[0] | 1 | //streams.c: |
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| 2 | |
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[668] | 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008 |
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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, 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 22 | * |
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| 23 | */ |
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| 24 | |
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[0] | 25 | #include "roard.h" |
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| 26 | |
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| 27 | int streams_init (void) { |
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| 28 | int i; |
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| 29 | |
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| 30 | for (i = 0; i < ROAR_STREAMS_MAX; i++) |
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| 31 | g_streams[i] = NULL; |
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| 32 | |
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| 33 | return 0; |
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| 34 | } |
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| 35 | |
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| 36 | int streams_free (void) { |
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| 37 | int i; |
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| 38 | |
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| 39 | for (i = 0; i < ROAR_STREAMS_MAX; i++) { |
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| 40 | if ( g_streams[i] != NULL ) { |
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| 41 | streams_delete(i); |
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| 42 | } |
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| 43 | } |
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| 44 | |
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| 45 | return 0; |
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| 46 | } |
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| 47 | |
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| 48 | |
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| 49 | int streams_new (void) { |
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[16] | 50 | int i, j; |
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[494] | 51 | struct roar_stream * n = NULL; |
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| 52 | struct roar_stream_server * s = NULL; |
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[0] | 53 | |
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[1498] | 54 | #ifdef ROAR_SUPPORT_LISTEN |
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[1155] | 55 | if ( g_terminate && !g_no_listen ) // don't accept new streams in case of termination state |
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[1148] | 56 | return -1; |
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[1498] | 57 | #else |
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| 58 | if ( g_terminate ) // don't accept new streams in case of termination state |
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| 59 | return -1; |
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| 60 | #endif |
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[1148] | 61 | |
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[0] | 62 | for (i = 0; i < ROAR_STREAMS_MAX; i++) { |
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| 63 | if ( g_streams[i] == NULL ) { |
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[494] | 64 | s = ROAR_STREAM_SERVER(n = ROAR_STREAM(malloc(sizeof(struct roar_stream_server)))); |
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[0] | 65 | if ( n == NULL ) { |
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| 66 | ROAR_ERR("streams_new(void): can not allocate memory for new stream: %s", strerror(errno)); |
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| 67 | ROAR_DBG("streams_new(void) = -1"); |
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| 68 | return -1; |
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| 69 | } |
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| 70 | |
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| 71 | n->id = i; |
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| 72 | n->fh = -1; |
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| 73 | // n->pos_rel_id = i; |
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| 74 | n->database = NULL; |
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| 75 | n->dataoff = NULL; |
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| 76 | n->datalen = 0; |
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| 77 | n->offset = 0; |
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[381] | 78 | n->pos = 0; |
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[0] | 79 | |
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[494] | 80 | s->client = -1; |
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| 81 | s->socktype = ROAR_SOCKET_TYPE_UNKNOWN; |
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| 82 | s->buffer = NULL; |
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| 83 | s->need_extra = 0; |
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| 84 | s->output = NULL; |
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| 85 | s->is_new = 1; |
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| 86 | s->codecfilter = -1; |
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[538] | 87 | s->pre_underruns = 0; |
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| 88 | s->post_underruns = 0; |
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[1137] | 89 | s->delay = 0; |
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[538] | 90 | s->codec_orgi = -1; |
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[643] | 91 | s->primary = 0; |
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[494] | 92 | |
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| 93 | s->mixer.scale = 65535; |
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| 94 | s->mixer.rpg_mul = 1; |
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| 95 | s->mixer.rpg_div = 1; |
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[16] | 96 | for (j = 0; j < ROAR_MAX_CHANNELS; j++) |
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[494] | 97 | s->mixer.mixer[j] = 65535; |
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| 98 | |
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[1498] | 99 | #ifdef ROAR_SUPPORT_META |
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[90] | 100 | for (j = 0; j < ROAR_META_MAX_PER_STREAM; j++) { |
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[494] | 101 | s->meta[j].type = ROAR_META_TYPE_NONE; |
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| 102 | s->meta[j].key[0] = 0; |
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| 103 | s->meta[j].value = NULL; |
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[90] | 104 | } |
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[1498] | 105 | #endif |
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[0] | 106 | |
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[592] | 107 | roar_vio_init_calls(&(s->vio)); |
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[930] | 108 | s->driver_id = -1; |
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[1030] | 109 | s->flags = ROAR_FLAG_NONE; |
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[592] | 110 | |
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[981] | 111 | roardsp_fchain_init(&(s->fc)); |
