mirror of
https://github.com/ytdl-org/youtube-dl.git
synced 2024-12-12 20:27:23 +01:00
add Basic support for Smooth Streaming protocol(#8118)
This commit is contained in:
Remita Amine
Sergey M
parent
f449c061d0
commit
b2758123c5
@ -1658,7 +1658,7 @@ class YoutubeDL(object):
|
||||
video_ext, audio_ext = audio.get('ext'), video.get('ext')
|
||||
if video_ext and audio_ext:
|
||||
COMPATIBLE_EXTS = (
|
||||
('mp3', 'mp4', 'm4a', 'm4p', 'm4b', 'm4r', 'm4v'),
|
||||
('mp3', 'mp4', 'm4a', 'm4p', 'm4b', 'm4r', 'm4v', 'ismv', 'isma'),
|
||||
('webm')
|
||||
)
|
||||
for exts in COMPATIBLE_EXTS:
|
||||
|
||||
@ -7,6 +7,7 @@ from .http import HttpFD
|
||||
from .rtmp import RtmpFD
|
||||
from .dash import DashSegmentsFD
|
||||
from .rtsp import RtspFD
|
||||
from .ism import IsmFD
|
||||
from .external import (
|
||||
get_external_downloader,
|
||||
FFmpegFD,
|
||||
@ -24,6 +25,7 @@ PROTOCOL_MAP = {
|
||||
'rtsp': RtspFD,
|
||||
'f4m': F4mFD,
|
||||
'http_dash_segments': DashSegmentsFD,
|
||||
'ism': IsmFD,
|
||||
}
|
||||
|
||||
|
||||
|
||||
273
youtube_dl/downloader/ism.py
Normal file
273
youtube_dl/downloader/ism.py
Normal file
@ -0,0 +1,273 @@
|
||||
from __future__ import unicode_literals
|
||||
|
||||
import os
|
||||
import time
|
||||
import struct
|
||||
import binascii
|
||||
import io
|
||||
|
||||
from .fragment import FragmentFD
|
||||
from ..compat import compat_urllib_error
|
||||
from ..utils import (
|
||||
sanitize_open,
|
||||
encodeFilename,
|
||||
)
|
||||
|
||||
|
||||
u8 = struct.Struct(b'>B')
|
||||
u88 = struct.Struct(b'>Bx')
|
||||
u16 = struct.Struct(b'>H')
|
||||
u1616 = struct.Struct(b'>Hxx')
|
||||
u32 = struct.Struct(b'>I')
|
||||
u64 = struct.Struct(b'>Q')
|
||||
|
||||
s88 = struct.Struct(b'>bx')
|
||||
s16 = struct.Struct(b'>h')
|
||||
s1616 = struct.Struct(b'>hxx')
|
||||
s32 = struct.Struct(b'>i')
|
||||
|
||||
unity_matrix = (s32.pack(0x10000) + s32.pack(0) * 3) * 2 + s32.pack(0x40000000)
|
||||
|
||||
TRACK_ENABLED = 0x1
|
||||
TRACK_IN_MOVIE = 0x2
|
||||
TRACK_IN_PREVIEW = 0x4
|
||||
|
||||
SELF_CONTAINED = 0x1
|
||||
|
||||
|
||||
def box(box_type, payload):
|
||||
return u32.pack(8 + len(payload)) + box_type + payload
|
||||
|
||||
|
||||
def full_box(box_type, version, flags, payload):
|
||||
return box(box_type, u8.pack(version) + u32.pack(flags)[1:] + payload)
|
||||
|
||||
|
||||
def write_piff_header(stream, params):
|
||||
track_id = params['track_id']
|
||||
fourcc = params['fourcc']
|
||||
duration = params['duration']
|
||||
timescale = params.get('timescale', 10000000)
|
||||
language = params.get('language', 'und')
|
||||
height = params.get('height', 0)
|
||||
width = params.get('width', 0)
|
||||
is_audio = width == 0 and height == 0
|
||||
creation_time = modification_time = int(time.time())
|
||||
|
||||
ftyp_payload = b'isml' # major brand
|
||||
ftyp_payload += u32.pack(1) # minor version
|
||||
ftyp_payload += b'piff' + b'iso2' # compatible brands
|
||||
stream.write(box(b'ftyp', ftyp_payload)) # File Type Box
|
||||
|
||||
mvhd_payload = u64.pack(creation_time)
|
||||
mvhd_payload += u64.pack(modification_time)
|
||||
mvhd_payload += u32.pack(timescale)
|
||||
mvhd_payload += u64.pack(duration)
|
||||
mvhd_payload += s1616.pack(1) # rate
|
||||
mvhd_payload += s88.pack(1) # volume
|
||||
mvhd_payload += u16.pack(0) # reserved
|
||||
mvhd_payload += u32.pack(0) * 2 # reserved
|
||||
