[x265] [PATCH] bpc instead of bpp

[Tom Vaughan]

While I agree that bpp is potentially confusing, I think that bpc would be
more confusing.  For video technologies, bits per sample is used more often
than bits per channel.

For what it's worth, the HEVC specifications don't refer to bpp, bpc or bps.
They refer only to bit depth.

With respect to our online documentation, we don't need to abbreviate these
terms.  We can clear up any potential confusion by adding "bits per color
sample", or by referring to the 8 bit or high bit depth x265 libraries.


-----Original Message-----
From: x265-devel [mailto:x265-devel-bounces at videolan.org] On Behalf Of Peter
Kovár
Sent: Thursday, June 18, 2015 1:41 PM
To: x265-devel at videolan.org
Subject: Re: [x265] [PATCH] bpc instead of bpp

18.06.2015 20:17 Xinyue Lu wrote:
> Isn't it bits per plane? I could be wrong though.

Just look at the patch. For instance:

# NOTE: We only officially support 16bit-per-pixel compiles of x265

Yes, it's confusing, in the display context it means all three channels
combined.

> On Tue, Jun 16, 2015 at 4:08 PM, Peter Kovář <peter.kovar at reflexion.tv>
> wrote:
>> # HG changeset patch
>> # User Peter Kovář <peter.kovar at reflexion.tv> # Date 1434400816 -7200
>> #      Mon Jun 15 22:40:16 2015 +0200
>> # Node ID afbea8642b653c999f2d38f88438b9685ad76ddf
>> # Parent  32590b25678b5b87bf6beed4c3074ec3837d35da
>> bpc instead of bpp
>>
>> Bits per channel, not bits per pixel
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