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| 112 | |
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[494] | 113 | g_streams[i] = s; |
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[491] | 114 | ROAR_DBG("streams_new(void): n->id=%i", n->id); |
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[0] | 115 | ROAR_DBG("streams_new(void) = %i", i); |
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| 116 | return i; |
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| 117 | } |
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| 118 | } |
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| 119 | |
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| 120 | return -1; |
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| 121 | } |
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| 122 | |
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| 123 | int streams_delete (int id) { |
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[643] | 124 | struct roar_stream_server * s; |
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[645] | 125 | int prim; |
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[1245] | 126 | int no_vio_close = 0; |
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[645] | 127 | |
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[643] | 128 | if ( (s = g_streams[id]) == NULL ) |
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[0] | 129 | return 0; |
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| 130 | |
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| 131 | ROAR_DBG("streams_delete(id=%i) = ?", id); |
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[643] | 132 | ROAR_DBG("streams_delete(id=%i): g_streams[id]->id=%i", id, ROAR_STREAM(s)->id); |
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[0] | 133 | |
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[1498] | 134 | #ifdef ROAR_SUPPORT_META |
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[1045] | 135 | // delete meta data form other meta streams if needed |
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| 136 | if ( streams_get_flag(id, ROAR_FLAG_META) == 1 ) { |
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| 137 | ROAR_DBG("streams_delete(id=%i): deleting meta stream!", id); |
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| 138 | stream_meta_clear(id); |
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| 139 | stream_meta_finalize(id); |
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| 140 | } |
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[1498] | 141 | #endif |
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[1045] | 142 | |
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[643] | 143 | if ( s->codecfilter != -1 ) { |
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| 144 | codecfilter_close(s->codecfilter_inst, s->codecfilter); |
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| 145 | s->codecfilter_inst = NULL; |
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| 146 | s->codecfilter = -1; |
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| 147 | } |
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| 148 | |
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[936] | 149 | if ( s->driver_id != -1 ) { |
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[937] | 150 | driver_closevio(&(s->vio), s->driver_id); |
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[936] | 151 | roar_vio_init_calls(&(s->vio)); |
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| 152 | s->driver_id = -1; |
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[1245] | 153 | no_vio_close = 1; |
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[936] | 154 | } |
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| 155 | |
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[981] | 156 | roardsp_fchain_uninit(&(s->fc)); |
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| 157 | |
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[643] | 158 | if ( s->client != -1 ) { |
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| 159 | ROAR_DBG("streams_delete(id=%i): Stream is owned by client %i", id, g_streams[id]->client); |
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| 160 | client_stream_delete(s->client, id); |
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[269] | 161 | } |
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| 162 | |
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[643] | 163 | if ( s->buffer != NULL ) |
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| 164 | roar_buffer_free(s->buffer); |
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| 165 | |
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| 166 | if ( s->output != NULL ) |
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| 167 | free(s->output); |
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| 168 | |
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[1243] | 169 | /* |
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[643] | 170 | if ( ROAR_STREAM(s)->fh != -1 ) |
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| 171 | close(ROAR_STREAM(s)->fh); |
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[1243] | 172 | */ |
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| 173 | |
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[1245] | 174 | if ( !no_vio_close ) |
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| 175 | roar_vio_close(&(s->vio)); |
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[643] | 176 | |
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[645] | 177 | prim = s->primary; |
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[0] | 178 | |
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[643] | 179 | free(s); |
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[0] | 180 | |
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| 181 | g_streams[id] = NULL; |
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| 182 | |
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[645] | 183 | if ( prim ) { |
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| 184 | alive = 0; |
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| 185 | clean_quit(); |
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| 186 | } |
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| 187 | |
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[0] | 188 | ROAR_DBG("streams_delete(id=%i) = 0", id); |
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| 189 | return 0; |
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| 190 | } |
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| 191 | |
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| 192 | int streams_set_client (int id, int client) { |
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| 193 | if ( g_streams[id] == NULL ) |
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| 194 | return -1; |
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| 195 | |
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[491] | 196 | ROAR_DBG("streams_set_client(id=%i): g_streams[id]->id=%i", id, ROAR_STREAM(g_streams[id])->id); |
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[0] | 197 | g_streams[id]->client = client; |
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| 198 | |
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| 199 | return 0; |
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| 200 | } |
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| 201 | |
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[766] | 202 | int streams_get_client (int id) { |
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| 203 | if ( g_streams[id] == NULL ) |
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| 204 | return -1; |
