[4373] | 1 | //hwmixer_oss.c: |
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| 2 | |
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| 3 | /* |
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[5823] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010-2013 |
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[4373] | 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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[4752] | 28 | #ifndef ROAR_WITHOUT_DCOMP_MIXER |
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[4750] | 29 | |
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[4390] | 30 | #if defined(ROAR_HAVE_OSS_BSD) || defined(ROAR_HAVE_OSS) |
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| 31 | |
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[4373] | 32 | #define OSS_VOLUME_SCALE 100 |
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| 33 | |
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| 34 | struct subdev { |
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| 35 | int bit; |
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| 36 | int channels; |
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| 37 | long long int cmd_read, cmd_write; |
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| 38 | }; |
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| 39 | |
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[4388] | 40 | static struct subdev_map { |
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| 41 | const char * name; |
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| 42 | struct subdev subdev; |
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| 43 | } g_subdevs[] = { |
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[4391] | 44 | {"Volume", {.bit = SOUND_MASK_VOLUME, .cmd_read = SOUND_MIXER_READ_VOLUME, .cmd_write = SOUND_MIXER_WRITE_VOLUME }}, |
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| 45 | {"Bass", {.bit = SOUND_MASK_BASS, .cmd_read = SOUND_MIXER_READ_BASS, .cmd_write = SOUND_MIXER_WRITE_BASS }}, |
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| 46 | {"Treble", {.bit = SOUND_MASK_TREBLE, .cmd_read = SOUND_MIXER_READ_TREBLE, .cmd_write = SOUND_MIXER_WRITE_TREBLE }}, |
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| 47 | {"Synth", {.bit = SOUND_MASK_SYNTH, .cmd_read = SOUND_MIXER_READ_SYNTH, .cmd_write = SOUND_MIXER_WRITE_SYNTH }}, |
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| 48 | {"PCM", {.bit = SOUND_MASK_PCM, .cmd_read = SOUND_MIXER_READ_PCM, .cmd_write = SOUND_MIXER_WRITE_PCM }}, |
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| 49 | {"Speaker", {.bit = SOUND_MASK_SPEAKER, .cmd_read = SOUND_MIXER_READ_SPEAKER, .cmd_write = SOUND_MIXER_WRITE_SPEAKER }}, |
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| 50 | {"Line", {.bit = SOUND_MASK_LINE, .cmd_read = SOUND_MIXER_READ_LINE, .cmd_write = SOUND_MIXER_WRITE_LINE }}, |
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| 51 | {"Mic", {.bit = SOUND_MASK_MIC, .cmd_read = SOUND_MIXER_READ_MIC, .cmd_write = SOUND_MIXER_WRITE_MIC }}, |
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| 52 | {"CD", {.bit = SOUND_MASK_CD, .cmd_read = SOUND_MIXER_READ_CD, .cmd_write = SOUND_MIXER_WRITE_CD }}, |
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| 53 | {"Imix", {.bit = SOUND_MASK_IMIX, .cmd_read = SOUND_MIXER_READ_IMIX, .cmd_write = SOUND_MIXER_WRITE_IMIX }}, |
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| 54 | {"AltPCM", {.bit = SOUND_MASK_ALTPCM, .cmd_read = SOUND_MIXER_READ_ALTPCM, .cmd_write = SOUND_MIXER_WRITE_ALTPCM }}, |
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| 55 | {"Reclev", {.bit = SOUND_MASK_RECLEV, .cmd_read = SOUND_MIXER_READ_RECLEV, .cmd_write = SOUND_MIXER_WRITE_RECLEV }}, |
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| 56 | {"IGain", {.bit = SOUND_MASK_IGAIN, .cmd_read = SOUND_MIXER_READ_IGAIN, .cmd_write = SOUND_MIXER_WRITE_IGAIN }}, |
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| 57 | {"OGain", {.bit = SOUND_MASK_OGAIN, .cmd_read = SOUND_MIXER_READ_OGAIN, .cmd_write = SOUND_MIXER_WRITE_OGAIN }}, |
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| 58 | {"Line1", {.bit = SOUND_MASK_LINE1, .cmd_read = SOUND_MIXER_READ_LINE1, .cmd_write = SOUND_MIXER_WRITE_LINE1 }}, |
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| 59 | {"Line2", {.bit = SOUND_MASK_LINE2, .cmd_read = SOUND_MIXER_READ_LINE2, .cmd_write = SOUND_MIXER_WRITE_LINE2 }}, |
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| 60 | {"Line3", {.bit = SOUND_MASK_LINE3, .cmd_read = SOUND_MIXER_READ_LINE3, .cmd_write = SOUND_MIXER_WRITE_LINE3 }}, |
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| 61 | /* |
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| 62 | {"Digital1", {.bit = SOUND_MASK_DIGITAL1, .cmd_read = SOUND_MIXER_READ_DIGITAL1, .cmd_write = SOUND_MIXER_WRITE_DIGITAL1}}, |
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| 63 | {"Digital2", {.bit = SOUND_MASK_DIGITAL2, .cmd_read = SOUND_MIXER_READ_DIGITAL2, .cmd_write = SOUND_MIXER_WRITE_DIGITAL2}}, |
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| 64 | {"Digital3", {.bit = SOUND_MASK_DIGITAL3, .cmd_read = SOUND_MIXER_READ_DIGITAL3, .cmd_write = SOUND_MIXER_WRITE_DIGITAL3}}, |
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| 65 | {"PhoneIn", {.bit = SOUND_MASK_PHONEIN, .cmd_read = SOUND_MIXER_READ_PHONEIN, .cmd_write = SOUND_MIXER_WRITE_PHONEIN }}, |
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| 66 | {"PhoneOut", {.bit = SOUND_MASK_PHONEOUT, .cmd_read = SOUND_MIXER_READ_PHONEOUT, .cmd_write = SOUND_MIXER_WRITE_PHONEOUT}}, |
