+++ /dev/null
-/* putbits.c, bit-level output */
-
-/* Copyright (C) 1996, MPEG Software Simulation Group. All Rights Reserved. */
-
-/*
- * Disclaimer of Warranty
- *
- * These software programs are available to the user without any license fee or
- * royalty on an "as is" basis. The MPEG Software Simulation Group disclaims
- * any and all warranties, whether express, implied, or statuary, including any
- * implied warranties or merchantability or of fitness for a particular
- * purpose. In no event shall the copyright-holder be liable for any
- * incidental, punitive, or consequential damages of any kind whatsoever
- * arising from the use of these programs.
- *
- * This disclaimer of warranty extends to the user of these programs and user's
- * customers, employees, agents, transferees, successors, and assigns.
- *
- * The MPEG Software Simulation Group does not represent or warrant that the
- * programs furnished hereunder are free of infringement of any third-party
- * patents.
- *
- * Commercial implementations of MPEG-1 and MPEG-2 video, including shareware,
- * are subject to royalty fees to patent holders. Many of these patents are
- * general enough such that they are unavoidable regardless of implementation
- * design.
- *
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include "putbits.h"
-#include <gst/gstplugin.h>
-#include <gst/gstversion.h>
-
-/* initialize buffer, call once before first putbits or alignbits */
-void gst_putbits_init(gst_putbits_t *pb)
-{
- pb->outcnt = 8;
- pb->bytecnt = 0;
- pb->outbase = 0;
-}
-
-void gst_putbits_new_empty_buffer(gst_putbits_t *pb, int len)
-{
- pb->outbfr = pb->outbase = malloc(len);
- pb->temp = 0;
- pb->len = len;
- pb->newlen = 0;
- pb->outcnt = 8;
-}
-
-void gst_putbits_new_buffer(gst_putbits_t *pb, unsigned char *buffer, int len)
-{
- pb->outbfr = buffer;
- pb->temp = 0;
- pb->outcnt = 8;
- pb->bytecnt = 0;
- pb->len = len;
-}
-
-/* write rightmost n (0<=n<=32) bits of val to outfile */
-void gst_putbits(gst_putbits_t *pb, int val, int n)
-{
- int i;
- unsigned int mask;
-
- /*printf("putbits: %p %08x %d %d %d\n", pb, val, n, pb->outcnt, pb->newlen); */
- mask = 1 << (n-1); /* selects first (leftmost) bit */
-
- for (i=0; i<n; i++)
- {
- pb->temp <<= 1;
-
- if (val & mask)
- pb->temp|= 1;
-
- mask >>= 1; /* select next bit */
- pb->outcnt--;
-
- if (pb->outcnt==0) /* 8 bit buffer full */
- {
- pb->len--;
- pb->newlen++;
- *(pb->outbfr++) = pb->temp;
- pb->outcnt = 8;
- pb->bytecnt++;
- }
- }
-}
-
-/* zero bit stuffing to next byte boundary (5.2.3, 6.2.1) */
-void gst_putbits_align(gst_putbits_t *pb)
-{
- if (pb->outcnt!=8)
- gst_putbits(pb, 0, pb->outcnt);
-}
-
-/* return total number of generated bits */
-int gst_putbits_bitcount(gst_putbits_t *pb)
-{
- return 8*pb->bytecnt + (8-pb->outcnt);
-}
-
-static gboolean
-plugin_init (GModule *module, GstPlugin *plugin)
-{
- gst_plugin_set_longname (plugin, "Accelerated routines for putting bits into a data stream");
- return TRUE;
-}
-
-GstPluginDesc plugin_desc = {
- GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- "gstputbits",
- plugin_init
-};
+++ /dev/null
-/* putbits.h, bit-level output */
-
-/* Copyright (C) 1996, MPEG Software Simulation Group. All Rights Reserved. */
-
-/*
- * Disclaimer of Warranty
- *
- * These software programs are available to the user without any license fee or
- * royalty on an "as is" basis. The MPEG Software Simulation Group disclaims
- * any and all warranties, whether express, implied, or statuary, including any
- * implied warranties or merchantability or of fitness for a particular
- * purpose. In no event shall the copyright-holder be liable for any
- * incidental, punitive, or consequential damages of any kind whatsoever
- * arising from the use of these programs.
- *
- * This disclaimer of warranty extends to the user of these programs and user's
- * customers, employees, agents, transferees, successors, and assigns.
- *
- * The MPEG Software Simulation Group does not represent or warrant that the
- * programs furnished hereunder are free of infringement of any third-party
- * patents.
- *
- * Commercial implementations of MPEG-1 and MPEG-2 video, including shareware,
- * are subject to royalty fees to patent holders. Many of these patents are
- * general enough such that they are unavoidable regardless of implementation
- * design.
- *
- */
-
-#ifndef __GST_PUTBITS_H__
-#define __GST_PUTBITS_H__
-
-typedef struct _gst_putbits_t gst_putbits_t;
-
-struct _gst_putbits_t {
- unsigned char *outbfr;
- unsigned char *outbase;
- unsigned char temp;
- int outcnt;
- int bytecnt;
- int len;
- int newlen;
-};
-
-void gst_putbits_init(gst_putbits_t *pb);
-void gst_putbits_new_empty_buffer(gst_putbits_t *pb, int len);
-void gst_putbits_new_buffer(gst_putbits_t *pb, unsigned char *buffer, int len);
-void gst_putbits(gst_putbits_t *pb, int val, int n);
-void gst_putbits_align(gst_putbits_t *pb);
-int gst_putbits_bitcount(gst_putbits_t *pb);
-
-#define gst_putbits1(gb, val) gst_putbits(gb, val, 1)
-#define gst_putbits2(gb, val) gst_putbits(gb, val, 2)
-#define gst_putbits3(gb, val) gst_putbits(gb, val, 3)
-#define gst_putbits4(gb, val) gst_putbits(gb, val, 4)
-#define gst_putbits5(gb, val) gst_putbits(gb, val, 5)
-#define gst_putbits6(gb, val) gst_putbits(gb, val, 6)
-#define gst_putbits7(gb, val) gst_putbits(gb, val, 7)
-#define gst_putbits8(gb, val) gst_putbits(gb, val, 8)
-#define gst_putbits9(gb, val) gst_putbits(gb, val, 9)
-#define gst_putbits10(gb, val) gst_putbits(gb, val, 10)
-#define gst_putbits11(gb, val) gst_putbits(gb, val, 11)
-#define gst_putbits12(gb, val) gst_putbits(gb, val, 12)
-#define gst_putbits13(gb, val) gst_putbits(gb, val, 13)
-#define gst_putbits14(gb, val) gst_putbits(gb, val, 14)
-#define gst_putbits15(gb, val) gst_putbits(gb, val, 15)
-#define gst_putbits16(gb, val) gst_putbits(gb, val, 16)
-#define gst_putbits17(gb, val) gst_putbits(gb, val, 17)
-#define gst_putbits18(gb, val) gst_putbits(gb, val, 18)
-#define gst_putbits19(gb, val) gst_putbits(gb, val, 19)
-#define gst_putbits20(gb, val) gst_putbits(gb, val, 20)
-#define gst_putbits21(gb, val) gst_putbits(gb, val, 21)
-#define gst_putbits22(gb, val) gst_putbits(gb, val, 22)
-#define gst_putbits32(gb, val) gst_putbits(gb, val, 32)
-
-#define gst_putbitsn(gb, val, n) gst_putbits(gb, val, n)
-
-#endif /* __GST_PUTBITS_H__ */