Adding volume control and moving control() call parameters to a seperate file

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@7746 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 77 insertions, 0 deletions

diff --git a/libaf/control.h b/libaf/control.h
new file mode 100644
index 0000000000..6c44a76efe
--- /dev/null
+++ b/libaf/control.h
@@ -0,0 +1,77 @@
+#ifndef __af_control_h
+#define __af_control_h
+
+/*********************************************
+// Control parameters 
+*/
+
+/* The control system is divided into 3 levels 
+   mandatory calls 	 - all filters must answer to all of these
+   optional calls  	 - are optional
+   filter specific calls - applies only to some filters
+*/
+
+#define AF_CONTROL_MANDATORY_BASE	0
+#define AF_CONTROL_OPTIONAL_BASE	100
+#define AF_CONTROL_FILTER_SPECIFIC_BASE	200
+
+// MANDATORY CALLS
+
+/* Reinitialize filter. The optional argument contains the new
+   configuration in form of a af_data_t struct. If the filter does not
+   support the new format the struct should be changed and AF_FALSE
+   should be returned. If the incoming and outgoing data streams are
+   identical the filter can return AF_DETACH. This will remove the
+   filter. */
+#define AF_CONTROL_REINIT  		01 + AF_CONTROL_MANDATORY_BASE
+
+// OPTIONAL CALLS
+
+/* Called just after creation with the af_cfg for the stream in which
+   the filter resides as input parameter this call can be used by the
+   filter to initialize itself using commandline parameters */
+#define AF_CONTROL_POST_CREATE 		1 + AF_CONTROL_OPTIONAL_BASE
+
+// Called just before destruction of a filter
+#define AF_CONTROL_PRE_DESTROY 		2 + AF_CONTROL_OPTIONAL_BASE
+
+
+// FILTER SPECIFIC CALLS
+
+// Set output rate in resample
+#define AF_CONTROL_RESAMPLE		1 + AF_CONTROL_FILTER_SPECIFIC_BASE
+
+// Set output format in format
+#define AF_CONTROL_FORMAT		2 + AF_CONTROL_FILTER_SPECIFIC_BASE
+
+// Set number of output channels in channels
+#define AF_CONTROL_CHANNELS		3 + AF_CONTROL_FILTER_SPECIFIC_BASE
+
+// Set delay length in delay
+#define AF_CONTROL_DELAY_SET_LEN	4 + AF_CONTROL_FILTER_SPECIFIC_BASE
+
+// Volume 
+
+// Set volume level, arg is a float* with the volume for all the channels
+#define AF_CONTROL_VOLUME_SET		5 + AF_CONTROL_FILTER_SPECIFIC_BASE
+
+/* Get volume level for all channels, arg is a float* that will
+   contain the volume for all the channels */
+#define AF_CONTROL_VOLUME_GET		6 + AF_CONTROL_FILTER_SPECIFIC_BASE
+
+// Turn volume control on and off, arg is binary
+#define AF_CONTROL_VOLUME_ON_OFF	7 + AF_CONTROL_FILTER_SPECIFIC_BASE
+
+// Turn soft clipping of the volume on and off, arg is binary
+#define AF_CONTROL_VOLUME_SOFTCLIP	8 + AF_CONTROL_FILTER_SPECIFIC_BASE
+
+// Get the probed power level for all channels, arg is a float* 
+#define AF_CONTROL_VOLUME_PROBE_GET	9 + AF_CONTROL_FILTER_SPECIFIC_BASE
+
+// Get the maximum probed power level for all channels, arg is a float* 
+#define AF_CONTROL_VOLUME_PROBE_GET_MAX	10 + AF_CONTROL_FILTER_SPECIFIC_BASE
+
+// Turn probing on and off, arg is binary
+#define AF_CONTROL_VOLUME_PROBE_ON_OFF 	11 + AF_CONTROL_FILTER_SPECIFIC_BASE
+
+#endif /*__af_control_h */