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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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54 lines
1.2 KiB
C
54 lines
1.2 KiB
C
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#include <stdlib.h>
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#include <glib.h>
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#include <gst/gst.h>
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#include "mem.h"
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int main(int argc,char *argv[]) {
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GstBuffer *buf;
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GstBuffer **buffers;
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gpointer dummy;
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int i,max;
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long usage1,usage2;
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gst_init(&argc,&argv);
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max = atoi(argv[1]);
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g_print("creating and destroying a buffer %d times...",max);
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usage1 = vmsize();
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for (i=0;i<max;i++) {
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buf = gst_buffer_new();
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gst_buffer_unref(buf);
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}
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usage2 = vmsize();
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g_print(" used %d more bytes\n",usage2-usage1);
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// g_print("pre-allocating space...");
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// usage1 = vmsize();
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// dummy = g_malloc(100*i);
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// usage2 = vmsize();
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// g_print(" (+%d)\n",usage2-usage1);
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g_print("creating %d buffers...",max);
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buffers = g_new(GstBuffer,i);
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usage1 = vmsize();
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for (i=0;i<max;i++)
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buffers[i] = gst_buffer_new();
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// buffers[i] = (GstBuffer *)g_malloc(1024);
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usage2 = vmsize();
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g_print(" (+%d bytes), and destroying them...",usage2-usage1);
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usage1 = vmsize();
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for (i=0;i<max;i++)
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gst_buffer_unref(buffers[i]);
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// g_free(buffers[i]);
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usage2 = vmsize();
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g_print("(-%d)\n",usage1-usage2);
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g_free(buffers);
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g_print("buffer is %d bytes, list is %d bytes\n",
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sizeof(GstBuffer),sizeof(GList));
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g_print("memory usage is %d\n",vmsize());
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}
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