1 files changed, 76 insertions, 0 deletions
diff --git a/ffmpeg-fas/test/dump_keyframes.c b/ffmpeg-fas/test/dump_keyframes.c
new file mode 100644
index 0000000..4e1333e
--- /dev/null
+++ b/ffmpeg-fas/test/dump_keyframes.c
@@ -0,0 +1,76 @@
+/*****************************************************************************
+ * 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();
+}
+