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| 205 | |
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| 206 | return g_streams[id]->client; |
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| 207 | } |
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| 208 | |
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| 209 | |
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[0] | 210 | int streams_set_fh (int id, int fh) { |
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[1243] | 211 | struct roar_stream_server * ss; |
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[51] | 212 | int dir; |
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| 213 | |
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[1243] | 214 | if ( (ss = g_streams[id]) == NULL ) |
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[0] | 215 | return -1; |
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| 216 | |
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[1243] | 217 | ROAR_DBG("streams_set_fh(id=%i): g_streams[id]->id=%i", id, ROAR_STREAM(ss)->id); |
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[491] | 218 | |
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[609] | 219 | ROAR_STREAM(g_streams[id])->fh = fh; |
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[0] | 220 | |
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[1243] | 221 | ROAR_DBG("streams_set_fh(id=%i, fh=%i): driverID=%i", id, fh, ss->driver_id); |
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| 222 | |
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| 223 | if ( ss->driver_id == -1 ) |
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| 224 | roar_vio_set_fh(&(ss->vio), fh); |
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| 225 | |
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| 226 | if ( codecfilter_open(&(ss->codecfilter_inst), &(ss->codecfilter), NULL, |
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| 227 | ROAR_STREAM(ss)->info.codec, ss) == -1 ) { |
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[571] | 228 | return streams_delete(id); |
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| 229 | } |
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[268] | 230 | |
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[634] | 231 | if ( fh == -1 ) { // yes, this is valid, indecats full vio! |
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| 232 | return 0; |
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| 233 | } |
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| 234 | |
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[971] | 235 | // roar_socket_recvbuf(fh, ROAR_OUTPUT_CALC_OUTBUFSIZE( &(ROAR_STREAM(g_streams[id])->info) )); // set recv buffer to minimum |
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[968] | 236 | |
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[1243] | 237 | dir = ROAR_STREAM(ss)->dir; |
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[51] | 238 | |
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[634] | 239 | if ( dir == ROAR_DIR_MONITOR || dir == ROAR_DIR_RECORD || dir == ROAR_DIR_OUTPUT ) { |
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[1498] | 240 | ROAR_SHUTDOWN(fh, SHUT_RD); |
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[51] | 241 | } |
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| 242 | |
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| 243 | if ( dir == ROAR_DIR_FILTER ) { |
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[0] | 244 | return 0; |
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| 245 | } else { |
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| 246 | return roar_socket_nonblock(fh, ROAR_SOCKET_NONBLOCK); |
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| 247 | } |
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| 248 | } |
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| 249 | |
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[66] | 250 | int streams_get_fh (int id) { |
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[84] | 251 | if ( id < 0 ) |
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| 252 | return -1; |
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| 253 | |
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[66] | 254 | if ( g_streams[id] == NULL ) |
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| 255 | return -1; |
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| 256 | |
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[609] | 257 | return ROAR_STREAM(g_streams[id])->fh; |
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[66] | 258 | } |
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[0] | 259 | |
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| 260 | int streams_get (int id, struct roar_stream_server ** stream) { |
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| 261 | if ( g_streams[id] == NULL ) |
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| 262 | return -1; |
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| 263 | |
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| 264 | *stream = g_streams[id]; |
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| 265 | |
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| 266 | return 0; |
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| 267 | } |
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| 268 | |
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[377] | 269 | int streams_set_socktype (int id, int socktype) { |
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| 270 | if ( g_streams[id] == NULL ) |
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| 271 | return -1; |
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| 272 | |
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| 273 | g_streams[id]->socktype = socktype; |
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| 274 | |
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| 275 | return 0; |
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| 276 | } |
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| 277 | |
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| 278 | int streams_get_socktype (int id) { |
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| 279 | if ( g_streams[id] == NULL ) |
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| 280 | return -1; |
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| 281 | |
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| 282 | return g_streams[id]->socktype; |
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| 283 | } |
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[0] | 284 | |
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[643] | 285 | int streams_set_primary (int id, int prim) { |
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| 286 | if ( g_streams[id] == NULL ) |
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| 287 | return -1; |
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| 288 | |
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| 289 | g_streams[id]->primary = prim; |
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| 290 | |
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| 291 | return 0; |
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| 292 | } |
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| 293 | |
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| 294 | int streams_mark_primary (int id) { |
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| 295 | return streams_set_primary(id, 1); |
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| 296 | } |
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[1029] | 297 | |
