diff options
| -rw-r--r-- | libavformat/matroskaenc.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c index 796383320f..832b272033 100644 --- a/libavformat/matroskaenc.c +++ b/libavformat/matroskaenc.c @@ -288,21 +288,22 @@ static void put_ebml_string(AVIOContext *pb, uint32_t elementid, * * @param size The number of bytes to reserve, which must be at least 2. */ -static void put_ebml_void(AVIOContext *pb, uint64_t size) +static void put_ebml_void(AVIOContext *pb, int size) { - int64_t currentpos = avio_tell(pb); - av_assert0(size >= 2); put_ebml_id(pb, EBML_ID_VOID); // we need to subtract the length needed to store the size from the // size we need to reserve so 2 cases, we use 8 bytes to store the // size if possible, 1 byte otherwise - if (size < 10) - put_ebml_num(pb, size - 2, 0); - else - put_ebml_num(pb, size - 9, 8); - ffio_fill(pb, 0, currentpos + size - avio_tell(pb)); + if (size < 10) { + size -= 2; + put_ebml_num(pb, size, 0); + } else { + size -= 9; + put_ebml_num(pb, size, 8); + } + ffio_fill(pb, 0, size); } static ebml_master start_ebml_master(AVIOContext *pb, uint32_t elementid, |