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| 67 | {"Radio", {.bit = SOUND_MASK_RADIO, .cmd_read = SOUND_MIXER_READ_RADIO, .cmd_write = SOUND_MIXER_WRITE_RADIO }}, |
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| 68 | {"Video", {.bit = SOUND_MASK_VIDEO, .cmd_read = SOUND_MIXER_READ_VIDEO, .cmd_write = SOUND_MIXER_WRITE_VIDEO }}, |
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| 69 | {"Monitor", {.bit = SOUND_MASK_MONITOR, .cmd_read = SOUND_MIXER_READ_MONITOR, .cmd_write = SOUND_MIXER_WRITE_MONITOR }}, |
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| 70 | */ |
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| 71 | // Alias with better name: |
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| 72 | {"Master", {.bit = SOUND_MASK_VOLUME, .cmd_read = SOUND_MIXER_READ_VOLUME, .cmd_write = SOUND_MIXER_WRITE_VOLUME }}, |
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| 73 | {"PCM2", {.bit = SOUND_MASK_ALTPCM, .cmd_read = SOUND_MIXER_READ_ALTPCM, .cmd_write = SOUND_MIXER_WRITE_ALTPCM }}, |
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[4388] | 74 | {NULL} |
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| 75 | }; |
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| 76 | |
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| 77 | static int hwmixer_oss_open_stream(struct hwmixer_stream * stream, int devmask, int sdevmask, char * basename, struct roar_keyval * subname) { |
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| 78 | struct subdev * subdev; |
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| 79 | struct subdev * source_subdev = NULL; |
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| 80 | struct roar_stream_server * ss; |
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[4389] | 81 | const char * reqname = subname->value; |
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[4388] | 82 | int i; |
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[4389] | 83 | char name[80]; |
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[4388] | 84 | |
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| 85 | for (i = 0; g_subdevs[i].name != NULL; i++) { |
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| 86 | if ( !strcasecmp(subname->key, g_subdevs[i].name) ) { |
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| 87 | source_subdev = &(g_subdevs[i].subdev); |
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[4389] | 88 | if ( reqname == NULL ) |
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| 89 | reqname = g_subdevs[i].name; |
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[4388] | 90 | break; |
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| 91 | } |
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| 92 | } |
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| 93 | |
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| 94 | if ( source_subdev == NULL ) |
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| 95 | return -1; |
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| 96 | |
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| 97 | if ( !(devmask & source_subdev->bit) ) |
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| 98 | return -1; |
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| 99 | |
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| 100 | subdev = roar_mm_malloc(sizeof(struct subdev)); |
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| 101 | |
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| 102 | if ( subdev == NULL ) |
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| 103 | return -1; |
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| 104 | |
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| 105 | memcpy(subdev, source_subdev, sizeof(struct subdev)); |
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| 106 | |
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| 107 | subdev->channels = sdevmask & subdev->bit ? 2 : 1; |
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| 108 | |
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| 109 | stream->ud = subdev; |
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| 110 | |
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[4389] | 111 | if ( basename == NULL ) { |
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[4391] | 112 | streams_set_name(stream->stream, (char*)reqname); |
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[4389] | 113 | } else { |
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| 114 | snprintf(name, sizeof(name)-1, "%s/%s", basename, reqname); |
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| 115 | name[sizeof(name)-1] = 0; |
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| 116 | streams_set_name(stream->stream, name); |
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| 117 | } |
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| 118 | |
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[4388] | 119 | if (streams_get(stream->stream, &ss) != -1) { |
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| 120 | ROAR_STREAM(ss)->info.channels = subdev->channels; |
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| 121 | } else { |
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| 122 | ROAR_WARN("hwmixer_dstr_open(*): can not get object for stream %i", stream->stream); |
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| 123 | } |
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| 124 | |
