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Diffstat (limited to 'libavutil/tests/fifo.c')
-rw-r--r-- | libavutil/tests/fifo.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/libavutil/tests/fifo.c b/libavutil/tests/fifo.c new file mode 100644 index 0000000000..e4d7edf212 --- /dev/null +++ b/libavutil/tests/fifo.c @@ -0,0 +1,74 @@ +/* + * 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 <stdio.h> + +#include "libavutil/fifo.h" + +int main(void) +{ + /* create a FIFO buffer */ + AVFifoBuffer *fifo = av_fifo_alloc(13 * sizeof(int)); + int i, j, n; + + /* fill data */ + for (i = 0; av_fifo_space(fifo) >= sizeof(int); i++) + av_fifo_generic_write(fifo, &i, sizeof(int), NULL); + + /* peek at FIFO */ + n = av_fifo_size(fifo) / sizeof(int); + for (i = -n + 1; i < n; i++) { + int *v = (int *)av_fifo_peek2(fifo, i * sizeof(int)); + printf("%d: %d\n", i, *v); + } + printf("\n"); + + /* peek_at at FIFO */ + n = av_fifo_size(fifo) / sizeof(int); + for (i = 0; i < n; i++) { + av_fifo_generic_peek_at(fifo, &j, i * sizeof(int), sizeof(j), NULL); + printf("%d: %d\n", i, j); + } + printf("\n"); + + /* read data */ + for (i = 0; av_fifo_size(fifo) >= sizeof(int); i++) { + av_fifo_generic_read(fifo, &j, sizeof(int), NULL); + printf("%d ", j); + } + printf("\n"); + + /* test *ndx overflow */ + av_fifo_reset(fifo); + fifo->rndx = fifo->wndx = ~(uint32_t)0 - 5; + + /* fill data */ + for (i = 0; av_fifo_space(fifo) >= sizeof(int); i++) + av_fifo_generic_write(fifo, &i, sizeof(int), NULL); + + /* peek_at at FIFO */ + n = av_fifo_size(fifo) / sizeof(int); + for (i = 0; i < n; i++) { + av_fifo_generic_peek_at(fifo, &j, i * sizeof(int), sizeof(j), NULL); + printf("%d: %d\n", i, j); + } + + av_fifo_free(fifo); + + return 0; +} |