[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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[1609] | 209 | int streams_set_dir (int id, int dir, int defaults) { |
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| 210 | struct roar_stream_server * ss; |
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| 211 | |
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| 212 | if ( (ss = g_streams[id]) == NULL ) |
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| 213 | return -1; |
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| 214 | |
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| 215 | ROAR_STREAM(ss)->dir = dir; |
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| 216 | |
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| 217 | if ( defaults ) { |
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| 218 | if ( dir <= 0 || dir >= ROAR_DIR_DIRIDS ) |
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| 219 | return -1; |
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| 220 | |
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| 221 | if ( streams_set_flag(id, g_config->streams[dir].flags) == -1 ) |
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| 222 | return -1; |
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| 223 | |
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| 224 | ss->mixer.scale = g_config->streams[dir].mixer.scale; |
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| 225 | ss->mixer.rpg_mul = g_config->streams[dir].mixer.rpg_mul; |
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| 226 | ss->mixer.rpg_div = g_config->streams[dir].mixer.rpg_div; |
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| 227 | } |
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| 228 | |
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| 229 | return 0; |
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| 230 | } |
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[766] | 231 | |
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[0] | 232 | int streams_set_fh (int id, int fh) { |
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[1243] | 233 | struct roar_stream_server * ss; |
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[51] | 234 | int dir; |
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| 235 | |
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[1243] | 236 | if ( (ss = g_streams[id]) == NULL ) |
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[0] | 237 | return -1; |
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| 238 | |
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[1243] | 239 | ROAR_DBG("streams_set_fh(id=%i): g_streams[id]->id=%i", id, ROAR_STREAM(ss)->id); |
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[491] | 240 | |
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[609] | 241 | ROAR_STREAM(g_streams[id])->fh = fh; |
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[0] | 242 | |
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[1243] | 243 | ROAR_DBG("streams_set_fh(id=%i, fh=%i): driverID=%i", id, fh, ss->driver_id); |
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| 244 | |
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[1610] | 245 | if ( ss->driver_id == -1 && fh != -2 ) |
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[1243] | 246 | roar_vio_set_fh(&(ss->vio), fh); |
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| 247 | |
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| 248 | if ( codecfilter_open(&(ss->codecfilter_inst), &(ss->codecfilter), NULL, |
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| 249 | ROAR_STREAM(ss)->info.codec, ss) == -1 ) { |
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[571] | 250 | return streams_delete(id); |
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| 251 | } |
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[268] | 252 | |
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[1610] | 253 | if ( fh == -2 ) { |
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| 254 | ROAR_DBG("streams_set_fh(id=%i, fh=%i) = ?", id, fh); |
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| 255 | if ( roar_vio_ctl(&(ss->vio), ROAR_VIO_CTL_GET_READ_FH, &fh) == -1 ) { |
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| 256 | fh = -2; |
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| 257 | } else { |
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| 258 | ROAR_DBG("streams_set_fh(id=%i, fh=%i) = ?", id, fh); |
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| 259 | if ( fh < 0 ) { |
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| 260 | fh = -2; |
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| 261 | } else { |
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| 262 | ROAR_STREAM(g_streams[id])->fh = fh; |
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| 263 | } |
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| 264 | } |
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| 265 | } |
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| 266 | |
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| 267 | if ( fh == -1 || fh == -2 ) { // yes, this is valid, indecats full vio! |
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[634] | 268 | return 0; |
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| 269 | } |
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| 270 | |
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[971] | 271 | // roar_socket_recvbuf(fh, ROAR_OUTPUT_CALC_OUTBUFSIZE( &(ROAR_STREAM(g_streams[id])->info) )); // set recv buffer to minimum |
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[968] | 272 | |
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[1243] | 273 | dir = ROAR_STREAM(ss)->dir; |
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[51] | 274 | |
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[634] | 275 | if ( dir == ROAR_DIR_MONITOR || dir == ROAR_DIR_RECORD || dir == ROAR_DIR_OUTPUT ) { |
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[1498] | 276 | ROAR_SHUTDOWN(fh, SHUT_RD); |
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[51] | 277 | } |
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| 278 | |
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| 279 | if ( dir == ROAR_DIR_FILTER ) { |
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[0] | 280 | return 0; |
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| 281 | } else { |
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| 282 | return roar_socket_nonblock(fh, ROAR_SOCKET_NONBLOCK); |
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| 283 | } |
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| 284 | } |
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| 285 | |
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[66] | 286 | int streams_get_fh (int id) { |
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[84] | 287 | if ( id < 0 ) |
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| 288 | return -1; |
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| 289 | |
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[66] | 290 | if ( g_streams[id] == NULL ) |
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| 291 | return -1; |
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| 292 | |
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[609] | 293 | return ROAR_STREAM(g_streams[id])->fh; |
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[66] | 294 | } |
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[0] | 295 | |
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| 296 | int streams_get (int id, struct roar_stream_server ** stream) { |
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| 297 | if ( g_streams[id] == NULL ) |
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| 298 | return -1; |
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| 299 | |