mvhd_payload += unity_matrix
|
||||
mvhd_payload += u32.pack(0) * 6 # pre defined
|
||||
mvhd_payload += u32.pack(0xffffffff) # next track id
|
||||
moov_payload = full_box(b'mvhd', 1, 0, mvhd_payload) # Movie Header Box
|
||||
|
||||
tkhd_payload = u64.pack(creation_time)
|
||||
tkhd_payload += u64.pack(modification_time)
|
||||
tkhd_payload += u32.pack(track_id) # track id
|
||||
tkhd_payload += u32.pack(0) # reserved
|
||||
tkhd_payload += u64.pack(duration)
|
||||
tkhd_payload += u32.pack(0) * 2 # reserved
|
||||
tkhd_payload += s16.pack(0) # layer
|
||||
tkhd_payload += s16.pack(0) # alternate group
|
||||
tkhd_payload += s88.pack(1 if is_audio else 0) # volume
|
||||
tkhd_payload += u16.pack(0) # reserved
|
||||
tkhd_payload += unity_matrix
|
||||
tkhd_payload += u1616.pack(width)
|
||||
tkhd_payload += u1616.pack(height)
|
||||
trak_payload = full_box(b'tkhd', 1, TRACK_ENABLED | TRACK_IN_MOVIE | TRACK_IN_PREVIEW, tkhd_payload) # Track Header Box
|
||||
|
||||
mdhd_payload = u64.pack(creation_time)
|
||||
mdhd_payload += u64.pack(modification_time)
|
||||
mdhd_payload += u32.pack(timescale)
|
||||
mdhd_payload += u64.pack(duration)
|
||||
mdhd_payload += u16.pack(((ord(language[0]) - 0x60) << 10) | ((ord(language[1]) - 0x60) << 5) | (ord(language[2]) - 0x60))
|
||||
mdhd_payload += u16.pack(0) # pre defined
|
||||
mdia_payload = full_box(b'mdhd', 1, 0, mdhd_payload) # Media Header Box
|
||||
|
||||
hdlr_payload = u32.pack(0) # pre defined
|
||||
hdlr_payload += b'soun' if is_audio else b'vide' # handler type
|
||||
hdlr_payload += u32.pack(0) * 3 # reserved
|
||||
hdlr_payload += (b'Sound' if is_audio else b'Video') + b'Handler\0' # name
|
||||
mdia_payload += full_box(b'hdlr', 0, 0, hdlr_payload) # Handler Reference Box
|
||||
|
||||
if is_audio:
|
||||
smhd_payload = s88.pack(0) # balance
|
||||
smhd_payload = u16.pack(0) # reserved
|
||||
media_header_box = full_box(b'smhd', 0, 0, smhd_payload) # Sound Media Header
|
||||
else:
|
||||
vmhd_payload = u16.pack(0) # graphics mode
|
||||
vmhd_payload += u16.pack(0) * 3 # opcolor
|
||||
media_header_box = full_box(b'vmhd', 0, 1, vmhd_payload) # Video Media Header
|
||||
minf_payload = media_header_box
|
||||
|
||||
dref_payload = u32.pack(1) # entry count
|
||||
dref_payload += full_box(b'url ', 0, SELF_CONTAINED, b'') # Data Entry URL Box
|
||||
dinf_payload = full_box(b'dref', 0, 0, dref_payload) # Data Reference Box
|
||||
minf_payload += box(b'dinf', dinf_payload) # Data Information Box
|
||||
|
||||
stsd_payload = u32.pack(1) # entry count
|
||||
|
||||
sample_entry_payload = u8.pack(0) * 6 # reserved
|
||||
sample_entry_payload += u16.pack(1) # data reference index
|
||||
if is_audio:
|
||||
sample_entry_payload += u32.pack(0) * 2 # reserved
|
||||
sample_entry_payload += u16.pack(params.get('channels', 2))
|
||||
sample_entry_payload += u16.pack(params.get('bits_per_sample', 16))
|
||||
sample_entry_payload += u16.pack(0) # pre defined
|
||||
sample_entry_payload += u16.pack(0) # reserved
|
||||
sample_entry_payload += u1616.pack(params['sampling_rate'])
|
||||
|
||||
if fourcc == 'AACL':
|
||||
smaple_entry_box = box(b'mp4a', sample_entry_payload)
|
||||
else:
|
||||
sample_entry_payload = sample_entry_payload
|
||||
sample_entry_payload += u16.pack(0) # pre defined
|
||||
sample_entry_payload += u16.pack(0) # reserved
|
||||
sample_entry_payload += u32.pack(0) * 3 # pre defined
