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author | Diego Biurrun <diego@biurrun.de> | 2016-04-20 11:40:40 +0200 |
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committer | Diego Biurrun <diego@biurrun.de> | 2016-05-13 14:55:56 +0200 |
commit | a6a750c7ef240b72ce01e9653343a0ddf247d196 (patch) | |
tree | 5c472bb92b5264f19b9270b0caf8a8565b071cef /libavcodec/tests/golomb.c | |
parent | 257f00ec1ab06a2a161f535036c6512f3fc8e801 (diff) | |
download | ffmpeg-a6a750c7ef240b72ce01e9653343a0ddf247d196.tar.gz |
tests: Move all test programs to a subdirectory
Diffstat (limited to 'libavcodec/tests/golomb.c')
-rw-r--r-- | libavcodec/tests/golomb.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/libavcodec/tests/golomb.c b/libavcodec/tests/golomb.c new file mode 100644 index 0000000000..7587402e24 --- /dev/null +++ b/libavcodec/tests/golomb.c @@ -0,0 +1,97 @@ +/* + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; 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/mem.h" + +#include "libavcodec/get_bits.h" +#include "libavcodec/put_bits.h" +#include "libavcodec/golomb.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; + } + } + + 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; +} |