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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/rangecoder.c | |
parent | 257f00ec1ab06a2a161f535036c6512f3fc8e801 (diff) | |
download | ffmpeg-a6a750c7ef240b72ce01e9653343a0ddf247d196.tar.gz |
tests: Move all test programs to a subdirectory
Diffstat (limited to 'libavcodec/tests/rangecoder.c')
-rw-r--r-- | libavcodec/tests/rangecoder.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/libavcodec/tests/rangecoder.c b/libavcodec/tests/rangecoder.c new file mode 100644 index 0000000000..26bb589928 --- /dev/null +++ b/libavcodec/tests/rangecoder.c @@ -0,0 +1,64 @@ +/* + * 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 <string.h> + +#include "libavutil/lfg.h" +#include "libavutil/log.h" + +#include "libavcodec/rangecoder.h" + +#define SIZE 10240 + +int main(void) +{ + RangeCoder c; + uint8_t b[9 * SIZE]; + uint8_t r[9 * SIZE]; + int i; + uint8_t state[10]; + AVLFG prng; + + av_lfg_init(&prng, 1); + + ff_init_range_encoder(&c, b, SIZE); + ff_build_rac_states(&c, 0.05 * (1LL << 32), 128 + 64 + 32 + 16); + + memset(state, 128, sizeof(state)); + + for (i = 0; i < SIZE; i++) + r[i] = av_lfg_get(&prng) % 7; + + for (i = 0; i < SIZE; i++) + put_rac(&c, state, r[i] & 1); + + ff_rac_terminate(&c); + + ff_init_range_decoder(&c, b, SIZE); + + memset(state, 128, sizeof(state)); + + for (i = 0; i < SIZE; i++) + if ((r[i] & 1) != get_rac(&c, state)) { + av_log(NULL, AV_LOG_ERROR, "rac failure at %d\n", i); + return 1; + } + + return 0; +} |