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| 300 | *stream = g_streams[id]; |
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| 301 | |
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| 302 | return 0; |
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| 303 | } |
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| 304 | |
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[377] | 305 | int streams_set_socktype (int id, int socktype) { |
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| 306 | if ( g_streams[id] == NULL ) |
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| 307 | return -1; |
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| 308 | |
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| 309 | g_streams[id]->socktype = socktype; |
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| 310 | |
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| 311 | return 0; |
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| 312 | } |
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| 313 | |
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| 314 | int streams_get_socktype (int id) { |
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| 315 | if ( g_streams[id] == NULL ) |
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| 316 | return -1; |
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| 317 | |
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| 318 | return g_streams[id]->socktype; |
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| 319 | } |
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[0] | 320 | |
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[643] | 321 | int streams_set_primary (int id, int prim) { |
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| 322 | if ( g_streams[id] == NULL ) |
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| 323 | return -1; |
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| 324 | |
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| 325 | g_streams[id]->primary = prim; |
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| 326 | |
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| 327 | return 0; |
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| 328 | } |
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| 329 | |
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| 330 | int streams_mark_primary (int id) { |
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| 331 | return streams_set_primary(id, 1); |
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| 332 | } |
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[1029] | 333 | |
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[1116] | 334 | int streams_set_sync (int id, int sync) { |
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[1117] | 335 | int fh = streams_get_fh(id); |
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[1116] | 336 | |
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[1117] | 337 | if ( fh != -1 ) { |
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| 338 | if ( roar_socket_nonblock(fh, sync ? ROAR_SOCKET_BLOCK : ROAR_SOCKET_NONBLOCK) == -1 ) |
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| 339 | return -1; |
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[1116] | 340 | |
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[1498] | 341 | #ifdef ROAR_FDATASYNC |
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[1171] | 342 | ROAR_FDATASYNC(fh); |
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[1498] | 343 | #endif |
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[1125] | 344 | |
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| 345 | return 0; |
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[1117] | 346 | } else { |
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| 347 | return roar_vio_nonblock(&(g_streams[id]->vio), sync); |
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| 348 | } |
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[1116] | 349 | } |
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| 350 | |
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[1029] | 351 | int streams_set_flag (int id, int flag) { |
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| 352 | if ( g_streams[id] == NULL ) |
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| 353 | return -1; |
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| 354 | |
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[1043] | 355 | if ( flag & ROAR_FLAG_PRIMARY ) { |
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| 356 | streams_set_primary(id, 1); |
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| 357 | flag -= ROAR_FLAG_PRIMARY; |
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| 358 | } |
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| 359 | |
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[1116] | 360 | if ( flag & ROAR_FLAG_SYNC ) { |
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[1125] | 361 | if ( streams_set_sync(id, 1) == -1 ) |
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| 362 | flag -= ROAR_FLAG_SYNC; |
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[1116] | 363 | } |
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| 364 | |
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[1585] | 365 | if ( flag & ROAR_FLAG_HWMIXER ) { // currently not supported -> ignored |
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[1590] | 366 | g_streams[id]->flags |= flag; |
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| 367 | if ( streams_set_mixer(id) == -1 ) { |
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| 368 | g_streams[id]->flags -= flag; |
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| 369 | return -1; |
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| 370 | } |
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[1585] | 371 | } |
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| 372 | |
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[1029] | 373 | g_streams[id]->flags |= flag; |
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| 374 | |
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[1498] | 375 | #ifdef ROAR_SUPPORT_META |
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[1043] | 376 | if ( flag & ROAR_FLAG_META ) |
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| 377 | stream_meta_finalize(id); |
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[1498] | 378 | #endif |
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[1043] | 379 | |
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[1029] | 380 | return 0; |
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| 381 | } |
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| 382 | |
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| 383 | int streams_reset_flag (int id, int flag) { |
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| 384 | if ( g_streams[id] == NULL ) |
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| 385 | return -1; |
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| 386 | |
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[1043] | 387 | if ( flag & ROAR_FLAG_PRIMARY ) { |
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| 388 | streams_set_primary(id, 0); |
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| 389 | flag -= ROAR_FLAG_PRIMARY; |
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| 390 | } |
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| 391 | |
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[1116] | 392 | if ( flag & ROAR_FLAG_SYNC ) { |
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| 393 | streams_set_sync(id, 0); |
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| 394 | } |
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| 395 | |
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[1029] | 396 | g_streams[id]->flags |= flag; |
