/** \file grab_client.h exported symbols from grab_client.c */
#include "config.h"
+
/**
- * handle blocking writes for the grab client fds
- *
- * - pedantic: close fd if write would block
- * - sloppy: ignore the data and do not write
- * - aggressive: write anyway (default)
- *
+ * How to handle blocking writes for the grab client fds.
*/
-enum grab_mode {GRAB_SLOPPY, GRAB_AGGRESSIVE, GRAB_PEDANTIC};
+enum grab_mode {
+ /** Ignore the data and do not write. */
+ GM_SLOPPY,
+ /** Write anyway (default). */
+ GM_AGGRESSIVE,
+ /** Close fd if write would block. */
+ GM_PEDANTIC,
+};
-/** describes one active grab client
+/** Flags specified as arguments to the grab command. */
+enum grab_flags {
+ /** Grab the filter input instead of its output. */
+ GF_INPUT_GRAB = 1,
+ /** Stop grabbing if audio file changes. */
+ GF_ONE_SHOT = 2,
+};
+
+/**
+ * Describes one active grab client.
*
- * \sa filter_callback, filter_node::callbacks
+ * \sa filter_callback, filter_node::callbacks.
*/
struct grab_client {
-/** the file descriptor to send the grabbed stream to */
+ /** The file descriptor to send the grabbed stream to. */
int fd;
-/** the command line options for this grab client */
- struct grab_client_args_info *conf;
-/** pedantic, sloppy, or aggressive, computed from command line */
- enum grab_mode mode;
-/** non-zero if the write() to \a fd failed */
+ /** Non-zero if the write() to \a fd failed. */
int error;
-/** the number of the desired audio format, computed from command line */
+ /** See \ref grab_mode. */
+ enum grab_mode mode;
+ /** Point of filter chain to grab. */
+ int32_t filter_num;
+ /** The number of the desired audio format. */
int audio_format_num;
-/** the callback data which gets attached to a suitable filter_node */
+ /** Flags given at the command line. */
+ enum grab_flags flags;
+ /** The callback data which gets attached to a suitable filter_node. */
struct filter_callback fcb;
-/** all grab clients belong either to a filter node or to the inactive list */
+ /** All grab clients belong either to a filter node or to the inactive list. */
struct list_head node;
-/** the number of command line options */
- int argc;
-/** pointers to the command line options */
- char **argv;
};
-__malloc struct grab_client *grab_client_new(int fd, char *line, int *err);
-void activate_inactive_grab_clients(int slot, int audio_format_num, struct list_head *filter_list);
+int grab_client_new(int fd, int argc, char **argv);
+void activate_inactive_grab_clients(int audio_format_num,
+ struct filter_chain *fc);
void activate_grab_client(struct grab_client *gc, struct filter_node *fn);
void init_grabbing(void);