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fix body offset

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Originally committed as revision 17144 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2009-02-11 00:56:27 +00:00
parent 4c08b2bdcb
commit 1585b93a2c
1 changed files with 7 additions and 5 deletions
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12
libavformat/mxfenc.c
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@ -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