mirror of https://git.ffmpeg.org/ffmpeg.git
write essence elements klv packets with ber4 length, more interoperable
Originally committed as revision 17200 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -1397,7 +1397,7 @@ static void mxf_write_system_item(AVFormatContext *s)
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// write system metadata pack
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put_buffer(pb, system_metadata_pack_key, 16);
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klv_encode_ber_length(pb, 57);
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klv_encode_ber4_length(pb, 57);
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put_byte(pb, 0x5c); // UL, user date/time stamp, picture and sound item present
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put_byte(pb, 0x04); // content package rate
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put_byte(pb, 0x00); // content package type
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@ -1419,7 +1419,7 @@ static void mxf_write_system_item(AVFormatContext *s)
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// write system metadata package set
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put_buffer(pb, system_metadata_package_set_key, 16);
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klv_encode_ber_length(pb, 35);
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klv_encode_ber4_length(pb, 35);
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put_byte(pb, 0x83); // UMID
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put_be16(pb, 0x20);
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mxf_write_umid(pb, SourcePackage, 0);
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@ -1479,7 +1479,7 @@ static int mxf_write_packet(AVFormatContext *s, AVPacket *pkt)
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mxf_write_klv_fill(s);
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put_buffer(pb, sc->track_essence_element_key, 16); // write key
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klv_encode_ber_length(pb, pkt->size); // write length
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klv_encode_ber4_length(pb, pkt->size); // write length
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put_buffer(pb, pkt->data, pkt->size); // write value
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put_flush_packet(pb);
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