diff options
Diffstat (limited to 'libavutil/tests/fifo.c')
-rw-r--r-- | libavutil/tests/fifo.c | 70 |
1 files changed, 64 insertions, 6 deletions
diff --git a/libavutil/tests/fifo.c b/libavutil/tests/fifo.c index 4c4b37a501..8a550e088b 100644 --- a/libavutil/tests/fifo.c +++ b/libavutil/tests/fifo.c @@ -1,30 +1,30 @@ /* - * 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 */ #include <stdio.h> - +#include <stdlib.h> #include "libavutil/fifo.h" int main(void) { /* create a FIFO buffer */ AVFifoBuffer *fifo = av_fifo_alloc(13 * sizeof(int)); - int i, j, n; + int i, j, n, *p; /* fill data */ for (i = 0; av_fifo_space(fifo) >= sizeof(int); i++) @@ -38,6 +38,32 @@ int main(void) } 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"); + + /* generic peek at FIFO */ + + n = av_fifo_size(fifo); + p = malloc(n); + if (p == NULL) { + fprintf(stderr, "failed to allocate memory.\n"); + exit(1); + } + + (void) av_fifo_generic_peek(fifo, p, n, NULL); + + /* read data at p */ + n /= sizeof(int); + for(i = 0; i < n; ++i) + printf("%d: %d\n", i, p[i]); + + putchar('\n'); + /* read data */ for (i = 0; av_fifo_size(fifo) >= sizeof(int); i++) { av_fifo_generic_read(fifo, &j, sizeof(int), NULL); @@ -45,7 +71,39 @@ int main(void) } 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); + } + putchar('\n'); + + /* test fifo_grow */ + (void) av_fifo_grow(fifo, 15 * sizeof(int)); + + /* fill data */ + n = av_fifo_size(fifo) / sizeof(int); + for (i = n; 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); + free(p); return 0; } |