | int esd_standby( int esd ) { |
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| 59 | struct roar_connection con; |
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| 60 | |
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[1660] | 61 | roar_connect_fh(&con, esd); |
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[0] | 62 | |
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| 63 | return roar_set_standby(&con, ROAR_STANDBY_ACTIVE); |
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| 64 | } |
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| 65 | |
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| 66 | int esd_resume( int esd ) { |
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| 67 | struct roar_connection con; |
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| 68 | |
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[1660] | 69 | roar_connect_fh(&con, esd); |
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[0] | 70 | |
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| 71 | return roar_set_standby(&con, ROAR_STANDBY_INACTIVE); |
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| 72 | } |
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| 73 | |
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[5270] | 74 | static void _format2str(char * buf, size_t len, esd_format_t format) { |
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| 75 | |
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| 76 | if ( (format & ESD_BITS16) == ESD_BITS16 ) { |
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| 77 | roar_mm_strlcat(buf, "16 bit ", len); |
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| 78 | } else { |
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| 79 | roar_mm_strlcat(buf, "8 bit ", len); |
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| 80 | } |
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| 81 | |
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| 82 | if ( (format & ESD_STEREO) == ESD_STEREO ) { |
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| 83 | roar_mm_strlcat(buf, "stereo ", len); |
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| 84 | } else { |
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| 85 | roar_mm_strlcat(buf, "mono ", len); |
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| 86 | } |
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| 87 | } |
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| 88 | |
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[0] | 89 | /* print server into to stdout */ |
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[4975] | 90 | void esd_print_server_info(esd_server_info_t *server_info ) { |
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[0] | 91 | char buf[80] = ""; |
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| 92 | |
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[5270] | 93 | _format2str(buf, sizeof(buf), server_info->format); |
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[0] | 94 | |
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| 95 | printf("server version = %i\n", server_info->version); |
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| 96 | printf("server format = 0x%08x %s\n", server_info->format, buf); |
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| 97 | printf("server rate = %i\n", server_info->rate); |
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| 98 | } |
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| 99 | |
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| 100 | void esd_print_player_info( esd_player_info_t *player_info ) { |
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| 101 | char buf[80] = ""; |
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| 102 | |
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[5270] | 103 | _format2str(buf, sizeof(buf), player_info->format); |
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[0] | 104 | |
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| 105 | printf("player %i name = %s\n", player_info->source_id, player_info->name); |
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| 106 | printf("player %i format = 0x%08x %s\n", player_info->source_id, player_info->format, buf); |
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| 107 | printf("player %i rate = %i\n", player_info->source_id, player_info->rate); |
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| 108 | printf("player %i left = %i\n", player_info->source_id, player_info->left_vol_scale ); |
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| 109 | printf("player %i right = %i\n", player_info->source_id, player_info->right_vol_scale ); |
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| 110 | } |
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[26] | 111 | |
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[0] | 112 | void esd_print_sample_info( esd_sample_info_t *sample_info ) { |
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[5270] | 113 | char buf[80] = ""; |
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| 114 | |
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| 115 | _format2str(buf, sizeof(buf), sample_info->format); |
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| 116 | |
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| 117 | printf("sample %i name = %s\n", sample_info->sample_id, sample_info->name); |
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| 118 | printf("sample %i format = 0x%08x %s\n", sample_info->sample_id, sample_info->format, buf); |
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| 119 | printf("sample %i rate = %i\n", sample_info->sample_id, sample_info->rate); |
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| 120 | printf("sample %i left = %i\n", sample_info->sample_id, sample_info->left_vol_scale); |
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| 121 | printf("sample %i right = %i\n", sample_info->sample_id, sample_info->right_vol_scale); |
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| 122 | printf("sample %i length = %i\n", sample_info->sample_id, sample_info->length); |
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[0] | 123 | } |
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| 124 | |
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| 125 | /* print all info to stdout */ |
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| 126 | void esd_print_all_info( esd_info_t *all_info ) { |
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| 127 | esd_player_info_t *player; |
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| 128 | esd_sample_info_t *sample; |
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| 129 | |
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| 130 | |
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| 131 | esd_print_server_info(all_info->server); |
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| 132 | |
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| 133 | player = all_info->player_list; |
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| 134 | |
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| 135 | while (player) { |
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| 136 | esd_print_player_info(player); |
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| 137 | player = player->next; |
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| 138 | } |