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| 397 | g_streams[id]->flags -= flag; |
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| 398 | |
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| 399 | return 0; |
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| 400 | } |
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| 401 | |
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[1042] | 402 | int streams_get_flag (int id, int flag) { |
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| 403 | if ( g_streams[id] == NULL ) |
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| 404 | return -1; |
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| 405 | |
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| 406 | return g_streams[id]->flags & flag ? 1 : 0; |
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| 407 | } |
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| 408 | |
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[1223] | 409 | int streams_calc_delay (int id) { |
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[1142] | 410 | struct roar_stream_server * ss; |
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[1151] | 411 | struct roar_stream * s; |
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[1142] | 412 | register uint_least32_t d = 0; |
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| 413 | uint_least32_t t[1]; |
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[1151] | 414 | uint64_t tmp; |
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[1142] | 415 | |
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[1151] | 416 | if ( (s = ROAR_STREAM(ss = g_streams[id])) == NULL ) |
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[1142] | 417 | return -1; |
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| 418 | |
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| 419 | if ( ss->codecfilter != -1 ) { |
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| 420 | if ( codecfilter_delay(ss->codecfilter_inst, ss->codecfilter, t) != -1 ) |
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| 421 | d += *t; |
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| 422 | } |
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| 423 | |
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[1151] | 424 | if ( ss->vio.ctl != NULL ) { |
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| 425 | if ( roar_vio_ctl(&(ss->vio), ROAR_VIO_CTL_GET_DELAY, t) != -1 ) { // *t is in byte |
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[1223] | 426 | ROAR_DBG("streams_calc_delay(id=%i): VIO delay in byte: %i", id, *t); |
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[1151] | 427 | tmp = *t; |
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| 428 | tmp *= 1000000; // musec per sec |
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| 429 | tmp /= s->info.rate * s->info.channels * (s->info.bits/8); |
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[1223] | 430 | ROAR_DBG("streams_calc_delay(id=%i): VIO delay in musec: %i", id, tmp); |
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[1151] | 431 | |
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| 432 | d += tmp; |
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| 433 | } |
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| 434 | } |
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| 435 | |
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[1223] | 436 | ROAR_DBG("streams_calc_delay(id=%i): delay in musec: %i", id, d); |
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[1151] | 437 | |
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[1142] | 438 | ss->delay = d; |
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| 439 | |
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| 440 | return 0; |
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| 441 | } |
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| 442 | |
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[1590] | 443 | int streams_set_mixer (int id) { |
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| 444 | struct roar_stream_server * ss; |
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| 445 | |
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| 446 | if ( (ss = g_streams[id]) == NULL ) |
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| 447 | return -1; |
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| 448 | |
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| 449 | if ( !streams_get_flag(id, ROAR_FLAG_HWMIXER) ) |
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| 450 | return 0; |
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| 451 | |
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| 452 | if ( ss->driver_id == -1 ) |
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| 453 | return 0; |
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| 454 | |
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| 455 | return driver_set_volume(id, &(ss->mixer)); |
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| 456 | } |
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| 457 | |
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[1224] | 458 | int streams_ctl (int id, int_least32_t cmd, void * data) { |
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| 459 | struct roar_stream_server * ss; |
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| 460 | int_least32_t comp; |
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| 461 | |
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| 462 | if ( (ss = g_streams[id]) == NULL ) |
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| 463 | return -1; |
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| 464 | |
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| 465 | comp = cmd & ROAR_STREAM_CTL_COMPMASK; |
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| 466 | |
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| 467 | cmd &= ~comp; |
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| 468 | |
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[1239] | 469 | ROAR_DBG("streams_ctl(id=%i, cmd=?, data=%p): comp=0x%.8x, cmd=0x%.4x", id, data, comp, cmd); |
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[1238] | 470 | |
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[1224] | 471 | switch (comp) { |
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| 472 | case ROAR_STREAM_CTL_COMP_BASE: |
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| 473 | break; |
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| 474 | case ROAR_STREAM_CTL_COMP_CF: |
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| 475 | return codecfilter_ctl(ss->codecfilter_inst, ss->codecfilter, cmd, data); |
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| 476 | break; |
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| 477 | case ROAR_STREAM_CTL_COMP_DRV: |
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| 478 | break; |
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| 479 | default: |
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| 480 | return -1; |
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| 481 | } |
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| 482 | |
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| 483 | return -1; |
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| 484 | } |
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| 485 | |
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[0] | 486 | int streams_get_outputbuffer (int id, void ** buffer, size_t size) { |
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| 487 | if ( g_streams[id] == NULL ) |
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| 488 | return -1; |
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| 489 | |
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| 490 | // output buffer size does never change. |
