GstAdapter example 3

map.c

#include <stdio.h>
#include <gst/base/gstadapter.h>

int main(int argc, char *argv[])
{
	GstAdapter *a;
	GstBuffer *b;
	char *buf;
	char const * p;
	GstMapInfo i;

	gst_init(&argc, &argv);

	a = gst_adapter_new();
	buf = g_malloc0(10);
	sprintf(buf, "abc");
	b = gst_buffer_new_wrapped(buf, 10);
	gst_adapter_push(a, b);
	g_print("size: %" G_GSIZE_FORMAT "\n", gst_adapter_available(a));

	p = gst_adapter_map(a, 4);
	g_print("%s\n", p);
	gst_adapter_unmap(a);
	g_print("size: %" G_GSIZE_FORMAT "\n", gst_adapter_available(a));

	b = gst_adapter_take_buffer(a, 4);
	gst_buffer_map(b, &i, GST_MAP_READ);
	g_print("%s\n", i.data);
	gst_buffer_unmap(b, &i);
	g_print("size: %" G_GSIZE_FORMAT "\n", gst_adapter_available(a));

	return 0;
}