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| 125 | return 0; |
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| 126 | } |
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| 127 | |
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[4373] | 128 | int hwmixer_oss_open(struct hwmixer_stream * stream, char * drv, char * dev, int fh, char * basename, struct roar_keyval * subnames, size_t subnamelen) { |
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| 129 | struct roar_vio_calls * vio = roar_mm_malloc(sizeof(struct roar_vio_calls)); |
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| 130 | struct roar_vio_defaults def; |
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| 131 | struct roar_vio_sysio_ioctl ctl; |
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[4388] | 132 | struct roar_keyval kv; |
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[4389] | 133 | struct hwmixer_stream * cstream; |
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[4373] | 134 | int devmask, sdevmask; |
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[4393] | 135 | mixer_info info; |
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[4389] | 136 | size_t i; |
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[4373] | 137 | |
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[4388] | 138 | if ( vio == NULL ) { |
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[4373] | 139 | return -1; |
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| 140 | } |
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| 141 | |
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| 142 | if ( fh == -1 ) { |
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[4380] | 143 | #ifdef ROAR_DEFAULT_OSS_MIX_DEV |
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[4373] | 144 | if ( dev == NULL ) { |
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[4380] | 145 | dev = ROAR_DEFAULT_OSS_MIX_DEV; |
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[4373] | 146 | } |
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[4380] | 147 | #endif |
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[4373] | 148 | |
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| 149 | if ( dev == NULL ) { |
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| 150 | roar_mm_free(vio); |
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| 151 | return -1; |
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| 152 | } |
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| 153 | |
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| 154 | if ( roar_vio_dstr_init_defaults(&def, ROAR_VIO_DEF_TYPE_FILE, O_RDWR, 0644) == -1 ) { |
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| 155 | roar_mm_free(vio); |
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| 156 | return -1; |
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| 157 | } |
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| 158 | |
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| 159 | if ( roar_vio_open_dstr(vio, dev, &def, 1) == -1 ) { |
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| 160 | roar_mm_free(vio); |
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| 161 | return -1; |
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| 162 | } |
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| 163 | } else { |
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| 164 | if ( roar_vio_open_fh(vio, fh) == -1 ) { |
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| 165 | roar_mm_free(vio); |
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| 166 | return -1; |
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| 167 | } |
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| 168 | } |
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| 169 | |
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| 170 | stream->baseud = vio; |
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| 171 | |
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| 172 | ctl.cmd = SOUND_MIXER_READ_DEVMASK; |
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| 173 | ctl.argp = &devmask; |
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| 174 | |
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| 175 | if ( roar_vio_ctl(vio, ROAR_VIO_CTL_SYSIO_IOCTL, &ctl) == -1 ) { |
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| 176 | roar_vio_close(vio); |
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| 177 | roar_mm_free(vio); |
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| 178 | return -1; |
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| 179 | } |
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| 180 | |
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| 181 | ctl.cmd = SOUND_MIXER_READ_STEREODEVS; |
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| 182 | ctl.argp = &sdevmask; |
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| 183 | |
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| 184 | if ( roar_vio_ctl(vio, ROAR_VIO_CTL_SYSIO_IOCTL, &ctl) == -1 ) { |
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| 185 | sdevmask = 0; |
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| 186 | } |
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| 187 | |
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[4393] | 188 | if ( basename == NULL ) { |
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| 189 | ctl.cmd = SOUND_MIXER_INFO; |
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| 190 | ctl.argp = &info; |
