Rémi Denis-Courmont pushed to branch master at VideoLAN / VLC
Commits:
87733c50 by Rémi Denis-Courmont at 2022-06-02T15:46:20+00:00
wall: fix non-first abscissa of non-8-bit samples
The X and Y values are pixel coordinates in the potentially subsampled
plane resolution. This must be converted to an octet offset as the type
of the pixel plane pointer is pointer-to-uint8_t.
So the X value must be multiplied by the sample size. The current code
was instead rounding the value down to a multiple of the sample size.
Bug reported by Philipp Marek on IRC.
- - - - -
1 changed file:
- modules/video_splitter/wall.c
Changes:
=====================================
modules/video_splitter/wall.c
=====================================
@@ -276,8 +276,7 @@ static int Filter( video_splitter_t *p_splitter, picture_t
*pp_dst[], picture_t
const int i_x = p_output->i_left * p.i_visible_lines
/ p0->i_visible_lines;
- p.p_pixels += i_y * p.i_pitch
- + (i_x - (i_x % p.i_pixel_pitch));
+ p.p_pixels += i_y * p.i_pitch + i_x * p.i_pixel_pitch;
plane_CopyPixels(p_dst->p + i, &p);
}
picture_CopyProperties(p_dst, p_src);
View it on GitLab:
https://code.videolan.org/videolan/vlc/-/commit/87733c5011912e3f46e48948b0fe116b72bfa83f
--
View it on GitLab:
https://code.videolan.org/videolan/vlc/-/commit/87733c5011912e3f46e48948b0fe116b72bfa83f
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