player
parent
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#!/usr/bin/env python3
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import re, sys, re, json, math
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"""
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Usage:
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ogginfo some.ogg | python3 ogginfo-to-srt.py > some.json
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EXAMPLE OF OGGINFO OUTPUT
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User comments section follows...
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title=one
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ENCODER=Liquidsoap/1.3.3 (Unix; OCaml 4.05.0)
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Vorbis stream 1:
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Total data length: 2882 bytes
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Playback length: 0m:00.704s
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Average bitrate: 32.731445 kb/s
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"""
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################################
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# PASS 1: Read the structure
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def parse_ogginfo_output(f):
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state = ""
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output = {}
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output['streams'] = streams = []
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time = 0.0
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for line in f:
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# for debugging
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# print (line.rstrip())
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if line.startswith("User comments section follows..."):
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print ("COMMENTS", file=sys.stderr)
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state = "comments"
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stream = {}
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stream['comments'] = comments = {}
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streams.append(stream)
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elif line.startswith("Vorbis stream"):
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print ("STREAM", file=sys.stderr)
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state = "stream"
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if 'stream' in stream:
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stream = {}
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stream['stream'] = streaminfo = {}
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streams.append(stream)
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else:
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stream['stream'] = streaminfo = {}
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elif line.startswith("Logical stream"):
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print ("EXIT STATE", file=sys.stderr)
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state = ""
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else:
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if state == "comments":
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name, value = line.strip().split("=", 1)
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name = name.strip()
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value = value.strip()
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print ("comment", (name, value), file=sys.stderr)
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comments[name] = value
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elif state == "stream":
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name, value = line.strip().split(":", 1)
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name = name.strip()
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value = value.strip()
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print ("stream", (name, value), file=sys.stderr)
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streaminfo[name] = value
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return output
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################################
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# PASS 2: Add start time, duration, and timecodes
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def parse_ogginfo_time (t):
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m = re.search(r"(\d+)m\:(\d+\.\d+)s", t)
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if m:
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m, s = m.groups()
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m = int(m)
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s = float(s)
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return (m*60)+s
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def timecode_fromsecs(rawsecs, fract=True, alwaysfract=True, fractdelim='.', alwayshours=False):
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# returns a string in HH:MM:SS[.xxx] notation
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# if fract is True, uses .xxx if either necessary (non-zero)
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# OR alwaysfract is True
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hours = math.floor(rawsecs / 3600)
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rawsecs -= hours * 3600
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mins = math.floor(rawsecs / 60)
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rawsecs -= mins * 60
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if fract:
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secs = math.floor(rawsecs)
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rawsecs -= secs
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if (rawsecs > 0 or alwaysfract):
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fract = "%.03f" % rawsecs
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if hours or alwayshours:
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return "%02d:%02d:%02d%s%s" % (hours, mins, secs, fractdelim, \
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fract[2:])
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else:
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return "%02d:%02d%s%s" % (mins, secs, fractdelim, fract[2:])
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else:
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if hours or alwayshours:
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return "%02d:%02d:%02d" % (hours, mins, secs)
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else:
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return "%02d:%02d" % (mins, secs)
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def add_timing (output):
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t = 0.0
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for d in output['streams']:
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duration_seconds = parse_ogginfo_time(d['stream']['Playback length'])
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d['start_time'] = t
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d['start_time_timecode'] = timecode_fromsecs(t)
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d['duration'] = duration_seconds
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d['duration_timecode'] = timecode_fromsecs(duration_seconds)
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t += duration_seconds
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def nextiter (items):
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prev_item = None
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for x in items:
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if (prev_item):
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yield prev_item, x
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prev_item = x
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yield x, None
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def print_srt(data, last_subtitle_duration=5.0, file=None):
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for cur, nxt in nextiter(data['streams']):
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if nxt:
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print ("{} --> {}".format(cur['start_time_timecode'], nxt['start_time_timecode']), file=file)
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print (json.dumps(cur['comments']), file=file)
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print (file=file)
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else:
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end_timecode = timecode_fromsecs(cur['start_time'] + last_subtitle_duration)
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print ("{} --> {}".format(cur['start_time_timecode'], end_timecode), file=file)
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print (json.dumps(cur['comments']), file=file)
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print (file=file)
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if __name__ == "__main__":
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import argparse
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ap = argparse.ArgumentParser("")
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ap.add_argument("--input", type=argparse.FileType("r"), default=sys.stdin)
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ap.add_argument("--output", type=argparse.FileType("w"), default=sys.stdout)
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ap.add_argument("--last-subtitle-duration", type=float, default=5.0)
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ap.add_argument("--json", default=False, action="store_true")
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ap.add_argument("--vtt", default=False, action="store_true")
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args = ap.parse_args()
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output = parse_ogginfo_output(args.input)
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add_timing(output)
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if args.json:
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print (json.dumps(output, indent=2), file=args.output)
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else:
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if args.vtt:
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print ("""WEBVTT
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Kind: captions
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Language: en
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""", file=args.output)
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print_srt(output, last_subtitle_duration=args.last_subtitle_duration, file=args.output)
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@ -0,0 +1,11 @@
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lineno=0
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while read line
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do
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lineno=$((lineno+1))
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espeak "$line"
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filename=`printf "speech%04d" $lineno`
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espeak "$line" -w "$filename.wav"
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ffmpeg -i "$filename.wav" -metadata title="$line" -y $filename.mp3 > /dev/null 2> /dev/null
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# rm "$filename.wav"
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done
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