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| 191 | |
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| 192 | if ( roar_vio_ctl(vio, ROAR_VIO_CTL_SYSIO_IOCTL, &ctl) == 0 ) { |
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| 193 | basename = info.name; |
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| 194 | } |
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| 195 | } |
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| 196 | |
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[4389] | 197 | if ( subnamelen == 0 ) { |
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[4391] | 198 | kv.key = "Master"; |
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[4389] | 199 | kv.value = NULL; |
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[4373] | 200 | |
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[4389] | 201 | if ( hwmixer_oss_open_stream(stream, devmask, sdevmask, basename, &kv) == -1 ) { |
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| 202 | roar_vio_close(vio); |
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| 203 | roar_mm_free(vio); |
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| 204 | return -1; |
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| 205 | } |
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| 206 | } else { |
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| 207 | if ( hwmixer_oss_open_stream(stream, devmask, sdevmask, basename, subnames) == -1 ) { |
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| 208 | roar_vio_close(vio); |
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| 209 | roar_mm_free(vio); |
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| 210 | return -1; |
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| 211 | } |
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| 212 | |
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| 213 | for (i = 1; i < subnamelen; i++) { |
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| 214 | cstream = hwmixer_substream_new(stream); |
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| 215 | if ( hwmixer_oss_open_stream(cstream, devmask, sdevmask, basename, &(subnames[i])) == -1 ) { |
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| 216 | roar_vio_close(vio); |
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| 217 | roar_mm_free(vio); |
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| 218 | return -1; |
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| 219 | } |
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| 220 | } |
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[4373] | 221 | } |
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| 222 | |
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| 223 | |
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| 224 | #ifdef TEST_HWMIXER_SUBSTREAMS |
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| 225 | stream = hwmixer_substream_new(stream); |
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| 226 | if ( stream == NULL ) { |
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| 227 | ROAR_WARN("hwmixer_dstr_open(*): can not create substream"); |
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| 228 | } else { |
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| 229 | if (streams_get(stream->stream, &ss) != -1) { |
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| 230 | ROAR_STREAM(ss)->info.channels = 2; |
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| 231 | } else { |
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| 232 | ROAR_WARN("hwmixer_dstr_open(*): can not get object for stream %i", stream->stream); |
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| 233 | } |
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| 234 | } |
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| 235 | #endif |
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| 236 | |
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| 237 | return 0; |
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| 238 | } |
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| 239 | |
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| 240 | int hwmixer_oss_close(struct hwmixer_stream * stream) { |
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| 241 | // are we a substream? if yes we do not clean up anything. |
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| 242 | // streams_delete() will do all our work. |
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| 243 | |
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| 244 | roar_mm_free(stream->ud); |
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| 245 | |
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| 246 | if ( stream->stream != stream->basestream ) |
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| 247 | return 0; |
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| 248 | |
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| 249 | roar_vio_close(stream->baseud); |
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| 250 | roar_mm_free(stream->baseud); |
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| 251 | return 0; |
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| 252 | } |
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| 253 | |
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| 254 | int hwmixer_oss_set_vol(struct hwmixer_stream * stream, int channels, int mode, struct roar_mixer_settings * settings) { |
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| 255 | struct roar_vio_calls * vio = stream->baseud; |
