X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=filter.h;h=15bfaf8cdb0c2533c463fe8272d21e5528b80dbd;hp=712f1e5bac58bada5fdaadc80a99cdbbebe7d10b;hb=bb6721e17e741b7ea52fbf88661d2b177bed72c3;hpb=6bdac07456cb5872f824028912d1049883a9c21f diff --git a/filter.h b/filter.h index 712f1e5b..15bfaf8c 100644 --- a/filter.h +++ b/filter.h @@ -59,13 +59,13 @@ struct filter_chain { * buffer used to read from stdin for para_filter; the output buffer of the * current receiver for para_audiod). */ - char *inbuf; + char **inbufp; /** * The output buffer of the filter chain. * * Points to the output buffer of the last filter in the filter chain. */ - char *outbuf; + char **outbufp; /** Contains the number of bytes loaded in the input buffer. */ size_t *in_loaded; /** Contains the number of bytes loaded in the output buffer. */ @@ -95,18 +95,10 @@ struct filter_chain { struct filter_callback { /** All callbacks are organized in a doubly linked list. */ struct list_head node; - /** - * Private data. - * - * May be initialized by the application before registering the callback. This - * pointer is not used by the filter subsystem. It is provided for use within - * the input/output/close callback functions. - */ - void *data; /** * The input callback. * - * In not \p NULL, the filter subsystem calls this function whenever the filter + * If not \p NULL, the filter subsystem calls this function whenever the filter * consumed some or all of its input buffer. A pointer to the buffer of consumed * data, its length and a pointer to the own \a filter_callback structure are passed * to \a input_cb. The input callback is expected to return a negative value on errors. @@ -197,13 +189,14 @@ struct filter { */ int (*parse_config)(int argc, char **argv, void **config); + /** The help texts for this filter. */ struct ggo_help help; }; void close_filters(struct filter_chain *fc); -void filter_init(struct filter *all_filters); +void filter_init(void); int check_filter_arg(char *filter_arg, void **conf); -void filter_pre_select(__a_unused struct sched *s, struct task *t); +void filter_post_select(__a_unused struct sched *s, struct task *t); void print_filter_helps(int detailed); static inline void write_int16_host_endian(char *buf, int val)