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[youtube] Fixup DASH m4a headers

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This fixes #2288, #2506, #2607, #3681, #4741, #4767.
This commit is contained in:
Philipp Hagemeister 2015-01-23 18:39:12 +01:00
parent d229ee70da
commit 62cd676c74
4 changed files with 47 additions and 9 deletions
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28
youtube_dl/YoutubeDL.py
View file

@ -73,6 +73,7 @@ from .extractor import get_info_extractor, gen_extractors
from .downloader import get_suitable_downloader
from .downloader.rtmp import rtmpdump_version
from .postprocessor import (
FFmpegFixupM4aPP,
FFmpegFixupStretchedPP,
FFmpegMergerPP,
FFmpegPostProcessor,
@ -213,7 +214,7 @@ class YoutubeDL(object):
- "never": do nothing
- "warn": only emit a warning
- "detect_or_warn": check whether we can do anything
about it, warn otherwise
about it, warn otherwise (default)
source_address: (Experimental) Client-side IP address to bind to.
call_home: Boolean, true iff we are allowed to contact the
youtube-dl servers for debugging.
@ -1219,11 +1220,12 @@ class YoutubeDL(object):
if success:
# Fixup content
fixup_policy = self.params.get('fixup')
if fixup_policy is None:
fixup_policy = 'detect_or_warn'
stretched_ratio = info_dict.get('stretched_ratio')
if stretched_ratio is not None and stretched_ratio != 1:
fixup_policy = self.params.get('fixup')
if fixup_policy is None:
fixup_policy = 'detect_or_warn'
if fixup_policy == 'warn':
self.report_warning('%s: Non-uniform pixel ratio (%s)' % (
info_dict['id'], stretched_ratio))
@ -1237,7 +1239,23 @@ class YoutubeDL(object):
'%s: Non-uniform pixel ratio (%s). Install ffmpeg or avconv to fix this automatically.' % (
info_dict['id'], stretched_ratio))
else:
assert fixup_policy == 'ignore'
assert fixup_policy in ('ignore', 'never')
if info_dict.get('requested_formats') is None and info_dict.get('container') == 'm4a_dash':
if fixup_policy == 'warn':
self.report_warning('%s: writing DASH m4a. Only some players support this container.' % (
info_dict['id']))
elif fixup_policy == 'detect_or_warn':
fixup_pp = FFmpegFixupM4aPP(self)
if fixup_pp.available:
info_dict.setdefault('__postprocessors', [])
info_dict['__postprocessors'].append(fixup_pp)
else:
self.report_warning(
'%s: writing DASH m4a. Only some players support this container. Install ffmpeg or avconv to fix this automatically.' % (
info_dict['id']))
else:
assert fixup_policy in ('ignore', 'never')
try:
self.post_process(filename, info_dict)

6
youtube_dl/extractor/youtube.py
View file

@ -264,9 +264,9 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
'266': {'ext': 'mp4', 'height': 2160, 'format_note': 'DASH video', 'acodec': 'none', 'preference': -40, 'vcodec': 'h264'},
# Dash mp4 audio
'139': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'vcodec': 'none', 'abr': 48, 'preference': -50},
'140': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'vcodec': 'none', 'abr': 128, 'preference': -50},
'141': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'vcodec': 'none', 'abr': 256, 'preference': -50},
'139': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'vcodec': 'none', 'abr': 48, 'preference': -50, 'container': 'm4a_dash'},
'140': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'vcodec': 'none', 'abr': 128, 'preference': -50, 'container': 'm4a_dash'},
'141': {'ext': 'm4a', 'format_note': 'DASH audio', 'acodec': 'aac', 'vcodec': 'none', 'abr': 256, 'preference': -50, 'container': 'm4a_dash'},
# Dash webm
'167': {'ext': 'webm', 'height': 360, 'width': 640, 'format_note': 'DASH video', 'acodec': 'none', 'container': 'webm', 'vcodec': 'VP8', 'preference': -40},

2
youtube_dl/postprocessor/__init__.py
View file

@ -7,6 +7,7 @@ from .ffmpeg import (
FFmpegEmbedSubtitlePP,
FFmpegExtractAudioPP,
FFmpegFixupStretchedPP,
FFmpegFixupM4aPP,
FFmpegMergerPP,
FFmpegMetadataPP,
FFmpegVideoConvertorPP,
@ -25,6 +26,7 @@ __all__ = [
'FFmpegAudioFixPP',
'FFmpegEmbedSubtitlePP',
'FFmpegExtractAudioPP',
'FFmpegFixupM4aPP',
'FFmpegFixupStretchedPP',
'FFmpegMergerPP',
'FFmpegMetadataPP',

20
youtube_dl/postprocessor/ffmpeg.py
View file

@ -564,7 +564,7 @@ class FFmpegFixupStretchedPP(FFmpegPostProcessor):
def run(self, info):
stretched_ratio = info.get('stretched_ratio')
if stretched_ratio is None or stretched_ratio == 1:
return
return True, info
filename = info['filepath']
temp_filename = prepend_extension(filename, 'temp')
@ -577,3 +577,21 @@ class FFmpegFixupStretchedPP(FFmpegPostProcessor):
os.rename(encodeFilename(temp_filename), encodeFilename(filename))
return True, info
class FFmpegFixupM4aPP(FFmpegPostProcessor):
def run(self, info):
if info.get('container') != 'm4a_dash':
return True, info
filename = info['filepath']
temp_filename = prepend_extension(filename, 'temp')
options = ['-c', 'copy', '-f', 'mp4']
self._downloader.to_screen('[ffmpeg] Correcting container in "%s"' % filename)
self.run_ffmpeg(filename, temp_filename, options)
os.remove(encodeFilename(filename))
os.rename(encodeFilename(temp_filename), encodeFilename(filename))
return True, info