Add copy filter, useful for testing the avfilter_draw_slice() copy

code.

Originally committed as revision 26112 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 40 insertions, 0 deletions

diff --git a/libavfilter/vf_copy.c b/libavfilter/vf_copy.c
new file mode 100644
index 0000000000..480ebcc034
--- /dev/null
+++ b/libavfilter/vf_copy.c
@@ -0,0 +1,40 @@
+/*
+ * 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
+ */
+
+/**
+ * @file
+ * copy video filter
+ */
+
+#include "avfilter.h"
+
+AVFilter avfilter_vf_copy = {
+    .name      = "copy",
+    .description = NULL_IF_CONFIG_SMALL("Copy the input video unchanged to the output."),
+
+    .inputs    = (AVFilterPad[]) {{ .name             = "default",
+                                    .type             = AVMEDIA_TYPE_VIDEO,
+                                    .get_video_buffer = avfilter_null_get_video_buffer,
+                                    .start_frame      = avfilter_null_start_frame,
+                                    .end_frame        = avfilter_null_end_frame,
+                                    .rej_perms        = ~0 },
+                                  { .name = NULL}},
+    .outputs   = (AVFilterPad[]) {{ .name             = "default",
+                                    .type             = AVMEDIA_TYPE_VIDEO, },
+                                  { .name = NULL}},
+};