[FFmpeg-devel] [PATCH 1/7] avutil/vulkan: add YUVA pixel formats support

Niklas Haas ffmpeg at haasn.xyz
Sun May 18 15:11:46 EEST 2025


From: Niklas Haas <git at haasn.dev>

Signed-off-by: Niklas Haas <git at haasn.dev>
Sponsored-by: nxtedition
---
 libavutil/hwcontext_vulkan.c | 17 +++++++++++++++++
 libavutil/vulkan.c           | 15 +++++++++++++--
 2 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/libavutil/hwcontext_vulkan.c b/libavutil/hwcontext_vulkan.c
index 978d7e29d3..1a714c0663 100644
--- a/libavutil/hwcontext_vulkan.c
+++ b/libavutil/hwcontext_vulkan.c
@@ -406,6 +406,23 @@ static const struct FFVkFormatEntry {
     { VK_FORMAT_G12X4B12X4G12X4R12X4_422_UNORM_4PACK16, AV_PIX_FMT_Y212,    VK_IMAGE_ASPECT_COLOR_BIT, 1, 1, 1, { VK_FORMAT_R16G16B16A16_UNORM } },
     { VK_FORMAT_G16B16G16R16_422_UNORM,                 AV_PIX_FMT_Y216,    VK_IMAGE_ASPECT_COLOR_BIT, 1, 1, 1, { VK_FORMAT_R16G16B16A16_UNORM } },
 
