[FFmpeg-devel] [PATCH]lavf/cafdec: Do not fail hard for files ending with junk

[Paul B Mahol]

On 1/15/19, Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
> 2019-01-15 12:53 GMT+01:00, Paul B Mahol <onemda at gmail.com>:
>> On 1/15/19, Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
>>> 2019-01-15 10:23 GMT+01:00, Paul B Mahol <onemda at gmail.com>:
>>>> On 1/15/19, Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
>>>
>>>>> A user provided a real-life caf file ending with junk after the data
>>>>> chunk, QuickTime reads such files.
>>>>>
>>>>> Please comment, Carl Eugen
>>>>>
>>>>
>>>> NACK, there is data after junk bytes, which would get simply
>>>> discarded with your patch.
>>>
>>> Please elaborate: I don't think any data gets discarded because
>>> of this patch.
>>
>> I told you already, hex edit size of data chunk to very big number and
>> play file again.
>
> Of course.
>
> But how does this change the output compared to my patch?
>

It does change, full length of audio is:

MD5=5128bc2cd0e7b0560f15dd4c0546d1a0rate=   0.0kbits/s speed= 777x
size=       0kB time=00:09:18.16 bitrate=   0.0kbits/s speed= 769x