|
||||
sample_entry_payload += u16.pack(width)
|
||||
sample_entry_payload += u16.pack(height)
|
||||
sample_entry_payload += u1616.pack(0x48) # horiz resolution 72 dpi
|
||||
sample_entry_payload += u1616.pack(0x48) # vert resolution 72 dpi
|
||||
sample_entry_payload += u32.pack(0) # reserved
|
||||
sample_entry_payload += u16.pack(1) # frame count
|
||||
sample_entry_payload += u8.pack(0) * 32 # compressor name
|
||||
sample_entry_payload += u16.pack(0x18) # depth
|
||||
sample_entry_payload += s16.pack(-1) # pre defined
|
||||
|
||||
codec_private_data = binascii.unhexlify(params['codec_private_data'])
|
||||
if fourcc in ('H264', 'AVC1'):
|
||||
sps, pps = codec_private_data.split(u32.pack(1))[1:]
|
||||
avcc_payload = u8.pack(1) # configuration version
|
||||
avcc_payload += sps[1] # avc profile indication
|
||||
avcc_payload += sps[2] # profile compatibility
|
||||
avcc_payload += sps[3] # avc level indication
|
||||
avcc_payload += u8.pack(0xfc | (params.get('nal_unit_length_field', 4) - 1)) # complete represenation (1) + reserved (11111) + length size minus one
|
||||
avcc_payload += u8.pack(1) # reserved (0) + number of sps (0000001)
|
||||
avcc_payload += u16.pack(len(sps))
|
||||
avcc_payload += sps
|
||||
avcc_payload += u8.pack(1) # number of pps
|
||||
avcc_payload += u16.pack(len(pps))
|
||||
avcc_payload += pps
|
||||
sample_entry_payload += box(b'avcC', avcc_payload) # AVC Decoder Configuration Record
|
||||
smaple_entry_box = box(b'avc1', sample_entry_payload) # AVC Simple Entry
|
||||
stsd_payload += smaple_entry_box
|
||||
|
||||
stbl_payload = full_box(b'stsd', 0, 0, stsd_payload) # Sample Description Box
|
||||
|
||||
stts_payload = u32.pack(0) # entry count
|
||||
stbl_payload += full_box(b'stts', 0, 0, stts_payload) # Decoding Time to Sample Box
|
||||
|
||||
stsc_payload = u32.pack(0) # entry count
|
||||
stbl_payload += full_box(b'stsc', 0, 0, stsc_payload) # Sample To Chunk Box
|
||||
|
||||
stco_payload = u32.pack(0) # entry count
|
||||
stbl_payload += full_box(b'stco', 0, 0, stco_payload) # Chunk Offset Box
|
||||
|
||||
minf_payload += box(b'stbl', stbl_payload) # Sample Table Box
|
||||
|
||||
mdia_payload += box(b'minf', minf_payload) # Media Information Box
|
||||
|
||||
trak_payload += box(b'mdia', mdia_payload) # Media Box
|
||||
|
||||
moov_payload += box(b'trak', trak_payload) # Track Box
|
||||
|
||||
mehd_payload = u64.pack(duration)
|
||||
mvex_payload = full_box(b'mehd', 1, 0, mehd_payload) # Movie Extends Header Box
|
||||
|
||||
trex_payload = u32.pack(track_id) # track id
|
||||
trex_payload += u32.pack(1) # default sample description index
|
||||
trex_payload += u32.pack(0) # default sample duration
|
||||
trex_payload += u32.pack(0) # default sample size
|
||||
trex_payload += u32.pack(0) # default sample flags
|
||||
mvex_payload += full_box(b'trex', 0, 0, trex_payload) # Track Extends Box
|
||||
|
||||
moov_payload += box(b'mvex', mvex_payload) # Movie Extends Box
|
||||
stream.write(box(b'moov', moov_payload)) # Movie Box
|
||||
|
||||
|
||||
def extract_box_data(data, box_sequence):
|
||||
data_reader = io.BytesIO(data)
|
||||
while True:
|
||||
box_size = u32.unpack(data_reader.read(4))[0]
|
||||
box_type = data_reader.read(4)
|
||||
if box_type == box_sequence[0]:
|
||||
box_data = data_reader.read(box_size - 8)
|
||||
if len(box_sequence) == 1:
|
||||
return box_data
|
