mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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100 lines
2.2 KiB
C
100 lines
2.2 KiB
C
#include <stdlib.h>
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#include "gstgetbits.h"
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char *
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print_bits (unsigned long bits, int size)
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{
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char *ret = (char *) malloc (size + 1);
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int i;
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ret[size] = 0;
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for (i = 0; i < size; i++) {
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if (bits & (1 << i))
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ret[(size - 1) - i] = '1';
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else
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ret[(size - 1) - i] = '0';
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}
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return ret;
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}
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static unsigned char testbuffer[] = {
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0x11, 0x22, 0x44, 0x88, 0xCC, 0xEE, 0xFF, 0x11
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};
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void
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empty (gst_getbits_t * gb, void *data)
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{
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printf ("buffer empty\n");
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gst_getbits_newbuf (gb, (unsigned char *) testbuffer, 7);
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}
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int
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main (int argc, char *argv[])
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{
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gst_getbits_t gb;
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int i, j;
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int bits;
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gst_getbits_init (&gb, NULL, NULL);
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gst_getbits_newbuf (&gb, (unsigned char *) testbuffer, 7);
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for (i = 0; i < 7; i++) {
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for (j = 0; j < 8; j++) {
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printf ("%lu", gst_getbits2 (&gb));
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gst_backbitsn (&gb, 1);
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}
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printf (" = %01x\n", testbuffer[i]);
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}
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gst_getbits_newbuf (&gb, (unsigned char *) testbuffer, 7);
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bits = gst_getbits8 (&gb);
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printf ("%08x <-> 00000011 %lu\n", bits, gb.bits);
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bits = gst_getbits8 (&gb);
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printf ("%08x <-> 00000022 %lu\n", bits, gb.bits);
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bits = gst_getbits8 (&gb);
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printf ("%08x <-> 00000044 %lu\n", bits, gb.bits);
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bits = gst_getbits8 (&gb);
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printf ("%08x <-> 00000088 %lu\n", bits, gb.bits);
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bits = gst_getbits6 (&gb);
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printf ("%08x <-> 00000033 %lu\n", bits, gb.bits);
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gst_backbitsn (&gb, 16);
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bits = gst_getbits10 (&gb);
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printf ("%08x <-> 00000088 \n", bits);
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gst_getbits_newbuf (&gb, (unsigned char *) testbuffer, 7);
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bits = gst_getbits8 (&gb);
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printf ("%08x <-> 00000011 \n", bits);
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bits = gst_getbits8 (&gb);
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printf ("%08x <-> 00000022 \n", bits);
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bits = gst_getbits8 (&gb);
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printf ("%08x <-> 00000044 \n", bits);
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bits = gst_getbits6 (&gb);
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printf ("%08x <-> 00000022 \n", bits);
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gst_backbitsn (&gb, 19);
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bits = gst_getbits19 (&gb);
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printf ("%08x <-> 00009122 \n", bits);
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bits = gst_getbits10 (&gb);
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printf ("%08x <-> 000000cc \n", bits);
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gst_backbitsn (&gb, 8);
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gst_backbitsn (&gb, 19);
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gst_backbitsn (&gb, 8);
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bits = gst_getbits19 (&gb);
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printf ("%08x <-> 00012244 \n", bits);
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bits = gst_getbits8 (&gb);
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printf ("%08x <-> 00000088 \n", bits);
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return 0;
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}
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