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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
#include <stdarg.h>
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#include <gst/gst.h>
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#include <assert.h>
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#include <string.h>
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gchar *
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gst_markup_vsprintf (const gchar *format,...)
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{
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va_list args;
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gint i,j;
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gboolean have_hash = FALSE;
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gboolean longarg = FALSE;
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GstObject *object;
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gchar *newformat = g_new0(gchar,strlen(format));
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gchar *newstring;
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GSList *tofree = NULL;
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gint dummy;
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va_start(args, format);
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for (i=0,j=0;i<strlen(format);i++,j++) {
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newformat[j] = format[i];
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if (have_hash) {
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switch (format[i]) {
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case 'l': longarg = TRUE;break;
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case 'O': {
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if (longarg) j--;
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newformat[j] = 's';
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object = va_arg(args,GstObject *);
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if (longarg) {
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fprintf(stderr,"have %%lO\n");
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newstring = gst_object_get_path_string(object);
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tofree = g_slist_prepend (tofree, newstring);
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longarg = FALSE;
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} else {
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fprintf(stderr,"have %%O\n");
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newstring = "something";
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}
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break;
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}
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case '%': break;
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default: dummy = va_arg(args,gint);
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}
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}
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if (format[i] == '%')
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have_hash = TRUE;
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}
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newformat[j] = '\0';
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fprintf(stderr,"new format is '%s'\n",newformat);
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return g_strdup_vprintf(newformat,args);
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}
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int main(int argc,char *argv[]) {
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GstElement *pipeline;
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GstElement *src;
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GST_DEBUG_ENTER("(%d)",argc);
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gst_init(&argc,&argv);
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pipeline = gst_pipeline_new("fakepipeline");
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src = gst_elementfactory_make("fakesrc","src");
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gst_bin_add(GST_BIN(pipeline),src);
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fprintf(stderr,gst_markup_vsprintf("testing %d, %lO\n",2,"src"));
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return 0;
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}
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