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added to -launch syntax: if an arg is prefixed with a '@' it will be treated as a dparam. eg sinesrc @volume=1.0 @fr...

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Original commit message from CVS:
added to -launch syntax: if an arg is prefixed with a '@' it will be treated as a dparam.  eg sinesrc @volume=1.0 @freq=440.0
This commit is contained in:
Steve Baker 2001-09-12 11:28:09 +00:00
parent 3c51f9cfa7
commit 4f6ea0a611
1 changed files with 29 additions and 4 deletions
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33
gst/gstparse.c
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@ -233,10 +233,35 @@ gst_parse_launch_cmdline(int argc,char *argv[],GstBin *parent,gst_parse_priv *pr
argname = arg;
pos[0] = '\0';
argval = pos+1;
GST_DEBUG(0,"attempting to set argument '%s' to '%s' on element '%s'\n",
argname,argval,GST_ELEMENT_NAME(previous));
gst_util_set_object_arg (G_OBJECT(previous), argname, argval);
g_free(argname);
// parse dparams values
if (strstr(arg, "@") == arg){
GstDParamManager *dpman;
GstDParam *dparam;
GType dparam_type;
argname++;
GST_DEBUG(0,"attempting to set dynamic param '%s' to '%s' on element '%s'\n",
argname,argval,GST_ELEMENT_NAME(previous));
dpman = GST_ELEMENT_DPARAM_MANAGER(previous);
dparam_type = gst_dpman_get_dparam_type(dpman, argname);
if (dparam_type > 0){
gst_dpman_set_mode(dpman, "synchronous");
dparam = gst_dparam_new(dparam_type);
gst_dpman_attach_dparam (dpman, argname, dparam);
GST_DPARAM_LOCK(dparam);
gst_dparam_set_value_from_string(GST_DPARAM_GET_POINT(dparam, 0LL)[0], argval);
GST_DPARAM_READY_FOR_UPDATE(dparam) = TRUE;
GST_DPARAM_UNLOCK(dparam);
}
} else {
GST_DEBUG(0,"attempting to set argument '%s' to '%s' on element '%s'\n",
argname,argval,GST_ELEMENT_NAME(previous));
gst_util_set_object_arg (G_OBJECT(previous), argname, argval);
g_free(argname);
}
// element or argument, or beginning of bin or thread
} else if (arg[0] == '[') {