On Sat, 19 Feb 2022, Michael Niedermayer wrote:
On Fri, Feb 18, 2022 at 04:45:46PM +0200, Martin Storsjö wrote:
The range parameters need to be set up before calling
sws_init_context (which selects which fastpaths can be used;
this gets called by sws_getContext); solely passing them via
sws_setColorspaceDetails isn't enough.
This fixes producing full range YUV range output when doing
YUV->YUV conversions between different YUV color spaces.
Signed-off-by: Martin Storsjö <mar...@martin.st>
---
libswscale/utils.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
Probably ok
please add a fate test for this
Sure. I'm not offhand familiar with what kinds of tests we have for
swscale right now, and where a test for this would fit in best. (It's
reproducible by converting from e.g. BT601 to BT709 or vice versa, when
the output is supposed to be full range.)
// Martin
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