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| 491 | if ( g_streams[id]->output != NULL ) { |
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| 492 | *buffer = g_streams[id]->output; |
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| 493 | return 0; |
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| 494 | } |
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| 495 | |
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| 496 | if ( (g_streams[id]->output = malloc(size)) == NULL ) { |
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| 497 | ROAR_ERR("streams_get_outputbuffer(*): Can not alloc: %s", strerror(errno)); |
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| 498 | return -1; |
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| 499 | } |
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| 500 | |
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| 501 | *buffer = g_streams[id]->output; |
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| 502 | |
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| 503 | return 0; |
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| 504 | } |
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| 505 | |
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| 506 | int streams_fill_mixbuffer (int id, struct roar_audio_info * info) { |
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| 507 | // TODO: decide: is this the most complex, hacked, un-understadable, |
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| 508 | // un-writeable and even worse: un-readable |
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| 509 | // function in the whole project? |
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| 510 | size_t todo = ROAR_OUTPUT_CALC_OUTBUFSIZE(info); |
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[381] | 511 | size_t needed = todo; |
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[0] | 512 | size_t todo_in; |
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| 513 | size_t len, outlen; |
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[491] | 514 | size_t mul = 1, div = 1; |
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[0] | 515 | void * rest = NULL; |
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| 516 | void * in = NULL; |
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| 517 | struct roar_buffer * buf; |
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| 518 | struct roar_audio_info * stream_info; |
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[495] | 519 | struct roar_stream_server * stream = g_streams[id]; |
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[0] | 520 | int is_the_same = 0; |
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| 521 | |
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| 522 | if ( g_streams[id] == NULL ) |
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| 523 | return -1; |
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| 524 | |
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| 525 | if ( streams_get_outputbuffer(id, &rest, todo) == -1 ) { |
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| 526 | return -1; |
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| 527 | } |
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| 528 | |
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| 529 | if ( rest == NULL ) { |
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| 530 | return -1; |
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| 531 | } |
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| 532 | |
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| 533 | // set up stream_info |
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| 534 | |
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[495] | 535 | stream_info = &(ROAR_STREAM(stream)->info); |
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[0] | 536 | |
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| 537 | // calc todo_in |
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[491] | 538 | todo_in = ROAR_OUTPUT_CALC_OUTBUFSIZE(stream_info); |
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| 539 | |
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| 540 | // calc mul and div: |
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| 541 | mul = todo / todo_in; |
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| 542 | div = todo_in / todo; |
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| 543 | |
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| 544 | if ( mul == 0 ) { |
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| 545 | mul = 1; |
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| 546 | } else { |
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| 547 | div = 1; |
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| 548 | } |
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| 549 | |
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| 550 | ROAR_DBG("streams_fill_mixbuffer(*): mul=%i, div=%i", mul, div); |
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[0] | 551 | |
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| 552 | ROAR_DBG("streams_fill_mixbuffer(*): rest=%p, todo=%i->%i (in->out)", rest, todo_in, todo); |
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| 553 | // are both (input and output) of same format? |
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| 554 | |
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| 555 | |
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| 556 | ROAR_DBG("streams_fill_mixbuffer(*): stream_info:"); |
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| 557 | roar_debug_audio_info_print(stream_info); |
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| 558 | ROAR_DBG("streams_fill_mixbuffer(*): info:"); |
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| 559 | roar_debug_audio_info_print(info); |
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| 560 | |
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| 561 | is_the_same = stream_info->rate == info->rate && stream_info->bits == info->bits && |
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| 562 | stream_info->channels == info->channels && stream_info->codec == info->codec; |
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| 563 | |
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| 564 | ROAR_DBG("streams_fill_mixbuffer(*): is_the_same=%i", is_the_same); |
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| 565 | |
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| 566 | /* How it works: |
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| 567 | * |
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| 568 | * set a counter to the number of samples we need. |
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| 569 | * loop until we have all samples done or no samples are |
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| 570 | * left in our input buffer. |
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| 571 | * If there a no samples left in the input buffer: fill the rest |
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| 572 | * of the output buffer with zeros. |
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| 573 | * |
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| 574 | * The loop: |
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| 575 | * get a buffer from the input. |
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| 576 | * if it's bigger than needed, set an offset. |
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| 577 | * The rest of the data: |
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| 578 | * 0) convert endianness (codec) from remote to local... |
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| 579 | * 1) change bits in of the samples |