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[1116] | 298 | int streams_set_sync (int id, int sync) { |
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[1117] | 299 | int fh = streams_get_fh(id); |
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[1116] | 300 | |
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[1117] | 301 | if ( fh != -1 ) { |
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| 302 | if ( roar_socket_nonblock(fh, sync ? ROAR_SOCKET_BLOCK : ROAR_SOCKET_NONBLOCK) == -1 ) |
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| 303 | return -1; |
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[1116] | 304 | |
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[1498] | 305 | #ifdef ROAR_FDATASYNC |
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[1171] | 306 | ROAR_FDATASYNC(fh); |
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[1498] | 307 | #endif |
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[1125] | 308 | |
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| 309 | return 0; |
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[1117] | 310 | } else { |
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| 311 | return roar_vio_nonblock(&(g_streams[id]->vio), sync); |
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| 312 | } |
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[1116] | 313 | } |
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| 314 | |
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[1029] | 315 | int streams_set_flag (int id, int flag) { |
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| 316 | if ( g_streams[id] == NULL ) |
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| 317 | return -1; |
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| 318 | |
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[1043] | 319 | if ( flag & ROAR_FLAG_PRIMARY ) { |
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| 320 | streams_set_primary(id, 1); |
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| 321 | flag -= ROAR_FLAG_PRIMARY; |
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| 322 | } |
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| 323 | |
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[1116] | 324 | if ( flag & ROAR_FLAG_SYNC ) { |
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[1125] | 325 | if ( streams_set_sync(id, 1) == -1 ) |
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| 326 | flag -= ROAR_FLAG_SYNC; |
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[1116] | 327 | } |
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| 328 | |
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[1585] | 329 | if ( flag & ROAR_FLAG_HWMIXER ) { // currently not supported -> ignored |
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[1590] | 330 | g_streams[id]->flags |= flag; |
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| 331 | if ( streams_set_mixer(id) == -1 ) { |
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| 332 | g_streams[id]->flags -= flag; |
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| 333 | return -1; |
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| 334 | } |
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[1585] | 335 | } |
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| 336 | |
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[1029] | 337 | g_streams[id]->flags |= flag; |
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| 338 | |
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[1498] | 339 | #ifdef ROAR_SUPPORT_META |
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[1043] | 340 | if ( flag & ROAR_FLAG_META ) |
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| 341 | stream_meta_finalize(id); |
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[1498] | 342 | #endif |
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[1043] | 343 | |
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[1029] | 344 | return 0; |
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| 345 | } |
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| 346 | |
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| 347 | int streams_reset_flag (int id, int flag) { |
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| 348 | if ( g_streams[id] == NULL ) |
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| 349 | return -1; |
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| 350 | |
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[1043] | 351 | if ( flag & ROAR_FLAG_PRIMARY ) { |
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| 352 | streams_set_primary(id, 0); |
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| 353 | flag -= ROAR_FLAG_PRIMARY; |
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| 354 | } |
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| 355 | |
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[1116] | 356 | if ( flag & ROAR_FLAG_SYNC ) { |
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| 357 | streams_set_sync(id, 0); |
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| 358 | } |
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| 359 | |
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[1029] | 360 | g_streams[id]->flags |= flag; |
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| 361 | g_streams[id]->flags -= flag; |
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| 362 | |
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| 363 | return 0; |
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| 364 | } |
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| 365 | |
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[1042] | 366 | int streams_get_flag (int id, int flag) { |
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| 367 | if ( g_streams[id] == NULL ) |
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| 368 | return -1; |
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| 369 | |
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| 370 | return g_streams[id]->flags & flag ? 1 : 0; |
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| 371 | } |
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| 372 | |
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[1223] | 373 | int streams_calc_delay (int id) { |
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[1142] | 374 | struct roar_stream_server * ss; |
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[1151] | 375 | struct roar_stream * s; |
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[1142] | 376 | register uint_least32_t d = 0; |
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| 377 | uint_least32_t t[1]; |
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[1151] | 378 | uint64_t tmp; |
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[1142] | 379 | |
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[1151] | 380 | if ( (s = ROAR_STREAM(ss = g_streams[id])) == NULL ) |
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[1142] | 381 | return -1; |
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| 382 | |
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| 383 | if ( ss->codecfilter != -1 ) { |
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| 384 | if ( codecfilter_delay(ss->codecfilter_inst, ss->codecfilter, t) != -1 ) |
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| 385 | d += *t; |
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| 386 | } |
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| 387 | |
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[1151] | 388 | if ( ss->vio.ctl != NULL ) { |
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| 389 | if ( roar_vio_ctl(&(ss->vio), ROAR_VIO_CTL_GET_DELAY, t) != -1 ) { // *t is in byte |
