nkeynes@66 | 1 | /**
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nkeynes@180 | 2 | * $Id: audio_esd.c,v 1.8 2006-07-02 04:59:00 nkeynes Exp $
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nkeynes@66 | 3 | *
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nkeynes@66 | 4 | * The esd (esound) audio driver
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nkeynes@66 | 5 | *
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nkeynes@66 | 6 | * Copyright (c) 2005 Nathan Keynes.
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nkeynes@66 | 7 | *
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nkeynes@66 | 8 | * This program is free software; you can redistribute it and/or modify
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nkeynes@66 | 9 | * it under the terms of the GNU General Public License as published by
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nkeynes@66 | 10 | * the Free Software Foundation; either version 2 of the License, or
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nkeynes@66 | 11 | * (at your option) any later version.
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nkeynes@66 | 12 | *
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nkeynes@66 | 13 | * This program is distributed in the hope that it will be useful,
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nkeynes@66 | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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nkeynes@66 | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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nkeynes@66 | 16 | * GNU General Public License for more details.
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nkeynes@66 | 17 | */
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nkeynes@66 | 18 | #include <esd.h>
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nkeynes@66 | 19 | #include "aica/audio.h"
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nkeynes@66 | 20 | #include "dream.h"
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nkeynes@66 | 21 |
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nkeynes@66 | 22 | int esd_handle = -1;
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nkeynes@66 | 23 | int esd_sample_size = 1;
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nkeynes@66 | 24 |
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nkeynes@106 | 25 | gboolean audio_esd_set_format( uint32_t rate, uint32_t format )
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nkeynes@66 | 26 | {
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nkeynes@66 | 27 | if( esd_handle != -1 ) {
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nkeynes@66 | 28 | esd_close(esd_handle);
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nkeynes@66 | 29 | }
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nkeynes@66 | 30 | esd_format_t esd_format = 0;
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nkeynes@66 | 31 | esd_sample_size = 1;
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nkeynes@66 | 32 | if( format & AUDIO_FMT_16BIT ) {
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nkeynes@66 | 33 | esd_format |= ESD_BITS16;
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nkeynes@66 | 34 | } else esd_format |= ESD_BITS8;
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nkeynes@66 | 35 | if( format & AUDIO_FMT_STEREO ) {
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nkeynes@66 | 36 | esd_format |= ESD_STEREO;
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nkeynes@66 | 37 | }
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nkeynes@66 | 38 | else esd_format |= ESD_MONO;
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nkeynes@66 | 39 |
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nkeynes@180 | 40 | esd_handle = esd_play_stream( esd_format, rate, "localhost", "lxdream" );
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nkeynes@86 | 41 | if( esd_handle == -1 ) {
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nkeynes@86 | 42 | ERROR( "Unable to open audio output (ESD)" );
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nkeynes@111 | 43 | return FALSE;
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nkeynes@86 | 44 | }
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nkeynes@66 | 45 | return TRUE;
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nkeynes@66 | 46 | }
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nkeynes@66 | 47 |
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nkeynes@106 | 48 | gboolean audio_esd_process_buffer( audio_buffer_t buffer )
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nkeynes@66 | 49 | {
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nkeynes@66 | 50 | if( esd_handle != -1 ) {
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nkeynes@73 | 51 | write( esd_handle, buffer->data, buffer->length );
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nkeynes@78 | 52 | return TRUE;
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nkeynes@66 | 53 | } else {
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nkeynes@66 | 54 | ERROR( "ESD not initialized" );
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nkeynes@78 | 55 | return FALSE;
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nkeynes@66 | 56 | }
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nkeynes@66 | 57 | }
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nkeynes@66 | 58 |
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nkeynes@106 | 59 | struct audio_driver audio_esd_driver = { "esd", audio_esd_set_format, audio_esd_process_buffer };
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nkeynes@66 | 60 |
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