From: Limin Wang <lance.lmw...@gmail.com>
The metadata company_name, product_name, product_version from input
file will be deleted to avoid overwriting information
Please to test with below command:
./ffmpeg -i ../fate-suite/mxf/Sony-00001.mxf -c:v copy -c:a copy out.mxf
and
./ffmpeg -i ../fate-suite/mxf/Sony-00001.mxf -c:v copy -c:a copy \
-metadata company_name="xxx" \
-metadata product_name="xxx" \
-metadata product_version="xxx" \
out.mxf
Signed-off-by: Limin Wang <lance.lmw...@gmail.com>
---
fftools/ffmpeg_opt.c | 3 +++
libavformat/mxfenc.c | 12 ++++++++----
2 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/fftools/ffmpeg_opt.c b/fftools/ffmpeg_opt.c
index c295514..493763b 100644
--- a/fftools/ffmpeg_opt.c
+++ b/fftools/ffmpeg_opt.c
@@ -2650,6 +2650,9 @@ loop_end:
if(o->recording_time != INT64_MAX)
av_dict_set(&oc->metadata, "duration", NULL, 0);
av_dict_set(&oc->metadata, "creation_time", NULL, 0);
+ av_dict_set(&oc->metadata, "company_name", NULL, 0);
+ av_dict_set(&oc->metadata, "product_name", NULL, 0);
+ av_dict_set(&oc->metadata, "product_version", NULL, 0);
}
if (!o->metadata_streams_manual)
for (i = of->ost_index; i < nb_output_streams; i++) {
diff --git a/libavformat/mxfenc.c b/libavformat/mxfenc.c
index d8678c9..5244211 100644
--- a/libavformat/mxfenc.c
+++ b/libavformat/mxfenc.c
@@ -722,16 +722,20 @@ static void mxf_write_identification(AVFormatContext *s)
{
MXFContext *mxf = s->priv_data;
AVIOContext *pb = s->pb;
- const char *company = "FFmpeg";
- const char *product = s->oformat != &ff_mxf_opatom_muxer ? "OP1a Muxer" :
"OPAtom Muxer";
- const char *version;
+ AVDictionaryEntry *com_entry = av_dict_get(s->metadata, "company_name",
NULL, 0);
+ AVDictionaryEntry *product_entry = av_dict_get(s->metadata,
"product_name", NULL, 0);
+ AVDictionaryEntry *version_entry = av_dict_get(s->metadata,
"product_version", NULL, 0);
+ const char *company = com_entry ? com_entry->value : "FFmpeg";
+ const char *product = product_entry ? product_entry->value : s->oformat !=
&ff_mxf_opatom_muxer ? "OP1a Muxer" : "OPAtom Muxer";
+ const char *version = NULL;
+ const char *product_version = version_entry ? version_entry->value :
AV_STRINGIFY(LIBAVFORMAT_VERSION);
int length;
mxf_write_metadata_key(pb, 0x013000);
PRINT_KEY(s, "identification key", pb->buf_ptr - 16);
version = s->flags & AVFMT_FLAG_BITEXACT ?
- "0.0.0" : AV_STRINGIFY(LIBAVFORMAT_VERSION);
+ "0.0.0" : product_version;
length = 100 +mxf_utf16_local_tag_length(company) +
mxf_utf16_local_tag_length(product) +
mxf_utf16_local_tag_length(version);
--
1.8.3.1
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