# PostProcessors
postprocessors = []
- # Add the metadata pp first, the other pps will copy it
if opts.metafromtitle:
postprocessors.append({
'key': 'MetadataFromTitle',
'titleformat': opts.metafromtitle
})
- if opts.addmetadata:
- postprocessors.append({'key': 'FFmpegMetadata'})
if opts.extractaudio:
postprocessors.append({
'key': 'FFmpegExtractAudio',
'key': 'FFmpegVideoConvertor',
'preferedformat': opts.recodevideo,
})
+ # FFmpegMetadataPP should be run after FFmpegVideoConvertorPP and
+ # FFmpegExtractAudioPP as containers before conversion may not support
+ # metadata (3gp, webm, etc.)
+ # And this post-processor should be placed before other metadata
+ # manipulating post-processors (FFmpegEmbedSubtitle) to prevent loss of
+ # extra metadata. By default ffmpeg preserves metadata applicable for both
+ # source and target containers. From this point the container won't change,
+ # so metadata can be added here.
+ if opts.addmetadata:
+ postprocessors.append({'key': 'FFmpegMetadata'})
if opts.convertsubtitles:
postprocessors.append({
'key': 'FFmpegSubtitlesConvertor',
'config_location': opts.config_location,
'geo_bypass': opts.geo_bypass,
'geo_bypass_country': opts.geo_bypass_country,
+ # just for deprecation check
+ 'autonumber': opts.autonumber if opts.autonumber is True else None,
+ 'usetitle': opts.usetitle if opts.usetitle is True else None,
}
with YoutubeDL(ydl_opts) as ydl: