# basically, write a proper implementation of manifest parsing and chunk
# downloading
-
-__description = "Download videos served using Smooth Streaming technology"
-__version = "0.x"
-__author_info = "Written by Antonio Ospite http://ao2.it"
-
import os
import re
import sys
from optparse import OptionParser
from urlparse import urlparse, urlunparse
+__description__ = "Download videos served using Smooth Streaming technology"
+__version__ = "0.x"
+__author_info__ = "Written by Antonio Ospite http://ao2.it"
+
def get_chunk_data(data):
data_start = moof_size + 4 + len('mdat')
data_size = mdat_size - 4 - len('mdat')
- #print len(data[data_start:]), \
+ # print len(data[data_start:]), \
# len(data[data_start:data_start + data_size]), data_size
- assert(len(data[data_start:]) == data_size)
+ assert len(data[data_start:]) == data_size
return data[data_start:data_start + data_size]
def hexstring_to_bytes(hex_string):
res = ""
for i in range(0, len(hex_string), 2):
- res += chr(int(hex_string[i:i + 2], 16))
+ res += chr(int(hex_string[i:i + 2], 16))
return res
out_file.write("data")
out_file.write(struct.pack('<L', data_len))
+
def download_file(src_url, dest_file, mode):
try:
response = urllib2.urlopen(src_url)
data = response.read()
- except urllib2.HTTPError as e:
+ except urllib2.HTTPError:
sys.stderr.write("Error while dowloading URL: %s" % src_url)
raise
return data
+
def get_manifest(url, dest_dir=tempfile.gettempdir()):
"""Returns the manifest and the new URL if this is changed"""
- if os.path.exists(dest_dir) == False:
+ if not os.path.exists(dest_dir):
os.mkdir(dest_dir, 0755)
# Remove the querystring if present
# if some intermediate client Manifest is used, like in Rai Replay
clip = manifest.find("Clip")
manifest_url = clip.attrib["Url"]
- except:
+ manifest = download_file(manifest_url, None, None)
+ except AttributeError:
pass
manifest_pattern = re.compile("/manifest$", re.IGNORECASE)
for i, s in enumerate(streams):
stream_type = s.attrib["Type"]
- url = s.attrib["Url"]
print "Stream: %s Type: %s" % (i, stream_type)
channels = q.attrib["Channels"]
sampling_rate = q.attrib["SamplingRate"]
bits_per_sample = q.attrib["BitsPerSample"]
- print "\t%2s: %4s %sHz %sbits %sch @ %7s bps" % (i, fourcc,
- sampling_rate, bits_per_sample, channels, bitrate)
+ print "\t%2s: %4s %sHz %sbits %sch @ %7s bps" % \
+ (i, fourcc, sampling_rate, bits_per_sample, channels,
+ bitrate)
print
url = stream.attrib["Url"]
chunks_quality = url.split('/')[0].replace("{bitrate}", bitrate)
- chunks_quality = chunks_quality.replace("{CustomAttributes}", custom_attributes)
+ chunks_quality = chunks_quality.replace("{CustomAttributes}",
+ custom_attributes)
return chunks_quality
def download_chunks(base_url, manifest, stream_index, quality_level, dest_dir):
- if os.path.exists(dest_dir) == False:
+ if not os.path.exists(dest_dir):
os.mkdir(dest_dir, 0755)
stream = manifest.findall('.//StreamIndex')[stream_index]
chunks_quality = get_chunk_quality_string(stream, quality_level)
chunks_dest_dir = os.path.join(dest_dir, chunks_quality)
- if os.path.exists(chunks_dest_dir) == False:
+ if not os.path.exists(chunks_dest_dir):
os.mkdir(chunks_dest_dir, 0755)
chunks = stream.findall("c")
for i, c in enumerate(chunks):
chunk_name = get_chunk_name_string(stream, c)
- chunk_file = os.path.join(dest_dir, chunks_quality, chunk_name)
+ chunk_file = os.path.join(dest_dir, chunks_quality, chunk_name)
- if os.path.exists(chunk_file) == False:
+ if not os.path.exists(chunk_file):
chunk_url = base_url + '/' + chunks_quality + '/' + chunk_name
data = download_file(chunk_url, chunk_file, "wb")
else:
def rebuild_stream(manifest, stream_index, quality_level, src_dir,
- dest_file_name, final_dest_file=None):
+ dest_file_name, final_dest_file=None):
- if final_dest_file == None:
+ if final_dest_file is None:
final_dest_file = dest_file_name
stream = manifest.findall('.//StreamIndex')[stream_index]
# calc difference in seconds
delay = s2_start_time / s2_timescale - \
- s1_start_time / s1_timescale
+ s1_start_time / s1_timescale
return delay
