mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-02 03:06:28 +02:00
5d48e4eafa
* commit 'a6a750c7ef240b72ce01e9653343a0ddf247d196': tests: Move all test programs to a subdirectory Merged-by: Clément Bœsch <clement@stupeflix.com>
75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
/*
|
|
* 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;
|
|
}
|