X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=filter.h;h=39cec9ba03f4cbee46497b43fda7bdebc7b63dbb;hp=2d1c150afdda6add9bb498c625889fdcbdda5ea3;hb=d9e608504d9d0e71380907559546e211c4f0ce55;hpb=b779fcfc62bca2e728348c70bab3c50df3fe63b8

diff --git a/filter.h b/filter.h
index 2d1c150a..39cec9ba 100644
--- a/filter.h
+++ b/filter.h
@@ -4,8 +4,10 @@
  * 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.
@@ -141,7 +143,7 @@ struct filter_callback {
  * 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. */
@@ -220,55 +222,9 @@ static inline void write_int16_host_endian(char *buf, int val)
 #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];