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fix partition offset when only one stream present

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Originally committed as revision 17140 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2009-02-10 23:25:23 +00:00
parent 9ea5e6f639
commit 9c91a0b049
1 changed files with 3 additions and 2 deletions
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5
libavformat/mxfenc.c
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@ -1021,6 +1021,7 @@ static void mxf_write_partition(AVFormatContext *s, int bodysid,
ByteIOContext *pb = s->pb;
int64_t header_byte_count_offset;
unsigned index_byte_count = 0;
uint64_t partition_offset = url_ftell(pb);
if (mxf->edit_units_count) {
index_byte_count = 109 + (s->nb_streams+1)*6 +
@ -1037,7 +1038,7 @@ static void mxf_write_partition(AVFormatContext *s, int bodysid,
av_realloc(mxf->body_partition_offset,
(mxf->body_partitions_count+1)*
sizeof(*mxf->body_partition_offset));
mxf->body_partition_offset[mxf->body_partitions_count++] = url_ftell(pb);
mxf->body_partition_offset[mxf->body_partitions_count++] = partition_offset;
}
// write klv
@ -1050,7 +1051,7 @@ static void mxf_write_partition(AVFormatContext *s, int bodysid,
put_be16(pb, 2); // minorVersion
put_be32(pb, KAG_SIZE); // KAGSize
put_be64(pb, url_ftell(pb) - 25); // thisPartition
put_be64(pb, partition_offset); // ThisPartition
if (!memcmp(key, body_partition_key, 16) && mxf->body_partitions_count > 1)
put_be64(pb, mxf->body_partition_offset[mxf->body_partitions_count-2]); // PreviousPartition