||||
return extract_box_data(box_data, box_sequence[1:])
|
||||
data_reader.seek(box_size - 8, 1)
|
||||
|
||||
|
||||
class IsmFD(FragmentFD):
|
||||
"""
|
||||
Download segments in a ISM manifest
|
||||
"""
|
||||
|
||||
FD_NAME = 'ism'
|
||||
|
||||
def real_download(self, filename, info_dict):
|
||||
segments = info_dict['fragments'][:1] if self.params.get(
|
||||
'test', False) else info_dict['fragments']
|
||||
|
||||
ctx = {
|
||||
'filename': filename,
|
||||
'total_frags': len(segments),
|
||||
}
|
||||
|
||||
self._prepare_and_start_frag_download(ctx)
|
||||
|
||||
segments_filenames = []
|
||||
|
||||
fragment_retries = self.params.get('fragment_retries', 0)
|
||||
skip_unavailable_fragments = self.params.get('skip_unavailable_fragments', True)
|
||||
|
||||
track_written = False
|
||||
for i, segment in enumerate(segments):
|
||||
segment_url = segment['url']
|
||||
segment_name = 'Frag%d' % i
|
||||
target_filename = '%s-%s' % (ctx['tmpfilename'], segment_name)
|
||||
count = 0
|
||||
while count <= fragment_retries:
|
||||
try:
|
||||
success = ctx['dl'].download(target_filename, {'url': segment_url})
|
||||
if not success:
|
||||
return False
|
||||
down, target_sanitized = sanitize_open(target_filename, 'rb')
|
||||
down_data = down.read()
|
||||
if not track_written:
|
||||
tfhd_data = extract_box_data(down_data, [b'moof', b'traf', b'tfhd'])
|
||||
info_dict['_download_params']['track_id'] = u32.unpack(tfhd_data[4:8])[0]
|
||||
write_piff_header(ctx['dest_stream'], info_dict['_download_params'])
|
||||
track_written = True
|
||||
ctx['dest_stream'].write(down_data)
|
||||
down.close()
|
||||
segments_filenames.append(target_sanitized)
|
||||
break
|
||||
except compat_urllib_error.HTTPError as err:
|
||||
count += 1
|
||||
if count <= fragment_retries:
|
||||
self.report_retry_fragment(err, segment_name, count, fragment_retries)
|
||||
if count > fragment_retries:
|
||||
if skip_unavailable_fragments:
|
||||
self.report_skip_fragment(segment_name)
|
||||
continue
|
||||
self.report_error('giving up after %s fragment retries' % fragment_retries)
|
||||
return False
|
||||
|
||||
self._finish_frag_download(ctx)
|
||||
|
||||
for segment_file in segments_filenames:
|
||||
os.remove(encodeFilename(segment_file))
|
||||
|
||||
return True
|
||||
@ -1780,6 +1780,107 @@ class InfoExtractor(object):
|
||||
self.report_warning('Unknown MIME type %s in DASH manifest' % mime_type)
|
||||
return formats
|
||||
|
||||
def _extract_ism_formats(self, ism_url, video_id, ism_id=None, note=None, errnote=None, fatal=True):
|
||||
res = self._download_webpage_handle(
|
||||
ism_url, video_id,
|
||||
note=note or 'Downloading ISM manifest',
|
||||
errnote=errnote or 'Failed to download ISM manifest',
|
||||
fatal=fatal)
|
||||
if res is False:
|
||||
return []
|
||||
ism, urlh = res
|
||||
|
||||
return self._parse_ism_formats(
|
||||
compat_etree_fromstring(ism.encode('utf-8')), urlh.geturl(), ism_id)
|
||||
|
||||
def _parse_ism_formats(self, ism_doc, ism_url, ism_id=None):
|
||||
if ism_doc.get('IsLive') == 'TRUE' or ism_doc.find('Protection') is not None:
|
||||
return []
|
||||
|
||||
ism_base_url = re.match(r'https?://.+/', ism_url).group()
|
||||
|
||||
duration = int(ism_doc.attrib['Duration'])
|
||||
timescale = int_or_none(ism_doc.get('TimeScale')) or 10000000
|
||||
|
||||
formats = []
|
||||
for stream in ism_doc.findall('StreamIndex'):