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| 580 | * 2) change sample rate |
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| 581 | * 3) change the nummber of channels |
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| 582 | * 4) insert into output buffer |
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| 583 | */ |
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| 584 | |
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| 585 | /* |
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| 586 | // get our first buffer: |
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| 587 | |
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| 588 | if ( stream_shift_buffer(id, &buf) == -1 ) { |
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| 589 | return -1; |
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| 590 | } |
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| 591 | |
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| 592 | // first test for some basic simple cases... |
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| 593 | |
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| 594 | if ( buf == NULL ) { // we habe nothing in input queue |
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| 595 | // we may memset() our output buffer OR |
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| 596 | // just return with -1 so we are going to |
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| 597 | // be ignored. |
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| 598 | return -1; |
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| 599 | } |
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| 600 | */ |
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| 601 | |
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| 602 | while (todo) { // main loop |
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| 603 | ROAR_DBG("streams_fill_mixbuffer(*): looping..."); |
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| 604 | // exit loop if nothing is left, even if we need more data.. |
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| 605 | if ( stream_shift_buffer(id, &buf) == -1 ) |
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| 606 | break; |
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| 607 | if ( buf == NULL ) |
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| 608 | break; |
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| 609 | |
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| 610 | // read the data for this loop... |
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| 611 | roar_buffer_get_data(buf, &in); |
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| 612 | roar_buffer_get_len(buf, &len); |
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| 613 | |
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| 614 | ROAR_DBG("streams_fill_mixbuffer(*): len = %i", len); |
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| 615 | |
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| 616 | if ( len > todo_in ) { |
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| 617 | roar_buffer_set_offset(buf, todo_in); |
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| 618 | len = todo_in; |
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| 619 | } else { |
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| 620 | roar_buffer_set_len(buf, 0); // queue for deletation |
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| 621 | } |
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| 622 | |
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| 623 | // we now have 'len' bytes in 'in' |
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| 624 | |
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| 625 | // calc how much outlen this has... |
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[491] | 626 | outlen = (len * mul) / div; |
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[0] | 627 | |
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| 628 | ROAR_DBG("streams_fill_mixbuffer(*): outlen = %i, buf = %p, len = %i", outlen, in, len); |
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| 629 | |
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| 630 | if ( is_the_same ) { |
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| 631 | /* |
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| 632 | * 0) convert endianness (codec) from remote to local... |
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| 633 | * 1) change bits in of the samples |
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| 634 | * 2) change sample rate |
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| 635 | * 3) change the nummber of channels |
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| 636 | \\==> skiping,... |
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| 637 | */ |
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| 638 | // * 4) insert into output buffer |
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| 639 | ROAR_DBG("streams_fill_mixbuffer(*): memcpy: in->rest: %p -> %p", in, rest); |
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| 640 | if ( memcpy(rest, in, len) != rest ) { |
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| 641 | ROAR_ERR("streams_fill_mixbuffer(*): memcpy returned invalid pointer."); |
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| 642 | } |
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| 643 | |
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| 644 | } else { |
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| 645 | |
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| 646 | /* |
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| 647 | // * 0) convert endianness (codec) from remote to local... |
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| 648 | if ( stream_info->codec != info->codec ) { |
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| 649 | // we neet to convert... |
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| 650 | return -1; |
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| 651 | } |
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| 652 | |
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| 653 | // * 1) change bits in of the samples |
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| 654 | if ( stream_info->bits != info->bits ) { |
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| 655 | return -1; |
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| 656 | } |
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| 657 | |
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| 658 | // * 2) change sample rate |
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| 659 | if ( stream_info->rate != info->rate ) { |
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| 660 | return -1; |
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| 661 | } |
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| 662 | |
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| 663 | // * 3) change the nummber of channels |
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| 664 | if ( stream_info->channels != info->channels ) { |
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| 665 | return -1; |
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| 666 | } |
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| 667 | |
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| 668 | // * 4) insert into output buffer |
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| 669 | */ |
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| 670 | // hey! we have roar_conv() :) |
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| 671 | |
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[491] | 672 | if ( roar_conv(rest, in, 8*len / stream_info->bits, stream_info, info) == -1 ) |
