* Licensed under the GPL v2. For licencing details see COPYING.
*/
-/** \file filter.h Filter-related structures and exported symbols from filter_chain.c. */
+/** \file filter.h Filter-related structures and exported symbols from filter_common.c. */
+/** The list of supported filters. */
+enum filter_enum {FILTER_ENUM};
/**
* Describes one running instance of a filter.
* Note: As several instances of the same filter may be running at the same
* time, all these filter functions must be reentrant; no static non-constant
* variables may be used.
- * \sa mp3dec.c, oggdec.c, wav.c, compress.c, filter_node
+ * \sa mp3dec_filter.c, oggdec_filter.c, wav_filter.c, compress_filter.c, filter_node
*/
struct filter {
/** The name of the filter. */
#endif
}
+DECLARE_FILTER_INITS
-/** \cond */
-extern struct filter filters[];
-#define DECLARE_EXTERN_FILTER_INIT(name) \
- extern void name ## _init(struct filter *f)
-
-#define FILTER_INIT(filter) { \
- .name = #filter, \
- .init = filter ## _init, \
- .parse_config = NULL, \
- .print_help = NULL \
-},
-
-/* filters that are always present */
-DECLARE_EXTERN_FILTER_INIT(wav);
-DECLARE_EXTERN_FILTER_INIT(compress);
-DECLARE_EXTERN_FILTER_INIT(amp);
-
-/* next the optional filters */
-#ifdef HAVE_MAD
-DECLARE_EXTERN_FILTER_INIT(mp3dec);
-#define MP3DEC_FILTER FILTER_INIT(mp3dec)
-#else
-#define MP3DEC_FILTER
-#endif
-
-#ifdef HAVE_FAAD
-DECLARE_EXTERN_FILTER_INIT(aacdec);
-#define AACDEC_FILTER FILTER_INIT(aacdec)
-#else
-#define AACDEC_FILTER
-#endif
-
-#ifdef HAVE_OGGVORBIS
-DECLARE_EXTERN_FILTER_INIT(oggdec);
-#define OGGDEC_FILTER FILTER_INIT(oggdec)
-#else
-#define OGGDEC_FILTER
-#endif
-/** \endcond */
-
-/** define an array of all available filters */
-#define DEFINE_FILTER_ARRAY(filters) struct filter filters[] = { \
- FILTER_INIT(wav) \
- FILTER_INIT(compress) \
- FILTER_INIT(amp) \
- MP3DEC_FILTER \
- AACDEC_FILTER \
- OGGDEC_FILTER \
- { .name = NULL } };
-
+#define FOR_EACH_SUPPORTED_FILTER(j) for (j = 0; j < NUM_SUPPORTED_FILTERS; j++)
+/** The filter array, one structure for each supported filter. */
+extern struct filter filters[NUM_SUPPORTED_FILTERS];