[FFmpeg-devel] [PATCH] MXF - Declare unused JPEG2000 tags in MXF file - Sponsored by INA
Cédric Le Barz
clebarz at ektacom.com
Thu Mar 30 00:31:01 EEST 2023
Declare unused JPEG2000 tags in MXF file.
Signed-off-by: Cedric Le Barz <clebarz at ektacom.com>
---
ffmpeg/libavformat/mxfenc.c | 22 +++++++++++++++++++---
1 file changed, 19 insertions(+), 3 deletions(-)
diff --git a/ffmpeg/libavformat/mxfenc.c b/ffmpeg/libavformat/mxfenc.c
index bfbd5a6..67d8f67 100644
--- a/ffmpeg/libavformat/mxfenc.c
+++ b/ffmpeg/libavformat/mxfenc.c
@@ -542,7 +542,7 @@ static void mxf_write_primer_pack(AVFormatContext *s)
MXFContext *mxf = s->priv_data;
AVIOContext *pb = s->pb;
int local_tag_number = MXF_NUM_TAGS, i;
- int will_have_avc_tags = 0, will_have_mastering_tags = 0;
+ int will_have_avc_tags = 0, will_have_mastering_tags = 0,
will_have_jpeg2000_tags = 0;
for (i = 0; i < s->nb_streams; i++) {
MXFStreamContext *sc = s->streams[i]->priv_data;
@@ -552,6 +552,9 @@ static void mxf_write_primer_pack(AVFormatContext *s)
if (av_stream_get_side_data(s->streams[i],
AV_PKT_DATA_MASTERING_DISPLAY_METADATA, NULL)) {
will_have_mastering_tags = 1;
}
+ if (s->streams[i]->codecpar->codec_id == AV_CODEC_ID_JPEG2000){
+ will_have_jpeg2000_tags = 1;
+ }
}
if (!mxf->store_user_comments) {
@@ -574,6 +577,21 @@ static void mxf_write_primer_pack(AVFormatContext *s)
mxf_mark_tag_unused(mxf, 0x8304);
}
+ if (!will_have_jpeg2000_tags) {
+ mxf_mark_tag_unused(mxf, 0x8401);
+ mxf_mark_tag_unused(mxf, 0x8402);
+ mxf_mark_tag_unused(mxf, 0x8403);
+ mxf_mark_tag_unused(mxf, 0x8404);
+ mxf_mark_tag_unused(mxf, 0x8405);
+ mxf_mark_tag_unused(mxf, 0x8406);
+ mxf_mark_tag_unused(mxf, 0x8407);
+ mxf_mark_tag_unused(mxf, 0x8408);
+ mxf_mark_tag_unused(mxf, 0x8409);
+ mxf_mark_tag_unused(mxf, 0x840A);
+ mxf_mark_tag_unused(mxf, 0x840B);
+ mxf_mark_tag_unused(mxf, 0x840C);
+ }
+
for (i = 0; i < MXF_NUM_TAGS; i++) {
if (mxf->unused_tags[i]) {
local_tag_number--;
@@ -1297,7 +1315,6 @@ static int64_t
mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID
f1 *= 2;
}
-
mxf_write_local_tag(s, 16, 0x320D);
avio_wb32(pb, 2);
avio_wb32(pb, 4);
@@ -3406,4 +3423,3 @@ const FFOutputFormat ff_mxf_opatom_muxer = {
.p.priv_class = &mxf_opatom_muxer_class,
};
-
--
2.34.1
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