mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-18 07:47:17 +00:00
23540ccc52
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.
94 lines
2.1 KiB
C
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;
|
|
}
|