X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=write.h;h=cc24d359bbbb765c897ac880f483e95b65e0f8f4;hp=aece23133c14e9934c363fc7aeb5c83287080ba0;hb=63ea5c449c9d944ffcfea2bba906ef42679fa996;hpb=2290d9be0703d3f83f38c2f100b1b41ec0790bb3

diff --git a/write.h b/write.h
index aece2313..cc24d359 100644
--- a/write.h
+++ b/write.h
@@ -25,14 +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 */
@@ -45,6 +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
@@ -85,19 +99,22 @@ 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;
-char *buf;
-size_t *loaded;
-struct task task;
+	/** 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;
+	unsigned int *channels;
+	unsigned int *samplerate;
+	size_t *loaded;
+	struct task task;
 };
 
 /** loop over each writer node in a writer group */