def smooth_download(url, manifest, dest_dir=tempfile.gettempdir(),
- video_stream_index=0, audio_stream_index=1,
- video_quality_level=0, audio_quality_level=0,
- chunks_dir=None, download=True,
- out_video_file='_video.vc1', out_audio_file='_audio.raw'):
+ video_stream_index=0, audio_stream_index=1,
+ video_quality_level=0, audio_quality_level=0,
+ chunks_dir=None, download=True,
+ out_video_file='_video.vc1', out_audio_file='_audio.raw'):
- if chunks_dir == None:
- chunks_dir = dest_dir
+ if chunks_dir is None:
+ chunks_dir = dest_dir
- if download:
- download_chunks(url, manifest, video_stream_index,
- video_quality_level, chunks_dir)
- download_chunks(url, manifest, audio_stream_index,
- audio_quality_level, chunks_dir)
+ if download:
+ download_chunks(url, manifest, video_stream_index,
+ video_quality_level, chunks_dir)
+ download_chunks(url, manifest, audio_stream_index,
+ audio_quality_level, chunks_dir)
- dest_video = os.path.join(dest_dir, out_video_file)
- dest_audio = os.path.join(dest_dir, out_audio_file)
+ dest_video = os.path.join(dest_dir, out_video_file)
+ dest_audio = os.path.join(dest_dir, out_audio_file)
- rebuild_stream(manifest, video_stream_index, video_quality_level,
- chunks_dir, dest_video)
- rebuild_stream(manifest, audio_stream_index, audio_quality_level,
- chunks_dir, dest_audio, dest_audio + '.wav')
+ rebuild_stream(manifest, video_stream_index, video_quality_level,
+ chunks_dir, dest_video)
+ rebuild_stream(manifest, audio_stream_index, audio_quality_level,
+ chunks_dir, dest_audio, dest_audio + '.wav')
- #duration = get_clip_duration(manifest)
+ # duration = get_clip_duration(manifest)
- delay = calc_tracks_delay(manifest, video_stream_index,
- audio_stream_index)
+ delay = calc_tracks_delay(manifest, video_stream_index,
+ audio_stream_index)
- # optionally encode audio to vorbis:
- # ffmpeg -i _audio.raw.wav -acodec libvorbis -aq 60 audio.ogg
- mux_command = ("ffmpeg -i %s \\\n" +
- " -itsoffset %f -async 1 -i %s \\\n" +
- " -vcodec copy -acodec copy ffout.mkv") % \
- (dest_video, delay, dest_audio + '.wav')
+ # optionally encode audio to vorbis:
+ # ffmpeg -i _audio.raw.wav -acodec libvorbis -aq 60 audio.ogg
+ mux_command = ("ffmpeg -i %s \\\n" +
+ " -itsoffset %f -async 1 -i %s \\\n" +
+ " -vcodec copy -acodec copy ffout.mkv") % \
+ (dest_video, delay, dest_audio + '.wav')
- print mux_command
+ print mux_command
def options_parser():
- version = "%%prog %s" % __version
+ version = "%%prog %s" % __version__
usage = "usage: %prog [options] <manifest URL or file>"
parser = OptionParser(usage=usage, version=version,
- description=__description, epilog=__author_info)
+ description=__description__, epilog=__author_info__)
parser.add_option("-i", "--info",
action="store_true", dest="info_only",
default=False, help="print Manifest info and exit")
parser.add_option("-c", "--chunks-dir", metavar="<dir>",
dest="chunks_dir", default=None,
help="directory containing chunks, if different from destination dir")
- parser.add_option("-v", "--video-stream", metavar="<n>",
+ parser.add_option("-v", "--video-stream", metavar="<n>",
type="int", dest="video_stream_index", default=0,
help="index of the video stream")
parser.add_option("-a", "--audio-stream", metavar="<n>",
return parser
-if __name__ == "__main__":
-
+def main():
parser = options_parser()
(options, args) = parser.parse_args()
if options.sync_delay:
print calc_tracks_delay(manifest,
- options.video_stream_index,
- options.audio_stream_index)
+ options.video_stream_index,
+ options.audio_stream_index)
parser.exit(0)
if options.info_only:
print_manifest_info(manifest)
smooth_download(url, manifest, options.dest_dir,
- options.video_stream_index, options.audio_stream_index,
- options.video_quality_level, options.audio_quality_level,
- options.chunks_dir, options.download)
+ options.video_stream_index, options.audio_stream_index,
+ options.video_quality_level, options.audio_quality_level,
+ options.chunks_dir, options.download)
+
+
+if __name__ == "__main__":
+ main()
projects / smooth-dl.git / blobdiff