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| 673 | return -1; |
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| 674 | } |
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[0] | 675 | |
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[1590] | 676 | if ( !streams_get_flag(id, ROAR_FLAG_HWMIXER) ) { |
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| 677 | if ( change_vol(rest, info->bits, rest, 8*outlen / info->bits, info->channels, &(stream->mixer)) == -1 ) |
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| 678 | return -1; |
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| 679 | } |
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[17] | 680 | |
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[0] | 681 | // we habe outlen bytes more... |
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[491] | 682 | todo -= outlen; |
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| 683 | rest += outlen; |
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| 684 | todo_in -= len; |
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[0] | 685 | |
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[491] | 686 | roar_buffer_get_len(buf, &len); |
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| 687 | ROAR_DBG("streams_fill_mixbuffer(*): New length of buffer %p is %i", buf, len); |
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| 688 | if ( len == 0 ) { |
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| 689 | roar_buffer_delete(buf, NULL); |
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| 690 | } else { |
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| 691 | stream_unshift_buffer(id, buf); |
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[271] | 692 | } |
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[0] | 693 | } |
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| 694 | |
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[271] | 695 | //len = 0; |
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| 696 | //roar_buffer_get_len(buf, &len); |
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[0] | 697 | |
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| 698 | /* |
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| 699 | if ( len > 0 ) // we still have some data in this buffer, re-inserting it to the input buffers... |
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| 700 | stream_unshift_buffer(id, buf); |
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| 701 | else |
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| 702 | buffer_delete(buf, NULL); |
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| 703 | */ |
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| 704 | |
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[609] | 705 | ROAR_STREAM(g_streams[id])->pos = |
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| 706 | ROAR_MATH_OVERFLOW_ADD(ROAR_STREAM(g_streams[id])->pos, |
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[381] | 707 | ROAR_OUTPUT_CALC_OUTBUFSAMP(info, needed-todo)); |
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| 708 | //ROAR_WARN("stream=%i, pos=%u", id, ((struct roar_stream*)g_streams[id])->pos); |
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| 709 | |
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[495] | 710 | if ( todo > 0 ) { // zeroize the rest of the buffer |
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[0] | 711 | memset(rest, 0, todo); |
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[125] | 712 | |
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| 713 | if ( todo != ROAR_OUTPUT_CALC_OUTBUFSIZE(info) ) { |
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[495] | 714 | if ( g_streams[id]->is_new ) { |
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| 715 | stream->pre_underruns++; |
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| 716 | } else { |
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[701] | 717 | ROAR_WARN("streams_fill_mixbuffer(*): Underrun in stream: %u bytes missing, filling with zeros", (unsigned int)todo); |
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[495] | 718 | stream->post_underruns++; |
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| 719 | } |
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[125] | 720 | |
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[495] | 721 | stream->is_new = 0; |
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[125] | 722 | } |
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| 723 | } else { |
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[495] | 724 | stream->is_new = 0; |
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[0] | 725 | } |
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| 726 | |
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| 727 | return 0; |
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| 728 | } |
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| 729 | |
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[491] | 730 | |
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[0] | 731 | int streams_get_mixbuffers (void *** bufferlist, struct roar_audio_info * info, unsigned int pos) { |
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[84] | 732 | static void * bufs[ROAR_STREAMS_MAX+1]; |
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[0] | 733 | int i; |
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| 734 | int have = 0; |
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| 735 | |
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| 736 | for (i = 0; i < ROAR_STREAMS_MAX; i++) { |
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| 737 | if ( g_streams[i] != NULL ) { |
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[826] | 738 | if ( ROAR_STREAM(g_streams[i])->dir != ROAR_DIR_PLAY && ROAR_STREAM(g_streams[i])->dir != ROAR_DIR_BIDIR ) |
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[0] | 739 | continue; |
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| 740 | |
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| 741 | if ( streams_get_outputbuffer(i, &bufs[have], ROAR_OUTPUT_CALC_OUTBUFSIZE(info)) == -1 ) { |
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| 742 | ROAR_ERR("streams_get_mixbuffer(*): Can not alloc output buffer for stream %i, BAD!", i); |
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| 743 | ROAR_ERR("streams_get_mixbuffer(*): Ignoring stream for this round."); |
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| 744 | continue; |
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| 745 | } |
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| 746 | if ( streams_fill_mixbuffer(i, info) == -1 ) { |
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| 747 | ROAR_ERR("streams_get_mixbuffer(*): Can not fill output buffer for stream %i, this should not happen", i); |
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| 748 | continue; |
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| 749 | } |
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| 750 | |
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[139] | 751 | // printf("D: bufs[have=%i] = %p\n", have, bufs[have]); |
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| 752 | |
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[0] | 753 | ROAR_DBG("streams_get_mixbuffers(*): bufs[have] = %p", bufs[have]); |
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| 754 | ROAR_DBG("streams_get_mixbuffers(*): *bufs[have] = 0x%08x...", *(uint32_t*)bufs[have]); |
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| 755 | |
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| 756 | have++; // we have a new stream! |
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| 757 | } |
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| 758 | } |
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| 759 | |
