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