diff options
| -rw-r--r-- | libavformat/mxfenc.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/libavformat/mxfenc.c b/libavformat/mxfenc.c index a06ab4cacb..c12c0a162e 100644 --- a/libavformat/mxfenc.c +++ b/libavformat/mxfenc.c @@ -124,7 +124,6 @@ typedef struct MXFContext { uint64_t *body_partition_offset; unsigned body_partitions_count; int last_key_index; ///< index of last key frame - uint64_t body_offset; } MXFContext; static const uint8_t uuid_base[] = { 0xAD,0xAB,0x44,0x24,0x2f,0x25,0x4d,0xc7,0x92,0xff,0x29,0xbd }; @@ -1029,8 +1028,6 @@ static void mxf_write_partition(AVFormatContext *s, int bodysid, // add encoded ber length index_byte_count += 16 + klv_ber_length(index_byte_count); index_byte_count += klv_fill_size(index_byte_count); - - mxf->body_offset += url_ftell(pb) - mxf->index_entries[0].offset; } if (!memcmp(key, body_partition_key, 16)) { @@ -1071,8 +1068,13 @@ static void mxf_write_partition(AVFormatContext *s, int bodysid, put_be32(pb, index_byte_count ? indexsid : 0); // indexSID // BodyOffset - if (bodysid) put_be64(pb, mxf->body_offset); - else put_be64(pb, 0); + if (bodysid && mxf->edit_units_count) { + uint64_t partition_end = url_ftell(pb) + 8 + 4 + 16 + 8 + + 16*mxf->essence_container_count; + put_be64(pb, partition_end + klv_fill_size(partition_end) + + index_byte_count - mxf->first_edit_unit_offset); + } else + put_be64(pb, 0); put_be32(pb, bodysid); // bodySID |