filename | src/drivers/audio_esd.c |
changeset | 424:421d68e78c46 |
prev | 180:e6dcf9b65658 |
next | 561:533f6b478071 |
author | nkeynes |
date | Wed Oct 31 09:10:23 2007 +0000 (16 years ago) |
permissions | -rw-r--r-- |
last change | Add save/restore of render buffers in save states Gzip memory blocks in save states Move front-buffer management back to pvr2 Add screenshot preview when loading save states Various minor fixes and cleanups |
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nkeynes@66 | 1 | /** |
nkeynes@424 | 2 | * $Id: audio_esd.c,v 1.9 2007-10-07 05:42:25 nkeynes Exp $ |
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 | |
nkeynes@106 | 27 | gboolean audio_esd_set_format( uint32_t rate, uint32_t format ) |
nkeynes@66 | 28 | { |
nkeynes@66 | 29 | if( esd_handle != -1 ) { |
nkeynes@66 | 30 | esd_close(esd_handle); |
nkeynes@66 | 31 | } |
nkeynes@66 | 32 | esd_format_t esd_format = 0; |
nkeynes@66 | 33 | esd_sample_size = 1; |
nkeynes@66 | 34 | if( format & AUDIO_FMT_16BIT ) { |
nkeynes@66 | 35 | esd_format |= ESD_BITS16; |
nkeynes@66 | 36 | } else esd_format |= ESD_BITS8; |
nkeynes@66 | 37 | if( format & AUDIO_FMT_STEREO ) { |
nkeynes@66 | 38 | esd_format |= ESD_STEREO; |
nkeynes@66 | 39 | } |
nkeynes@66 | 40 | else esd_format |= ESD_MONO; |
nkeynes@66 | 41 | |
nkeynes@180 | 42 | esd_handle = esd_play_stream( esd_format, rate, "localhost", "lxdream" ); |
nkeynes@86 | 43 | if( esd_handle == -1 ) { |
nkeynes@86 | 44 | ERROR( "Unable to open audio output (ESD)" ); |
nkeynes@111 | 45 | return FALSE; |
nkeynes@86 | 46 | } |
nkeynes@66 | 47 | return TRUE; |
nkeynes@66 | 48 | } |
nkeynes@66 | 49 | |
nkeynes@106 | 50 | gboolean audio_esd_process_buffer( audio_buffer_t buffer ) |
nkeynes@66 | 51 | { |
nkeynes@66 | 52 | if( esd_handle != -1 ) { |
nkeynes@73 | 53 | write( esd_handle, buffer->data, buffer->length ); |
nkeynes@78 | 54 | return TRUE; |
nkeynes@66 | 55 | } else { |
nkeynes@66 | 56 | ERROR( "ESD not initialized" ); |
nkeynes@78 | 57 | return FALSE; |
nkeynes@66 | 58 | } |
nkeynes@66 | 59 | } |
nkeynes@66 | 60 | |
nkeynes@106 | 61 | struct audio_driver audio_esd_driver = { "esd", audio_esd_set_format, audio_esd_process_buffer }; |
nkeynes@66 | 62 |
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