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| 139 | |
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| 140 | sample = all_info->sample_list; |
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| 141 | |
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| 142 | while (sample) { |
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| 143 | esd_print_sample_info(sample); |
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| 144 | sample = sample->next; |
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| 145 | } |
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| 146 | |
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| 147 | } |
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| 148 | |
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| 149 | /* retrieve server properties (sample rate, format, version number) */ |
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| 150 | esd_server_info_t *esd_get_server_info( int esd ) { |
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| 151 | esd_server_info_t * r; |
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| 152 | struct roar_stream s; |
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| 153 | struct roar_connection con; |
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| 154 | struct roar_message m; |
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| 155 | |
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[4975] | 156 | r = roar_mm_malloc(sizeof(esd_server_info_t)); |
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[0] | 157 | |
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| 158 | if ( r == NULL ) |
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| 159 | return NULL; |
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| 160 | |
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| 161 | r->version = 0; // seems to be static |
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| 162 | |
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[1660] | 163 | roar_connect_fh(&con, esd); |
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[3875] | 164 | |
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| 165 | memset(&m, 0, sizeof(m)); |
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| 166 | |
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[0] | 167 | m.cmd = ROAR_CMD_SERVER_OINFO; |
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| 168 | m.datalen = 0; |
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| 169 | |
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| 170 | if ( roar_req(&con, &m, NULL) == -1 ) { |
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[4975] | 171 | roar_mm_free(r); |
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[0] | 172 | return NULL; |
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| 173 | } |
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| 174 | |
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| 175 | if ( m.cmd != ROAR_CMD_OK ) { |
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[4975] | 176 | roar_mm_free(r); |
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[0] | 177 | return NULL; |
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| 178 | } |
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| 179 | |
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| 180 | if ( roar_stream_m2s(&s, &m) == -1 ) { |
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[4975] | 181 | roar_mm_free(r); |
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[0] | 182 | return NULL; |
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| 183 | } |
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| 184 | |
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| 185 | r->rate = s.info.rate; |
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| 186 | r->format = 0; |
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| 187 | |
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| 188 | if ( s.info.channels == 1 ) |
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| 189 | r->format |= ESD_MONO; |
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| 190 | else |
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| 191 | r->format |= ESD_STEREO; |
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| 192 | |
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| 193 | if ( s.info.bits == 8 ) |
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| 194 | r->format |= ESD_BITS8; |
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| 195 | else |
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| 196 | r->format |= ESD_BITS16; |
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| 197 | |
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| 198 | return r; |
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| 199 | } |
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| 200 | /* release all memory allocated for the server properties structure */ |
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| 201 | void esd_free_server_info( esd_server_info_t *server_info ) { |
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[4975] | 202 | if (server_info != NULL) |
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| 203 | roar_mm_free(server_info); |
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[0] | 204 | } |
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| 205 | |
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| 206 | /* retrieve all information from server */ |
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| 207 | esd_info_t *esd_get_all_info( int esd ) { |
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| 208 | esd_info_t * r; |
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| 209 | int i; |
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| 210 | int num; |
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| 211 | int clients[ROAR_CLIENTS_MAX]; |
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| 212 | struct roar_client c; |
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| 213 | struct roar_stream s; |
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| 214 | struct roar_connection con[1]; |
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[26] | 215 | struct roar_mixer_settings mixer; |
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| 216 | int channels; |
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[3535] | 217 | float fs; |
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[0] | 218 | esd_player_info_t * new_player, * cur = NULL; // = NULL to avoid gcc warning |
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| 219 | |
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[1660] | 220 | roar_connect_fh(con, esd); |
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[0] | 221 | |
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[4975] | 222 | r = roar_mm_malloc(sizeof(esd_info_t)); |
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[0] | 223 | |
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| 224 | if ( r == NULL ) |
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| 225 | return NULL; |
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| 226 | |
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| 227 | r->server = esd_get_server_info(esd); |
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| 228 | r->player_list = NULL; |
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| 229 | r->sample_list = NULL; |
