diff options
Diffstat (limited to 'libavcodec/tests/rangecoder.c')
| -rw-r--r-- | libavcodec/tests/rangecoder.c | 54 |
1 files changed, 33 insertions, 21 deletions
diff --git a/libavcodec/tests/rangecoder.c b/libavcodec/tests/rangecoder.c index 26bb589928..d6cf9ec380 100644 --- a/libavcodec/tests/rangecoder.c +++ b/libavcodec/tests/rangecoder.c @@ -1,18 +1,18 @@ /* - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * 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. * - * Libav is distributed in the hope that it will be useful, + * 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 Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -24,41 +24,53 @@ #include "libavcodec/rangecoder.h" -#define SIZE 10240 +#define SIZE 1240 int main(void) { RangeCoder c; - uint8_t b[9 * SIZE]; + uint8_t b[9 * SIZE] = {0}; uint8_t r[9 * SIZE]; - int i; + int i, p, actual_length, version; uint8_t state[10]; AVLFG prng; av_lfg_init(&prng, 1); + for (version = 0; version < 2; version++) { + for (p = 0; p< 1024; p++) { + ff_init_range_encoder(&c, b, SIZE); + ff_build_rac_states(&c, (1LL << 32) / 20, 128 + 64 + 32 + 16); - 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)); - memset(state, 128, sizeof(state)); + for (i = 0; i < SIZE; i++) + r[i] = av_lfg_get(&prng) % 7; - 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); - for (i = 0; i < SIZE; i++) - put_rac(&c, state, r[i] & 1); + actual_length = ff_rac_terminate(&c, version); - ff_rac_terminate(&c); + ff_init_range_decoder(&c, b, version ? SIZE : actual_length); - ff_init_range_decoder(&c, b, SIZE); + memset(state, 128, sizeof(state)); - 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 pass %d version %d\n", i, p, version); + return 1; + } - 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; + if (ff_rac_check_termination(&c, version) < 0) { + av_log(NULL, AV_LOG_ERROR, "rac failure at termination pass %d version %d\n", p, version); + return 1; + } + if (c.bytestream - c.bytestream_start - actual_length != version) { + av_log(NULL, AV_LOG_ERROR, "rac failure at pass %d version %d\n", p, version); + return 1; + } } + } return 0; } |