[FFmpeg-devel] [PATCH]012v decoder, v2

Kieran Kunhya kierank at ob-encoder.com
Mon Jan 7 12:05:17 CET 2013


On Mon, Jan 7, 2013 at 9:45 AM, Paul B Mahol <onemda at gmail.com> wrote:
> On 1/7/13, Carl Eugen Hoyos <cehoyos at ag.or.at> wrote:
>> Paul B Mahol <onemda <at> gmail.com> writes:
>>
>>> > Slightly updated patch applied.
>>>
>>> With 16 bit pix fmt.
>>
>> Yes, I changed ffmpeg -i output since posting the patch.
>> There should be no more dis-ambiguity.
>>
>>> Why we have non 16bit formats at all?
>>
>> My memory absolutely may be wrong but as far as I
>> remember the reason is that x264 decided to
>> define its input formats as "lsb-bound" (if that
>> is the correct wording). Since x264 was the first
>> user of >8 and <16 bit, we mostly had to follow.

The other reason is afaik bits_per_coded_sample doesn't work with swscale.


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