dcondrey/ffmpegchapters-explicit.sh

## ffmpegchapters-explicit.sh
#!/bin/bash
# Author: http://crunchbang.org/forums/viewtopic.php?id=38748#p414992
# m4bronto

#     Chapter #0:0: start 0.000000, end 1290.013333
#       first   _     _     start    _     end

while [ $# -gt 0 ]; do

ffmpeg -i "$1" 2> tmp.txt

while read -r first _ _ start _ end; do
  if [[ $first = Chapter ]]; then
    read  # discard line with Metadata:
    read _ _ chapter

    ffmpeg -vsync 2 -i "$1" -ss "${start%?}" -to "$end" -vn -ar 44100 -ac 2 -ab 128  -f mp3 "$chapter.mp3" </dev/null

  fi
done <tmp.txt

rm tmp.txt

shift
done

## ffmpegchapters.py
#!/usr/bin/env python
import os
import re
import subprocess as sp
from subprocess import *
from optparse import OptionParser

def parseChapters(filename):
  chapters = []
  command = [ "ffmpeg", '-i', filename]
  output = ""
  try:
    # ffmpeg requires an output file and so it errors
    # when it does not get one so we need to capture stderr,
    # not stdout.
    output = sp.check_output(command, stderr=sp.STDOUT, universal_newlines=True)
  except CalledProcessError, e:
    output = e.output

  for line in iter(output.splitlines()):
    m = re.match(r".*Chapter #(\d+:\d+): start (\d+\.\d+), end (\d+\.\d+).*", line)
    num = 0
    if m != None:
      chapters.append({ "name": m.group(1), "start": m.group(2), "end": m.group(3)})
      num += 1
  return chapters

def getChapters():
  parser = OptionParser(usage="usage: %prog [options] filename", version="%prog 1.0")
  parser.add_option("-f", "--file",dest="infile", help="Input File", metavar="FILE")
  (options, args) = parser.parse_args()
  if not options.infile:
    parser.error('Filename required')
  chapters = parseChapters(options.infile)
  fbase, fext = os.path.splitext(options.infile)
  for chap in chapters:
    print "start:" +  chap['start']
    chap['outfile'] = fbase + "-ch-"+ chap['name'] + fext
    chap['origfile'] = options.infile
    print chap['outfile']
  return chapters

def convertChapters(chapters):
  for chap in chapters:
    print "start:" +  chap['start']
    print chap
    command = [
        "ffmpeg", '-i', chap['origfile'],
        '-vcodec', 'copy',
        '-acodec', 'copy',
        '-ss', chap['start'],
        '-to', chap['end'],
        chap['outfile']]
    output = ""
    try:
      # ffmpeg requires an output file and so it errors
      # when it does not get one
      output = sp.check_output(command, stderr=sp.STDOUT, universal_newlines=True)
    except CalledProcessError, e:
      output = e.output
      raise RuntimeError("command '{}' return with error (code {}): {}".format(e.cmd, e.returncode, e.output))

if __name__ == '__main__':
  chapters = getChapters()
  convertChapters(chapters)


## ffmpegchapters.sh
ffmpeg -i "$SOURCE.$EXT" 2>&1 \ # get metadata about file
| grep Chapter \ # search for Chapter in metadata and pass the results
| sed -E "s/ *Chapter #([0-9]+.[0-9]+): start ([0-9]+.[0-9]+), end ([0-9]+.[0-9]+)/-i \"$SOURCE.$EXT\" -vcodec copy -acodec copy -ss \2 -to \3 \"$SOURCE-\1.$EXT\"/" \ # filter the results, explicitly defining the timecode markers for each chapter
| xargs -n 11 ffmpeg # construct argument list with maximum of 11 arguments and execute ffmpeg
	#!/bin/bash
	# Author: http://crunchbang.org/forums/viewtopic.php?id=38748#p414992
	# m4bronto

	# Chapter #0:0: start 0.000000, end 1290.013333
	# first _ _ start _ end

	while [ $# -gt 0 ]; do

	ffmpeg -i "$1" 2> tmp.txt

	while read -r first _ _ start _ end; do
	if [[ $first = Chapter ]]; then
	read # discard line with Metadata:
	read _ _ chapter

	ffmpeg -vsync 2 -i "$1" -ss "${start%?}" -to "$end" -vn -ar 44100 -ac 2 -ab 128 -f mp3 "$chapter.mp3" </dev/null

	fi
	done <tmp.txt

	rm tmp.txt

	shift
	done
	#!/usr/bin/env python
	import os
	import re
	import subprocess as sp
	from subprocess import *
	from optparse import OptionParser

	def parseChapters(filename):
	chapters = []
	command = [ "ffmpeg", '-i', filename]
	output = ""
	try:
	# ffmpeg requires an output file and so it errors
	# when it does not get one so we need to capture stderr,
	# not stdout.
	output = sp.check_output(command, stderr=sp.STDOUT, universal_newlines=True)
	except CalledProcessError, e:
	output = e.output

	for line in iter(output.splitlines()):
	m = re.match(r".Chapter #(\d+:\d+): start (\d+\.\d+), end (\d+\.\d+).", line)
	num = 0
	if m != None:
	chapters.append({ "name": m.group(1), "start": m.group(2), "end": m.group(3)})
	num += 1
	return chapters

	def getChapters():
	parser = OptionParser(usage="usage: %prog [options] filename", version="%prog 1.0")
	parser.add_option("-f", "--file",dest="infile", help="Input File", metavar="FILE")
	(options, args) = parser.parse_args()
	if not options.infile:
	parser.error('Filename required')
	chapters = parseChapters(options.infile)
	fbase, fext = os.path.splitext(options.infile)
	for chap in chapters:
	print "start:" + chap['start']
	chap['outfile'] = fbase + "-ch-"+ chap['name'] + fext
	chap['origfile'] = options.infile
	print chap['outfile']
	return chapters

	def convertChapters(chapters):
	for chap in chapters:
	print "start:" + chap['start']
	print chap
	command = [
	"ffmpeg", '-i', chap['origfile'],
	'-vcodec', 'copy',
	'-acodec', 'copy',
	'-ss', chap['start'],
	'-to', chap['end'],
	chap['outfile']]
	output = ""
	try:
	# ffmpeg requires an output file and so it errors
	# when it does not get one
	output = sp.check_output(command, stderr=sp.STDOUT, universal_newlines=True)
	except CalledProcessError, e:
	output = e.output
	raise RuntimeError("command '{}' return with error (code {}): {}".format(e.cmd, e.returncode, e.output))

	if __name__ == '__main__':
	chapters = getChapters()
	convertChapters(chapters)
	ffmpeg -i "$SOURCE.$EXT" 2>&1 \ # get metadata about file
	\| grep Chapter \ # search for Chapter in metadata and pass the results
	\| sed -E "s/ *Chapter #([0-9]+.[0-9]+): start ([0-9]+.[0-9]+), end ([0-9]+.[0-9]+)/-i \"$SOURCE.$EXT\" -vcodec copy -acodec copy -ss \2 -to \3 \"$SOURCE-\1.$EXT\"/" \ # filter the results, explicitly defining the timecode markers for each chapter
	\| xargs -n 11 ffmpeg # construct argument list with maximum of 11 arguments and execute ffmpeg