[FFmpeg-devel] [PATCH] Encrypted SMPTE DC MXF - additional UL needed to unpack EKLV packet
Tomas Härdin
git at haerdin.se
Wed Oct 5 12:22:49 EEST 2022
mån 2022-10-03 klockan 11:47 +0000 skrev Richard Ayres:
> 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 at bydeluxe.com>
> ---
> libavformat/mxfdec.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c
> index badd2be224..b1ab90f25f 100644
> --- a/libavformat/mxfdec.c
> +++ b/libavformat/mxfdec.c
> @@ -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))) {
Passes FATE. Will push later today
/Tomas
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