From: Ramiro Polla <ramiro.polla@gmail.com>
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [PATCH 1/3] swscale/swscale_unscaled: fix planarCopyWrapper() for yuv444p => yuva444p
Date: Sun, 18 May 2025 22:52:07 +0200
Message-ID: <20250518205209.30343-1-ramiro.polla@gmail.com> (raw)
Currently, planarCopyWrapper() assumes that src[3] must be NULL when
the source format has no alpha plane.
This commit updates the condition for filling the alpha plane based on
the number of components available in the source format as well.
---
libswscale/swscale_unscaled.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libswscale/swscale_unscaled.c b/libswscale/swscale_unscaled.c
index b84120549e..307e5471a9 100644
--- a/libswscale/swscale_unscaled.c
+++ b/libswscale/swscale_unscaled.c
@@ -2221,7 +2221,7 @@ static int planarCopyWrapper(SwsInternal *c, const uint8_t *const src[],
// ignore palette for GRAY8
if (plane == 1 && desc_dst->nb_components < 3) continue;
- if (!src[plane] || (plane == 1 && desc_src->nb_components < 3)) {
+ if (!src[plane] || (plane == 1 && desc_src->nb_components < 3) || (plane == 3 && desc_src->nb_components <= 3)) {
if (is16BPS(c->opts.dst_format) || isNBPS(c->opts.dst_format)) {
fillPlane16(dst[plane], dstStride[plane], length, height, y,
plane == 3, desc_dst->comp[plane].depth,
--
2.30.2
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next reply other threads:[~2025-05-18 20:52 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-18 20:52 Ramiro Polla [this message]
2025-05-18 20:52 ` [FFmpeg-devel] [PATCH 2/3] swscale/swscale_unscaled: fix packed30togbra10() for formats with bpc between 9-14 bits Ramiro Polla
2025-05-18 20:52 ` [FFmpeg-devel] [PATCH 3/3] swscale/swscale_unscaled: fix packed16togbra16() " Ramiro Polla
2025-05-18 21:14 ` James Almer
2025-05-18 21:17 ` James Almer
2025-05-18 22:02 ` Ramiro Polla
2025-05-21 22:23 ` Ramiro Polla
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