Plugin cleanup and tweaks
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@@ -1,27 +1,23 @@
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from __future__ import unicode_literals
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import time
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import binascii
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import io
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import struct
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import time
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import urllib.error
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from .fragment import FragmentFD
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from ..compat import (
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compat_Struct,
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compat_urllib_error,
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)
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from ..utils import RetryManager
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u8 = struct.Struct('>B')
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u88 = struct.Struct('>Bx')
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u16 = struct.Struct('>H')
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u1616 = struct.Struct('>Hxx')
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u32 = struct.Struct('>I')
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u64 = struct.Struct('>Q')
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u8 = compat_Struct('>B')
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u88 = compat_Struct('>Bx')
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u16 = compat_Struct('>H')
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u1616 = compat_Struct('>Hxx')
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u32 = compat_Struct('>I')
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u64 = compat_Struct('>Q')
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s88 = compat_Struct('>bx')
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s16 = compat_Struct('>h')
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s1616 = compat_Struct('>hxx')
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s32 = compat_Struct('>i')
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s88 = struct.Struct('>bx')
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s16 = struct.Struct('>h')
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s1616 = struct.Struct('>hxx')
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s32 = struct.Struct('>i')
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unity_matrix = (s32.pack(0x10000) + s32.pack(0) * 3) * 2 + s32.pack(0x40000000)
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@@ -142,6 +138,8 @@ def write_piff_header(stream, params):
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if fourcc == 'AACL':
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sample_entry_box = box(b'mp4a', sample_entry_payload)
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if fourcc == 'EC-3':
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sample_entry_box = box(b'ec-3', sample_entry_payload)
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elif stream_type == 'video':
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sample_entry_payload += u16.pack(0) # pre defined
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sample_entry_payload += u16.pack(0) # reserved
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@@ -156,7 +154,7 @@ def write_piff_header(stream, params):
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sample_entry_payload += u16.pack(0x18) # depth
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sample_entry_payload += s16.pack(-1) # pre defined
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codec_private_data = binascii.unhexlify(params['codec_private_data'].encode('utf-8'))
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codec_private_data = binascii.unhexlify(params['codec_private_data'].encode())
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if fourcc in ('H264', 'AVC1'):
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sps, pps = codec_private_data.split(u32.pack(1))[1:]
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avcc_payload = u8.pack(1) # configuration version
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@@ -235,8 +233,6 @@ class IsmFD(FragmentFD):
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Download segments in a ISM manifest
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"""
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FD_NAME = 'ism'
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def real_download(self, filename, info_dict):
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segments = info_dict['fragments'][:1] if self.params.get(
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'test', False) else info_dict['fragments']
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@@ -252,7 +248,6 @@ class IsmFD(FragmentFD):
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'ism_track_written': False,
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})
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fragment_retries = self.params.get('fragment_retries', 0)
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skip_unavailable_fragments = self.params.get('skip_unavailable_fragments', True)
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frag_index = 0
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@@ -260,30 +255,29 @@ class IsmFD(FragmentFD):
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frag_index += 1
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if frag_index <= ctx['fragment_index']:
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continue
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count = 0
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while count <= fragment_retries:
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retry_manager = RetryManager(self.params.get('fragment_retries'), self.report_retry,
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frag_index=frag_index, fatal=not skip_unavailable_fragments)
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for retry in retry_manager:
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try:
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success, frag_content = self._download_fragment(ctx, segment['url'], info_dict)
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success = self._download_fragment(ctx, segment['url'], info_dict)
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if not success:
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return False
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frag_content = self._read_fragment(ctx)
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if not extra_state['ism_track_written']:
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tfhd_data = extract_box_data(frag_content, [b'moof', b'traf', b'tfhd'])
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info_dict['_download_params']['track_id'] = u32.unpack(tfhd_data[4:8])[0]
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write_piff_header(ctx['dest_stream'], info_dict['_download_params'])
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extra_state['ism_track_written'] = True
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self._append_fragment(ctx, frag_content)
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break
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except compat_urllib_error.HTTPError as err:
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count += 1
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if count <= fragment_retries:
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self.report_retry_fragment(err, frag_index, count, fragment_retries)
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if count > fragment_retries:
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if skip_unavailable_fragments:
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self.report_skip_fragment(frag_index)
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except urllib.error.HTTPError as err:
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retry.error = err
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continue
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self.report_error('giving up after %s fragment retries' % fragment_retries)
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return False
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self._finish_frag_download(ctx, info_dict)
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if retry_manager.error:
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if not skip_unavailable_fragments:
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return False
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self.report_skip_fragment(frag_index)
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return True
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return self._finish_frag_download(ctx, info_dict)
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