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movdec: export creation_date as metadata

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Originally committed as revision 25786 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs
2010-11-21 19:02:52 +00:00
parent 933875a0f5
commit 7df2214328
1 changed files with 18 additions and 4 deletions
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22
libavformat/mov.c
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@ -663,6 +663,16 @@ static int mov_read_moof(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
return mov_read_default(c, pb, atom); return mov_read_default(c, pb, atom);
} }
static void mov_metadata_creation_time(AVMetadata **metadata, time_t time)
{
char buffer[32];
if (time) {
time -= 2082844800; /* seconds between 1904-01-01 and Epoch */
strftime(buffer, sizeof(buffer), "%Y-%m-%d %H:%M:%S", gmtime(&time));
av_metadata_set2(metadata, "creation_time", buffer, 0);
}
}
static int mov_read_mdhd(MOVContext *c, ByteIOContext *pb, MOVAtom atom) static int mov_read_mdhd(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
{ {
AVStream *st; AVStream *st;
@ -670,6 +680,7 @@ static int mov_read_mdhd(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
int version; int version;
char language[4] = {0}; char language[4] = {0};
unsigned lang; unsigned lang;
time_t creation_time;
if (c->fc->nb_streams < 1) if (c->fc->nb_streams < 1)
return 0; return 0;
@ -682,12 +693,13 @@ static int mov_read_mdhd(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
get_be24(pb); /* flags */ get_be24(pb); /* flags */
if (version == 1) { if (version == 1) {
get_be64(pb); creation_time = get_be64(pb);
get_be64(pb); get_be64(pb);
} else { } else {
get_be32(pb); /* creation time */ creation_time = get_be32(pb);
get_be32(pb); /* modification time */ get_be32(pb); /* modification time */
} }
mov_metadata_creation_time(&st->metadata, creation_time);
sc->time_scale = get_be32(pb); sc->time_scale = get_be32(pb);
st->duration = (version == 1) ? get_be64(pb) : get_be32(pb); /* duration */ st->duration = (version == 1) ? get_be64(pb) : get_be32(pb); /* duration */
@ -702,16 +714,18 @@ static int mov_read_mdhd(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
static int mov_read_mvhd(MOVContext *c, ByteIOContext *pb, MOVAtom atom) static int mov_read_mvhd(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
{ {
time_t creation_time;
int version = get_byte(pb); /* version */ int version = get_byte(pb); /* version */
get_be24(pb); /* flags */ get_be24(pb); /* flags */
if (version == 1) { if (version == 1) {
get_be64(pb); creation_time = get_be64(pb);
get_be64(pb); get_be64(pb);
} else { } else {
get_be32(pb); /* creation time */ creation_time = get_be32(pb);
get_be32(pb); /* modification time */ get_be32(pb); /* modification time */
} }
mov_metadata_creation_time(&c->fc->metadata, creation_time);
c->time_scale = get_be32(pb); /* time scale */ c->time_scale = get_be32(pb); /* time scale */
dprintf(c->fc, "time scale = %i\n", c->time_scale); dprintf(c->fc, "time scale = %i\n", c->time_scale);