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faq: suggest the concat filter.
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doc/faq.texi
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doc/faq.texi
@ -252,6 +252,15 @@ the other; it can be done using the
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@anchor{How can I concatenate video files}
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@section How can I concatenate video files?
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There are several solutions, depending on the exact circumstances.
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@subsection Concatenating using filters
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FFmpeg has a @url{http://ffmpeg.org/ffmpeg.html#concat-1, @code{concat}}
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filter designed specifically for that, with examples in the documentation.
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@subsection Concatenating at the file level
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A few multimedia containers (MPEG-1, MPEG-2 PS, DV) allow to concatenate
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video by merely concatenating the files them.
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@ -291,6 +300,8 @@ cat intermediate1.mpg intermediate2.mpg |\
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ffmpeg -f mpeg -i - -qscale:v 2 -c:v mpeg4 -acodec libmp3lame -q:a 4 output.avi
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@end example
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@subsection Concatenating using raw audio and video
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Similarly, the yuv4mpegpipe format, and the raw video, raw audio codecs also
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allow concatenation, and the transcoding step is almost lossless.
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When using multiple yuv4mpegpipe(s), the first line needs to be discarded
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