diff options
| -rw-r--r-- | demux/packet.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/demux/packet.c b/demux/packet.c index fba9232c19..de47c28dbc 100644 --- a/demux/packet.c +++ b/demux/packet.c @@ -124,8 +124,10 @@ struct demux_packet *new_demux_packet(size_t len) void demux_packet_shorten(struct demux_packet *dp, size_t len) { assert(len <= dp->len); - dp->len = len; - memset(dp->buffer + dp->len, 0, AV_INPUT_BUFFER_PADDING_SIZE); + if (dp->len) { + dp->len = len; + memset(dp->buffer + dp->len, 0, AV_INPUT_BUFFER_PADDING_SIZE); + } } void free_demux_packet(struct demux_packet *dp) |