| 1 | //codecfilter_roardmx.c: |
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| 2 | |
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| 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2013 |
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| 5 | * |
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| 6 | * This file is part of roard a part of RoarAudio, |
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| 7 | * a cross-platform sound system for both, home and professional use. |
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| 8 | * See README for details. |
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| 9 | * |
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| 10 | * This file is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License version 3 |
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| 12 | * as published by the Free Software Foundation. |
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| 13 | * |
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| 14 | * RoarAudio is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | * GNU General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with this software; see the file COPYING. If not, write to |
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| 21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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| 22 | * Boston, MA 02110-1301, USA. |
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| 23 | * |
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| 24 | */ |
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| 25 | |
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| 26 | #include "roard.h" |
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| 27 | |
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| 28 | #ifndef ROAR_WITHOUT_DCOMP_LIGHT |
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| 29 | |
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| 30 | int cf_light_roardmx_read(int id, struct roar_stream_server * ss) { |
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| 31 | struct roar_roardmx_message mes; |
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| 32 | int i, c; |
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| 33 | uint16_t channel; |
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| 34 | uint8_t value; |
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| 35 | |
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| 36 | if ( roar_roardmx_message_recv(&mes, &(ss->vio)) == -1 ) { |
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| 37 | return -1; |
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| 38 | } |
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| 39 | |
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| 40 | // we ignore errors here at the moment as 0 not < -1 |
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| 41 | c = roar_roardmx_message_numchannels(&mes); |
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| 42 | ROAR_DBG("light_check_stream(id=%i): Number of subframes: %u", id, c); |
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| 43 | |
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| 44 | for (i = 0; i < c; i++) { |
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| 45 | if ( roar_roardmx_message_get_chanval(&mes, &channel, &value, i) == -1 ) |
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| 46 | return -1; |
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| 47 | |
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| 48 | if ( g_light_state.channels < channel ) { |
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| 49 | ROAR_WARN("light_check_stream(id=%i): Writing on non extisting DMX channel %u", id, channel); |
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| 50 | continue; |
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| 51 | } else { |
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| 52 | g_light_state.state[channel] = value; |
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| 53 | g_light_state.changes[channel] = 0xFF; // the channel changed |
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| 54 | } |
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| 55 | } |
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| 56 | |
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| 57 | return 0; |
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| 58 | } |
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| 59 | |
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| 60 | int cf_light_roardmx_write(int id, struct roar_stream_server * ss) { |
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| 61 | struct roar_roardmx_message mes; |
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| 62 | int have_message = 0; |
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| 63 | int i; |
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| 64 | |
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| 65 | for (i = 0; i < g_light_state.channels; i++) { |
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| 66 | if ( g_light_state.changes[i] ) { |
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| 67 | if ( !have_message ) |
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| 68 | if ( roar_roardmx_message_new_sset(&mes) == -1 ) |
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| 69 | return -1; |
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| 70 | |
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| 71 | have_message = 2; |
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| 72 | |
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| 73 | if ( roar_roardmx_message_add_chanval(&mes, i, g_light_state.state[i]) == -1 ) { |
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| 74 | if ( roar_roardmx_message_send(&mes, &(ss->vio)) == -1 ) |
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| 75 | return -1; |
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| 76 | |
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| 77 | if ( roar_roardmx_message_new_sset(&mes) == -1 ) |
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| 78 | return -1; |
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| 79 | |
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| 80 | have_message = 1; |
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| 81 | } |
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| 82 | } |
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| 83 | } |
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| 84 | |
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| 85 | if ( have_message == 2 ) |
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| 86 | if ( roar_roardmx_message_send(&mes, &(ss->vio)) == -1 ) |
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| 87 | return -1; |
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| 88 | |
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| 89 | return 0; |
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| 90 | } |
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| 91 | |
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| 92 | #endif |
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| 93 | |
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| 94 | //ll |
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