The following is the processing output: :~$ cd video/wip2/
# These functions do not depend on each other. # converting the video to frame files one PNG file per frame and # Split the portion of the video that we want to work on directly from the source file The follow is the script and out put for the first method of concat: # intro_vid.cfg I did not include any script output on this.Ĭan some check this out and offer a recommendation? Using the ffmpeg -i "concat:input1.mpg|input2.mpg|input3.mpg" -c copy output.mpg method, the output is a video which is not complete. Then the main video plays the audio is fine but the video is messed up where it displays garbled video on top. When I attempt to concatenate them using the ffmpeg -f concat -i mylist.txt -c copy output method, it produces an output file where the intro file plays fine.
#Ffmpeg concat two audio files mp4
I generated two MP4 files - a five-second intro file, which is created by the script below, and the main video (about one minute long) is created by screen-cast-omatic, both in MP4 format. It does not matter how your two sections input are produced.
ffmpeg -i title -i main -y -filter_complex ' setsar=1/1 concat=n=2:v=1:a=0 ' -map '' -pass 1 -strict -2 -an -vcodec libx264 -pix_fmt yuv420p -aspect 16:9 -threads 4 -b:v 2400k -flags +loop -cmp chroma -partitions +parti4x4+partp8x8+partb8x8 -subq 1 -trellis 0 -refs 1 -bf 3 -b_strategy 2 -coder 1 -me_range 16 -g 250 -keyint_min 75 -sc_threshold 40 -i_qfactor 0.71 -rc_eq 'blurCplx^(1-qComp)' -qcomp 0.6 -qmin 10 -qmax 51 -qdiff 4 output.mp4įfmpeg -i title -i main -y -filter_complex ' setsar=1/1 concat=n=2:v=1:a=1 ' -map '' -map '' -strict -2 -acodec aac -b:a 128k -pass 2 -vcodec libx264 -pix_fmt yuv420p -aspect 16:9 -threads 4 -b:v 2400k -flags +loop -cmp chroma -partitions +parti4x4+partp8x8+partb8x8 -mixed-refs 1 -subq 6 -trellis 1 -refs 5 -bf 3 -b_strategy 2 -coder 1 -me_range 16 -g 250 -keyint_min 75 -sc_threshold 40 -i_qfactor 0.71 -rc_eq 'blurCplx^(1-qComp)' -qcomp 0.6 -qmin 10 -qmax 51 -qdiff 4 output.mp4 That will re-encode all, but will produce stable results. Do not use the concat demuxer or concat protocol when the source files may have different codecs or other differences.
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