1 | //raw.c: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009 |
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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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25 | #include "roard.h" |
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26 | |
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27 | int raw_check_stream (int id) { |
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28 | struct roar_stream * s; |
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29 | struct roar_stream_server * ss; |
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30 | struct roar_buffer * buf; |
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31 | void * data; |
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32 | ssize_t len; |
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33 | |
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34 | if ( g_streams[id] == NULL ) |
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35 | return -1; |
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36 | |
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37 | ROAR_DBG("raw_check_stream(id=%i) = ?", id); |
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38 | |
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39 | s = ROAR_STREAM(ss = g_streams[id]); |
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40 | |
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41 | if ( s->pos_rel_id == -1 ) |
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42 | return -1; |
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43 | |
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44 | if ( roar_buffer_new(&buf, RAW_READ_LEN) == -1 ) |
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45 | return -1; |
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46 | |
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47 | if ( roar_buffer_get_data(buf, &data) == -1 ) { |
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48 | roar_buffer_free(buf); |
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49 | return -1; |
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50 | } |
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51 | |
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52 | if ( (len = stream_vio_s_read(ss, data, RAW_READ_LEN)) < 1 ) { |
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53 | // this is len=0 -> eof OR len=-1 -> error |
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54 | streams_delete(id); |
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55 | roar_buffer_free(buf); |
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56 | return -1; |
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57 | } |
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58 | |
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59 | if ( stream_vio_write(s->pos_rel_id, data, len) != len ) { |
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60 | // we are that hard here as this is needed to ensure data integrety |
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61 | streams_delete(s->pos_rel_id); |
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62 | } |
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63 | |
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64 | roar_buffer_free(buf); |
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65 | |
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66 | return 0; |
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67 | } |
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68 | |
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69 | //ll |
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