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authorremitamine <remitamine@gmail.com>2016-05-05 21:41:30 +0100
committerRemita Amine <remitamine@gmail.com>2017-05-02 20:41:48 +0100
commitfa2a36d9bcaddf793e8bac281f5fa7859af16a46 (patch)
treec7d414a4759d6770aa801c9a7c01b52c7f912d3a /youtube_dl
parent55949fede6da7c2d612f56863196eadcbc583de9 (diff)
[ffmpeg] add support for chapters field postprocessing
Diffstat (limited to 'youtube_dl')
-rw-r--r--youtube_dl/postprocessor/ffmpeg.py31
1 files changed, 28 insertions, 3 deletions
diff --git a/youtube_dl/postprocessor/ffmpeg.py b/youtube_dl/postprocessor/ffmpeg.py
index 665109558..c91ec8588 100644
--- a/youtube_dl/postprocessor/ffmpeg.py
+++ b/youtube_dl/postprocessor/ffmpeg.py
@@ -4,6 +4,7 @@ import io
import os
import subprocess
import time
+import re
from .common import AudioConversionError, PostProcessor
@@ -22,6 +23,7 @@ from ..utils import (
subtitles_filename,
dfxp2srt,
ISO639Utils,
+ replace_extension,
)
@@ -429,17 +431,40 @@ class FFmpegMetadataPP(FFmpegPostProcessor):
filename = info['filepath']
temp_filename = prepend_extension(filename, 'temp')
+ in_filenames = [filename]
+ options = []
if info['ext'] == 'm4a':
- options = ['-vn', '-acodec', 'copy']
+ options.extend(['-vn', '-acodec', 'copy'])
else:
- options = ['-c', 'copy']
+ options.extend(['-c', 'copy'])
for (name, value) in metadata.items():
options.extend(['-metadata', '%s=%s' % (name, value)])
+ chapters = info.get('chapters', [])
+ if chapters:
+ metadata_filename = encodeFilename(replace_extension(filename, 'meta'))
+ with io.open(metadata_filename, 'wt', encoding='utf-8') as f:
+ def ffmpeg_escape(text):
+ return re.sub(r'(=|;|#|\\|\n)', r'\\\1', text)
+
+ metadata_file_content = ';FFMETADATA1\n'
+ for chapter in chapters:
+ metadata_file_content += '[CHAPTER]\nTIMEBASE=1/1000\n'
+ metadata_file_content += 'START=%d\n' % (chapter['start_time'] * 1000)
+ metadata_file_content += 'END=%d\n' % (chapter['end_time'] * 1000)
+ chapter_title = chapter.get('title')
+ if chapter_title:
+ metadata_file_content += 'title=%s\n' % ffmpeg_escape(chapter_title)
+ f.write(metadata_file_content)
+ in_filenames.append(metadata_filename)
+ options.extend(['-map_metadata', '1'])
+
self._downloader.to_screen('[ffmpeg] Adding metadata to \'%s\'' % filename)
- self.run_ffmpeg(filename, temp_filename, options)
+ self.run_ffmpeg_multiple_files(in_filenames, temp_filename, options)
+ if chapters:
+ os.remove(metadata_filename)
os.remove(encodeFilename(filename))
os.rename(encodeFilename(temp_filename), encodeFilename(filename))
return [], info