Linked are some demo files.
I converted a sample to DDS with texconv.exe -f DXT4 -pmalpha sample.png
I converted it back to PNG against master with ffmpeg -i sample.dds
master.png
I converted it back to PNG against this patch with ffmpeg -i sample.dds
patch.png
The color in master.png is dark due
On Thu, 01 Feb 2024 17:10:50 -0800 Connor Worley
wrote:
> +src[0] = (uint8_t) FFMIN(r * 255 / a, 255);
> +src[1] = (uint8_t) FFMIN(g * 255 / a, 255);
> +src[2] = (uint8_t) FFMIN(b * 255 / a, 255);
av_clip_uint8?
___
ffmpeg-devel mailing lis
This function should convert premultiplied alpha to straight, but does the
opposite.
Signed-off-by: Connor Worley
---
libavcodec/texturedsp.c | 9 ++---
tests/ref/fate/dds-dxt2 | 2 +-
tests/ref/fate/dds-dxt4 | 2 +-
3 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/libavcodec/