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[1223] | 390 | ROAR_DBG("streams_calc_delay(id=%i): VIO delay in byte: %i", id, *t); |
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[1151] | 391 | tmp = *t; |
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| 392 | tmp *= 1000000; // musec per sec |
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| 393 | tmp /= s->info.rate * s->info.channels * (s->info.bits/8); |
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[1223] | 394 | ROAR_DBG("streams_calc_delay(id=%i): VIO delay in musec: %i", id, tmp); |
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[1151] | 395 | |
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| 396 | d += tmp; |
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| 397 | } |
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| 398 | } |
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| 399 | |
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[1223] | 400 | ROAR_DBG("streams_calc_delay(id=%i): delay in musec: %i", id, d); |
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[1151] | 401 | |
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[1142] | 402 | ss->delay = d; |
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| 403 | |
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| 404 | return 0; |
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| 405 | } |
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| 406 | |
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[1590] | 407 | int streams_set_mixer (int id) { |
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| 408 | struct roar_stream_server * ss; |
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| 409 | |
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| 410 | if ( (ss = g_streams[id]) == NULL ) |
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| 411 | return -1; |
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| 412 | |
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| 413 | if ( !streams_get_flag(id, ROAR_FLAG_HWMIXER) ) |
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| 414 | return 0; |
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| 415 | |
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| 416 | if ( ss->driver_id == -1 ) |
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| 417 | return 0; |
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| 418 | |
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| 419 | return driver_set_volume(id, &(ss->mixer)); |
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| 420 | } |
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| 421 | |
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[1224] | 422 | int streams_ctl (int id, int_least32_t cmd, void * data) { |
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| 423 | struct roar_stream_server * ss; |
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| 424 | int_least32_t comp; |
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| 425 | |
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| 426 | if ( (ss = g_streams[id]) == NULL ) |
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| 427 | return -1; |
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| 428 | |
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| 429 | comp = cmd & ROAR_STREAM_CTL_COMPMASK; |
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| 430 | |
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| 431 | cmd &= ~comp; |
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| 432 | |
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[1239] | 433 | ROAR_DBG("streams_ctl(id=%i, cmd=?, data=%p): comp=0x%.8x, cmd=0x%.4x", id, data, comp, cmd); |
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[1238] | 434 | |
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[1224] | 435 | switch (comp) { |
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| 436 | case ROAR_STREAM_CTL_COMP_BASE: |
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| 437 | break; |
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| 438 | case ROAR_STREAM_CTL_COMP_CF: |
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| 439 | return codecfilter_ctl(ss->codecfilter_inst, ss->codecfilter, cmd, data); |
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| 440 | break; |
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| 441 | case ROAR_STREAM_CTL_COMP_DRV: |
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| 442 | break; |
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| 443 | default: |
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| 444 | return -1; |
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| 445 | } |
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| 446 | |
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| 447 | return -1; |
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| 448 | } |
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| 449 | |
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[0] | 450 | int streams_get_outputbuffer (int id, void ** buffer, size_t size) { |
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| 451 | if ( g_streams[id] == NULL ) |
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| 452 | return -1; |
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| 453 | |
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| 454 | // output buffer size does never change. |
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| 455 | if ( g_streams[id]->output != NULL ) { |
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| 456 | *buffer = g_streams[id]->output; |
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| 457 | return 0; |
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| 458 | } |
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| 459 | |
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| 460 | if ( (g_streams[id]->output = malloc(size)) == NULL ) { |
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| 461 | ROAR_ERR("streams_get_outputbuffer(*): Can not alloc: %s", strerror(errno)); |
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| 462 | return -1; |
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| 463 | } |
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| 464 | |
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| 465 | *buffer = g_streams[id]->output; |
---|
| 466 | |
---|
| 467 | return 0; |
---|
| 468 | } |
---|
| 469 | |
---|
| 470 | int streams_fill_mixbuffer (int id, struct roar_audio_info * info) { |
---|
| 471 | // TODO: decide: is this the most complex, hacked, un-understadable, |
---|
| 472 | // un-writeable and even worse: un-readable |
---|
| 473 | // function in the whole project? |
---|
| 474 | size_t todo = ROAR_OUTPUT_CALC_OUTBUFSIZE(info); |
---|
[381] | 475 | size_t needed = todo; |
---|
[0] | 476 | size_t todo_in; |
---|
| 477 | size_t len, outlen; |
---|
[491] | 478 | size_t mul = 1, div = 1; |
---|
[0] | 479 | void * rest = NULL; |
---|
| 480 | void * in = NULL; |
---|
| 481 | struct roar_buffer * buf; |
---|
| 482 | struct roar_audio_info * stream_info; |
---|
[495] | 483 | struct roar_stream_server * stream = g_streams[id]; |
---|
[0] | 484 | int is_the_same = 0; |
---|
| 485 | |
---|
| 486 | if ( g_streams[id] == NULL ) |
---|
| 487 | return -1; |
---|
| 488 | |
---|
| 489 | if ( streams_get_outputbuffer(id, &rest, todo) == -1 ) { |
---|
| 490 | return -1; |
---|
| 491 | } |
---|
| 492 | |
---|
| 493 | if ( rest == NULL ) { |
---|
| 494 | return -1; |
---|
| 495 | } |
---|
| 496 | |
---|
| 497 | // set up stream_info |
---|
| 498 | |
---|
[495] | 499 | stream_info = &(ROAR_STREAM(stream)->info); |
---|
[0] | 500 | |
---|
| 501 | // calc todo_in |
---|
[491] | 502 | todo_in = ROAR_OUTPUT_CALC_OUTBUFSIZE(stream_info); |
