![]() ![]() N h:\out4.mp4 -i -acodec copy -newaudio -map 0:0 -map 1:0 -map 0:1 -vbsf h264_changesps=level=30 So I tried to change the level to 3.0 but somehow it didn't work, mediainfo and iTunes still identify the h.264 stream as level 3.1. Luckily I found your post about changing the h.264 bitstream with your modified ffmpeg Any idea what I'm doing wrong here?Ģ) Since I also want to be able to transfer the video on my iPhone 3GS the file info has to say h.264 level 3.0 or lower or iTunes won't transfer the file, even though the iPhone 3GS itself can play level 3.1 without problems. ![]() With only ffmpeg demux/mux I get around 6000fps, so it has to be the audio encoder. Video:90807kB audio:42417kB global headers:0kB muxing overhead 0.242225%The result works great, but I only get around 25fps with 5% CPU usage on a Core 2 Quad. St:0 error, non monotone timestamps 1 >= 1 Max_analyze_duration reachedĮstimating duration from bitrate, this may be inaccurate N h:\out3.mp4 -i -acodec copy -newaudio -map 0:0 -map 1:0 -map 0:1įFmpeg version SVN-r21997, Copyright (c) 2000-2010 the FFmpeg developers Code: CTAACEncoder -d -b 128000 -o - h:\input.mkv | ffmpeg -i h:\input.mkv -vcodec copy -acodec copy -s
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