[vlc-devel] commit: Revert " No need to create an object to handle the lock is such a simple case." ( Rémi Duraffort )
git version control
git at videolan.org
Thu Jun 18 15:28:11 CEST 2009
vlc | branch: master | Rémi Duraffort <ivoire at videolan.org> | Thu Jun 18 15:25:13 2009 +0200| [9ff188c7e111241007e3934804eb55663f7fc422] | committer: Rémi Duraffort
Revert "No need to create an object to handle the lock is such a simple case."
This reverts commit f001a156e79ba8e9c2c4f2b62330b9e155c1ec33.
This is usually a good practice. Moreover compare to locking and unlocking the
potential overhead is really small.
> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=9ff188c7e111241007e3934804eb55663f7fc422
---
modules/audio_filter/spatializer/spatializer.cpp | 102 +++++++++++-----------
1 files changed, 51 insertions(+), 51 deletions(-)
diff --git a/modules/audio_filter/spatializer/spatializer.cpp b/modules/audio_filter/spatializer/spatializer.cpp
index 836e8ca..92318d6 100644
--- a/modules/audio_filter/spatializer/spatializer.cpp
+++ b/modules/audio_filter/spatializer/spatializer.cpp
@@ -9,19 +9,19 @@
*
* Mentor : Jean-Baptiste Kempf <jb at videolan.org>
*
- * 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 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.
+ * 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., 51
- * Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
@@ -49,7 +49,7 @@ static void Close( vlc_object_t * );
#define ROOMSIZE_TEXT N_("Room size")
#define ROOMSIZE_LONGTEXT N_("Defines the virtual surface of the room" \
- "emulated by the filter." )
+ "emulated by the filter." )
#define WIDTH_TEXT N_("Room width")
#define WIDTH_LONGTEXT N_("Width of the virtual room")
@@ -90,6 +90,21 @@ struct aout_filter_sys_t
};
+class CLocker
+{
+public:
+ CLocker( vlc_mutex_t *p_lock_to_manage ) : p_lock(p_lock_to_manage)
+ {
+ vlc_mutex_lock( p_lock );
+ }
+ virtual ~CLocker()
+ {
+ vlc_mutex_unlock( p_lock );
+ }
+private:
+ vlc_mutex_t *p_lock;
+};
+
static const char *psz_control_names[] =
{
"spatializer-roomsize", "spatializer-width" ,
@@ -158,10 +173,10 @@ static int Open( vlc_object_t *p_this )
/* Init the variables */
p_sys->p_reverbm = new revmodel();
p_sys->p_reverbm->setroomsize( var_CreateGetFloatCommand( p_aout, psz_control_names[0] ) );
- p_sys->p_reverbm->setwidth ( var_CreateGetFloatCommand( p_aout, psz_control_names[1] ) );
- p_sys->p_reverbm->setwet ( var_CreateGetFloatCommand( p_aout, psz_control_names[2] ) );
- p_sys->p_reverbm->setdry ( var_CreateGetFloatCommand( p_aout, psz_control_names[3] ) );
- p_sys->p_reverbm->setdamp ( var_CreateGetFloatCommand( p_aout, psz_control_names[4] ));
+ p_sys->p_reverbm->setwidth( var_CreateGetFloatCommand( p_aout, psz_control_names[1] ) );
+ p_sys->p_reverbm->setwet( var_CreateGetFloatCommand( p_aout, psz_control_names[2] ) );
+ p_sys->p_reverbm->setdry( var_CreateGetFloatCommand( p_aout, psz_control_names[3] ) );
+ p_sys->p_reverbm->setdamp( var_CreateGetFloatCommand( p_aout, psz_control_names[4] ));
/* Add the callbacks */
var_AddCallback( p_aout, psz_control_names[0], RoomCallback, p_sys );
@@ -210,16 +225,16 @@ static void DoWork( aout_instance_t * p_aout, aout_filter_t * p_filter,
}
static void SpatFilter( aout_instance_t *p_aout,
- aout_filter_t *p_filter, float *out, float *in,
- int i_samples, int i_channels )
+ aout_filter_t *p_filter, float *out, float *in,
