+VLC_EXPORT( aout_buffer_t *, aout_OutputNextBuffer, ( aout_instance_t *, mtime_t, vlc_bool_t ) );
+
+/* From common.c : */
+VLC_EXPORT( unsigned int, aout_FormatNbChannels, ( const audio_sample_format_t * p_format ) );
+VLC_EXPORT( void, aout_FormatPrepare, ( audio_sample_format_t * p_format ) );
+VLC_EXPORT( void, aout_FormatPrint, ( aout_instance_t * p_aout, const char * psz_text, const audio_sample_format_t * p_format ) );
+VLC_EXPORT( void, aout_FormatsPrint, ( aout_instance_t * p_aout, const char * psz_text, const audio_sample_format_t * p_format1, const audio_sample_format_t * p_format2 ) );
+VLC_EXPORT( const char *, aout_FormatPrintChannels, ( const audio_sample_format_t * ) );
+void aout_FifoInit( aout_instance_t *, aout_fifo_t *, uint32_t );
+mtime_t aout_FifoNextStart( aout_instance_t *, aout_fifo_t * );
+void aout_FifoPush( aout_instance_t *, aout_fifo_t *, aout_buffer_t * );
+void aout_FifoSet( aout_instance_t *, aout_fifo_t *, mtime_t );
+void aout_FifoMoveDates( aout_instance_t *, aout_fifo_t *, mtime_t );
+VLC_EXPORT( aout_buffer_t *, aout_FifoPop, ( aout_instance_t * p_aout, aout_fifo_t * p_fifo ) );
+void aout_FifoDestroy( aout_instance_t * p_aout, aout_fifo_t * p_fifo );
+VLC_EXPORT( mtime_t, aout_FifoFirstDate, ( aout_instance_t *, aout_fifo_t * ) );
+
+/* From intf.c :*/
+VLC_EXPORT( void, aout_VolumeSoftInit, ( aout_instance_t * ) );
+int aout_VolumeSoftGet( aout_instance_t *, audio_volume_t * );
+int aout_VolumeSoftSet( aout_instance_t *, audio_volume_t );
+int aout_VolumeSoftInfos( aout_instance_t *, audio_volume_t * );
+VLC_EXPORT( void, aout_VolumeNoneInit, ( aout_instance_t * ) );
+int aout_VolumeNoneGet( aout_instance_t *, audio_volume_t * );
+int aout_VolumeNoneSet( aout_instance_t *, audio_volume_t );
+int aout_VolumeNoneInfos( aout_instance_t *, audio_volume_t * );