On 12/31/17, Carl Eugen Hoyos <ceffm...@gmail.com> wrote:
> 2017-12-31 10:48 GMT+01:00 Paul B Mahol <one...@gmail.com>:
>> Signed-off-by: Paul B Mahol <one...@gmail.com>
>> ---
>>  libavcodec/utvideoenc.c               |  47 +++++++++-------
>>  tests/ref/fate/utvideoenc_rgb_left    | 100
>> +++++++++++++++++-----------------
>>  tests/ref/fate/utvideoenc_rgb_median  | 100
>> +++++++++++++++++-----------------
>>  tests/ref/fate/utvideoenc_rgb_none    | 100
>> +++++++++++++++++-----------------
>>  tests/ref/fate/utvideoenc_rgba_left   | 100
>> +++++++++++++++++-----------------
>>  tests/ref/fate/utvideoenc_rgba_median | 100
>> +++++++++++++++++-----------------
>>  tests/ref/fate/utvideoenc_rgba_none   | 100
>> +++++++++++++++++-----------------
>>  7 files changed, 327 insertions(+), 320 deletions(-)
>
> Is there a speed impact?
> (Or actually: How much faster is gbr encoding, how much slower rgb
> encoding?)

Very very fast, very very slow.

>
>> diff --git a/tests/ref/fate/utvideoenc_rgb_left
>> b/tests/ref/fate/utvideoenc_rgb_left
>> index a1d200096a..1ee7c58564 100644
>> --- a/tests/ref/fate/utvideoenc_rgb_left
>> +++ b/tests/ref/fate/utvideoenc_rgb_left
>
> Why do they change?
> Do I understand correctly that the files get bigger (~5%)?
> If yes, wouldn't that indicate that the patch is not a good idea?

Its because of different scaling path. Have nothing to do with good or bad idea.

>
> Please add a micro version bump, Carl Eugen

Added.
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