filename | src/drivers/audio_esd.c |
changeset | 736:a02d1475ccfd |
prev | 700:4650d0c7f6f9 |
next | 1024:c67f2d61ab97 |
author | nkeynes |
date | Thu Oct 16 12:06:24 2008 +0000 (15 years ago) |
permissions | -rw-r--r-- |
last change | Fix bound check on number of framebuffers allocated Fix repurposing framebuffers to clear out previous attachments to prevent dimension erros. |
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nkeynes@66 | 1 | /** |
nkeynes@561 | 2 | * $Id$ |
nkeynes@66 | 3 | * |
nkeynes@66 | 4 | * The esd (esound) audio driver |
nkeynes@66 | 5 | * |
nkeynes@66 | 6 | * Copyright (c) 2005 Nathan Keynes. |
nkeynes@66 | 7 | * |
nkeynes@66 | 8 | * This program is free software; you can redistribute it and/or modify |
nkeynes@66 | 9 | * it under the terms of the GNU General Public License as published by |
nkeynes@66 | 10 | * the Free Software Foundation; either version 2 of the License, or |
nkeynes@66 | 11 | * (at your option) any later version. |
nkeynes@66 | 12 | * |
nkeynes@66 | 13 | * This program is distributed in the hope that it will be useful, |
nkeynes@66 | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
nkeynes@66 | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
nkeynes@66 | 16 | * GNU General Public License for more details. |
nkeynes@66 | 17 | */ |
nkeynes@424 | 18 | #include <stdio.h> |
nkeynes@424 | 19 | #include <unistd.h> |
nkeynes@66 | 20 | #include <esd.h> |
nkeynes@66 | 21 | #include "aica/audio.h" |
nkeynes@66 | 22 | #include "dream.h" |
nkeynes@66 | 23 | |
nkeynes@66 | 24 | int esd_handle = -1; |
nkeynes@66 | 25 | int esd_sample_size = 1; |
nkeynes@66 | 26 | |
bhaal22@643 | 27 | |
bhaal22@643 | 28 | gboolean audio_esd_init() |
bhaal22@643 | 29 | { |
nkeynes@697 | 30 | int format = DEFAULT_SAMPLE_FORMAT; |
nkeynes@697 | 31 | int rate = DEFAULT_SAMPLE_RATE; |
nkeynes@736 | 32 | |
nkeynes@66 | 33 | if( esd_handle != -1 ) { |
nkeynes@697 | 34 | esd_close(esd_handle); |
nkeynes@66 | 35 | } |
nkeynes@66 | 36 | esd_format_t esd_format = 0; |
nkeynes@66 | 37 | esd_sample_size = 1; |
nkeynes@66 | 38 | if( format & AUDIO_FMT_16BIT ) { |
nkeynes@697 | 39 | esd_format |= ESD_BITS16; |
nkeynes@66 | 40 | } else esd_format |= ESD_BITS8; |
nkeynes@66 | 41 | if( format & AUDIO_FMT_STEREO ) { |
nkeynes@697 | 42 | esd_format |= ESD_STEREO; |
nkeynes@66 | 43 | } |
nkeynes@66 | 44 | else esd_format |= ESD_MONO; |
nkeynes@697 | 45 | |
nkeynes@180 | 46 | esd_handle = esd_play_stream( esd_format, rate, "localhost", "lxdream" ); |
nkeynes@86 | 47 | if( esd_handle == -1 ) { |
nkeynes@697 | 48 | ERROR( "Unable to open audio output (ESD)" ); |
nkeynes@697 | 49 | return FALSE; |
nkeynes@86 | 50 | } |
nkeynes@66 | 51 | return TRUE; |
nkeynes@66 | 52 | } |
nkeynes@66 | 53 | |
nkeynes@106 | 54 | gboolean audio_esd_process_buffer( audio_buffer_t buffer ) |
nkeynes@66 | 55 | { |
nkeynes@66 | 56 | if( esd_handle != -1 ) { |
nkeynes@697 | 57 | write( esd_handle, buffer->data, buffer->length ); |
nkeynes@697 | 58 | return TRUE; |
nkeynes@66 | 59 | } else { |
nkeynes@697 | 60 | ERROR( "ESD not initialized" ); |
nkeynes@697 | 61 | return FALSE; |
nkeynes@66 | 62 | } |
nkeynes@66 | 63 | } |
nkeynes@66 | 64 | |
nkeynes@697 | 65 | gboolean audio_esd_shutdown() |
bhaal22@643 | 66 | { |
nkeynes@697 | 67 | close(esd_handle); |
nkeynes@697 | 68 | esd_handle = -1; |
nkeynes@697 | 69 | return TRUE; |
bhaal22@643 | 70 | } |
nkeynes@66 | 71 | |
nkeynes@700 | 72 | struct audio_driver audio_esd_driver = { |
nkeynes@700 | 73 | "esd", |
nkeynes@700 | 74 | N_("Enlightened Sound Daemon driver"), |
nkeynes@697 | 75 | DEFAULT_SAMPLE_RATE, |
nkeynes@697 | 76 | DEFAULT_SAMPLE_FORMAT, |
nkeynes@697 | 77 | audio_esd_init, |
nkeynes@697 | 78 | NULL, |
nkeynes@697 | 79 | audio_esd_process_buffer, |
nkeynes@697 | 80 | NULL, |
nkeynes@697 | 81 | audio_esd_shutdown}; |
bhaal22@643 | 82 |
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