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| 760 | bufs[have] = NULL; |
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[139] | 761 | //printf("D: bufs[have=%i] = %p\n", have, bufs[have]); |
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[0] | 762 | |
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| 763 | ROAR_DBG("streams_get_mixbuffers(*): have = %i", have); |
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| 764 | |
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| 765 | *bufferlist = bufs; |
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[547] | 766 | return have; |
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[0] | 767 | } |
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| 768 | |
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| 769 | |
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| 770 | int stream_add_buffer (int id, struct roar_buffer * buf) { |
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| 771 | ROAR_DBG("stream_add_buffer(id=%i, buf=%p) = ?", id, buf); |
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| 772 | |
---|
| 773 | if ( g_streams[id] == NULL ) |
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| 774 | return -1; |
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| 775 | |
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| 776 | if ( g_streams[id]->buffer == NULL ) { |
---|
| 777 | g_streams[id]->buffer = buf; |
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| 778 | ROAR_DBG("stream_add_buffer(id=%i, buf=%p) = 0", id, buf); |
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| 779 | return 0; |
---|
| 780 | } |
---|
| 781 | |
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| 782 | ROAR_DBG("stream_add_buffer(id=%i, buf=%p) = ?", id, buf); |
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| 783 | return roar_buffer_add(g_streams[id]->buffer, buf); |
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| 784 | } |
---|
| 785 | |
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| 786 | int stream_shift_buffer (int id, struct roar_buffer ** buf) { |
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| 787 | struct roar_buffer * next; |
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| 788 | |
---|
| 789 | if ( g_streams[id] == NULL ) |
---|
| 790 | return -1; |
---|
| 791 | |
---|
| 792 | if ( g_streams[id]->buffer == NULL ) { |
---|
| 793 | *buf = NULL; |
---|
| 794 | return 0; |
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| 795 | } |
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| 796 | |
---|
| 797 | roar_buffer_get_next(g_streams[id]->buffer, &next); |
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| 798 | |
---|
| 799 | *buf = g_streams[id]->buffer; |
---|
| 800 | g_streams[id]->buffer = next; |
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| 801 | |
---|
| 802 | return 0; |
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| 803 | } |
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| 804 | int stream_unshift_buffer (int id, struct roar_buffer * buf) { |
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| 805 | if ( g_streams[id] == NULL ) |
---|
| 806 | return -1; |
---|
| 807 | |
---|
| 808 | if ( g_streams[id]->buffer == NULL ) { |
---|
| 809 | g_streams[id]->buffer = buf; |
---|
| 810 | return 0; |
---|
| 811 | } |
---|
| 812 | |
---|
[271] | 813 | buf->next = NULL; |
---|
| 814 | |
---|
[0] | 815 | roar_buffer_add(buf, g_streams[id]->buffer); |
---|
| 816 | |
---|
| 817 | g_streams[id]->buffer = buf; |
---|
| 818 | |
---|
| 819 | return 0; |
---|
| 820 | } |
---|
| 821 | |
---|
| 822 | int streams_check (int id) { |
---|
| 823 | int fh; |
---|
[508] | 824 | ssize_t req, realreq, done; |
---|
[0] | 825 | struct roar_stream * s; |
---|
| 826 | struct roar_stream_server * ss; |
---|
| 827 | struct roar_buffer * b; |
---|
| 828 | char * buf; |
---|
| 829 | |
---|
| 830 | if ( g_streams[id] == NULL ) |
---|
| 831 | return -1; |
---|
| 832 | |
---|
| 833 | ROAR_DBG("streams_check(id=%i) = ?", id); |
---|
| 834 | |
---|
[609] | 835 | s = ROAR_STREAM(ss = g_streams[id]); |
---|
[0] | 836 | |
---|
| 837 | if ( (fh = s->fh) == -1 ) |
---|
| 838 | return 0; |
---|
| 839 | |
---|
[826] | 840 | if ( s->dir != ROAR_DIR_PLAY && s->dir != ROAR_DIR_BIDIR ) |
---|
[0] | 841 | return 0; |
---|
| 842 | |
---|
[1585] | 843 | if ( streams_get_flag(id, ROAR_FLAG_PAUSE) ) |
---|
| 844 | return 0; |
---|
| 845 | |
---|
[0] | 846 | ROAR_DBG("streams_check(id=%i): fh = %i", id, fh); |
---|
| 847 | |
---|
| 848 | req = ROAR_OUTPUT_BUFFER_SAMPLES * s->info.channels * s->info.bits / 8; // optimal size |
---|
| 849 | req += ss->need_extra; // bytes left we sould get.... |
---|
| 850 | |
---|
| 851 | if ( roar_buffer_new(&b, req) == -1 ) { |
---|
| 852 | ROAR_ERR("streams_check(*): Can not alloc buffer space!"); |
---|
| 853 | ROAR_DBG("streams_check(*) = -1"); |
---|
| 854 | return -1; |
---|
| 855 | } |
---|
| 856 | |
---|
| 857 | roar_buffer_get_data(b, (void **)&buf); |
---|
| 858 | |
---|
| 859 | ROAR_DBG("streams_check(id=%i): buffer is up and ready ;)", id); |
---|
| 860 | |
---|
[270] | 861 | if ( ss->codecfilter == -1 ) { |
---|
[508] | 862 | realreq = req; |
---|
| 863 | /* |
---|
[270] | 864 | req = read(fh, buf, req); |
---|
[508] | 865 | if ( req < realreq ) { // we can do this as the stream is in nonblocking mode! |
---|
| 866 | if ( (realreq = read(fh, buf+req, realreq-req)) > 0 ) |
---|
| 867 | req += realreq; |
---|
| 868 | } |
---|
| 869 | */ |
---|
| 870 | done = 0; |
---|
| 871 | while (req > 0 && done != realreq) { |
---|
[881] | 872 | if ( (req = stream_vio_s_read(ss, buf+done, realreq-done)) > 0 ) |
---|
[508] | 873 | done += req; |
---|
| 874 | } |
---|
| 875 | req = done; |
---|
[270] | 876 | } else { |
---|
| 877 | req = codecfilter_read(ss->codecfilter_inst, ss->codecfilter, buf, req); |
---|
| 878 | } |
---|
| 879 | |
---|
| 880 | if ( req > 0 ) { |
---|
[0] | 881 | ROAR_DBG("streams_check(id=%i): got %i bytes", id, req); |
---|
| 882 | |
---|
| 883 | roar_buffer_set_len(b, req); |
---|
| 884 | |
---|
| 885 | if ( stream_add_buffer(id, b) != -1 ) |
---|
| 886 | return 0; |
---|
| 887 | |
---|
| 888 | ROAR_ERR("streams_check(id=%i): something is wrong, could not add buffer to stream!", id); |
---|
| 889 | roar_buffer_free(b); |
---|
| 890 | } else { |
---|
[272] | 891 | ROAR_DBG("streams_check(id=%i): read() = %i // errno: %s", id, req, strerror(errno)); |
---|
| 892 | #ifdef ROAR_HAVE_LIBVORBISFILE |
---|
| 893 | if ( errno != EAGAIN && errno != ESPIPE ) { // libvorbis file trys to seek a bit ofen :) |
---|
| 894 | #else |
---|
| 895 | if ( errno != EAGAIN ) { |
---|
| 896 | #endif |
---|
| 897 | ROAR_DBG("streams_check(id=%i): EOF!", id); |
---|
| 898 | streams_delete(id); |
---|
| 899 | ROAR_DBG("streams_check(id=%i) = 0", id); |
---|
| 900 | } |
---|
[334] | 901 | roar_buffer_free(b); |
---|
[0] | 902 | return 0; |
---|
| 903 | } |
---|
| 904 | |
---|
| 905 | |
---|
| 906 | ROAR_DBG("streams_check(id=%i) = -1", id); |
---|
| 907 | return -1; |
---|
| 908 | } |
---|
| 909 | |
---|
| 910 | |
---|
| 911 | int streams_send_mon (int id) { |
---|
[936] | 912 | // int fh; |
---|
[0] | 913 | struct roar_stream * s; |
---|
| 914 | struct roar_stream_server * ss; |
---|
[1157] | 915 | void * obuf; |
---|
| 916 | int olen; |
---|
| 917 | int need_to_free = 0; |
---|
| 918 | ssize_t ret; |
---|
[0] | 919 | |
---|
| 920 | if ( g_streams[id] == NULL ) |
---|
| 921 | return -1; |
---|
| 922 | |
---|
| 923 | ROAR_DBG("streams_send_mon(id=%i) = ?", id); |
---|
| 924 | |
---|
[585] | 925 | s = ROAR_STREAM((ss = g_streams[id])); |
---|
[0] | 926 | |
---|
[934] | 927 | /* |
---|
[0] | 928 | if ( (fh = s->fh) == -1 ) |
---|
| 929 | return 0; |
---|
[934] | 930 | */ |
---|
[0] | 931 | |
---|
[826] | 932 | if ( s->dir != ROAR_DIR_MONITOR && s->dir != ROAR_DIR_OUTPUT && s->dir != ROAR_DIR_BIDIR ) |
---|
[0] | 933 | return 0; |
---|
| 934 | |
---|
