more small audiod cleanups.

[paraslash.git] / write.h

diff --git a/write.h b/write.h
index 5f8ab3ab142eff3cbd89189ede339fd4ef413b40..f4c54ca31de240b13056e684986483a05c980bf0 100644 (file)
--- a/write.h
+++ b/write.h
@@ -25,12 +25,16 @@ enum writer_enum {WRITER_ENUM};
  * decbribes one running instance of a writer
  */
 struct writer_node {
-/** points to the writer structure associated with this node */
+       /** points to the writer structure associated with this node */
        struct writer *writer;
-/** writer-specific data */
+       /** writer-specific data */
        void *private_data;
-/** send that many bytes in one go */
+       /** send that many bytes in one go */
        int chunk_bytes;
+       struct task task;
+       struct writer_node_group *wng;
+       /** the writer-specific configuration of this node */
+       void *conf;
 };
 
 /** describes one supported writer */
@@ -43,6 +47,18 @@ struct writer {
  *
  */
 void (*init)(struct writer *w);
+/**
+ *
+ *
+ * the command line parser of the writer
+ *
+ * It should check whether the command line options given by \a options are
+ * valid.  On success, it should return a pointer to the writer-specific
+ * configuration data determined by \a options.  Note that this might be called
+ * more than once with different values of \a options.
+ *
+ */
+       void * (*parse_config)(char *options);
 /**
  *
  * open one instance of this writer
@@ -62,6 +78,8 @@ int (*open)(struct writer_node *);
  *
  */
 int (*write)(char *data, size_t nbytes, struct writer_node *);
+void (*pre_select)(struct sched *s, struct task *t);
+void (*post_select)(struct sched *s, struct task *t);
 /**
  * close one instance of the writer
  *
@@ -81,16 +99,20 @@ void (*shutdown)(struct writer_node *);
  * describes a set of writer nodes that all write the same stream.
  */
 struct writer_node_group {
-/** number of nodes belonging to this group */
-unsigned num_writers;
-/** array of pointers to the corresponding writer nodes */
-struct writer_node *writer_nodes;
-/** keeps track of how many bytes have been written by each node */
-int *written;
-/** the maximum of the chunk_bytes values of the writer nodes in this group */
-size_t max_chunk_bytes;
-/** non-zero if end of file was encountered */
-int eof;
+       /** number of nodes belonging to this group */
+       unsigned num_writers;
+       /** array of pointers to the corresponding writer nodes */
+       struct writer_node *writer_nodes;
+       /** keeps track of how many bytes have been written by each node */
+       int *written;
+       /** the maximum of the chunk_bytes values of the writer nodes in this group */
+       size_t max_chunk_bytes;
+       /** non-zero if end of file was encountered */
+       int *input_eof;
+       int eof;
+       char *buf;
+       size_t *loaded;
+       struct task task;
 };
 
 /** loop over each writer node in a writer group */