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[downloader/ism] fix AVC Decoder Configuration Record creation in python 3
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1 changed files with 1 additions and 3 deletions
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@ -149,9 +149,7 @@ def write_piff_header(stream, params):
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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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avcc_payload += sps[1] # avc profile indication
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avcc_payload += sps[2] # profile compatibility
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avcc_payload += sps[3] # avc level indication
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avcc_payload += sps[1:4] # avc profile indication + profile compatibility + avc level indication
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avcc_payload += u8.pack(0xfc | (params.get('nal_unit_length_field', 4) - 1)) # complete represenation (1) + reserved (11111) + length size minus one
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avcc_payload += u8.pack(1) # reserved (0) + number of sps (0000001)
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avcc_payload += u16.pack(len(sps))
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