aac5773f
 hucm
功能基本完成，接口待打磨
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/*
* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdint.h>
#include <stdio.h>
#include "libavutil/internal.h"
#include "libavutil/mem.h"
#include "libavcodec/get_bits.h"
#include "libavcodec/golomb.h"
#include "libavcodec/put_bits.h"
#define COUNT 8191
#define SIZE (COUNT * 4)
int main(void)
{
int i, ret = 0;
uint8_t *temp;
PutBitContext pb;
GetBitContext gb;
temp = av_malloc(SIZE);
if (!temp)
return 2;
init_put_bits(&pb, temp, SIZE);
for (i = 0; i < COUNT; i++)
set_ue_golomb(&pb, i);
flush_put_bits(&pb);
init_get_bits(&gb, temp, 8 * SIZE);
for (i = 0; i < COUNT; i++) {
int j, s = show_bits(&gb, 25);
j = get_ue_golomb(&gb);
if (j != i) {
fprintf(stderr, "get_ue_golomb: expected %d, got %d. bits: %7x\n",
i, j, s);
ret = 1;
}
}
#define EXTEND(i) ((i) << 3 | (i) & 7)
init_put_bits(&pb, temp, SIZE);
for (i = 0; i < COUNT; i++)
set_ue_golomb(&pb, EXTEND(i));
flush_put_bits(&pb);
init_get_bits(&gb, temp, 8 * SIZE);
for (i = 0; i < COUNT; i++) {
int j, s = show_bits_long(&gb, 32);
j = get_ue_golomb_long(&gb);
if (j != EXTEND(i)) {
fprintf(stderr, "get_ue_golomb_long: expected %d, got %d. "
"bits: %8x\n", EXTEND(i), j, s);
ret = 1;
}
}
#define EXTEND_L(i) ((i) << 4 | (i) & 15)
init_put_bits(&pb, temp, SIZE);
for (i = 0; i < COUNT; i++)
set_ue_golomb_long(&pb, EXTEND_L(i));
flush_put_bits(&pb);
init_get_bits(&gb, temp, 8 * SIZE);
for (i = 0; i < COUNT; i++) {
int j, s = show_bits_long(&gb, 32);
j = get_ue_golomb_long(&gb);
if (j != EXTEND_L(i)) {
fprintf(stderr, "get_ue_golomb_long: expected %d, got %d. "
"bits: %8x\n", EXTEND_L(i), j, s);
ret = 1;
}
}
init_put_bits(&pb, temp, SIZE);
for (i = 0; i < COUNT; i++)
set_se_golomb(&pb, i - COUNT / 2);
flush_put_bits(&pb);
init_get_bits(&gb, temp, 8 * SIZE);
for (i = 0; i < COUNT; i++) {
int j, s = show_bits(&gb, 25);
j = get_se_golomb(&gb);
if (j != i - COUNT / 2) {
fprintf(stderr, "get_se_golomb: expected %d, got %d. bits: %7x\n",
i - COUNT / 2, j, s);
ret = 1;
}
}
av_free(temp);
return ret;
}
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