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new 9b14ea0aa1 vulkan_dpx: fix alignment issue
9b14ea0aa1 is described below
commit 9b14ea0aa13ae18f7ef2b91a4e5f2feb0de0794a
Author: Lynne <[email protected]>
AuthorDate: Thu Dec 4 15:02:40 2025 +0100
Commit: Lynne <[email protected]>
CommitDate: Thu Dec 4 15:08:46 2025 +0100
vulkan_dpx: fix alignment issue
12-bit images apparently require mod-32 alignment for each line.
Go figure.
---
libavcodec/vulkan/dpx_unpack.comp | 7 +++++--
libavcodec/vulkan_dpx.c | 2 --
2 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/libavcodec/vulkan/dpx_unpack.comp
b/libavcodec/vulkan/dpx_unpack.comp
index 5a44de87bf..b04ce5ddc6 100644
--- a/libavcodec/vulkan/dpx_unpack.comp
+++ b/libavcodec/vulkan/dpx_unpack.comp
@@ -44,8 +44,11 @@ i16vec4 parse_packed_in_32(ivec2 pos, int stride)
#else
i16vec4 parse_packed_in_32(ivec2 pos, int stride)
{
- uint line_off = pos.y*(stride*BITS_PER_COMP*COMPONENTS +
- (need_align << 3));
+ uint line_size = stride*BITS_PER_COMP*COMPONENTS;
+ line_size += line_size & 31;
+ line_size += need_align << 3;
+
+ uint line_off = pos.y*line_size;
uint pix_off = pos.x*BITS_PER_COMP*COMPONENTS;
uint off = (line_off + pix_off >> 5);
diff --git a/libavcodec/vulkan_dpx.c b/libavcodec/vulkan_dpx.c
index 54774f2424..16ac10c5b8 100644
--- a/libavcodec/vulkan_dpx.c
+++ b/libavcodec/vulkan_dpx.c
@@ -402,9 +402,7 @@ static int vk_decode_dpx_init(AVCodecContext *avctx)
switch (dpx->pix_fmt) {
case AV_PIX_FMT_GRAY10:
- case AV_PIX_FMT_GRAY12:
case AV_PIX_FMT_GBRAP10:
- case AV_PIX_FMT_GBRAP12:
case AV_PIX_FMT_UYVY422:
case AV_PIX_FMT_YUV444P:
case AV_PIX_FMT_YUVA444P:
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