gstreamer/libs/getbits/gbtest.c
Wim Taymans 23540ccc52 Faster and modular getbits implementation.
Original commit message from CVS:
Faster and modular getbits implementation.
Fixed a bug in the audiosink that could lock up your box on bad MB.
Modified the plugins to use the new getbits functions.
2000-09-07 20:35:15 +00:00

94 lines
2.1 KiB
C

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