[1563] | 1 | //stream.c: |
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[1559] | 2 | |
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| 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009 |
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| 5 | * The code (may) include prototypes and comments (and maybe |
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| 6 | * other code fragements) from EsounD. |
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| 7 | * They are mostly copyrighted by Eric B. Mitchell (aka 'Ricdude) |
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| 8 | * <ericmit@ix.netcom.com>. For more information see AUTHORS.esd. |
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| 9 | * |
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| 10 | * This file is part of libroaresd a part of RoarAudio, |
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| 11 | * a cross-platform sound system for both, home and professional use. |
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| 12 | * See README for details. |
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| 13 | * |
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| 14 | * This file is free software; you can redistribute it and/or modify |
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| 15 | * it under the terms of the GNU General Public License version 3 |
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| 16 | * as published by the Free Software Foundation. |
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| 17 | * |
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| 18 | * RoarAudio is distributed in the hope that it will be useful, |
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| 19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 21 | * GNU General Public License for more details. |
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| 22 | * |
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| 23 | * You should have received a copy of the GNU General Public License |
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| 24 | * along with this software; see the file COPYING. If not, write to |
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| 25 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 26 | * |
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| 27 | * NOTE for everyone want's to change something and send patches: |
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| 28 | * read README and HACKING! There a addition information on |
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| 29 | * the license of this document you need to read before you send |
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| 30 | * any patches. |
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| 31 | */ |
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| 32 | |
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[1571] | 33 | #define ROAR_USE_OWN_SNDIO_HDL |
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[1559] | 34 | #include "libroarsndio.h" |
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| 35 | |
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[1567] | 36 | #define _i(x) (hdl->info.x) |
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[1563] | 37 | int sio_start (struct sio_hdl * hdl) { |
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[2019] | 38 | int fh; |
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| 39 | |
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[2020] | 40 | // TODO: FIXME: use full VIO support here, not fh->vio! |
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| 41 | |
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[1567] | 42 | if ( hdl == NULL ) |
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| 43 | return 0; |
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| 44 | |
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[2019] | 45 | if ( hdl->stream_opened ) |
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| 46 | return 0; |
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| 47 | |
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| 48 | if ( (fh = roar_simple_new_stream_obj(&(hdl->con), &(hdl->stream), _i(rate), _i(channels), _i(bits), _i(codec), ROAR_DIR_PLAY)) == -1 ) |
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[1567] | 49 | return 0; |
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| 50 | |
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[2022] | 51 | ROAR_DBG("sio_start(hdl=%p): rate=%i, channels=%i, bits=%i, codec=%i", hdl, _i(rate), _i(channels), _i(bits), _i(codec)); |
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| 52 | |
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[2019] | 53 | if ( roar_vio_open_fh_socket(&(hdl->svio), fh) == -1 ) { |
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| 54 | close(fh); |
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[1567] | 55 | return 0; |
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[2019] | 56 | } |
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| 57 | |
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| 58 | hdl->stream_opened = 1; |
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[1567] | 59 | |
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| 60 | return 1; |
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[1563] | 61 | } |
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[1567] | 62 | #undef _i |
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[1563] | 63 | |
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| 64 | int sio_stop (struct sio_hdl * hdl) { |
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| 65 | |
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| 66 | if ( hdl == NULL ) |
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| 67 | return 0; |
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| 68 | |
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[2019] | 69 | if ( !hdl->stream_opened ) |
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[1563] | 70 | return 0; |
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| 71 | |
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[2019] | 72 | roar_vio_close(&(hdl->svio)); |
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[1563] | 73 | |
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[2019] | 74 | hdl->stream_opened = -1; |
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[1563] | 75 | |
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| 76 | return 1; |
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| 77 | } |
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| 78 | |
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| 79 | size_t sio_read (struct sio_hdl * hdl, void * addr, size_t nbytes) { |
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| 80 | ssize_t ret; |
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| 81 | |
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| 82 | if ( hdl == NULL ) |
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| 83 | return 0; |
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| 84 | |
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[2019] | 85 | if ( !hdl->stream_opened ) |
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[1563] | 86 | return 0; |
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| 87 | |
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[2019] | 88 | if ( (ret = roar_vio_read(&(hdl->svio), addr, nbytes)) < 0 ) |
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[1563] | 89 | return 0; |
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| 90 | |
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| 91 | return ret; |
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| 92 | } |
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| 93 | size_t sio_write (struct sio_hdl * hdl, void * addr, size_t nbytes) { |
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| 94 | ssize_t ret; |
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| 95 | |
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| 96 | if ( hdl == NULL ) |
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| 97 | return 0; |
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| 98 | |
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[2019] | 99 | if ( !hdl->stream_opened ) |
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[1563] | 100 | return 0; |
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| 101 | |
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[2019] | 102 | if ( (ret = roar_vio_write(&(hdl->svio), addr, nbytes)) < 0 ) |
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[1563] | 103 | return 0; |
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| 104 | |
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[1577] | 105 | if ( hdl->on_move != NULL ) { |
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| 106 | hdl->on_move(hdl->on_move_arg, 8*ret/(hdl->info.channels * hdl->info.bits)); |
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| 107 | } |
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| 108 | |
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[1563] | 109 | return ret; |
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| 110 | } |
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| 111 | |
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[1559] | 112 | //ll |
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