[FFmpeg-devel] [PATCH] swscale-test: add md5 output

Ramiro Polla ramiro.polla
Thu Aug 19 21:16:09 CEST 2010


On Thu, Aug 19, 2010 at 11:52 AM, Ramiro Polla <ramiro.polla at gmail.com> wrote:
> On Thu, Aug 19, 2010 at 7:32 AM, Stefano Sabatini
> <stefano.sabatini-lala at poste.it> wrote:
>> On date Thursday 2010-08-19 00:44:17 -0300, Ramiro Polla encoded:
>>> On Tue, Aug 17, 2010 at 9:14 AM, Michael Niedermayer <michaelni at gmx.at> wrote:
>>> > On Mon, Aug 16, 2010 at 05:09:35PM -0300, Ramiro Polla wrote:
>>> BTW we're currently allocating stride*height for all planes, it'd be
>>> nice if there was a function that could give back the result of the
>>> size[] calculation from av_fill_image_pointers() (Stefano might want
>>> to do this =).
>>
>> You can use av_fill_image_pointers() and pass NULL to ptr.
>> Check how it's done in avfilter_default_get_video_buffer().
>
> That's not so straight-forward. From what I understood in the
> function, to get the size of each plane I'd have to calculate some
> more based on data pointers, total size, and number of planes. And the
> size[] array in that function should already contain what I need.

Something like attached (I know it's not ready yet, it duplicates code
and lacks documentation, but just to have an idea)
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