---|
| 503 | |
---|
| 504 | // calc mul and div: |
---|
| 505 | mul = todo / todo_in; |
---|
| 506 | div = todo_in / todo; |
---|
| 507 | |
---|
| 508 | if ( mul == 0 ) { |
---|
| 509 | mul = 1; |
---|
| 510 | } else { |
---|
| 511 | div = 1; |
---|
| 512 | } |
---|
| 513 | |
---|
| 514 | ROAR_DBG("streams_fill_mixbuffer(*): mul=%i, div=%i", mul, div); |
---|
[0] | 515 | |
---|
| 516 | ROAR_DBG("streams_fill_mixbuffer(*): rest=%p, todo=%i->%i (in->out)", rest, todo_in, todo); |
---|
| 517 | // are both (input and output) of same format? |
---|
| 518 | |
---|
| 519 | |
---|
| 520 | ROAR_DBG("streams_fill_mixbuffer(*): stream_info:"); |
---|
| 521 | roar_debug_audio_info_print(stream_info); |
---|
| 522 | ROAR_DBG("streams_fill_mixbuffer(*): info:"); |
---|
| 523 | roar_debug_audio_info_print(info); |
---|
| 524 | |
---|
| 525 | is_the_same = stream_info->rate == info->rate && stream_info->bits == info->bits && |
---|
| 526 | stream_info->channels == info->channels && stream_info->codec == info->codec; |
---|
| 527 | |
---|
| 528 | ROAR_DBG("streams_fill_mixbuffer(*): is_the_same=%i", is_the_same); |
---|
| 529 | |
---|
| 530 | /* How it works: |
---|
| 531 | * |
---|
| 532 | * set a counter to the number of samples we need. |
---|
| 533 | * loop until we have all samples done or no samples are |
---|
| 534 | * left in our input buffer. |
---|
| 535 | * If there a no samples left in the input buffer: fill the rest |
---|
| 536 | * of the output buffer with zeros. |
---|
| 537 | * |
---|
| 538 | * The loop: |
---|
| 539 | * get a buffer from the input. |
---|
| 540 | * if it's bigger than needed, set an offset. |
---|
| 541 | * The rest of the data: |
---|
| 542 | * 0) convert endianness (codec) from remote to local... |
---|
| 543 | * 1) change bits in of the samples |
---|
| 544 | * 2) change sample rate |
---|
| 545 | * 3) change the nummber of channels |
---|
| 546 | * 4) insert into output buffer |
---|
| 547 | */ |
---|
| 548 | |
---|
| 549 | /* |
---|
| 550 | // get our first buffer: |
---|
| 551 | |
---|
| 552 | if ( stream_shift_buffer(id, &buf) == -1 ) { |
---|
| 553 | return -1; |
---|
| 554 | } |
---|
| 555 | |
---|
| 556 | // first test for some basic simple cases... |
---|
| 557 | |
---|
| 558 | if ( buf == NULL ) { // we habe nothing in input queue |
---|
| 559 | // we may memset() our output buffer OR |
---|
| 560 | // just return with -1 so we are going to |
---|
| 561 | // be ignored. |
---|
| 562 | return -1; |
---|
| 563 | } |
---|
| 564 | */ |
---|
| 565 | |
---|
| 566 | while (todo) { // main loop |
---|
| 567 | ROAR_DBG("streams_fill_mixbuffer(*): looping..."); |
---|
| 568 | // exit loop if nothing is left, even if we need more data.. |
---|
| 569 | if ( stream_shift_buffer(id, &buf) == -1 ) |
---|
| 570 | break; |
---|
| 571 | if ( buf == NULL ) |
---|
| 572 | break; |
---|
| 573 | |
---|
| 574 | // read the data for this loop... |
---|
| 575 | roar_buffer_get_data(buf, &in); |
---|
| 576 | roar_buffer_get_len(buf, &len); |
---|
| 577 | |
---|
| 578 | ROAR_DBG("streams_fill_mixbuffer(*): len = %i", len); |
---|
| 579 | |
---|
| 580 | if ( len > todo_in ) { |
---|
| 581 | roar_buffer_set_offset(buf, todo_in); |
---|
| 582 | len = todo_in; |
---|
| 583 | } else { |
---|
| 584 | roar_buffer_set_len(buf, 0); // queue for deletation |
---|
| 585 | } |
---|
| 586 | |
---|
| 587 | // we now have 'len' bytes in 'in' |
---|
| 588 | |
---|
| 589 | // calc how much outlen this has... |
---|
[491] | 590 | outlen = (len * mul) / div; |
---|
[0] | 591 | |
---|
| 592 | ROAR_DBG("streams_fill_mixbuffer(*): outlen = %i, buf = %p, len = %i", outlen, in, len); |
---|
| 593 | |
---|
| 594 | if ( is_the_same ) { |
---|
| 595 | /* |
---|
| 596 | * 0) convert endianness (codec) from remote to local... |
---|
| 597 | * 1) change bits in of the samples |
---|
| 598 | * 2) change sample rate |
---|
| 599 | * 3) change the nummber of channels |
---|
| 600 | \\==> skiping,... |
---|
| 601 | */ |
---|
| 602 | // * 4) insert into output buffer |
---|
| 603 | ROAR_DBG("streams_fill_mixbuffer(*): memcpy: in->rest: %p -> %p", in, rest); |
---|
| 604 | if ( memcpy(rest, in, len) != rest ) { |
---|
| 605 | ROAR_ERR("streams_fill_mixbuffer(*): memcpy returned invalid pointer."); |
---|
| 606 | } |
---|
| 607 | |
---|
| 608 | } else { |
---|
| 609 | |
---|
| 610 | /* |
---|
| 611 | // * 0) convert endianness (codec) from remote to local... |
---|
| 612 | if ( stream_info->codec != info->codec ) { |
---|
| 613 | // we neet to convert... |
---|
| 614 | return -1; |
---|
| 615 | } |
---|
| 616 | |
---|
| 617 | // * 1) change bits in of the samples |
---|
| 618 | if ( stream_info->bits != info->bits ) { |
---|
| 619 | return -1; |
---|
| 620 | } |
---|
| 621 | |
---|
| 622 | // * 2) change sample rate |
---|
| 623 | if ( stream_info->rate != info->rate ) { |
---|
| 624 | return -1; |
---|
| 625 | } |
---|
| 626 | |
---|
| 627 | // * 3) change the nummber of channels |
---|
| 628 | if ( stream_info->channels != info->channels ) { |
---|
| 629 | return -1; |
---|
| 630 | } |
---|
| 631 | |
---|
| 632 | // * 4) insert into output buffer |
---|
| 633 | */ |
---|
| 634 | // hey! we have roar_conv() :) |
---|
| 635 | |
---|
[491] | 636 | if ( roar_conv(rest, in, 8*len / stream_info->bits, stream_info, info) == -1 ) |
---|
| 637 | return -1; |
---|
| 638 | } |
---|
[0] | 639 | |
---|
[1590] | 640 | if ( !streams_get_flag(id, ROAR_FLAG_HWMIXER) ) { |
---|
| 641 | if ( change_vol(rest, info->bits, rest, 8*outlen / info->bits, info->channels, &(stream->mixer)) == -1 ) |
---|
| 642 | return -1; |
---|
| 643 | } |
---|
[17] | 644 | |
---|
[0] | 645 | // we habe outlen bytes more... |
---|
[491] | 646 | todo -= outlen; |
---|
| 647 | rest += outlen; |
---|
| 648 | todo_in -= len; |
---|
[0] | 649 | |
---|
[491] | 650 | roar_buffer_get_len(buf, &len); |
---|
| 651 | ROAR_DBG("streams_fill_mixbuffer(*): New length of buffer %p is %i", buf, len); |
---|
| 652 | if ( len == 0 ) { |
---|
| 653 | roar_buffer_delete(buf, NULL); |
---|
| 654 | } else { |
---|
| 655 | stream_unshift_buffer(id, buf); |
---|
[271] | 656 | } |
---|
[0] | 657 | } |
---|
| 658 | |
---|
[271] | 659 | //len = 0; |
---|
| 660 | //roar_buffer_get_len(buf, &len); |
---|
[0] | 661 | |
---|
| 662 | /* |
---|
| 663 | if ( len > 0 ) // we still have some data in this buffer, re-inserting it to the input buffers... |
---|
| 664 | stream_unshift_buffer(id, buf); |
---|
| 665 | else |
---|
| 666 | buffer_delete(buf, NULL); |
---|
| 667 | */ |
---|
| 668 | |
---|
[609] | 669 | ROAR_STREAM(g_streams[id])->pos = |
---|
| 670 | ROAR_MATH_OVERFLOW_ADD(ROAR_STREAM(g_streams[id])->pos, |
---|
[381] | 671 | ROAR_OUTPUT_CALC_OUTBUFSAMP(info, needed-todo)); |
---|
| 672 | //ROAR_WARN("stream=%i, pos=%u", id, ((struct roar_stream*)g_streams[id])->pos); |
---|
| 673 | |
---|
[495] | 674 | if ( todo > 0 ) { // zeroize the rest of the buffer |
---|
[0] | 675 | memset(rest, 0, todo); |
---|
[125] | 676 | |
---|
| 677 | if ( todo != ROAR_OUTPUT_CALC_OUTBUFSIZE(info) ) { |
---|
[495] | 678 | if ( g_streams[id]->is_new ) { |
---|
| 679 | stream->pre_underruns++; |
---|
| 680 | } else { |
---|
[701] | 681 | ROAR_WARN("streams_fill_mixbuffer(*): Underrun in stream: %u bytes missing, filling with zeros", (unsigned int)todo); |
---|
[495] | 682 | stream->post_underruns++; |
---|
| 683 | } |
---|
[125] | 684 | |
---|
[495] | 685 | stream->is_new = 0; |
---|
[125] | 686 | } |
---|
| 687 | } else { |
---|
[495] | 688 | stream->is_new = 0; |
---|
[0] | 689 | } |
---|
| 690 | |
---|
| 691 | return 0; |
---|
| 692 | } |
---|
| 693 | |
---|
[491] | 694 | |
---|
[0] | 695 | int streams_get_mixbuffers (void *** bufferlist, struct roar_audio_info * info, unsigned int pos) { |
---|
[84] | 696 | static void * bufs[ROAR_STREAMS_MAX+1]; |
---|
[0] | 697 | int i; |
---|
| 698 | int have = 0; |
