diff options
Diffstat (limited to 'youtube_dl/downloader/ism.py')
| -rw-r--r-- | youtube_dl/downloader/ism.py | 34 |
1 files changed, 10 insertions, 24 deletions
diff --git a/youtube_dl/downloader/ism.py b/youtube_dl/downloader/ism.py index 93cac5e98..9b001ecff 100644 --- a/youtube_dl/downloader/ism.py +++ b/youtube_dl/downloader/ism.py @@ -1,6 +1,5 @@ from __future__ import unicode_literals -import os import time import struct import binascii @@ -8,10 +7,6 @@ import io from .fragment import FragmentFD from ..compat import compat_urllib_error -from ..utils import ( - sanitize_open, - encodeFilename, -) u8 = struct.Struct(b'>B') @@ -103,7 +98,7 @@ def write_piff_header(stream, params): if is_audio: smhd_payload = s88.pack(0) # balance - smhd_payload = u16.pack(0) # reserved + 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 @@ -131,7 +126,6 @@ def write_piff_header(stream, params): if fourcc == 'AACL': sample_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 @@ -225,47 +219,39 @@ class IsmFD(FragmentFD): 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 + frag_index = 0 for i, segment in enumerate(segments): - segment_url = segment['url'] - segment_name = 'Frag%d' % i - target_filename = '%s-%s' % (ctx['tmpfilename'], segment_name) + frag_index += 1 + if frag_index <= ctx['fragment_index']: + continue count = 0 while count <= fragment_retries: try: - success = ctx['dl'].download(target_filename, {'url': segment_url}) + success, frag_content = self._download_fragment(ctx, segment['url'], info_dict) 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']) + 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']) track_written = True - ctx['dest_stream'].write(down_data) - down.close() - segments_filenames.append(target_sanitized) + 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, segment_name, 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(segment_name) + self.report_skip_fragment(frag_index) 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 |