Mercurial > hg-public > dreambox_tools / file comparison
comparison: ts2mkv.py
ts2mkv.py
- changeset 7
- 0d021d47eca5
- child 8
- 92409c985e0d
equal
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| 6:1420abafd049 | 7:0d021d47eca5 |
|---|---|
| 1 #!/usr/bin/env python | |
| 2 | |
| 3 import subprocess | |
| 4 from eit import readeit | |
| 5 import os, shlex | |
| 6 | |
| 7 def filter_lines(data, search): | |
| 8 ret = [] | |
| 9 for line in data.split("\n"): | |
| 10 if line.find(search) == -1: | |
| 11 continue | |
| 12 ret.append(line) | |
| 13 return "\n".join(ret) | |
| 14 | |
| 15 def run_command(command): | |
| 16 process = subprocess.Popen(shlex.split(command), stdout=subprocess.PIPE) | |
| 17 while True: | |
| 18 output = process.stdout.readline() | |
| 19 if output == '' and process.poll() is not None: | |
| 20 break | |
| 21 if output: | |
| 22 print output.strip() | |
| 23 rc = process.poll() | |
| 24 return rc | |
| 25 | |
| 26 class ts2mkv(object): | |
| 27 def __init__(self): | |
| 28 self.msg_prepare = "" | |
| 29 self.msg_eit = "" | |
| 30 self.msg_ffmpeg = "" | |
| 31 self.command = None | |
| 32 | |
| 33 self.video_options = [ | |
| 34 "-c:v libx264", | |
| 35 "-preset slow", | |
| 36 "-crf 21" | |
| 37 ] | |
| 38 self.audio_options = [ | |
| 39 "-c:a copy", | |
| 40 ] | |
| 41 | |
| 42 | |
| 43 def get_stream_index(self, data): | |
| 44 idx = data.find("Stream #") | |
| 45 if idx == -1: | |
| 46 return "" | |
| 47 idx += 8 | |
| 48 self.msg_prepare += "Selecting: %s\n" % data | |
| 49 return data[idx:idx+3] | |
| 50 | |
| 51 def get_movie_description(self, filename): | |
| 52 # read the EIT file | |
| 53 # TODO: fallback to meta file if no EIT | |
| 54 # TODO: is there a way to get the imdb for the movie automagically? | |
| 55 # http://www.omdbapi.com/apikey.aspx | |
| 56 self.msg_eit = readeit(os.path.splitext(filename)[0] + ".eit") | |
| 57 | |
| 58 def get_ffmpeg_command(self, filename): | |
| 59 commands = [] | |
| 60 fn = "\\'".join(p for p in filename.split("'")) | |
| 61 | |
| 62 p = subprocess.Popen(["ffmpeg", "-i", fn], | |
| 63 stdout=subprocess.PIPE, stderr=subprocess.PIPE) | |
| 64 out, err = p.communicate() | |
| 65 self.msg_ffmpeg = out + "\n" + err | |
| 66 self.msg_ffmpeg = self.msg_ffmpeg[self.msg_ffmpeg.find("Input #0"):] | |
| 67 # find "Stream #0:" lines | |
| 68 info = filter_lines(self.msg_ffmpeg, "Stream #0:") | |
| 69 | |
| 70 fn = fn.replace(" ", "\\ ") | |
| 71 | |
| 72 # CRAP! ffmpeg cannot decode dvb_teletext streams to srt :( | |
| 73 # are there any subtitle streams?! | |
| 74 #s = filter_lines(info, "Subtitle:") | |
| 75 #s = filter_lines(s, "(deu):") | |
| 76 #if s != "": | |
| 77 # s = self.get_stream_index(s.split("\n")[0]) | |
| 78 # commands.append([ | |
| 79 # "ffmpeg", | |
| 80 # "-txt_format text", | |
| 81 # "-i %s" % fn, | |
| 82 # "-map %s" % s, | |
| 83 # "%s.srt" % os.path.splitext(fn)[0] | |
| 84 # ]) | |
| 85 | |
| 86 v = self.get_stream_index( | |
| 87 filter_lines(info, "Video:")) | |
| 88 if v == "": | |
| 89 print "No video stream found" | |
| 90 return None | |
| 91 | |
| 92 audioall = filter_lines(info, "Audio:") | |
| 93 audio = filter_lines(audioall, "(deu):") | |
| 94 a = self.get_stream_index( | |
| 95 filter_lines(audio, "ac3")) | |
| 96 # TODO: wenn kein ac3 stream dann dts oder mpeg fallback | |
| 97 audiomap = [a] | |
| 98 if a == "": | |
| 99 print "No suitable german audio stream found" | |
| 100 return None | |
| 101 | |
| 102 audio = filter_lines(audioall, "(eng):") | |
| 103 a = self.get_stream_index( | |
| 104 filter_lines(audio, "ac3")) | |
| 105 if a != "": | |
| 106 # append english audio too! | |
| 107 audiomap.append(a) | |
| 108 | |
| 109 | |
| 110 self.msg_prepare += "Video Stream selected: Stream #%s\n" % v | |
| 111 cmd = [ | |
| 112 "ffmpeg", | |
| 113 "-i %s" % fn, | |
| 114 "-map %s" % v, | |
| 115 ] | |
| 116 for a in audiomap: | |
| 117 self.msg_prepare += "Audio Stream selected: Stream #%s\n" % a | |
| 118 cmd.append("-map %s" % a) | |
| 119 cmd.extend(self.video_options) | |
| 120 cmd.extend(self.audio_options) | |
| 121 cmd.append(os.path.splitext(fn)[0] + ".mkv") | |
| 122 | |
| 123 commands.append(" ".join(cmd)) | |
| 124 return commands | |
| 125 | |
| 126 def load(self, filename): | |
| 127 self.filename = filename | |
| 128 self.get_movie_description(filename) | |
| 129 self.command = self.get_ffmpeg_command(filename) | |
| 130 | |
| 131 if __name__ == "__main__": | |
| 132 import sys | |
| 133 os.system('cls' if os.name == 'nt' else 'clear') | |
| 134 | |
| 135 # TODO: get file from commandline | |
| 136 filename = "testfiles/chappie.ts" | |
| 137 | |
| 138 mkv = ts2mkv() | |
| 139 mkv.load(filename) | |
| 140 if mkv.command: | |
| 141 fd = open(os.path.splitext(filename)[0] + ".txt", "wb") | |
| 142 fd.write(mkv.msg_eit) | |
| 143 fd.write("\n\n# ---DEBUG---\n\n") | |
| 144 fd.write(mkv.msg_prepare) | |
| 145 fd.write(mkv.msg_ffmpeg) | |
| 146 fd.close() | |
| 147 print mkv.msg_ffmpeg | |
| 148 | |
| 149 for cmd in mkv.command: | |
| 150 print "Executing ffmpeg:\n%s\n" % " ".join(cmd) | |
| 151 run_command(cmd) |
