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Encrypted SMPTE DC MXF - additional UL needed to unpack EKLV packet

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Thanks, Pierre-Anthony. I've updated the patch to remove the unnecessary UL and it's now using mxf_match_uid() to detect the EKLV packet.

Signed-off-by: Richard Ayres <richard.ayres@bydeluxe.com>
This commit is contained in:
Richard Ayres 2022-10-03 11:47:12 +00:00 committed by Tomas Härdin
parent 451b310d4f
commit b074424bf6
1 changed files with 2 additions and 2 deletions
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4
libavformat/mxfdec.c
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@ -3737,7 +3737,7 @@ static int mxf_read_header(AVFormatContext *s)
PRINT_KEY(s, "read header", klv.key);
av_log(s, AV_LOG_TRACE, "size %"PRIu64" offset %#"PRIx64"\n", klv.length, klv.offset);
if (IS_KLV_KEY(klv.key, mxf_encrypted_triplet_key) ||
if (mxf_match_uid(klv.key, mxf_encrypted_triplet_key, sizeof(mxf_encrypted_triplet_key)) ||
IS_KLV_KEY(klv.key, mxf_essence_element_key) ||
IS_KLV_KEY(klv.key, mxf_canopus_essence_element_key) ||
IS_KLV_KEY(klv.key, mxf_avid_essence_element_key) ||
@ -3983,7 +3983,7 @@ static int mxf_read_packet(AVFormatContext *s, AVPacket *pkt)
pos = klv.next_klv - klv.length;
PRINT_KEY(s, "read packet", klv.key);
av_log(s, AV_LOG_TRACE, "size %"PRIu64" offset %#"PRIx64"\n", klv.length, klv.offset);
if (IS_KLV_KEY(klv.key, mxf_encrypted_triplet_key)) {
if (mxf_match_uid(klv.key, mxf_encrypted_triplet_key, sizeof(mxf_encrypted_triplet_key))) {
ret = mxf_decrypt_triplet(s, pkt, &klv);
if (ret < 0) {
av_log(s, AV_LOG_ERROR, "invalid encoded triplet\n");