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/* |
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* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include <stdint.h> |
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#include <stdio.h> |
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#include "libavutil/internal.h" |
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#include "libavutil/mem.h" |
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#include "libavcodec/get_bits.h" |
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#include "libavcodec/golomb.h" |
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#include "libavcodec/put_bits.h" |
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#define COUNT 8191 |
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#define SIZE (COUNT * 4) |
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int main(void) |
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{ |
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int i, ret = 0; |
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uint8_t *temp; |
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PutBitContext pb; |
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GetBitContext gb; |
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temp = av_malloc(SIZE); |
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✗✓ |
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if (!temp) |
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return 2; |
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init_put_bits(&pb, temp, SIZE); |
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✓✓ |
8192 |
for (i = 0; i < COUNT; i++) |
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set_ue_golomb(&pb, i); |
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flush_put_bits(&pb); |
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init_get_bits(&gb, temp, 8 * SIZE); |
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✓✓ |
8192 |
for (i = 0; i < COUNT; i++) { |
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8191 |
int j, s = show_bits(&gb, 25); |
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8191 |
j = get_ue_golomb(&gb); |
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✗✓ |
8191 |
if (j != i) { |
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fprintf(stderr, "get_ue_golomb: expected %d, got %d. bits: %7x\n", |
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i, j, s); |
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ret = 1; |
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} |
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} |
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#define EXTEND(i) ((i) << 3 | (i) & 7) |
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init_put_bits(&pb, temp, SIZE); |
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✓✓ |
8192 |
for (i = 0; i < COUNT; i++) |
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set_ue_golomb(&pb, EXTEND(i)); |
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flush_put_bits(&pb); |
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init_get_bits(&gb, temp, 8 * SIZE); |
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✓✓ |
8192 |
for (i = 0; i < COUNT; i++) { |
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8191 |
int j, s = show_bits_long(&gb, 32); |
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8191 |
j = get_ue_golomb_long(&gb); |
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✗✓ |
8191 |
if (j != EXTEND(i)) { |
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fprintf(stderr, "get_ue_golomb_long: expected %d, got %d. " |
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"bits: %8x\n", EXTEND(i), j, s); |
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ret = 1; |
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} |
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} |
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#define EXTEND_L(i) ((i) << 4 | (i) & 15) |
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init_put_bits(&pb, temp, SIZE); |
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✓✓ |
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for (i = 0; i < COUNT; i++) |
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set_ue_golomb_long(&pb, EXTEND_L(i)); |
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flush_put_bits(&pb); |
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init_get_bits(&gb, temp, 8 * SIZE); |
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✓✓ |
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for (i = 0; i < COUNT; i++) { |
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int j, s = show_bits_long(&gb, 32); |
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j = get_ue_golomb_long(&gb); |
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✗✓ |
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if (j != EXTEND_L(i)) { |
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fprintf(stderr, "get_ue_golomb_long: expected %d, got %d. " |
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"bits: %8x\n", EXTEND_L(i), j, s); |
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ret = 1; |
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} |
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} |
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init_put_bits(&pb, temp, SIZE); |
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✓✓ |
8192 |
for (i = 0; i < COUNT; i++) |
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set_se_golomb(&pb, i - COUNT / 2); |
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flush_put_bits(&pb); |
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init_get_bits(&gb, temp, 8 * SIZE); |
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✓✓ |
8192 |
for (i = 0; i < COUNT; i++) { |
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int j, s = show_bits(&gb, 25); |
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j = get_se_golomb(&gb); |
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✗✓ |
8191 |
if (j != i - COUNT / 2) { |
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fprintf(stderr, "get_se_golomb: expected %d, got %d. bits: %7x\n", |
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i - COUNT / 2, j, s); |
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ret = 1; |
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} |
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} |
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av_free(temp); |
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return ret; |
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} |