[FFmpeg-cvslog] doc/examples/filtering_video: better demo ffmpeg filters; demos chaining the filters

Harshit Mittal git at videolan.org
Fri Aug 28 13:06:43 CEST 2015


ffmpeg | branch: master | Harshit Mittal <h.mittal83 at gmail.com> | Wed Aug  5 12:41:49 2015 -0700| [53bf32fa4270eb60f3bf25b5bd3d1f97381d4661] | committer: Michael Niedermayer

doc/examples/filtering_video: better demo ffmpeg filters; demos chaining the filters

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=53bf32fa4270eb60f3bf25b5bd3d1f97381d4661
---

 doc/examples/filtering_video.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/doc/examples/filtering_video.c b/doc/examples/filtering_video.c
index c02040a..5685380 100644
--- a/doc/examples/filtering_video.c
+++ b/doc/examples/filtering_video.c
@@ -38,7 +38,10 @@
 #include <libavfilter/buffersrc.h>
 #include <libavutil/opt.h>
 
-const char *filter_descr = "scale=78:24";
+const char *filter_descr = "scale=78:24,transpose=cclock";
+/* other way:
+   scale=78:24 [scl]; [scl] transpose=cclock // assumes "[in]" and "[out]" to be input output pads respectively
+ */
 
 static AVFormatContext *fmt_ctx;
 static AVCodecContext *dec_ctx;



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