nkeynes@66 | 1 | /**
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nkeynes@561 | 2 | * $Id$
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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@424 | 18 | #include <stdio.h>
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nkeynes@424 | 19 | #include <unistd.h>
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nkeynes@66 | 20 | #include <esd.h>
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nkeynes@66 | 21 | #include "aica/audio.h"
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nkeynes@66 | 22 | #include "dream.h"
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nkeynes@66 | 23 |
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nkeynes@1024 | 24 | static int esd_handle = -1;
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nkeynes@1024 | 25 | static int esd_sample_size = 1;
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nkeynes@66 | 26 |
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bhaal22@643 | 27 |
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nkeynes@1024 | 28 | static gboolean audio_esd_init()
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bhaal22@643 | 29 | {
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nkeynes@697 | 30 | int format = DEFAULT_SAMPLE_FORMAT;
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nkeynes@697 | 31 | int rate = DEFAULT_SAMPLE_RATE;
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nkeynes@736 | 32 |
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nkeynes@66 | 33 | if( esd_handle != -1 ) {
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nkeynes@697 | 34 | esd_close(esd_handle);
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nkeynes@66 | 35 | }
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nkeynes@66 | 36 | esd_format_t esd_format = 0;
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nkeynes@66 | 37 | esd_sample_size = 1;
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nkeynes@66 | 38 | if( format & AUDIO_FMT_16BIT ) {
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nkeynes@697 | 39 | esd_format |= ESD_BITS16;
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nkeynes@66 | 40 | } else esd_format |= ESD_BITS8;
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nkeynes@66 | 41 | if( format & AUDIO_FMT_STEREO ) {
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nkeynes@697 | 42 | esd_format |= ESD_STEREO;
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nkeynes@66 | 43 | }
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nkeynes@66 | 44 | else esd_format |= ESD_MONO;
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nkeynes@697 | 45 |
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nkeynes@180 | 46 | esd_handle = esd_play_stream( esd_format, rate, "localhost", "lxdream" );
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nkeynes@86 | 47 | if( esd_handle == -1 ) {
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nkeynes@697 | 48 | ERROR( "Unable to open audio output (ESD)" );
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nkeynes@697 | 49 | return FALSE;
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nkeynes@86 | 50 | }
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nkeynes@66 | 51 | return TRUE;
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nkeynes@66 | 52 | }
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nkeynes@66 | 53 |
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nkeynes@1024 | 54 | static gboolean audio_esd_process_buffer( audio_buffer_t buffer )
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nkeynes@66 | 55 | {
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nkeynes@66 | 56 | if( esd_handle != -1 ) {
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nkeynes@697 | 57 | write( esd_handle, buffer->data, buffer->length );
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nkeynes@697 | 58 | return TRUE;
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nkeynes@66 | 59 | } else {
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nkeynes@697 | 60 | ERROR( "ESD not initialized" );
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nkeynes@697 | 61 | return FALSE;
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nkeynes@66 | 62 | }
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nkeynes@66 | 63 | }
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nkeynes@66 | 64 |
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nkeynes@1024 | 65 | static gboolean audio_esd_shutdown()
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bhaal22@643 | 66 | {
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nkeynes@697 | 67 | close(esd_handle);
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nkeynes@697 | 68 | esd_handle = -1;
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nkeynes@697 | 69 | return TRUE;
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bhaal22@643 | 70 | }
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nkeynes@66 | 71 |
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nkeynes@1024 | 72 | static struct audio_driver audio_esd_driver = {
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nkeynes@700 | 73 | "esd",
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nkeynes@700 | 74 | N_("Enlightened Sound Daemon driver"),
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nkeynes@1024 | 75 | 30,
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nkeynes@697 | 76 | DEFAULT_SAMPLE_RATE,
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nkeynes@697 | 77 | DEFAULT_SAMPLE_FORMAT,
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nkeynes@697 | 78 | audio_esd_init,
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nkeynes@697 | 79 | NULL,
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nkeynes@697 | 80 | audio_esd_process_buffer,
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nkeynes@697 | 81 | NULL,
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nkeynes@697 | 82 | audio_esd_shutdown};
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bhaal22@643 | 83 |
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nkeynes@1024 | 84 | AUDIO_DRIVER( "esd", audio_esd_driver );
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