|
||||
stream_type = stream.get('Type')
|
||||
if stream_type not in ('video', 'audio'):
|
||||
continue
|
||||
url_pattern = stream.attrib['Url']
|
||||
stream_timescale = int_or_none(stream.get('TimeScale')) or timescale
|
||||
stream_name = stream.get('Name')
|
||||
for track in stream.findall('QualityLevel'):
|
||||
fourcc = track.get('FourCC')
|
||||
# TODO: add support for WVC1 and WMAP
|
||||
if fourcc not in ('H264', 'AVC1', 'AACL'):
|
||||
self.report_warning('%s is not a supported codec' % fourcc)
|
||||
continue
|
||||
tbr = int(track.attrib['Bitrate']) // 1000
|
||||
width = int_or_none(track.get('MaxWidth'))
|
||||
height = int_or_none(track.get('MaxHeight'))
|
||||
sampling_rate = int_or_none(track.get('SamplingRate'))
|
||||
|
||||
track_url_pattern = re.sub(r'{[Bb]itrate}', track.attrib['Bitrate'], url_pattern)
|
||||
track_url_pattern = compat_urlparse.urljoin(ism_url, track_url_pattern)
|
||||
|
||||
fragments = []
|
||||
fragment_ctx = {
|
||||
'time': 0,
|
||||
}
|
||||
stream_fragments = stream.findall('c')
|
||||
for stream_fragment_index, stream_fragment in enumerate(stream_fragments):
|
||||
fragment_ctx['time'] = int_or_none(stream_fragment.get('t')) or fragment_ctx['time']
|
||||
fragment_repeat = int_or_none(stream_fragment.get('r')) or 1
|
||||
fragment_ctx['duration'] = int_or_none(stream_fragment.get('d'))
|
||||
if not fragment_ctx['duration']:
|
||||
try:
|
||||
next_fragment_time = int(stream_fragment[stream_fragment_index + 1].attrib['t'])
|
||||
except IndexError:
|
||||
next_fragment_time = duration
|
||||
fragment_ctx['duration'] = (next_fragment_time - frgament_time) / fragment_repeat
|
||||
for _ in range(fragment_repeat):
|
||||
fragments.append({
|
||||
'url': re.sub(r'{start[ _]time}', str(fragment_ctx['time']), track_url_pattern),
|
||||
'duration': fragment_ctx['duration'] / stream_timescale,
|
||||
})
|
||||
fragment_ctx['time'] += fragment_ctx['duration']
|
||||
|
||||
format_id = []
|
||||
if ism_id:
|
||||
format_id.append(ism_id)
|
||||
if stream_name:
|
||||
format_id.append(stream_name)
|
||||
format_id.append(compat_str(tbr))
|
||||
|
||||
formats.append({
|
||||
'format_id': '-'.join(format_id),
|
||||
'url': ism_url,
|
||||
'manifest_url': ism_url,
|
||||
'ext': 'ismv' if stream_type == 'video' else 'isma',
|
||||
'width': width,
|
||||
'height': height,
|
||||
'tbr': tbr,
|
||||
'asr': sampling_rate,
|
||||
'vcodec': 'none' if stream_type == 'audio' else fourcc,
|
||||
'acodec': 'none' if stream_type == 'video' else fourcc,
|
||||
'protocol': 'ism',
|
||||
'fragments': fragments,
|
||||
'_download_params': {
|
||||
'duration': duration,
|
||||
'timescale': stream_timescale,
|
||||
'width': width or 0,
|
||||
'height': height or 0,
|
||||
'fourcc': fourcc,
|
||||
'codec_private_data': track.get('CodecPrivateData'),
|
||||
'sampling_rate': sampling_rate,
|
||||
'channels': int_or_none(track.get('Channels', 2)),
|
||||
'bits_per_sample': int_or_none(track.get('BitsPerSample', 16)),
|
||||
'nal_unit_length_field': int_or_none(track.get('NALUnitLengthField', 4)),
|
||||
},
|
||||
})
|
||||
return formats
|
||||
|
||||
def _parse_html5_media_entries(self, base_url, webpage, video_id, m3u8_id=None, m3u8_entry_protocol='m3u8'):
|
||||
def absolute_url(video_url):
|
||||
return compat_urlparse.urljoin(base_url, video_url)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user