filename | src/drivers/audio_pulse.c |
changeset | 736:a02d1475ccfd |
prev | 710:f6eaa3bcfa5b |
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author | nkeynes |
date | Tue Jun 02 23:16:26 2009 +0000 (14 years ago) |
permissions | -rw-r--r-- |
last change | "MythTV" patch from Wahrhaft, thanks!: * Add support for LIRC input devices * Add hotkey input support * Add command-line option for immediate fullscreen |
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nkeynes@657 | 1 | /** |
nkeynes@663 | 2 | * $Id$ |
nkeynes@657 | 3 | * |
nkeynes@657 | 4 | * The pulseaudio sound driver |
nkeynes@657 | 5 | * |
nkeynes@657 | 6 | * Copyright (c) 2005 Nathan Keynes. |
nkeynes@657 | 7 | * |
nkeynes@657 | 8 | * This program is free software; you can redistribute it and/or modify |
nkeynes@657 | 9 | * it under the terms of the GNU General Public License as published by |
nkeynes@657 | 10 | * the Free Software Foundation; either version 2 of the License, or |
nkeynes@657 | 11 | * (at your option) any later version. |
nkeynes@657 | 12 | * |
nkeynes@657 | 13 | * This program is distributed in the hope that it will be useful, |
nkeynes@657 | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
nkeynes@657 | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
nkeynes@657 | 16 | * GNU General Public License for more details. |
nkeynes@657 | 17 | */ |
nkeynes@657 | 18 | #include <stdio.h> |
nkeynes@657 | 19 | #include <unistd.h> |
nkeynes@657 | 20 | #include <pulse/simple.h> |
nkeynes@657 | 21 | #include "aica/audio.h" |
nkeynes@657 | 22 | #include "lxdream.h" |
nkeynes@657 | 23 | |
nkeynes@657 | 24 | static pa_simple *pulse_server = NULL; |
nkeynes@657 | 25 | |
nkeynes@710 | 26 | gboolean audio_pulse_init( ) |
nkeynes@657 | 27 | { |
nkeynes@697 | 28 | int rate = DEFAULT_SAMPLE_RATE; |
nkeynes@697 | 29 | int format = DEFAULT_SAMPLE_FORMAT; |
nkeynes@657 | 30 | pa_sample_spec ss; |
nkeynes@657 | 31 | |
nkeynes@657 | 32 | if( pulse_server != NULL ) { |
nkeynes@657 | 33 | pa_simple_free(pulse_server); |
nkeynes@657 | 34 | } |
nkeynes@657 | 35 | ss.rate = rate; |
nkeynes@657 | 36 | |
nkeynes@657 | 37 | if( format & AUDIO_FMT_16BIT ) { |
nkeynes@657 | 38 | ss.format = PA_SAMPLE_S16NE; |
nkeynes@657 | 39 | } else { |
nkeynes@657 | 40 | ss.format = PA_SAMPLE_U8; |
nkeynes@657 | 41 | } |
nkeynes@736 | 42 | |
nkeynes@657 | 43 | if( format & AUDIO_FMT_STEREO ) { |
nkeynes@736 | 44 | ss.channels = 2; |
nkeynes@657 | 45 | } else { |
nkeynes@657 | 46 | ss.channels = 1; |
nkeynes@657 | 47 | } |
nkeynes@657 | 48 | |
nkeynes@657 | 49 | pulse_server = pa_simple_new(NULL, APP_NAME, PA_STREAM_PLAYBACK, |
nkeynes@736 | 50 | NULL, "Audio", &ss, NULL, NULL, NULL); |
nkeynes@657 | 51 | if( pulse_server == NULL ) { |
nkeynes@736 | 52 | ERROR( "Unable to open audio output (pulseaudio)" ); |
nkeynes@736 | 53 | return FALSE; |
nkeynes@657 | 54 | } |
nkeynes@657 | 55 | return TRUE; |
nkeynes@657 | 56 | } |
nkeynes@657 | 57 | |
nkeynes@657 | 58 | gboolean audio_pulse_process_buffer( audio_buffer_t buffer ) |
nkeynes@657 | 59 | { |
nkeynes@657 | 60 | if( pulse_server != NULL ) { |
nkeynes@657 | 61 | int error; |
nkeynes@657 | 62 | pa_simple_write( pulse_server, buffer->data, buffer->length, &error ); |
nkeynes@736 | 63 | return TRUE; |
nkeynes@657 | 64 | } else { |
nkeynes@736 | 65 | ERROR( "Pulseaudio not initialized" ); |
nkeynes@736 | 66 | return FALSE; |
nkeynes@657 | 67 | } |
nkeynes@657 | 68 | } |
nkeynes@657 | 69 | |
nkeynes@697 | 70 | gboolean audio_pulse_shutdown() |
nkeynes@657 | 71 | { |
nkeynes@736 | 72 | pa_simple_free(pulse_server); |
nkeynes@736 | 73 | pulse_server = NULL; |
nkeynes@736 | 74 | return TRUE; |
nkeynes@657 | 75 | } |
nkeynes@657 | 76 | |
nkeynes@700 | 77 | struct audio_driver audio_pulse_driver = { |
nkeynes@700 | 78 | "pulse", |
nkeynes@700 | 79 | N_("PulseAudio sound server driver"), |
nkeynes@697 | 80 | DEFAULT_SAMPLE_RATE, |
nkeynes@697 | 81 | DEFAULT_SAMPLE_FORMAT, |
nkeynes@697 | 82 | audio_pulse_init, |
nkeynes@697 | 83 | NULL, |
nkeynes@697 | 84 | audio_pulse_process_buffer, |
nkeynes@697 | 85 | NULL, |
nkeynes@697 | 86 | audio_pulse_shutdown}; |
nkeynes@657 | 87 |
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