* 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 */
*
*/
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
* 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 */