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

Carl Eugen Hoyos ceffmpeg at gmail.com
Sun Jan 21 15:08:10 EET 2018

2018-01-21 14:03 GMT+01:00 Kieran Kunhya <kieran618 at googlemail.com>:
> On Sun, Jan 21, 2018 at 12:53 PM, Carl Eugen Hoyos <ceffmpeg at gmail.com>
> wrote:
>> 2018-01-21 13:37 GMT+01:00 Kieran Kunhya <kieran618 at googlemail.com>:
>> > On Mon, Jan 1, 2018 at 7:01 PM, Michael Niedermayer wrote:
>> >
>> >> Hi
>> >
>> > Patch updated.
>> If you choose to ignore more than half of the comments made,
>> please at least answer the review to explain why you
>> believe the comments were not helpful.
>> > Some of the review comments I decided not to implement
>> > in order to keep closer to the spec.
>> We have agreed in the past (on trac) that specifications
>> are not necessarily written with the intention to allow
>> writing good implementations, so I am not convinced
>> this is a sufficient argumentation.
> Ok, well I only did not implement a couple.

> The startcode one conflates studio start codes with mpeg4 start codes.

(Looking up "conflate" did not help me here...)

> The show_bits one I'd rather keep it as per the spec.

You don't agree that the code gets more readable if
you can reduce the number of commands by reordering?

> The n&1 comment the compiler should be able to deal with

Wishful thinking?

> and not speed critical.

I thought this is about readability...

>> The patch does not apply (and is not trivial to fix), Carl Eugen
> Patch depends on
> [PATCH] simple_idct: Template functions to support an input bitdepth
> parameter

Thank you, Carl Eugen

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