Commit 9ef7e90e authored by Laurent Aimar's avatar Laurent Aimar

Used a weaker lock scheme for input_resource_HoldAout.

parent 01bec007
......@@ -51,7 +51,6 @@ struct input_resource_t
sout_instance_t *p_sout;
vout_thread_t *p_vout_free;
aout_instance_t *p_aout;
/* This lock is used to protect vout resources access (for hold)
* It is a special case because of embed video (possible deadlock
......@@ -61,8 +60,11 @@ struct input_resource_t
/* You need lock+lock_hold to write to the following variables and
* only lock or lock_hold to read them */
int i_vout;
vout_thread_t **pp_vout;
aout_instance_t *p_aout;
};
/* */
......@@ -324,9 +326,13 @@ static void DestroyAout( input_resource_t *p_resource )
}
static aout_instance_t *DetachAout( input_resource_t *p_resource )
{
vlc_mutex_lock( &p_resource->lock_hold );
aout_instance_t *p_aout = p_resource->p_aout;
p_resource->p_aout = NULL;
vlc_mutex_unlock( &p_resource->lock_hold );
return p_aout;
}
......@@ -342,34 +348,40 @@ static aout_instance_t *RequestAout( input_resource_t *p_resource, aout_instance
}
else
{
if( !p_resource->p_aout )
p_aout = p_resource->p_aout;
if( !p_aout )
{
msg_Dbg( p_resource->p_input, "creating aout" );
p_resource->p_aout = aout_New( p_resource->p_input );
p_aout = aout_New( p_resource->p_input );
vlc_mutex_lock( &p_resource->lock_hold );
p_resource->p_aout = p_aout;
vlc_mutex_unlock( &p_resource->lock_hold );
}
else
{
msg_Dbg( p_resource->p_input, "reusing aout" );
}
if( !p_resource->p_aout )
if( !p_aout )
return NULL;
vlc_object_detach( p_resource->p_aout );
vlc_object_attach( p_resource->p_aout, p_resource->p_input );
vlc_object_hold( p_resource->p_aout );
return p_resource->p_aout;
vlc_object_detach( p_aout );
vlc_object_attach( p_aout, p_resource->p_input );
vlc_object_hold( p_aout );
return p_aout;
}
}
static aout_instance_t *HoldAout( input_resource_t *p_resource )
{
if( !p_resource->p_aout )
return NULL;
vlc_mutex_lock( &p_resource->lock_hold );
aout_instance_t *p_aout = p_resource->p_aout;
if( p_aout )
vlc_object_hold( p_aout );
vlc_mutex_unlock( &p_resource->lock_hold );
return p_aout;
}
......
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