[930] | 935 | if ( s->dir == ROAR_DIR_OUTPUT && g_standby ) |
---|
| 936 | return 0; |
---|
| 937 | |
---|
[1585] | 938 | if ( streams_get_flag(id, ROAR_FLAG_PAUSE) ) |
---|
| 939 | return 0; |
---|
| 940 | |
---|
[1042] | 941 | ROAR_DBG("streams_send_mon(id=%i): fh = %i", id, s->fh); |
---|
[0] | 942 | |
---|
[625] | 943 | if ( s->info.channels != g_sa->channels || s->info.bits != g_sa->bits || |
---|
| 944 | s->info.rate != g_sa->rate || s->info.codec != g_sa->codec ) { |
---|
| 945 | olen = ROAR_OUTPUT_CALC_OUTBUFSIZE(&(s->info)); // we hope g_output_buffer_len |
---|
| 946 | // is ROAR_OUTPUT_CALC_OUTBUFSIZE(g_sa) here |
---|
| 947 | if ( (obuf = malloc(olen)) == NULL ) |
---|
| 948 | return -1; |
---|
| 949 | |
---|
| 950 | need_to_free = 1; |
---|
| 951 | |
---|
| 952 | ROAR_DBG("streams_send_mon(id=%i): obuf=%p, olen=%i", id, obuf, olen); |
---|
| 953 | |
---|
| 954 | if ( roar_conv(obuf, g_output_buffer, ROAR_OUTPUT_BUFFER_SAMPLES*g_sa->channels, g_sa, &(s->info)) == -1 ) { |
---|
| 955 | free(obuf); |
---|
| 956 | return -1; |
---|
| 957 | } |
---|
| 958 | } else { |
---|
| 959 | obuf = g_output_buffer; |
---|
| 960 | olen = g_output_buffer_len; |
---|
| 961 | } |
---|
| 962 | |
---|
[585] | 963 | errno = 0; |
---|
| 964 | |
---|
| 965 | if ( ss->codecfilter == -1 ) { |
---|
[1042] | 966 | ROAR_DBG("streams_send_mon(id=%i): not a CF stream", id); |
---|
| 967 | if ( s->fh == -1 && roar_vio_get_fh(&(ss->vio)) == -1 ) |
---|
[1014] | 968 | return 0; |
---|
| 969 | |
---|
[1157] | 970 | if ( (ret = stream_vio_s_write(ss, obuf, olen)) == olen ) { |
---|
[625] | 971 | if ( need_to_free ) free(obuf); |
---|
[981] | 972 | s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, ROAR_OUTPUT_CALC_OUTBUFSAMP(&(s->info), olen)*s->info.channels); |
---|
[585] | 973 | return 0; |
---|
[625] | 974 | } |
---|
[1157] | 975 | |
---|
| 976 | if ( ret > 0 && errno == 0 ) { |
---|
[1231] | 977 | 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] | 978 | if ( need_to_free ) free(obuf); |
---|
| 979 | s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, ROAR_OUTPUT_CALC_OUTBUFSAMP(&(s->info), ret)*s->info.channels); |
---|
| 980 | return 0; |
---|
| 981 | } |
---|
[585] | 982 | } else { |
---|
[1012] | 983 | errno = 0; |
---|
[625] | 984 | if ( codecfilter_write(ss->codecfilter_inst, ss->codecfilter, obuf, olen) |
---|
| 985 | == olen ) { |
---|
| 986 | if ( need_to_free ) free(obuf); |
---|
[981] | 987 | s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, ROAR_OUTPUT_CALC_OUTBUFSAMP(&(s->info), olen)*s->info.channels); |
---|
[585] | 988 | return 0; |
---|
| 989 | } else { // we cann't retry on codec filetered streams |
---|
[1012] | 990 | if ( errno != EAGAIN ) { |
---|
| 991 | if ( need_to_free ) free(obuf); |
---|
| 992 | streams_delete(id); |
---|
| 993 | return -1; |
---|
| 994 | } |
---|
[585] | 995 | } |
---|
| 996 | } |
---|
[0] | 997 | |
---|
[129] | 998 | if ( errno == EAGAIN ) { |
---|
| 999 | // ok, the client blocks for a moment, we try to sleep a bit an retry in the hope not to |
---|
| 1000 | // make any gapes in any output because of this |
---|
| 1001 | |
---|
[1750] | 1002 | #ifdef ROAR_HAVE_USLEEP |
---|
[129] | 1003 | usleep(100); // 0.1ms |
---|
[1750] | 1004 | #endif |
---|
[129] | 1005 | |
---|
[881] | 1006 | if ( stream_vio_s_write(ss, obuf, olen) == olen ) { |
---|
[625] | 1007 | if ( need_to_free ) free(obuf); |
---|
[981] | 1008 | s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, ROAR_OUTPUT_CALC_OUTBUFSAMP(&(s->info), olen)*s->info.channels); |
---|
[129] | 1009 | return 0; |
---|
[1015] | 1010 | } else if ( errno == EAGAIN ) { |
---|
| 1011 | ROAR_WARN("streams_send_mon(id=%i): Can not send data to client: %s", id, strerror(errno)); |
---|
| 1012 | return 0; |
---|
[625] | 1013 | } |
---|
[129] | 1014 | } |
---|
| 1015 | |
---|
[0] | 1016 | // ug... error... delete stream! |
---|
| 1017 | |
---|
[625] | 1018 | if ( need_to_free ) free(obuf); |
---|
[0] | 1019 | streams_delete(id); |
---|
| 1020 | |
---|
| 1021 | return -1; |
---|
| 1022 | } |
---|
| 1023 | |
---|
| 1024 | int streams_send_filter(int id) { |
---|
| 1025 | int fh; |
---|
[127] | 1026 | int have = 0; |
---|
| 1027 | int len; |
---|
[0] | 1028 | struct roar_stream * s; |
---|
| 1029 | struct roar_stream_server * ss; |
---|
| 1030 | |
---|
| 1031 | if ( g_streams[id] == NULL ) |
---|
| 1032 | return -1; |
---|
| 1033 | |
---|
| 1034 | ROAR_DBG("streams_send_filter(id=%i) = ?", id); |
---|
| 1035 | |
---|
[609] | 1036 | s = ROAR_STREAM(ss = g_streams[id]); |
---|
[0] | 1037 | |
---|
| 1038 | if ( (fh = s->fh) == -1 ) |
---|
| 1039 | return 0; |
---|
| 1040 | |
---|
| 1041 | if ( s->dir != ROAR_DIR_FILTER ) |
---|
| 1042 | return 0; |
---|
| 1043 | |
---|
[1585] | 1044 | if ( streams_get_flag(id, ROAR_FLAG_PAUSE) ) |
---|
| 1045 | return 0; |
---|
| 1046 | |
---|
| 1047 | |
---|
[0] | 1048 | ROAR_DBG("streams_send_filter(id=%i): fh = %i", id, fh); |
---|
| 1049 | |
---|
[881] | 1050 | if ( stream_vio_s_write(ss, g_output_buffer, g_output_buffer_len) == g_output_buffer_len ) { |
---|
[127] | 1051 | while ( have < g_output_buffer_len ) { |
---|
[881] | 1052 | if ( (len = stream_vio_s_read(ss, g_output_buffer+have, g_output_buffer_len-have)) < 1 ) { |
---|
[127] | 1053 | streams_delete(id); |
---|
| 1054 | return -1; |
---|
| 1055 | } |
---|
| 1056 | have += len; |
---|
[0] | 1057 | } |
---|
[127] | 1058 | return 0; |
---|
[0] | 1059 | } |
---|
| 1060 | |
---|
| 1061 | // ug... error... delete stream! |
---|
| 1062 | |
---|
| 1063 | streams_delete(id); |
---|
| 1064 | |
---|
| 1065 | return -1; |
---|
| 1066 | } |
---|
| 1067 | |
---|
[596] | 1068 | |
---|
| 1069 | // VIO: |
---|
| 1070 | |
---|
| 1071 | ssize_t stream_vio_read (int stream, void *buf, size_t count) { |
---|
| 1072 | struct roar_stream_server * s = g_streams[stream]; |
---|
| 1073 | |
---|
| 1074 | if ( !s ) |
---|
| 1075 | return -1; |
---|
| 1076 | |
---|
| 1077 | return stream_vio_s_read(s, buf, count); |
---|
| 1078 | } |
---|
| 1079 | |
---|
| 1080 | ssize_t stream_vio_write(int stream, void *buf, size_t count) { |
---|
| 1081 | struct roar_stream_server * s = g_streams[stream]; |
---|
| 1082 | |
---|
| 1083 | if ( !s ) |
---|
| 1084 | return -1; |
---|
| 1085 | |
---|
| 1086 | return stream_vio_s_write(s, buf, count); |
---|
| 1087 | } |
---|
| 1088 | |
---|
| 1089 | |
---|
| 1090 | ssize_t stream_vio_s_read (struct roar_stream_server * stream, void *buf, size_t count) { |
---|
[741] | 1091 | size_t len = 0; |
---|
| 1092 | ssize_t r = -1; |
---|
[739] | 1093 | |
---|
[596] | 1094 | errno = 0; |
---|
| 1095 | |
---|
| 1096 | if ( !stream ) |
---|
| 1097 | return -1; |
---|
| 1098 | |
---|
[1613] | 1099 | //roar_vio_set_fh(&(stream->vio), ROAR_STREAM(stream)->fh); |
---|
[881] | 1100 | |
---|
[596] | 1101 | if ( ! stream->vio.read ) |
---|
| 1102 | return -1; |
---|
| 1103 | |
---|
[881] | 1104 | while ( (r = roar_vio_read(&(stream->vio), buf, count)) > 0 ) { |
---|
[739] | 1105 | len += r; |
---|
| 1106 | buf += r; |
---|
| 1107 | count -= r; |
---|
| 1108 | if ( count == 0 ) |
---|
| 1109 | break; |
---|
| 1110 | } |
---|
| 1111 | |
---|
[740] | 1112 | if ( len == 0 && r == -1 ) |
---|
| 1113 | return -1; |
---|
| 1114 | |
---|
[739] | 1115 | return len; |
---|
[596] | 1116 | } |
---|
| 1117 | |
---|
| 1118 | ssize_t stream_vio_s_write(struct roar_stream_server * stream, void *buf, size_t count) { |
---|
| 1119 | errno = 0; |
---|
| 1120 | |
---|
| 1121 | if ( !stream ) |
---|
| 1122 | return -1; |
---|
| 1123 | |
---|
[1613] | 1124 | /* |
---|
[934] | 1125 | if ( roar_vio_get_fh(&(stream->vio)) == -1 && ROAR_STREAM(stream)->fh != -1 ) |
---|
| 1126 | roar_vio_set_fh(&(stream->vio), ROAR_STREAM(stream)->fh); |
---|
[1613] | 1127 | */ |
---|
[934] | 1128 | |
---|
| 1129 | // ROAR_WARN("stream_vio_s_write(*): writing..."); |
---|
[596] | 1130 | |
---|
[881] | 1131 | return roar_vio_write(&(stream->vio), buf, count); |
---|
[596] | 1132 | } |
---|
| 1133 | |
---|
[0] | 1134 | //ll |
---|