+typedef struct filter_chain_t filter_chain_t;
+
+/**
+ * Create new filter chain
+ *
+ * \param p_object pointer to a vlc object
+ * \param psz_capability vlc capability of filters in filter chain
+ * \param b_allow_format_fmt_change allow changing of fmt
+ * \param pf_buffer_allocation_init callback function to initialize buffer allocations
+ * \param pf_buffer_allocation_clear callback function to clear buffer allocation initialization
+ * \param p_buffer_allocation_data pointer to private allocation data
+ * \return pointer to a filter chain
+ */
+VLC_EXPORT( filter_chain_t *, filter_chain_New, ( vlc_object_t *, const char *, bool, int (*)( filter_t *, void * ), void (*)( filter_t * ), void * ) LIBVLC_USED );
+#define filter_chain_New( a, b, c, d, e, f ) filter_chain_New( VLC_OBJECT( a ), b, c, d, e, f )
+
+/**
+ * Delete filter chain will delete all filters in the chain and free all
+ * allocated data. The pointer to the filter chain is then no longer valid.
+ *
+ * \param p_chain pointer to filter chain
+ */
+VLC_EXPORT( void, filter_chain_Delete, ( filter_chain_t * ) );
+
+/**
+ * Reset filter chain will delete all filters in the chain and
+ * reset p_fmt_in and p_fmt_out to the new values.
+ *
+ * \param p_chain pointer to filter chain
+ * \param p_fmt_in new fmt_in params
+ * \param p_fmt_out new fmt_out params
+ */
+VLC_EXPORT( void, filter_chain_Reset, ( filter_chain_t *, const es_format_t *, const es_format_t * ) );
+
+/**
+ * Append filter to the end of the chain.
+ *
+ * \param p_chain pointer to filter chain
+ * \param psz_name name of filter
+ * \param p_cfg
+ * \param p_fmt_in input es_format_t
+ * \param p_fmt_out output es_format_t
+ * \return pointer to filter chain
+ */
+VLC_EXPORT( filter_t *, filter_chain_AppendFilter, ( filter_chain_t *, const char *, config_chain_t *, const es_format_t *, const es_format_t * ) );
+
+/**
+ * Append new filter to filter chain from string.
+ *
+ * \param p_chain pointer to filter chain
+ * \param psz_string string of filters
+ * \return 0 for success
+ */
+VLC_EXPORT( int, filter_chain_AppendFromString, ( filter_chain_t *, const char * ) );
+
+/**
+ * Delete filter from filter chain. This function also releases the filter
+ * object and unloads the filter modules. The pointer to p_filter is no
+ * longer valid after this function successfully returns.
+ *
+ * \param p_chain pointer to filter chain
+ * \param p_filter pointer to filter object
+ * \return VLC_SUCCESS on succes, else VLC_EGENERIC
+ */
+VLC_EXPORT( int, filter_chain_DeleteFilter, ( filter_chain_t *, filter_t * ) );
+
+/**
+ * Get the number of filters in the filter chain.
+ *
+ * \param p_chain pointer to filter chain
+ * \return number of filters in this filter chain
+ */
+VLC_EXPORT( int, filter_chain_GetLength, ( filter_chain_t * ) );
+
+/**
+ * Get last p_fmt_out in the chain.
+ *
+ * \param p_chain pointer to filter chain
+ * \return last p_fmt (es_format_t) of this filter chain
+ */
+VLC_EXPORT( const es_format_t *, filter_chain_GetFmtOut, ( filter_chain_t * ) );
+
+/**
+ * Apply the filter chain to a video picture.
+ *
+ * \param p_chain pointer to filter chain
+ * \param p_picture picture to apply filters on
+ * \return modified picture after applying all video filters
+ */
+VLC_EXPORT( picture_t *, filter_chain_VideoFilter, ( filter_chain_t *, picture_t * ) );
+
+/**
+ * Flush a video filter chain.
+ */
+VLC_EXPORT( void, filter_chain_VideoFlush, ( filter_chain_t * ) );
+
+/**
+ * Apply the filter chain to a audio block.
+ *
+ * \param p_chain pointer to filter chain
+ * \param p_block audio frame to apply filters on
+ * \return modified audio frame after applying all audio filters
+ */
+VLC_EXPORT( block_t *, filter_chain_AudioFilter, ( filter_chain_t *, block_t * ) );
+
+/**
+ * Apply filter chain to subpictures.
+ *
+ * \param p_chain pointer to filter chain
+ * \param display_date of subpictures
+ */
+VLC_EXPORT( void, filter_chain_SubFilter, ( filter_chain_t *, mtime_t ) );
+
+/**
+ * Apply the filter chain to a mouse state.
+ *
+ * It will be applied from the output to the input. It makes sense only
+ * for a video filter chain.
+ *
+ * The vlc_mouse_t* pointers may be the same.
+ */
+VLC_EXPORT( int, filter_chain_MouseFilter, ( filter_chain_t *, vlc_mouse_t *, const vlc_mouse_t * ) );
+
+/**
+ * Inform the filter chain of mouse state.
+ *
+ * It makes sense only for a sub filter chain.
+ */
+VLC_EXPORT( int, filter_chain_MouseEvent, ( filter_chain_t *, const vlc_mouse_t *, const video_format_t * ) );
+