compress filter: decrease default target signal level

[paraslash.git] / filter.h

diff --git a/filter.h b/filter.h
index 2fb9ad175fbeecaf816c4707e79d2fe96091461d..45ade8d3697f86001c900ea3c7fe6541a44d48f1 100644 (file)
--- a/filter.h
+++ b/filter.h
@@ -22,71 +22,67 @@
  * describes one running instance of a chain of filters
  *
  */
-struct filter_chain_info {
-/**
- *
- *
- * the number of channels of the current stream
- *
- * Set by the decoding filter
- */
-       unsigned int channels;
-/**
- *
- *
- * current samplerate in Hz
- *
- * Set by the decoding filter
- */
-       unsigned int samplerate;
-/**
- *
- *
- * the list containing all filter nodes in this filter chain
- */
-       struct list_head filters;
-/**
- *
- *
- * the input buffer of the filter chain
- *
- * This is set to point to the output buffer of the receiving application (the
- * buffer used to read from stdin for para_filter; the output buffer of the
- * current receiver for para_audiod)
- */
-       char *inbuf;
-/**
- *
- *
- * the output buffer of the filter chain
- *
- * Points to the output buffer of the last filter in the filter chain
-**/
-       char *outbuf;
-/**
- *
- *
- * pointer to variable containing the number of bytes loaded in the input buffer
- */
-       size_t *in_loaded;
-/**
- *
- *
- * pointer to variable containing the number of bytes loaded in the output buffer
- */
-       size_t *out_loaded;
-/**
- *
- *
- * non-zero if end of file was encountered
- */
-       int *eof;
-/**
- *
- *
- * non-zero if an error occured
- */
-       int error;
+struct filter_chain {
+       /**
+        *
+        *
+        * the number of channels of the current stream
+        *
+        * Set by the decoding filter
+        */
+               unsigned int channels;
+       /**
+        *
+        *
+        * current samplerate in Hz
+        *
+        * Set by the decoding filter
+        */
+               unsigned int samplerate;
+       /**
+        *
+        *
+        * the list containing all filter nodes in this filter chain
+        */
+               struct list_head filters;
+       /**
+        *
+        *
+        * the input buffer of the filter chain
+        *
+        * This is set to point to the output buffer of the receiving application (the
+        * buffer used to read from stdin for para_filter; the output buffer of the
+        * current receiver for para_audiod)
+        */
+               char *inbuf;
+       /**
+        *
+        *
+        * the output buffer of the filter chain
+        *
+        * Points to the output buffer of the last filter in the filter chain
+       **/
+               char *outbuf;
+       /**
+        *
+        *
+        * pointer to variable containing the number of bytes loaded in the input buffer
+        */
+               size_t *in_loaded;
+       /**
+        *
+        *
+        * pointer to variable containing the number of bytes loaded in the output buffer
+        */
+               size_t *out_loaded;
+       /** non-zero if this filter wont' produce any more output */
+       int eof;
+       /** pointer to the eof flag of the receiving application */
+       int *input_eof;
+       /** pointer to the eof flag of the writing application */
+       int *output_eof;
+       /** the task associated with the filter chain */
+       struct task task;
 };
 
 /**
@@ -104,7 +100,7 @@ struct filter_node {
  *
  * the filter chain this filter node belongs to
  */
-       struct filter_chain_info *fci;
+       struct filter_chain *fc;
 /**
  *
  *
@@ -212,11 +208,12 @@ struct filter_callback {
 };
 
 
-void close_filters(struct filter_chain_info *fci);
-int filter_io(struct filter_chain_info *fci);
+void close_filters(struct filter_chain *fc);
+int filter_io(struct filter_chain *fc);
 void filter_init(struct filter *all_filters);
 int check_filter_arg(char *filter_arg, void **conf);
 int del_filter_callback(struct filter_callback *fcb);
+void filter_pre_select(struct sched *s, struct task *t);
 
 /**
  * the structure associated with a paraslash filter