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| 230 | |
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| 231 | if ( (num = roar_list_clients(con, clients, ROAR_CLIENTS_MAX)) == -1 ) { |
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| 232 | ROAR_ERR("esd_get_all_info(*): can not get client list"); |
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| 233 | num = 0; |
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| 234 | } |
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| 235 | |
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| 236 | for (i = 0; i < num; i++) { |
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| 237 | if ( roar_get_client(con, &c, clients[i]) == -1 ) { |
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| 238 | ROAR_ERR("esd_get_all_info(*): can not get client info"); |
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| 239 | continue; |
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| 240 | } |
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| 241 | |
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| 242 | if ( c.execed != -1 ) { |
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| 243 | if ( roar_get_stream(con, &s, c.execed) == -1 ) { |
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| 244 | ROAR_ERR("esd_get_all_info(*): can not get stream info"); |
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| 245 | continue; |
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| 246 | } |
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| 247 | |
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[4975] | 248 | if ( (new_player = roar_mm_malloc(sizeof(esd_player_info_t))) == NULL ) { |
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[0] | 249 | ROAR_ERR("esd_get_all_info(*): can not alloc memory for new player! BAD"); |
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| 250 | continue; |
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| 251 | } |
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| 252 | |
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| 253 | new_player->next = NULL; |
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| 254 | |
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| 255 | new_player->source_id = c.execed; |
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| 256 | new_player->rate = s.info.rate; |
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| 257 | |
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| 258 | new_player->format = ROAR_S2ESD(&s); |
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| 259 | // sprintf(new_player->name, "roar stream %i", c.execed); |
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| 260 | strncpy(new_player->name, c.name, ESD_NAME_MAX < ROAR_BUFFER_NAME ? ESD_NAME_MAX : ESD_NAME_MAX); |
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| 261 | |
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| 262 | new_player->server = r->server; |
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[26] | 263 | |
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| 264 | if ( roar_get_vol(con, c.execed, &mixer, &channels) == -1 ) { |
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| 265 | ROAR_ERR("esd_get_all_info(*): can not get stream mixer info"); |
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| 266 | new_player->left_vol_scale = new_player->right_vol_scale = 256; |
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| 267 | } else { |
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[3535] | 268 | fs = mixer.scale / 257; |
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[26] | 269 | if ( channels == 1 ) { |
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[3535] | 270 | new_player->left_vol_scale = new_player->right_vol_scale = mixer.mixer[0] == mixer.scale ? 256 : mixer.mixer[0] / fs; |
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[26] | 271 | } else { |
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| 272 | if ( channels != 2 ) { |
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| 273 | ROAR_ERR("esd_get_all_info(*): server seems to run in > 2 channel mode. ignoring any but the first two channels!"); |
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| 274 | } |
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[3535] | 275 | new_player->left_vol_scale = mixer.mixer[0] == mixer.scale ? 256 : mixer.mixer[0] / fs; |
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| 276 | new_player->right_vol_scale = mixer.mixer[1] == mixer.scale ? 256 : mixer.mixer[1] / fs; |
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[26] | 277 | } |
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| 278 | } |
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| 279 | |
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[0] | 280 | |
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| 281 | if ( r->player_list == NULL ) { |
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| 282 | r->player_list = cur = new_player; |
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| 283 | } else { |
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| 284 | cur->next = new_player; // add to old player |
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| 285 | cur = new_player; // hop to next player |
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| 286 | } |
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| 287 | |
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| 288 | } |
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| 289 | } |
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| 290 | |
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| 291 | return r; |
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| 292 | } |
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| 293 | |
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| 294 | /* retrieve all information from server, and update until unsubsribed or closed */ |
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[3650] | 295 | esd_info_t *esd_subscribe_all_info( int esd ) { |
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[5270] | 296 | (void)esd; |
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| 297 | errno = ENOSYS; |
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[3650] | 298 | return NULL; // Not yet implemented in upstream esd |
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| 299 | } |
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[0] | 300 | |
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| 301 | /* call to update the info structure with new information, and call callbacks */ |
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| 302 | esd_info_t *esd_update_info( int esd, esd_info_t *info, |
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[3650] | 303 | esd_update_info_callbacks_t *callbacks ) { |
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[5270] | 304 | (void)esd, (void)info, (void)callbacks; |
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| 305 | errno = ENOSYS; |
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[3650] | 306 | return NULL; // Not yet implemented in upstream esd |
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| 307 | } |
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| 308 | |
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| 309 | esd_info_t *esd_unsubscribe_info( int esd ) { |
