aout_instance_t * p_aout;
/* Allocate descriptor. */
- p_aout = vlc_object_create( p_parent, VLC_OBJECT_AOUT );
+ p_aout = vlc_custom_create( p_parent, sizeof( *p_aout ), VLC_OBJECT_AOUT,
+ "audio output" );
if( p_aout == NULL )
{
return NULL;
/* Initialize members. */
vlc_mutex_init( &p_aout->input_fifos_lock );
vlc_mutex_init( &p_aout->mixer_lock );
+ vlc_mutex_init( &p_aout->volume_vars_lock );
vlc_mutex_init( &p_aout->output_fifo_lock );
p_aout->i_nb_inputs = 0;
p_aout->mixer_multiplier = 1.0;
vlc_object_set_destructor( p_aout, aout_Destructor );
+ vlc_object_attach( p_aout, p_parent );
+
return p_aout;
}
aout_instance_t * p_aout = (aout_instance_t *)p_this;
vlc_mutex_destroy( &p_aout->input_fifos_lock );
vlc_mutex_destroy( &p_aout->mixer_lock );
+ vlc_mutex_destroy( &p_aout->volume_vars_lock );
vlc_mutex_destroy( &p_aout->output_fifo_lock );
}
/* Lock ordering rules:
*
- * Mixer Input IFIFO OFIFO (< Inner lock)
- * Mixer No! N/A Yes Yes
- * Input N/A No! Yes N/A
- * In FIFOs No! No! No! Yes
- * Out FIFOs No! N/A No! No!
+ * Vars Mixer Input IFIFO OFIFO (< Inner lock)
+ * Vars No! Yes Yes Yes Yes
+ * Mixer No! No! Yes Yes Yes
+ * Input No! No! No! Yes Yes
+ * In FIFOs No! No! No! No! Yes
+ * Out FIFOs No! No! No! No! No!
* (^ Outer lock)
*/
#ifdef AOUT_DEBUG
unsigned allowed;
switch (i)
{
- case MIXER_LOCK:
+ case VOLUME_VARS_LOCK:
allowed = 0;
break;
+ case MIXER_LOCK:
+ allowed = VOLUME_VARS_LOCK;
+ break;
case INPUT_LOCK:
- allowed = 0;
+ allowed = VOLUME_VARS_LOCK|MIXER_LOCK;
break;
case INPUT_FIFO_LOCK:
- allowed = MIXER_LOCK|INPUT_LOCK;
+ allowed = VOLUME_VARS_LOCK|MIXER_LOCK|INPUT_LOCK;
break;
case OUTPUT_FIFO_LOCK:
- allowed = MIXER_LOCK|INPUT_FIFO_LOCK;
+ allowed = VOLUME_VARS_LOCK|MIXER_LOCK|INPUT_LOCK|INPUT_FIFO_LOCK;
break;
+ default:
+ abort ();
}
if (aout_locks & ~allowed)
*****************************************************************************/
unsigned int aout_BitsPerSample( vlc_fourcc_t i_format )
{
- switch( i_format )
+ switch( vlc_fourcc_GetCodec( AUDIO_ES, i_format ) )
{
case VLC_CODEC_U8:
case VLC_CODEC_S8:
case VLC_CODEC_S32L:
case VLC_CODEC_S32B:
- case VLC_CODEC_FL32:
+ case VLC_CODEC_F32L:
+ case VLC_CODEC_F32B:
case VLC_CODEC_FI32:
return 32;
- case VLC_CODEC_FL64:
+ case VLC_CODEC_F64L:
+ case VLC_CODEC_F64B:
return 64;
default:
*****************************************************************************/
void aout_FormatPrepare( audio_sample_format_t * p_format )
{
+ p_format->i_channels = aout_FormatNbChannels( p_format );
p_format->i_bitspersample = aout_BitsPerSample( p_format->i_format );
if( p_format->i_bitspersample > 0 )
{
return block_Alloc( i_alloc_size );
}
+
+
+/* This function will add or remove a a module from a string list (colon
+ * separated). It will return true if there is a modification
+ * In case p_aout is NULL, we will use configuration instead of variable */
+bool aout_ChangeFilterString( vlc_object_t *p_obj, aout_instance_t *p_aout,
+ const char *psz_variable,
+ const char *psz_name, bool b_add )
+{
+ char *psz_val;
+ char *psz_parser;
+
+ if( *psz_name == '\0' )
+ return false;
+
+ if( p_aout )
+ psz_val = var_GetString( p_aout, psz_variable );
+ else
+ {
+ psz_val = var_CreateGetString( p_obj->p_libvlc, psz_variable );
+ var_Destroy( p_obj->p_libvlc, psz_variable );
+ }
+
+ if( !psz_val )
+ psz_val = strdup( "" );
+
+ psz_parser = strstr( psz_val, psz_name );
+
+ if( ( b_add && psz_parser ) || ( !b_add && !psz_parser ) )
+ {
+ /* Nothing to do */
+ free( psz_val );
+ return false;
+ }
+
+ if( b_add )
+ {
+ char *psz_old = psz_val;
+ if( *psz_old )
+ {
+ if( asprintf( &psz_val, "%s:%s", psz_old, psz_name ) == -1 )
+ psz_val = NULL;
+ }
+ else
+ psz_val = strdup( psz_name );
+ free( psz_old );
+ }
+ else
+ {
+ const int i_name = strlen( psz_name );
+ const char *psz_next;
+
+ psz_next = &psz_parser[i_name];
+ if( *psz_next == ':' )
+ psz_next++;
+
+ memmove( psz_parser, psz_next, strlen(psz_next)+1 );
+ }
+
+ if( p_aout )
+ var_SetString( p_aout, psz_variable, psz_val );
+ else
+ config_PutPsz( p_obj, psz_variable, psz_val );
+ free( psz_val );
+ return true;
+}