151 lines
3.5 KiB
C
151 lines
3.5 KiB
C
/*
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$Id: audio.c,v 1.1 2005/03/01 00:49:24 rocky Exp $
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Copyright (C) 2005 Rocky Bernstein <rocky@panix.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*! Audio (via line output) related routines. */
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <cdio/cdio.h>
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#include <cdio/audio.h>
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#include "cdio_private.h"
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/*!
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Get volume of an audio CD.
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@param p_cdio the CD object to be acted upon.
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*/
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driver_return_code_t
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cdio_audio_get_volume (CdIo_t *p_cdio, /*out*/ cdio_audio_volume_t *p_volume)
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{
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if (!p_cdio) return DRIVER_OP_UNINIT;
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if (!p_cdio->op.audio_get_volume) {
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return p_cdio->op.audio_get_volume (p_cdio->env, p_volume);
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} else {
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return DRIVER_OP_UNSUPPORTED;
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}
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}
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/*!
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Playing CD through analog output
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@param p_cdio the CD object to be acted upon.
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*/
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driver_return_code_t
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cdio_audio_pause (CdIo_t *p_cdio)
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{
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if (!p_cdio) return DRIVER_OP_UNINIT;
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if (!p_cdio->op.audio_pause) {
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return p_cdio->op.audio_pause (p_cdio->env);
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} else {
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return DRIVER_OP_UNSUPPORTED;
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}
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}
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/*!
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Playing CD through analog output at the given MSF.
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@param p_cdio the CD object to be acted upon.
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*/
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driver_return_code_t
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cdio_audio_play_msf (CdIo_t *p_cdio, msf_t *p_msf)
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{
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if (!p_cdio) return DRIVER_OP_UNINIT;
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if (!p_cdio->op.audio_play_msf) {
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return p_cdio->op.audio_play_msf (p_cdio->env, p_msf);
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} else {
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return DRIVER_OP_UNSUPPORTED;
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}
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}
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/*!
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Playing CD through analog output
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@param p_cdio the CD object to be acted upon.
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*/
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driver_return_code_t
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cdio_audio_play_track_index (CdIo_t *p_cdio, cdio_track_index_t *p_track_index)
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{
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if (!p_cdio) return DRIVER_OP_UNINIT;
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if (!p_cdio->op.audio_play_track_index) {
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return p_cdio->op.audio_play_track_index (p_cdio->env, p_track_index);
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} else {
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return DRIVER_OP_UNSUPPORTED;
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}
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}
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/*!
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Get subchannel information.
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@param p_cdio the CD object to be acted upon.
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*/
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driver_return_code_t
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cdio_audio_read_subchannel (CdIo_t *p_cdio, cdio_subchannel_t *p_subchannel)
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{
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if (!p_cdio) return DRIVER_OP_UNINIT;
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if (!p_cdio->op.audio_read_subchannel) {
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return p_cdio->op.audio_read_subchannel(p_cdio->env, p_subchannel);
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} else {
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return DRIVER_OP_UNSUPPORTED;
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}
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}
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/*!
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Resume playing an audio CD.
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@param p_cdio the CD object to be acted upon.
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*/
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driver_return_code_t
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cdio_audio_resume (CdIo_t *p_cdio)
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{
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if (!p_cdio) return DRIVER_OP_UNINIT;
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if (!p_cdio->op.audio_resume) {
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return p_cdio->op.audio_resume(p_cdio->env);
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} else {
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return DRIVER_OP_UNSUPPORTED;
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}
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}
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/*!
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Set volume of an audio CD.
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@param p_cdio the CD object to be acted upon.
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*/
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driver_return_code_t
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cdio_audio_set_volume (CdIo_t *p_cdio, const cdio_audio_volume_t *p_volume)
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{
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if (!p_cdio) return DRIVER_OP_UNINIT;
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if (!p_cdio->op.audio_set_volume) {
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return p_cdio->op.audio_set_volume(p_cdio->env, p_volume);
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} else {
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return DRIVER_OP_UNSUPPORTED;
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}
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}
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