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| 256 | struct roar_vio_sysio_ioctl ctl; |
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| 257 | struct subdev * subdev = stream->ud; |
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| 258 | int i; |
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| 259 | int l, r; |
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| 260 | |
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| 261 | if ( channels == 0 ) |
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| 262 | return 0; |
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| 263 | |
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| 264 | if ( channels == 1 ) { |
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| 265 | l = r = settings->mixer[0]; |
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| 266 | } else { |
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| 267 | l = settings->mixer[0]; |
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| 268 | r = settings->mixer[1]; |
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| 269 | } |
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| 270 | |
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| 271 | if ( subdev->channels == 1 ) { |
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| 272 | l = r = (l + r) / 2; |
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| 273 | } |
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| 274 | |
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| 275 | l = (l * OSS_VOLUME_SCALE) / settings->scale; |
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| 276 | r = (r * OSS_VOLUME_SCALE) / settings->scale; |
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| 277 | |
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| 278 | i = (l & 0xFF) | ((r & 0xFF) << 8); |
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| 279 | |
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| 280 | ctl.cmd = subdev->cmd_write; |
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| 281 | ctl.argp = &i; |
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| 282 | |
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| 283 | return roar_vio_ctl(vio, ROAR_VIO_CTL_SYSIO_IOCTL, &ctl); |
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| 284 | } |
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| 285 | |
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[4378] | 286 | int hwmixer_oss_get_vol(struct hwmixer_stream * stream, int channels, int mode, struct roar_mixer_settings * settings) { |
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| 287 | struct roar_vio_calls * vio = stream->baseud; |
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| 288 | struct roar_vio_sysio_ioctl ctl; |
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| 289 | struct subdev * subdev = stream->ud; |
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| 290 | int i; |
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| 291 | int l, r; |
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| 292 | |
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| 293 | ctl.cmd = subdev->cmd_read; |
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| 294 | ctl.argp = &i; |
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| 295 | |
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| 296 | if ( roar_vio_ctl(vio, ROAR_VIO_CTL_SYSIO_IOCTL, &ctl) == -1 ) |
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| 297 | return -1; |
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| 298 | |
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| 299 | l = i & 0xFF; |
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| 300 | r = (i >> 8) & 0xFF; |
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| 301 | |
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| 302 | if ( subdev->channels == 1 ) |
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| 303 | r = l; |
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| 304 | |
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| 305 | settings->scale = OSS_VOLUME_SCALE; |
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| 306 | |
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| 307 | if ( channels == 1 ) { |
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| 308 | settings->mixer[0] = (l + r) / 2; |
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| 309 | } else if ( channels == 2 ) { |
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| 310 | settings->mixer[0] = l; |
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| 311 | settings->mixer[1] = r; |
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| 312 | } else { |
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| 313 | return -1; |
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| 314 | } |
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| 315 | |
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| 316 | return 0; |
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| 317 | } |
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| 318 | |
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[4390] | 319 | #endif |
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| 320 | |
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[4750] | 321 | #endif |
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| 322 | |
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[4373] | 323 | //ll |
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