如何快速剪切音频/视频

#1 楼

ffmpeg -ss 00:00:00 -t 00:30:00 -i input.avi -vcodec copy -acodec copy output1.avi
ffmpeg -ss 00:30:00 -t 00:30:00 -i input.avi -vcodec copy -acodec copy output2.avi  
ffmpeg -ss 01:00:00 -t 00:30:00 -i input.avi -vcodec copy -acodec copy output3.avi

ffmpeg -ss 0 -t 100 -i source.m4v -vcodec copy -acodec copy part1.m4v
ffmpeg -ss 100 -t 100 -i source.m4v -vcodec copy -acodec copy part2.m4v  
ffmpeg -ss 200 -t 100 -i source.m4v -vcodec copy -acodec copy part3.m4v  
ffmpeg -ss 300 -t 100 -i source.m4v -vcodec copy -acodec copy part4.m4v

avconv -i input.avi -vcodec copy -acodec copy -ss 00:00:00 -t 00:30:00 output1.avi
avconv -i input.avi -vcodec copy -acodec copy -ss 00:30:00 -t 00:30:00 output2.avi  
avconv -i input.avi -vcodec copy -acodec copy -ss 01:00:00 -t 00:30:00 output3.avi

avconv -ss 0 -i source.m4v -t 100 -vcodec copy -acodec copy part1.m4v
avconv -ss 100 -i source.m4v -t 100 -vcodec copy -acodec copy part2.m4v
avconv -ss 200 -i source.m4v -t 100 -vcodec copy -acodec copy part3.m4v  
avconv -ss 300 -i source.m4v -t 100 -vcodec copy -acodec copy part4.m4v

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avconv -i srcFileName -c:a copy -c:v copy -ss 00:03:40 -t 00:01:12 targetFileName

#4 楼

ffmpeg -i input.mpg -ss 00:00:10 -t 00:00:30 out1.mpg -ss 00:00:35 -t 00:00:30 out2.mpg

#5 楼

sudo add-apt-repository ppa:jonoomph/openshot-edge
sudo apt-get update
sudo apt-get install openshot openshot-doc

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#7 楼

sudo apt-get install avidemux

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#9 楼

sudo apt-get install avidemux

sudo apt-get install lives

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ffmpeg -i InputFile -vcodec copy -acodec copy -ss 00:00:00 -t 00:01:32 OutPutFile

ffmpeg -i InputFile  -vn -acodec copy -ss 00:00:00 -t 00:01:32 OutPutFile

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sudo add-apt-repository ppa:ozmartian/apps
sudo apt update
sudo apt install vidcutter

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 # Get the last 5 minutes of an MP3
ffslice input.mp3 -5:00

# Get the first 30 seconds of a webm
ffslice input.webm 0 30

# Get 5 minutes of video starting at 2 minutes in
ffslice input.mp4 2:00 5:00
 

 #!/bin/bash
# substr() for MPEG-encoded files

infile=""; shift
start=""; shift
end=""; shift
outfile=""; shift
args=()

# Convert time to seconds
# https://unix.stackexchange.com/questions/412868/bash-reverse-an-array
timetosec() {
  rev="$(<<< "" tr ':' '\n' | sed 's/^0\+\([0-9]+\)//' | tac | tr '\n' ' ')"
  IFS=' ' read -a times <<< "$rev"
  let secs="${times[0]:-0} + (${times[1]:-0} * 60) + (${times[2]:-0} * 3600)"
  printf '%i' "$secs"
}

# Input file requred
if [ -z "$infile" ]; then
  echo "Usage: $(basename -- "q4312079q") infile [start [end [outfile [ffmpeg-args]]]]" >&2
  echo "Example: $(basename -- "q4312079q") input.mp3 -5:00" >&2
  exit 1
fi

# Start (negative starts from the end)
if [ "${start:0:1}" = "-" ]; then args+=('-sseof' "$start")
elif [ -n "$start" ]; then args+=('-ss' "$start")
fi

# Input
args+=('-i' "$infile")

# End (use + or - to specify relative to the starting point)
if [ "${end:0:1}" = "+" ]; then args+=('-to' "$end")
elif [ "${end:0:1}" = "-" ]; then args+=('-sseof' "$end")
elif [ -n "$end" ]; then
  let dur="$(timetosec "$end") - $(timetosec "$start")"
  args+=('-to' "$dur")
fi

# Default output filename
filename=$(basename -- "$infile")
extension="${filename##*.}"
filename="${filename%.*}"
defaultOutfile="${filename}-${start}-${end}.${extension}"
if [ -z "$outfile" ]; then
  outfile="$defaultOutfile"
elif [ -d "$outfile" ]; then
  outfile="${outfile}/${defaultOutfile}"
fi

# Cannot have colon in the filename with ffmpeg
# https://unix.stackexchange.com/questions/412519/ffmpeg-protocol-not-found-for-normal-file-name
outfile="$(printf '%s' "$outfile" | sed 's/:/./g')"

# Slice audio
ffmpeg "${args[@]}" -c copy "$@" "$outfile" 1>&2

# Output the final location
printf '%s' "$(readlink -f "$outfile")"
 

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