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avformat/mxfenc: prefer to use the configured metadata

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The metadata company_name, product_name, product_version from input
file will be deleted to avoid overwriting information
Please to test with below commands:
./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

Reviewed-by: Tomas Härdin <tjoppen@acc.umu.se>
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
pull/371/head
Limin Wang 4 years ago
parent 9605307e78
commit 81c462ad95
2 changed files with 10 additions and 3 deletions
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  1. 3
      fftools/ffmpeg_opt.c
  2. 10
      libavformat/mxfenc.c

3
fftools/ffmpeg_opt.c
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@ -2641,6 +2641,9 @@ 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++) {

10
libavformat/mxfenc.c
Unescape View File

@ -757,8 +757,12 @@ 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";
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 *product_version = version_entry ? version_entry->value : AV_STRINGIFY(LIBAVFORMAT_VERSION);
const char *platform = s->flags & AVFMT_FLAG_BITEXACT ? "Lavf" : PLATFROM_IDENT;
const char *version;
int length;
@ -767,7 +771,7 @@ static void mxf_write_identification(AVFormatContext *s)
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(platform) +

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