[FFmpeg-devel] [PATCH] mpeg4video: Add support for MPEG-4 Simple Studio Profile.

Carl Eugen Hoyos ceffmpeg at gmail.com
Sun Jan 21 16:03:47 EET 2018


2018-01-21 14:57 GMT+01:00 Kieran Kunhya <kieran618 at googlemail.com>:
> On Sun, Jan 21, 2018 at 1:42 PM, Carl Eugen Hoyos <ceffmpeg at gmail.com>
> wrote:
>
>> 2018-01-21 14:33 GMT+01:00 Kieran Kunhya <kieran618 at googlemail.com>:
>> > On Sun, Jan 21, 2018 at 1:30 PM, Carl Eugen Hoyos <ceffmpeg at gmail.com>
>> > wrote:
>> >
>> >> 2018-01-21 14:22 GMT+01:00 Kieran Kunhya <kieran618 at googlemail.com>:
>> >>
>> >> Can you reproduce the following issue that I see here?
>> >> When testing with ffplay, in ~50% of tries, videos look fine,
>> >> in other cases, I get a monochrome unchanging image
>> >> and the following repeated error message:
>> >> [mpeg4 @ 0x7fbba8076200] concealing 8159 DC, 8159 AC, 8159 MV
>> >> errors in I frame
>> >> (race condition?)
>> >>
>> > I cannot reproduce this. Please provide full uncut console output
>> > provided by ffmpeg.
>>
>> Only reproducible with ffplay:
>
> What makes you think this is not an ffplay bug?

Only that I can not reproduce without your patch (and that I have
never seen this issue before).

Carl Eugen


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