mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-06-03 05:59:44 +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.
95 lines
2.1 KiB
C
95 lines
2.1 KiB
C
#include <stdlib.h>
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#include "gstgetbits.h"
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char *print_bits(unsigned long bits,int size) {
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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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{
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0x11, 0x22, 0x44, 0x88, 0xCC, 0xEE,0xFF,0x11
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};
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void empty(gst_getbits_t *gb, void *data) {
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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 main(int argc,char *argv[]) {
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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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