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authorBobby Bingham <uhmmmm@gmail.com>2011-05-21 16:46:11 +0200
committerMichael Niedermayer <michaelni@gmx.at>2011-05-21 17:23:29 +0200
commita38a00eddf200e18c6cf3ba090beaa3b224bd114 (patch)
tree4b6ba698298257eb162bc03394593d1c069e21f5 /libavfilter
parent95eb2e3a3819e8b6d87940bfa41bf1ea3ae68f5a (diff)
libavfilter: vf_split from soc.
Commited by michael, for detailed authorship see soc repo
Diffstat (limited to 'libavfilter')
-rw-r--r--libavfilter/Makefile1
-rw-r--r--libavfilter/allfilters.c1
-rw-r--r--libavfilter/vf_split.c63
3 files changed, 65 insertions, 0 deletions
diff --git a/libavfilter/Makefile b/libavfilter/Makefile
index de34089468..8ea3169841 100644
--- a/libavfilter/Makefile
+++ b/libavfilter/Makefile
@@ -52,6 +52,7 @@ OBJS-$(CONFIG_SETSAR_FILTER) += vf_aspect.o
OBJS-$(CONFIG_SETTB_FILTER) += vf_settb.o
OBJS-$(CONFIG_SHOWINFO_FILTER) += vf_showinfo.o
OBJS-$(CONFIG_SLICIFY_FILTER) += vf_slicify.o
+OBJS-$(CONFIG_SPLIT_FILTER) += vf_split.o
OBJS-$(CONFIG_TRANSPOSE_FILTER) += vf_transpose.o
OBJS-$(CONFIG_UNSHARP_FILTER) += vf_unsharp.o
OBJS-$(CONFIG_VFLIP_FILTER) += vf_vflip.o
diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c
index 1973602305..0b6487f540 100644
--- a/libavfilter/allfilters.c
+++ b/libavfilter/allfilters.c
@@ -68,6 +68,7 @@ void avfilter_register_all(void)
REGISTER_FILTER (SETTB, settb, vf);
REGISTER_FILTER (SHOWINFO, showinfo, vf);
REGISTER_FILTER (SLICIFY, slicify, vf);
+ REGISTER_FILTER (SPLIT, split, vf);
REGISTER_FILTER (TRANSPOSE, transpose, vf);
REGISTER_FILTER (UNSHARP, unsharp, vf);
REGISTER_FILTER (VFLIP, vflip, vf);
diff --git a/libavfilter/vf_split.c b/libavfilter/vf_split.c
new file mode 100644
index 0000000000..635c9284f8
--- /dev/null
+++ b/libavfilter/vf_split.c
@@ -0,0 +1,63 @@
+/*
+ * Video splitter
+ * copyright (c) 2007 Bobby Bingham
+ *
+ * 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 "avfilter.h"
+
+static void start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
+{
+ avfilter_start_frame(link->dst->outputs[0],
+ avfilter_ref_buffer(picref, ~AV_PERM_WRITE));
+ avfilter_start_frame(link->dst->outputs[1],
+ avfilter_ref_buffer(picref, ~AV_PERM_WRITE));
+}
+
+static void end_frame(AVFilterLink *link)
+{
+ avfilter_end_frame(link->dst->outputs[0]);
+ avfilter_end_frame(link->dst->outputs[1]);
+
+ avfilter_unref_buffer(link->cur_buf);
+}
+
+static void draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
+{
+ avfilter_draw_slice(link->dst->outputs[0], y, h, slice_dir);
+ avfilter_draw_slice(link->dst->outputs[1], y, h, slice_dir);
+}
+
+AVFilter avfilter_vf_split =
+{
+ .name = "split",
+
+ .inputs = (AVFilterPad[]) {{ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .get_video_buffer= avfilter_null_get_video_buffer,
+ .start_frame = start_frame,
+ .draw_slice = draw_slice,
+ .end_frame = end_frame, },
+ { .name = NULL}},
+ .outputs = (AVFilterPad[]) {{ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO, },
+ { .name = "default2",
+ .type = AVMEDIA_TYPE_VIDEO, },
+ { .name = NULL}},
+};
+