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[5270] | 310 | (void)esd; |
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| 311 | errno = ENOSYS; |
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[3650] | 312 | return NULL; // Not yet implemented in upstream esd |
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| 313 | } |
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[0] | 314 | |
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| 315 | /* release all memory allocated for the esd info structure */ |
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| 316 | void esd_free_all_info( esd_info_t *info ) { |
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| 317 | esd_player_info_t *player, *oplayer; |
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| 318 | esd_sample_info_t *sample, *osample; |
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| 319 | |
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| 320 | if ( info != NULL ) { |
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| 321 | |
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| 322 | /* |
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| 323 | if ( info->server ) |
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| 324 | free(info->server); |
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| 325 | */ |
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| 326 | esd_free_server_info(info->server); |
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| 327 | |
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| 328 | |
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| 329 | /* |
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| 330 | // TODO: do we need to free more? |
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| 331 | if ( info->player_list ) |
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| 332 | free(info->player_list); |
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| 333 | |
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| 334 | if ( info->sample_list ) |
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| 335 | free(info->sample_list); |
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| 336 | */ |
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| 337 | |
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| 338 | player = info->player_list; |
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| 339 | |
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[4975] | 340 | while (player != NULL) { |
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[0] | 341 | oplayer = player; |
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| 342 | player = player->next; |
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| 343 | |
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[4975] | 344 | roar_mm_free(oplayer); |
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[0] | 345 | } |
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| 346 | |
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| 347 | sample = info->sample_list; |
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| 348 | |
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| 349 | while (sample) { |
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| 350 | osample = sample; |
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| 351 | sample = sample->next; |
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| 352 | |
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[4975] | 353 | roar_mm_free(osample); |
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[0] | 354 | } |
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| 355 | |
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[4975] | 356 | roar_mm_free(info); |
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[0] | 357 | } |
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| 358 | } |
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| 359 | |
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| 360 | |
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| 361 | /* reset the volume panning for a stream */ |
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| 362 | int esd_set_stream_pan( int esd, int stream_id, |
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| 363 | int left_scale, int right_scale ) { |
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[17] | 364 | struct roar_connection con; |
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| 365 | struct roar_mixer_settings mixer; |
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| 366 | |
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[1660] | 367 | roar_connect_fh(&con, esd); |
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[17] | 368 | |
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[3535] | 369 | mixer.scale = 256; |
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| 370 | mixer.mixer[0] = left_scale; |
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| 371 | mixer.mixer[1] = right_scale; |
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[17] | 372 | |
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| 373 | ROAR_DBG("esd_set_stream_pan(esd=%i, stream_id=%i, left_scale=%i, right_scale=%i) = ?", |
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| 374 | esd, stream_id, left_scale, right_scale); |
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| 375 | |
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[5236] | 376 | return roar_set_vol(&con, stream_id, &mixer, 2, ROAR_SET_VOL_UNMAPPED); |
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[0] | 377 | } |
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| 378 | |
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| 379 | /* reset the default volume panning for a sample */ |
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| 380 | int esd_set_default_sample_pan( int esd, int sample_id, |
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| 381 | int left_scale, int right_scale ) { |
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[5270] | 382 | // this is not yet implemented by the RA protocol. |
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| 383 | (void)esd, (void)sample_id, (void)left_scale, (void)right_scale; |
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| 384 | errno = ENOSYS; |
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[0] | 385 | return -1; |
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| 386 | } |
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| 387 | |
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| 388 | /* see if the server is in stnaby, autostandby, etc */ |
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| 389 | esd_standby_mode_t esd_get_standby_mode( int esd ) { |
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[5226] | 390 | struct roar_connection con; |
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| 391 | |
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| 392 | if ( roar_connect_fh(&con, esd) == -1 ) |
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| 393 | return -1; |
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| 394 | |
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| 395 | return roar_get_standby(&con); |
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[0] | 396 | } |
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| 397 | |
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| 398 | //ll |
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