+ int i_samples, int i_channels )
{
- (void)p_aout;
aout_filter_sys_t *p_sys = p_filter->p_sys;
+ CLocker locker( &p_sys->lock );
- vlc_mutex_lock( &p_sys->lock );
- for( int i = 0; i < i_samples; i++ )
+ int i, ch;
+ for( i = 0; i < i_samples; i++ )
{
- for( int ch = 0 ; ch < 2; ch++)
+ for( ch = 0 ; ch < 2; ch++)
{
in[ch] = in[ch] * SPAT_AMP;
}
@@ -227,68 +242,56 @@ static void SpatFilter( aout_instance_t *p_aout,
in += i_channels;
out += i_channels;
}
- vlc_mutex_unlock( &p_sys->lock );
}
/*****************************************************************************
* Variables callbacks
*****************************************************************************/
+
static int RoomCallback( vlc_object_t *p_this, char const *psz_cmd,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
(void)psz_cmd; (void)oldval;
aout_filter_sys_t *p_sys = (aout_filter_sys_t*)p_data;
+ CLocker locker( &p_sys->lock );
+ p_sys->p_reverbm->setroomsize(newval.f_float);
msg_Dbg( p_this, "room size is now %3.1f", newval.f_float );
-
- vlc_mutex_lock( &p_sys->lock );
- p_sys->p_reverbm->setroomsize( newval.f_float );
- vlc_mutex_unlock( &p_sys->lock );
-
return VLC_SUCCESS;
}
static int WidthCallback( vlc_object_t *p_this, char const *psz_cmd,
- vlc_value_t oldval, vlc_value_t newval, void *p_data )
+ vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
(void)psz_cmd; (void)oldval;
aout_filter_sys_t *p_sys = (aout_filter_sys_t*)p_data;
+ CLocker locker( &p_sys->lock );
+ p_sys->p_reverbm->setwidth(newval.f_float);
msg_Dbg( p_this, "width is now %3.1f", newval.f_float );
-
- vlc_mutex_lock( &p_sys->lock );
- p_sys->p_reverbm->setwidth( newval.f_float );
- vlc_mutex_unlock( &p_sys->lock );
-
return VLC_SUCCESS;
}
static int WetCallback( vlc_object_t *p_this, char const *psz_cmd,
- vlc_value_t oldval, vlc_value_t newval, void *p_data )
+ vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
(void)psz_cmd; (void)oldval;
aout_filter_sys_t *p_sys = (aout_filter_sys_t*)p_data;
+ CLocker locker( &p_sys->lock );
+ p_sys->p_reverbm->setwet(newval.f_float);
msg_Dbg( p_this, "'wet' value is now %3.1f", newval.f_float );
-
- vlc_mutex_lock( &p_sys->lock );
- p_sys->p_reverbm->setwet( newval.f_float );
- vlc_mutex_unlock( &p_sys->lock );
-
return VLC_SUCCESS;
}
static int DryCallback( vlc_object_t *p_this, char const *psz_cmd,
- vlc_value_t oldval, vlc_value_t newval, void *p_data )
+ vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
(void)psz_cmd; (void)oldval;
aout_filter_sys_t *p_sys = (aout_filter_sys_t*)p_data;
+ CLocker locker( &p_sys->lock );
+ p_sys->p_reverbm->setdry(newval.f_float);
msg_Dbg( p_this, "'dry' value is now %3.1f", newval.f_float );
-
- vlc_mutex_lock( &p_sys->lock );
- p_sys->p_reverbm->setdry( newval.f_float );
- vlc_mutex_unlock( &p_sys->lock );
-
return VLC_SUCCESS;
}
static int DampCallback( vlc_object_t *p_this, char const *psz_cmd,
@@ -296,13 +299,10 @@ static int DampCallback( vlc_object_t *p_this, char const *psz_cmd,
{
(void)psz_cmd; (void)oldval;
aout_filter_sys_t *p_sys = (aout_filter_sys_t*)p_data;
+ CLocker locker( &p_sys->lock );
+ p_sys->p_reverbm->setdamp(newval.f_float);
msg_Dbg( p_this, "'damp' value is now %3.1f", newval.f_float );
-
- vlc_mutex_lock( &p_sys->lock );
- p_sys->p_reverbm->setdamp( newval.f_float );
- vlc_mutex_unlock( &p_sys->lock );
-
return VLC_SUCCESS;
}
More information about the vlc-devel
mailing list