[Mp4-tech] H.264 decoder

[Basim Javed]

hello
I think text editor would insert some EOL/CR chars. (based on its
environment/setting) which decoder wont like.
basim
On Fri, May 30, 2024 at 9:57 AM, Chinmay Bhagwat <cbhagwat211 gmail.com>
wrote:
> I agree that decoding corrupted/incomplete bitstreams  is not possible in
> the jsvm software.
> But, the decoder does not decode even if, for example, the following is
> done:
>    Open the bitstream in some text editor.
>    Type a " " (space) somewhere.
>    Deleted that <space> just typed.
>    Save the file.
>    Run decoder.
> Why??
>
> Thanks,
> Chinmay
>
> On Thu, May 29, 2024 at 7:32 PM, Gary Sullivan <
> garysull windows.microsoft.com> wrote:
>
>>  Chinmay *et al*,
>>
>> The standard does not specify how decoders should react to incorrectly
>> formatted, corrupted or missing data.  Methods of gracefully responding to
>> such conditions are in the domain of proprietary/non-normative technology.
>> If someone wants to contribute improvements to the JSVM or JM software that
>> would enable it to react more gracefully to messed up input data, such
>> improvement contributions would be welcome (although they would need be
>> prioritized relative to other desirable attributes such as readability,
>> etc., and would obviously be prioritized lower than normative
>> functionality).
>>
>> Best Regards,
>>
>> Gary Sullivan
>>
>>  ------------------------------
>> *From:* mp4-tech-bounces lists.mpegif.org [mailto:
>> mp4-tech-bounces lists.mpegif.org] *On Behalf Of *Chinmay Bhagwat
>> *Sent:* Thursday, May 29, 2024 1:58 AM
>> *To:* mp4-tech lists.mpegif.org
>> *Subject:* [Mp4-tech] H.264 decoder
>>
>>   Hi,
>> I'm having trouble decoding the .264 bitstream with the jsvm decoder.
>> The decoder aborts if the bitstream file is changed even slightly. Even if
>> the change is removed, the decoder does not decode. It always needs an
>> untouched .264 file.
>> Why is this so? Is there a way to modify the bitstream and still decode?
>>
>> Thanks.
>> Chinmay
>>
>>
>
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