/*
* Copyright (c) 2010 Bobby Bingham
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
* aspect ratio modification video filters
*/
+#include "libavutil/mathematics.h"
#include "avfilter.h"
typedef struct {
aspect->aspect.num * inlink->h,
aspect->aspect.den * inlink->w, 100);
- av_log(inlink->dst, AV_LOG_INFO, "w:%d h:%d -> dar:%d/%d par:%d/%d\n",
- inlink->h, inlink->w, dar.num, dar.den, aspect->aspect.num, aspect->aspect.den);
+ av_log(inlink->dst, AV_LOG_INFO, "w:%d h:%d -> dar:%d/%d sar:%d/%d\n",
+ inlink->w, inlink->h, dar.num, dar.den, aspect->aspect.num, aspect->aspect.den);
+
+ inlink->sample_aspect_ratio = aspect->aspect;
+
return 0;
}
#endif /* CONFIG_SETDAR_FILTER */
#if CONFIG_SETSAR_FILTER
+/* for setdar filter, convert from frame aspect ratio to pixel aspect ratio */
+static int setsar_config_props(AVFilterLink *inlink)
+{
+ AspectContext *aspect = inlink->dst->priv;
+
+ inlink->sample_aspect_ratio = aspect->aspect;
+
+ return 0;
+}
+
AVFilter avfilter_vf_setsar = {
.name = "setsar",
.description = NULL_IF_CONFIG_SMALL("Set the pixel sample aspect ratio."),
.inputs = (AVFilterPad[]) {{ .name = "default",
.type = AVMEDIA_TYPE_VIDEO,
+ .config_props = setsar_config_props,
.get_video_buffer = avfilter_null_get_video_buffer,
.start_frame = start_frame,
.end_frame = avfilter_null_end_frame },
{ .name = NULL}},
};
#endif /* CONFIG_SETSAR_FILTER */
-