[FFmpeg-cvslog] ffmpeg: document alternative to the lossless libx264 presets

Michael Niedermayer git at videolan.org
Mon Sep 26 22:16:21 CEST 2011


ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Mon Sep 26 22:02:13 2011 +0200| [eb11cca53002abd813b3e9643ae194c1335d6d81] | committer: Michael Niedermayer

ffmpeg: document alternative to the lossless libx264 presets

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=eb11cca53002abd813b3e9643ae194c1335d6d81
---

 ffmpeg.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/ffmpeg.c b/ffmpeg.c
index baa9b46..ac1d51b 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -4107,7 +4107,10 @@ static int opt_preset(OptionsContext *o, const char *opt, const char *arg)
                                            subtitle_codec_name;
 
     if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
-        fprintf(stderr, "File for preset '%s' not found\n", arg);
+        if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
+            fprintf(stderr, "Please use -preset <speed> -qp 0\n");
+        }else
+            fprintf(stderr, "File for preset '%s' not found\n", arg);
         exit_program(1);
     }
 



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