[FFmpeg-devel] [PATCH] avcodec/extract_extradata: zero initialize the padding bytes of the exported extradata

[James Almer]

On 3/9/2018 12:18 PM, Derek Buitenhuis wrote:
> On 3/8/2018 4:02 PM, James Almer wrote:
>> Signed-off-by: James Almer <jamrial at gmail.com>
>> ---
>>  libavcodec/extract_extradata_bsf.c | 4 ++++
>>  1 file changed, 4 insertions(+)
> 
> Can't most (or all) of these be fixed by using av_mallocz?

Yes, but it's slower, and the buffer is guaranteed to be written to with
actual data after being allocated.

This is a filter that may run once per processed packet, so the less
overhead the better.