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/*****************************************************************************
* Copyright 2008. Pittsburgh Pattern Recognition, Inc.
*
* This file is part of the Frame Accurate Seeking extension library to
* ffmpeg (ffmpeg-fas).
*
* ffmpeg-fas 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 3 of the License, or (at your
* option) any later version.
*
* The ffmpeg-fas library 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 the ffmpeg-fas library. If not, see <http://www.gnu.org/licenses/>.
*
******************************************************************************/
#include "ffmpeg_fas.h"
#include "seek_indices.h"
#include "test_support.h"
#include <stdio.h>
int main (int argc, char **argv)
{
fas_error_type video_error;
fas_context_ref_type context, seek_context;
if (argc < 3) {
fprintf (stderr, "usage: %s <video_file> <seek_table>\n", argv[0]);
fail("arguments\n");
}
seek_table_type table = read_table_file(argv[2]);
if (table.num_entries == 0)
fail("bad table\n");
fas_initialize (FAS_TRUE);
video_error = fas_open_video (&context, argv[1]);
if (video_error != FAS_SUCCESS) fail("fail on open\n");
video_error = fas_put_seek_table(context, table);
if (video_error != FAS_SUCCESS) fail("fail on put_seek_table\n");
video_error = fas_open_video (&seek_context, argv[1]);
if (video_error != FAS_SUCCESS) fail("fail on open\n");
int i;
for(i=0;i<table.num_entries;i++)
{
// int frame_index = table.array[table.num_entries - i - 1].display_index;
int frame_index = table.array[i].display_index;
if (FAS_SUCCESS != fas_seek_to_frame(context, frame_index))
fail("failed on seek");
fas_raw_image_type image_buffer;
if (FAS_SUCCESS != fas_get_frame (context, &image_buffer))
fail("failed on rgb image\n");
char filename[50];
sprintf(filename, "frame_%04d.ppm", frame_index);
fprintf(stderr, "Writing %s (seek_table_value=%d frame_index=%d)\n", filename, frame_index, fas_get_frame_index(context));
ppm_save(&image_buffer, filename);
fas_free_frame (image_buffer);
}
success();
}
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