---|
| 699 | |
---|
| 700 | for (i = 0; i < ROAR_STREAMS_MAX; i++) { |
---|
| 701 | if ( g_streams[i] != NULL ) { |
---|
[826] | 702 | if ( ROAR_STREAM(g_streams[i])->dir != ROAR_DIR_PLAY && ROAR_STREAM(g_streams[i])->dir != ROAR_DIR_BIDIR ) |
---|
[0] | 703 | continue; |
---|
| 704 | |
---|
| 705 | if ( streams_get_outputbuffer(i, &bufs[have], ROAR_OUTPUT_CALC_OUTBUFSIZE(info)) == -1 ) { |
---|
| 706 | ROAR_ERR("streams_get_mixbuffer(*): Can not alloc output buffer for stream %i, BAD!", i); |
---|
| 707 | ROAR_ERR("streams_get_mixbuffer(*): Ignoring stream for this round."); |
---|
| 708 | continue; |
---|
| 709 | } |
---|
| 710 | if ( streams_fill_mixbuffer(i, info) == -1 ) { |
---|
| 711 | ROAR_ERR("streams_get_mixbuffer(*): Can not fill output buffer for stream %i, this should not happen", i); |
---|
| 712 | continue; |
---|
| 713 | } |
---|
| 714 | |
---|
[139] | 715 | // printf("D: bufs[have=%i] = %p\n", have, bufs[have]); |
---|
| 716 | |
---|
[0] | 717 | ROAR_DBG("streams_get_mixbuffers(*): bufs[have] = %p", bufs[have]); |
---|
| 718 | ROAR_DBG("streams_get_mixbuffers(*): *bufs[have] = 0x%08x...", *(uint32_t*)bufs[have]); |
---|
| 719 | |
---|
| 720 | have++; // we have a new stream! |
---|
| 721 | } |
---|
| 722 | } |
---|
| 723 | |
---|
| 724 | bufs[have] = NULL; |
---|
[139] | 725 | //printf("D: bufs[have=%i] = %p\n", have, bufs[have]); |
---|
[0] | 726 | |
---|
| 727 | ROAR_DBG("streams_get_mixbuffers(*): have = %i", have); |
---|
| 728 | |
---|
| 729 | *bufferlist = bufs; |
---|
[547] | 730 | return have; |
---|
[0] | 731 | } |
---|
| 732 | |
---|
| 733 | |
---|
| 734 | int stream_add_buffer (int id, struct roar_buffer * buf) { |
---|
| 735 | ROAR_DBG("stream_add_buffer(id=%i, buf=%p) = ?", id, buf); |
---|
| 736 | |
---|
| 737 | if ( g_streams[id] == NULL ) |
---|
| 738 | return -1; |
---|
| 739 | |
---|
| 740 | if ( g_streams[id]->buffer == NULL ) { |
---|
| 741 | g_streams[id]->buffer = buf; |
---|
| 742 | ROAR_DBG("stream_add_buffer(id=%i, buf=%p) = 0", id, buf); |
---|
| 743 | return 0; |
---|
| 744 | } |
---|
| 745 | |
---|
| 746 | ROAR_DBG("stream_add_buffer(id=%i, buf=%p) = ?", id, buf); |
---|
| 747 | return roar_buffer_add(g_streams[id]->buffer, buf); |
---|
| 748 | } |
---|
| 749 | |
---|
| 750 | int stream_shift_buffer (int id, struct roar_buffer ** buf) { |
---|
| 751 | struct roar_buffer * next; |
---|
| 752 | |
---|
| 753 | if ( g_streams[id] == NULL ) |
---|
| 754 | return -1; |
---|
| 755 | |
---|
| 756 | if ( g_streams[id]->buffer == NULL ) { |
---|
| 757 | *buf = NULL; |
---|
| 758 | return 0; |
---|
| 759 | } |
---|
| 760 | |
---|
| 761 | roar_buffer_get_next(g_streams[id]->buffer, &next); |
---|
| 762 | |
---|
| 763 | *buf = g_streams[id]->buffer; |
---|
| 764 | g_streams[id]->buffer = next; |
---|
| 765 | |
---|
| 766 | return 0; |
---|
| 767 | } |
---|
| 768 | int stream_unshift_buffer (int id, struct roar_buffer * buf) { |
---|
| 769 | if ( g_streams[id] == NULL ) |
---|
| 770 | return -1; |
---|
| 771 | |
---|
| 772 | if ( g_streams[id]->buffer == NULL ) { |
---|
| 773 | g_streams[id]->buffer = buf; |
---|
| 774 | return 0; |
---|
| 775 | } |
---|
| 776 | |
---|
[271] | 777 | buf->next = NULL; |
---|
| 778 | |
---|
[0] | 779 | roar_buffer_add(buf, g_streams[id]->buffer); |
---|
| 780 | |
---|
| 781 | g_streams[id]->buffer = buf; |
---|
| 782 | |
---|
| 783 | return 0; |
---|
| 784 | } |
---|
| 785 | |
---|
| 786 | int streams_check (int id) { |
---|
| 787 | int fh; |
---|
[508] | 788 | ssize_t req, realreq, done; |
---|
[0] | 789 | struct roar_stream * s; |
---|
| 790 | struct roar_stream_server * ss; |
---|
| 791 | struct roar_buffer * b; |
---|
| 792 | char * buf; |
---|
| 793 | |
---|
| 794 | if ( g_streams[id] == NULL ) |
---|
| 795 | return -1; |
---|
| 796 | |
---|
| 797 | ROAR_DBG("streams_check(id=%i) = ?", id); |
---|
| 798 | |
---|
[609] | 799 | s = ROAR_STREAM(ss = g_streams[id]); |
---|
[0] | 800 | |
---|
| 801 | if ( (fh = s->fh) == -1 ) |
---|
| 802 | return 0; |
---|
| 803 | |
---|
[826] | 804 | if ( s->dir != ROAR_DIR_PLAY && s->dir != ROAR_DIR_BIDIR ) |
---|
[0] | 805 | return 0; |
---|
| 806 | |
---|
[1585] | 807 | if ( streams_get_flag(id, ROAR_FLAG_PAUSE) ) |
---|
| 808 | return 0; |
---|
| 809 | |
---|
[0] | 810 | ROAR_DBG("streams_check(id=%i): fh = %i", id, fh); |
---|
| 811 | |
---|
| 812 | req = ROAR_OUTPUT_BUFFER_SAMPLES * s->info.channels * s->info.bits / 8; // optimal size |
---|
| 813 | req += ss->need_extra; // bytes left we sould get.... |
---|
| 814 | |
---|
| 815 | if ( roar_buffer_new(&b, req) == -1 ) { |
---|
| 816 | ROAR_ERR("streams_check(*): Can not alloc buffer space!"); |
---|
| 817 | ROAR_DBG("streams_check(*) = -1"); |
---|
| 818 | return -1; |
---|
| 819 | } |
---|
| 820 | |
---|
| 821 | roar_buffer_get_data(b, (void **)&buf); |
---|
| 822 | |
---|
| 823 | ROAR_DBG("streams_check(id=%i): buffer is up and ready ;)", id); |
---|
| 824 | |
---|
[270] | 825 | if ( ss->codecfilter == -1 ) { |
---|
[508] | 826 | realreq = req; |
---|
| 827 | /* |
---|
[270] | 828 | req = read(fh, buf, req); |
---|
[508] | 829 | if ( req < realreq ) { // we can do this as the stream is in nonblocking mode! |
---|
| 830 | if ( (realreq = read(fh, buf+req, realreq-req)) > 0 ) |
---|
| 831 | req += realreq; |
---|
| 832 | } |
---|
| 833 | */ |
---|
| 834 | done = 0; |
---|
| 835 | while (req > 0 && done != realreq) { |
---|
[881] | 836 | if ( (req = stream_vio_s_read(ss, buf+done, realreq-done)) > 0 ) |
---|
[508] | 837 | done += req; |
---|
| 838 | } |
---|
| 839 | req = done; |
---|
[270] | 840 | } else { |
---|
| 841 | req = codecfilter_read(ss->codecfilter_inst, ss->codecfilter, buf, req); |
---|
| 842 | } |
---|
| 843 | |
---|
| 844 | if ( req > 0 ) { |
---|
[0] | 845 | ROAR_DBG("streams_check(id=%i): got %i bytes", id, req); |
---|
| 846 | |
---|
| 847 | roar_buffer_set_len(b, req); |
---|
| 848 | |
---|
| 849 | if ( stream_add_buffer(id, b) != -1 ) |
---|
| 850 | return 0; |
---|
| 851 | |
---|
| 852 | ROAR_ERR("streams_check(id=%i): something is wrong, could not add buffer to stream!", id); |
---|
| 853 | roar_buffer_free(b); |
---|
| 854 | } else { |
---|
[272] | 855 | ROAR_DBG("streams_check(id=%i): read() = %i // errno: %s", id, req, strerror(errno)); |
---|
| 856 | #ifdef ROAR_HAVE_LIBVORBISFILE |
---|
| 857 | if ( errno != EAGAIN && errno != ESPIPE ) { // libvorbis file trys to seek a bit ofen :) |
---|
| 858 | #else |
---|
| 859 | if ( errno != EAGAIN ) { |
---|
| 860 | #endif |
---|
| 861 | ROAR_DBG("streams_check(id=%i): EOF!", id); |
---|
| 862 | streams_delete(id); |
---|
| 863 | ROAR_DBG("streams_check(id=%i) = 0", id); |
---|
| 864 | } |
---|
[334] | 865 | roar_buffer_free(b); |
---|
[0] | 866 | return 0; |
---|
| 867 | } |
---|
| 868 | |
---|
| 869 | |
---|
| 870 | ROAR_DBG("streams_check(id=%i) = -1", id); |
---|
| 871 | return -1; |
---|
| 872 | } |
---|
| 873 | |
---|
| 874 | |
---|
| 875 | int streams_send_mon (int id) { |
---|
[936] | 876 | // int fh; |
---|
[0] | 877 | struct roar_stream * s; |
---|
| 878 | struct roar_stream_server * ss; |
---|
[1157] | 879 | void * obuf; |
---|
| 880 | int olen; |
---|
| 881 | int need_to_free = 0; |
---|
| 882 | ssize_t ret; |
---|
[0] | 883 | |
---|
| 884 | if ( g_streams[id] == NULL ) |
---|
| 885 | return -1; |
---|
| 886 | |
---|
| 887 | ROAR_DBG("streams_send_mon(id=%i) = ?", id); |
---|
| 888 | |
---|
[585] | 889 | s = ROAR_STREAM((ss = g_streams[id])); |
---|
[0] | 890 | |
---|
[934] | 891 | /* |
---|
[0] | 892 | if ( (fh = s->fh) == -1 ) |
---|
| 893 | return 0; |
---|
[934] | 894 | */ |
---|
[0] | 895 | |
---|
[826] | 896 | if ( s->dir != ROAR_DIR_MONITOR && s->dir != ROAR_DIR_OUTPUT && s->dir != ROAR_DIR_BIDIR ) |
---|
[0] | 897 | return 0; |
---|
| 898 | |
---|
[930] | 899 | if ( s->dir == ROAR_DIR_OUTPUT && g_standby ) |
---|
