[FFmpeg-devel] [PATCH 6/7] avformat/dashenc: add missing padding to the updated extradata

[Andreas Rheinhardt]

Paul B Mahol:
> On Fri, Aug 2, 2019 at 5:07 PM James Almer <jamrial at gmail.com> wrote:
> 
>> On 8/2/2019 11:46 AM, Andreas Rheinhardt wrote:
>>> James Almer:
>>>> Signed-off-by: James Almer <jamrial at gmail.com>
>>>> ---
>>>>  libavformat/dashenc.c | 3 ++-
>>>>  1 file changed, 2 insertions(+), 1 deletion(-)
>>>>
>>>> diff --git a/libavformat/dashenc.c b/libavformat/dashenc.c
>>>> index bded260806..50eba370d9 100644
>>>> --- a/libavformat/dashenc.c
>>>> +++ b/libavformat/dashenc.c
>>>> @@ -1476,12 +1476,13 @@ static int
>> update_stream_extradata(AVFormatContext *s, OutputStream *os,
>>>>      if (!extradata_size)
>>>>          return 0;
>>>>
>>>> -    new_extradata = av_malloc(extradata_size);
>>>> +    new_extradata = av_malloc(extradata_size +
>> AV_INPUT_BUFFER_PADDING_SIZE);
>>>>
>>>>      if (!new_extradata)
>>>>          return AVERROR(ENOMEM);
>>>>
>>>>      memcpy(new_extradata, extradata, extradata_size);
>>>> +    memset(new_extradata + extradata_size, 0,
>> AV_INPUT_BUFFER_PADDING_SIZE);
>>>>
>>>>      os->ctx->streams[0]->codecpar->extradata = new_extradata;
>>>>      os->ctx->streams[0]->codecpar->extradata_size = extradata_size;
>>>>
>>> Is there a reason you are not using ff_alloc_extradata?
>>>
>>> - Andreas
>>
>> Not really. I can replace this patch with one implementing
>> ff_alloc_extradata().
>>
> 
> Please do so, less code :)
> 
> 
He already did. The whole patchset has been merged already.

- Andreas