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| author | Antti Ajanki <antti.ajanki@iki.fi> | 2015-01-05 20:22:17 +0200 |
|---|---|---|
| committer | Antti Ajanki <antti.ajanki@iki.fi> | 2015-01-05 21:07:15 +0200 |
| commit | 2c322cc5d65550de10d70d812ac3cd6742452252 (patch) | |
| tree | af0e77751777d286cab6abf4d1aa2ccee15f236e | |
| parent | 3b8f3a1504b46ff6085617ea22e027668d45a503 (diff) | |
[downloader/f4m] The last value in a tag is the tag length
| -rw-r--r-- | youtube_dl/downloader/f4m.py | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/youtube_dl/downloader/f4m.py b/youtube_dl/downloader/f4m.py index 87d3150c7..744bf91cb 100644 --- a/youtube_dl/downloader/f4m.py +++ b/youtube_dl/downloader/f4m.py @@ -187,6 +187,10 @@ def build_fragments_list(boot_info): return res +def write_unsigned_int(stream, val): + stream.write(struct_pack('!I', val)) + + def write_flv_header(stream): """Writes the FLV header to stream""" # FLV header @@ -198,6 +202,8 @@ def write_flv_header(stream): def write_metadata_tag(stream, metadata): """Writes optional metadata tag to stream""" + FLV_TAG_HEADER_LEN = 11 + if metadata: # Script data stream.write(b'\x12') @@ -205,9 +211,7 @@ def write_metadata_tag(stream, metadata): stream.write(struct_pack('!L', len(metadata))[1:]) stream.write(b'\x00\x00\x00\x00\x00\x00\x00') stream.write(metadata) - # Magic numbers extracted from the output files produced by AdobeHDS.php - # (https://github.com/K-S-V/Scripts) - stream.write(b'\x00\x00\x01\x73') + write_unsigned_int(stream, FLV_TAG_HEADER_LEN + len(metadata)) def _add_ns(prop): |