| 900 | return 0; |
---|
| 901 | |
---|
[1585] | 902 | if ( streams_get_flag(id, ROAR_FLAG_PAUSE) ) |
---|
| 903 | return 0; |
---|
| 904 | |
---|
[1042] | 905 | ROAR_DBG("streams_send_mon(id=%i): fh = %i", id, s->fh); |
---|
[0] | 906 | |
---|
[625] | 907 | if ( s->info.channels != g_sa->channels || s->info.bits != g_sa->bits || |
---|
| 908 | s->info.rate != g_sa->rate || s->info.codec != g_sa->codec ) { |
---|
| 909 | olen = ROAR_OUTPUT_CALC_OUTBUFSIZE(&(s->info)); // we hope g_output_buffer_len |
---|
| 910 | // is ROAR_OUTPUT_CALC_OUTBUFSIZE(g_sa) here |
---|
| 911 | if ( (obuf = malloc(olen)) == NULL ) |
---|
| 912 | return -1; |
---|
| 913 | |
---|
| 914 | need_to_free = 1; |
---|
| 915 | |
---|
| 916 | ROAR_DBG("streams_send_mon(id=%i): obuf=%p, olen=%i", id, obuf, olen); |
---|
| 917 | |
---|
| 918 | if ( roar_conv(obuf, g_output_buffer, ROAR_OUTPUT_BUFFER_SAMPLES*g_sa->channels, g_sa, &(s->info)) == -1 ) { |
---|
| 919 | free(obuf); |
---|
| 920 | return -1; |
---|
| 921 | } |
---|
| 922 | } else { |
---|
| 923 | obuf = g_output_buffer; |
---|
| 924 | olen = g_output_buffer_len; |
---|
| 925 | } |
---|
| 926 | |
---|
[585] | 927 | errno = 0; |
---|
| 928 | |
---|
| 929 | if ( ss->codecfilter == -1 ) { |
---|
[1042] | 930 | ROAR_DBG("streams_send_mon(id=%i): not a CF stream", id); |
---|
| 931 | if ( s->fh == -1 && roar_vio_get_fh(&(ss->vio)) == -1 ) |
---|
[1014] | 932 | return 0; |
---|
| 933 | |
---|
[1157] | 934 | if ( (ret = stream_vio_s_write(ss, obuf, olen)) == olen ) { |
---|
[625] | 935 | if ( need_to_free ) free(obuf); |
---|
[981] | 936 | s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, ROAR_OUTPUT_CALC_OUTBUFSAMP(&(s->info), olen)*s->info.channels); |
---|
[585] | 937 | return 0; |
---|
[625] | 938 | } |
---|
[1157] | 939 | |
---|
| 940 | if ( ret > 0 && errno == 0 ) { |
---|
[1231] | 941 | ROAR_WARN("streams_send_mon(id=%i): Overrun in stream: wrote %i of %i bytes, %i bytes missing", id, (int)ret, olen, olen-(int)ret); |
---|
[1157] | 942 | if ( need_to_free ) free(obuf); |
---|
| 943 | s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, ROAR_OUTPUT_CALC_OUTBUFSAMP(&(s->info), ret)*s->info.channels); |
---|
| 944 | return 0; |
---|
| 945 | } |
---|
[585] | 946 | } else { |
---|
[1012] | 947 | errno = 0; |
---|
[625] | 948 | if ( codecfilter_write(ss->codecfilter_inst, ss->codecfilter, obuf, olen) |
---|
| 949 | == olen ) { |
---|
| 950 | if ( need_to_free ) free(obuf); |
---|
[981] | 951 | s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, ROAR_OUTPUT_CALC_OUTBUFSAMP(&(s->info), olen)*s->info.channels); |
---|
[585] | 952 | return 0; |
---|
| 953 | } else { // we cann't retry on codec filetered streams |
---|
[1012] | 954 | if ( errno != EAGAIN ) { |
---|
| 955 | if ( need_to_free ) free(obuf); |
---|
| 956 | streams_delete(id); |
---|
| 957 | return -1; |
---|
| 958 | } |
---|
[585] | 959 | } |
---|
| 960 | } |
---|
[0] | 961 | |
---|
[129] | 962 | if ( errno == EAGAIN ) { |
---|
| 963 | // ok, the client blocks for a moment, we try to sleep a bit an retry in the hope not to |
---|
| 964 | // make any gapes in any output because of this |
---|
| 965 | |
---|
| 966 | usleep(100); // 0.1ms |
---|
| 967 | |
---|
[881] | 968 | if ( stream_vio_s_write(ss, obuf, olen) == olen ) { |
---|
[625] | 969 | if ( need_to_free ) free(obuf); |
---|
[981] | 970 | s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, ROAR_OUTPUT_CALC_OUTBUFSAMP(&(s->info), olen)*s->info.channels); |
---|
[129] | 971 | return 0; |
---|
[1015] | 972 | } else if ( errno == EAGAIN ) { |
---|
| 973 | ROAR_WARN("streams_send_mon(id=%i): Can not send data to client: %s", id, strerror(errno)); |
---|
| 974 | return 0; |
---|
[625] | 975 | } |
---|
[129] | 976 | } |
---|
| 977 | |
---|
[0] | 978 | // ug... error... delete stream! |
---|
| 979 | |
---|
[625] | 980 | if ( need_to_free ) free(obuf); |
---|
[0] | 981 | streams_delete(id); |
---|
| 982 | |
---|
| 983 | return -1; |
---|
| 984 | } |
---|
| 985 | |
---|
| 986 | int streams_send_filter(int id) { |
---|
| 987 | int fh; |
---|
[127] | 988 | int have = 0; |
---|
| 989 | int len; |
---|
[0] | 990 | struct roar_stream * s; |
---|
| 991 | struct roar_stream_server * ss; |
---|
| 992 | |
---|
| 993 | if ( g_streams[id] == NULL ) |
---|
| 994 | return -1; |
---|
| 995 | |
---|
| 996 | ROAR_DBG("streams_send_filter(id=%i) = ?", id); |
---|
| 997 | |
---|
[609] | 998 | s = ROAR_STREAM(ss = g_streams[id]); |
---|
[0] | 999 | |
---|
| 1000 | if ( (fh = s->fh) == -1 ) |
---|
| 1001 | return 0; |
---|
| 1002 | |
---|
| 1003 | if ( s->dir != ROAR_DIR_FILTER ) |
---|
| 1004 | return 0; |
---|
| 1005 | |
---|
[1585] | 1006 | if ( streams_get_flag(id, ROAR_FLAG_PAUSE) ) |
---|
| 1007 | return 0; |
---|
| 1008 | |
---|
| 1009 | |
---|
[0] | 1010 | ROAR_DBG("streams_send_filter(id=%i): fh = %i", id, fh); |
---|
| 1011 | |
---|
[881] | 1012 | if ( stream_vio_s_write(ss, g_output_buffer, g_output_buffer_len) == g_output_buffer_len ) { |
---|
[127] | 1013 | while ( have < g_output_buffer_len ) { |
---|
[881] | 1014 | if ( (len = stream_vio_s_read(ss, g_output_buffer+have, g_output_buffer_len-have)) < 1 ) { |
---|
[127] | 1015 | streams_delete(id); |
---|
| 1016 | return -1; |
---|
| 1017 | } |
---|
| 1018 | have += len; |
---|
[0] | 1019 | } |
---|
[127] | 1020 | return 0; |
---|
[0] | 1021 | } |
---|
| 1022 | |
---|
| 1023 | // ug... error... delete stream! |
---|
| 1024 | |
---|
| 1025 | streams_delete(id); |
---|
| 1026 | |
---|
| 1027 | return -1; |
---|
| 1028 | } |
---|
| 1029 | |
---|
[596] | 1030 | |
---|
| 1031 | // VIO: |
---|
| 1032 | |
---|
| 1033 | ssize_t stream_vio_read (int stream, void *buf, size_t count) { |
---|
| 1034 | struct roar_stream_server * s = g_streams[stream]; |
---|
| 1035 | |
---|
| 1036 | if ( !s ) |
---|
| 1037 | return -1; |
---|
| 1038 | |
---|
| 1039 | return stream_vio_s_read(s, buf, count); |
---|
| 1040 | } |
---|
| 1041 | |
---|
| 1042 | ssize_t stream_vio_write(int stream, void *buf, size_t count) { |
---|
| 1043 | struct roar_stream_server * s = g_streams[stream]; |
---|
| 1044 | |
---|
| 1045 | if ( !s ) |
---|
| 1046 | return -1; |
---|
| 1047 | |
---|
| 1048 | return stream_vio_s_write(s, buf, count); |
---|
| 1049 | } |
---|
| 1050 | |
---|
| 1051 | |
---|
| 1052 | ssize_t stream_vio_s_read (struct roar_stream_server * stream, void *buf, size_t count) { |
---|
[741] | 1053 | size_t len = 0; |
---|
| 1054 | ssize_t r = -1; |
---|
[739] | 1055 | |
---|
[596] | 1056 | errno = 0; |
---|
| 1057 | |
---|
| 1058 | if ( !stream ) |
---|
| 1059 | return -1; |
---|
| 1060 | |
---|
[881] | 1061 | roar_vio_set_fh(&(stream->vio), ROAR_STREAM(stream)->fh); |
---|
| 1062 | |
---|
[596] | 1063 | if ( ! stream->vio.read ) |
---|
| 1064 | return -1; |
---|
| 1065 | |
---|
[881] | 1066 | while ( (r = roar_vio_read(&(stream->vio), buf, count)) > 0 ) { |
---|
[739] | 1067 | len += r; |
---|
| 1068 | buf += r; |
---|
| 1069 | count -= r; |
---|
| 1070 | if ( count == 0 ) |
---|
| 1071 | break; |
---|
| 1072 | } |
---|
| 1073 | |
---|
[740] | 1074 | if ( len == 0 && r == -1 ) |
---|
| 1075 | return -1; |
---|
| 1076 | |
---|
[739] | 1077 | return len; |
---|
[596] | 1078 | } |
---|
| 1079 | |
---|
| 1080 | ssize_t stream_vio_s_write(struct roar_stream_server * stream, void *buf, size_t count) { |
---|
| 1081 | errno = 0; |
---|
| 1082 | |
---|
| 1083 | if ( !stream ) |
---|
| 1084 | return -1; |
---|
| 1085 | |
---|
[934] | 1086 | if ( roar_vio_get_fh(&(stream->vio)) == -1 && ROAR_STREAM(stream)->fh != -1 ) |
---|
| 1087 | roar_vio_set_fh(&(stream->vio), ROAR_STREAM(stream)->fh); |
---|
| 1088 | |
---|
| 1089 | // ROAR_WARN("stream_vio_s_write(*): writing..."); |
---|
[596] | 1090 | |
---|
[881] | 1091 | return roar_vio_write(&(stream->vio), buf, count); |
---|
[596] | 1092 | } |
---|
| 1093 | |
---|
[0] | 1094 | //ll |
---|