callback.c
上传用户:riyaled888
上传日期:2009-03-27
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文件大小:4k
- /*****************************************************************************
- * callback.c : Callbacks for CD digital audio input module
- *****************************************************************************
- * Copyright (C) 2004 VideoLAN
- * $Id: callback.c 8606 2004-08-31 18:32:54Z rocky $
- *
- * Authors: Rocky Bernstein <rocky@panix.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
- *****************************************************************************/
- #include "callback.h"
- #include "cdda.h"
- int
- E_(CDDADebugCB) ( vlc_object_t *p_this, const char *psz_name,
- vlc_value_t oldval, vlc_value_t val, void *p_data )
- {
- cdda_data_t *p_cdda;
- if (NULL == p_cdda_input) return VLC_EGENERIC;
- p_cdda = (cdda_data_t *)p_cdda_input->p_sys;
- if (p_cdda->i_debug & (INPUT_DBG_CALL|INPUT_DBG_EXT)) {
- msg_Dbg( p_cdda_input, "Old debug (x%0x) %d, new debug (x%0x) %d",
- p_cdda->i_debug, p_cdda->i_debug, val.i_int, val.i_int);
- }
- p_cdda->i_debug = val.i_int;
- return VLC_SUCCESS;
- }
- /* FIXME: could probably shorten some of the below boilerplate code...
- */
- int
- E_(CDDBEnabledCB) ( vlc_object_t *p_this, const char *psz_name,
- vlc_value_t oldval, vlc_value_t val, void *p_data )
- {
- cdda_data_t *p_cdda;
- if (NULL == p_cdda_input) return VLC_EGENERIC;
- p_cdda = (cdda_data_t *)p_cdda_input->p_sys;
- #ifdef HAVE_LIBCDDB
- if (p_cdda->i_debug & (INPUT_DBG_CALL|INPUT_DBG_EXT)) {
- msg_Dbg( p_cdda_input, "Old CDDB Enabled (x%0x) %d, new (x%0x) %d",
- p_cdda->b_cddb_enabled, p_cdda->b_cddb_enabled,
- val.b_bool, val.b_bool);
- }
- p_cdda->b_cddb_enabled = val.b_bool;
- #endif
- return VLC_SUCCESS;
- }
- int
- E_(CDTextEnabledCB) ( vlc_object_t *p_this, const char *psz_name,
- vlc_value_t oldval, vlc_value_t val, void *p_data )
- {
- cdda_data_t *p_cdda;
- if (NULL == p_cdda_input) return VLC_EGENERIC;
- p_cdda = (cdda_data_t *)p_cdda_input->p_sys;
- if (p_cdda->i_debug & (INPUT_DBG_CALL|INPUT_DBG_EXT)) {
- msg_Dbg( p_cdda_input, "Old CDText Enabled (x%0x) %d, new (x%0x) %d",
- p_cdda->b_cdtext_enabled, p_cdda->b_cdtext_enabled,
- val.b_bool, val.b_bool);
- }
- p_cdda->b_cdtext_enabled = val.b_bool;
- return VLC_SUCCESS;
- }
- int
- E_(CDTextPreferCB) ( vlc_object_t *p_this, const char *psz_name,
- vlc_value_t oldval, vlc_value_t val, void *p_data )
- {
- cdda_data_t *p_cdda;
- if (NULL == p_cdda_input) return VLC_EGENERIC;
- p_cdda = (cdda_data_t *)p_cdda_input->p_sys;
- #ifdef HAVE_LIBCDDB
- if (p_cdda->i_debug & (INPUT_DBG_CALL|INPUT_DBG_EXT)) {
- msg_Dbg( p_cdda_input, "Old CDText Prefer (x%0x) %d, new (x%0x) %d",
- p_cdda->b_cdtext_prefer, p_cdda->b_cdtext_prefer,
- val.b_bool, val.b_bool);
- }
- p_cdda->b_cdtext_prefer = val.b_bool;
- #endif
- return VLC_SUCCESS;
- }
- int
- E_(CDDABlocksPerReadCB) ( vlc_object_t *p_this, const char *psz_name,
- vlc_value_t oldval, vlc_value_t val, void *p_data )
- {
- cdda_data_t *p_cdda;
- if (NULL == p_cdda_input) return VLC_EGENERIC;
- p_cdda = (cdda_data_t *)p_cdda_input->p_sys;
- if (p_cdda->i_debug & (INPUT_DBG_CALL|INPUT_DBG_EXT)) {
- msg_Dbg( p_cdda_input, "Old blocks per read: %d, new %d",
- p_cdda->i_blocks_per_read, val.i_int);
- }
- if (0 == val.i_int) val.i_int = DEFAULT_BLOCKS_PER_READ;
- if ( val.i_int >= MIN_BLOCKS_PER_READ && val.i_int <= MAX_BLOCKS_PER_READ )
- p_cdda->i_blocks_per_read = val.i_int;
- else {
- msg_Warn( p_cdda_input,
- "Number of blocks (%d) has to be between %d and %d. No change.",
- val.i_int, MIN_BLOCKS_PER_READ, MAX_BLOCKS_PER_READ );
- }
-
- return VLC_SUCCESS;
- }