-from __future__ import unicode_literals
-
-import time
import binascii
import io
+import struct
+import time
+import urllib.error
from .fragment import FragmentFD
-from ..compat import (
- compat_Struct,
- compat_urllib_error,
-)
-
+from ..utils import RetryManager
-u8 = compat_Struct('>B')
-u88 = compat_Struct('>Bx')
-u16 = compat_Struct('>H')
-u1616 = compat_Struct('>Hxx')
-u32 = compat_Struct('>I')
-u64 = compat_Struct('>Q')
+u8 = struct.Struct('>B')
+u88 = struct.Struct('>Bx')
+u16 = struct.Struct('>H')
+u1616 = struct.Struct('>Hxx')
+u32 = struct.Struct('>I')
+u64 = struct.Struct('>Q')
-s88 = compat_Struct('>bx')
-s16 = compat_Struct('>h')
-s1616 = compat_Struct('>hxx')
-s32 = compat_Struct('>i')
+s88 = struct.Struct('>bx')
+s16 = struct.Struct('>h')
+s1616 = struct.Struct('>hxx')
+s32 = struct.Struct('>i')
unity_matrix = (s32.pack(0x10000) + s32.pack(0) * 3) * 2 + s32.pack(0x40000000)
if fourcc == 'AACL':
sample_entry_box = box(b'mp4a', sample_entry_payload)
+ if fourcc == 'EC-3':
+ sample_entry_box = box(b'ec-3', sample_entry_payload)
elif stream_type == 'video':
sample_entry_payload += u16.pack(0) # pre defined
sample_entry_payload += u16.pack(0) # reserved
sample_entry_payload += u16.pack(0x18) # depth
sample_entry_payload += s16.pack(-1) # pre defined
- codec_private_data = binascii.unhexlify(params['codec_private_data'].encode('utf-8'))
+ codec_private_data = binascii.unhexlify(params['codec_private_data'].encode())
if fourcc in ('H264', 'AVC1'):
sps, pps = codec_private_data.split(u32.pack(1))[1:]
avcc_payload = u8.pack(1) # configuration version
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']
'total_frags': len(segments),
}
- self._prepare_and_start_frag_download(ctx)
+ self._prepare_and_start_frag_download(ctx, info_dict)
extra_state = ctx.setdefault('extra_state', {
'ism_track_written': False,
})
- fragment_retries = self.params.get('fragment_retries', 0)
skip_unavailable_fragments = self.params.get('skip_unavailable_fragments', True)
frag_index = 0
frag_index += 1
if frag_index <= ctx['fragment_index']:
continue
- count = 0
- while count <= fragment_retries:
+
+ retry_manager = RetryManager(self.params.get('fragment_retries'), self.report_retry,
+ frag_index=frag_index, fatal=not skip_unavailable_fragments)
+ for retry in retry_manager:
try:
- success, frag_content = self._download_fragment(ctx, segment['url'], info_dict)
+ success = self._download_fragment(ctx, segment['url'], info_dict)
if not success:
return False
+ frag_content = self._read_fragment(ctx)
+
if not extra_state['ism_track_written']:
tfhd_data = extract_box_data(frag_content, [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'])
extra_state['ism_track_written'] = True
self._append_fragment(ctx, frag_content)
- break
- except compat_urllib_error.HTTPError as err:
- count += 1
- if count <= fragment_retries:
- self.report_retry_fragment(err, frag_index, count, fragment_retries)
- if count > fragment_retries:
- if skip_unavailable_fragments:
- self.report_skip_fragment(frag_index)
+ except urllib.error.HTTPError as err:
+ retry.error = err
continue
- self.report_error('giving up after %s fragment retries' % fragment_retries)
- return False
- self._finish_frag_download(ctx)
+ if retry_manager.error:
+ if not skip_unavailable_fragments:
+ return False
+ self.report_skip_fragment(frag_index)
- return True
+ return self._finish_frag_download(ctx, info_dict)