+    /* Planar YUVA 420 at 8, 10 and 16 bits */
+    { VK_FORMAT_R8_UNORM,   AV_PIX_FMT_YUVA420P,    VK_IMAGE_ASPECT_COLOR_BIT, 4, 4, 4, { VK_FORMAT_R8_UNORM,   VK_FORMAT_R8_UNORM,   VK_FORMAT_R8_UNORM,   VK_FORMAT_R8_UNORM   } },
+    { VK_FORMAT_R16_UNORM,  AV_PIX_FMT_YUVA420P10,  VK_IMAGE_ASPECT_COLOR_BIT, 4, 4, 4, { VK_FORMAT_R16_UNORM,  VK_FORMAT_R16_UNORM,  VK_FORMAT_R16_UNORM,  VK_FORMAT_R16_UNORM  } },
+    { VK_FORMAT_R16_UNORM,  AV_PIX_FMT_YUVA420P16,  VK_IMAGE_ASPECT_COLOR_BIT, 4, 4, 4, { VK_FORMAT_R16_UNORM,  VK_FORMAT_R16_UNORM,  VK_FORMAT_R16_UNORM,  VK_FORMAT_R16_UNORM  } },
+
+    /* Planar YUVA 422 at 8, 10, 12 and 16 bits */
+    { VK_FORMAT_R8_UNORM,   AV_PIX_FMT_YUVA422P,    VK_IMAGE_ASPECT_COLOR_BIT, 4, 4, 4, { VK_FORMAT_R8_UNORM,   VK_FORMAT_R8_UNORM,   VK_FORMAT_R8_UNORM,   VK_FORMAT_R8_UNORM   } },
+    { VK_FORMAT_R16_UNORM,  AV_PIX_FMT_YUVA422P10,  VK_IMAGE_ASPECT_COLOR_BIT, 4, 4, 4, { VK_FORMAT_R16_UNORM,  VK_FORMAT_R16_UNORM,  VK_FORMAT_R16_UNORM,  VK_FORMAT_R16_UNORM  } },
+    { VK_FORMAT_R16_UNORM,  AV_PIX_FMT_YUVA422P12,  VK_IMAGE_ASPECT_COLOR_BIT, 4, 4, 4, { VK_FORMAT_R16_UNORM,  VK_FORMAT_R16_UNORM,  VK_FORMAT_R16_UNORM,  VK_FORMAT_R16_UNORM  } },
+    { VK_FORMAT_R16_UNORM,  AV_PIX_FMT_YUVA422P16,  VK_IMAGE_ASPECT_COLOR_BIT, 4, 4, 4, { VK_FORMAT_R16_UNORM,  VK_FORMAT_R16_UNORM,  VK_FORMAT_R16_UNORM,  VK_FORMAT_R16_UNORM  } },
+
+    /* Planar YUVA 444 at 8, 10, 12 and 16 bits */
+    { VK_FORMAT_R8_UNORM,   AV_PIX_FMT_YUVA444P,    VK_IMAGE_ASPECT_COLOR_BIT, 4, 4, 4, { VK_FORMAT_R8_UNORM,   VK_FORMAT_R8_UNORM,   VK_FORMAT_R8_UNORM,   VK_FORMAT_R8_UNORM   } },
+    { VK_FORMAT_R16_UNORM,  AV_PIX_FMT_YUVA444P10,  VK_IMAGE_ASPECT_COLOR_BIT, 4, 4, 4, { VK_FORMAT_R16_UNORM,  VK_FORMAT_R16_UNORM,  VK_FORMAT_R16_UNORM,  VK_FORMAT_R16_UNORM  } },
+    { VK_FORMAT_R16_UNORM,  AV_PIX_FMT_YUVA444P12,  VK_IMAGE_ASPECT_COLOR_BIT, 4, 4, 4, { VK_FORMAT_R16_UNORM,  VK_FORMAT_R16_UNORM,  VK_FORMAT_R16_UNORM,  VK_FORMAT_R16_UNORM  } },
+    { VK_FORMAT_R16_UNORM,  AV_PIX_FMT_YUVA444P16,  VK_IMAGE_ASPECT_COLOR_BIT, 4, 4, 4, { VK_FORMAT_R16_UNORM,  VK_FORMAT_R16_UNORM,  VK_FORMAT_R16_UNORM,  VK_FORMAT_R16_UNORM  } },
+
     /* Single plane 444 at 8, 10, 12 and 16 bits */
     { VK_FORMAT_B8G8R8A8_UNORM,                         AV_PIX_FMT_UYVA,    VK_IMAGE_ASPECT_COLOR_BIT, 1, 1, 1, { VK_FORMAT_B8G8R8A8_UNORM     } },
     { VK_FORMAT_A2R10G10B10_UNORM_PACK32,               AV_PIX_FMT_XV30,    VK_IMAGE_ASPECT_COLOR_BIT, 1, 1, 1, { VK_FORMAT_R16G16B16A16_UNORM } },
diff --git a/libavutil/vulkan.c b/libavutil/vulkan.c
index 2cc8ec110e..5f2ac6267d 100644
--- a/libavutil/vulkan.c
+++ b/libavutil/vulkan.c
@@ -1611,7 +1611,10 @@ const char *ff_vk_shader_rep_fmt(enum AVPixelFormat pix_fmt,
     case AV_PIX_FMT_GBRAP:
     case AV_PIX_FMT_YUV420P:
     case AV_PIX_FMT_YUV422P:
-    case AV_PIX_FMT_YUV444P: {
+    case AV_PIX_FMT_YUV444P:
+    case AV_PIX_FMT_YUVA420P:
+    case AV_PIX_FMT_YUVA422P:
+    case AV_PIX_FMT_YUVA444P: {
         const char *rep_tab[] = {
             [FF_VK_REP_NATIVE] = "r8ui",
             [FF_VK_REP_FLOAT] = "r8",
@@ -1640,7 +1643,15 @@ const char *ff_vk_shader_rep_fmt(enum AVPixelFormat pix_fmt,
     case AV_PIX_FMT_YUV422P16:
     case AV_PIX_FMT_YUV444P10:
     case AV_PIX_FMT_YUV444P12:
-    case AV_PIX_FMT_YUV444P16: {
+    case AV_PIX_FMT_YUV444P16:
+    case AV_PIX_FMT_YUVA420P10:
+    case AV_PIX_FMT_YUVA420P16:
+    case AV_PIX_FMT_YUVA422P10:
+    case AV_PIX_FMT_YUVA422P12:
+    case AV_PIX_FMT_YUVA422P16:
+    case AV_PIX_FMT_YUVA444P10:
+    case AV_PIX_FMT_YUVA444P12:
+    case AV_PIX_FMT_YUVA444P16: {
         const char *rep_tab[] = {
             [FF_VK_REP_NATIVE] = "r16ui",
             [FF_VK_REP_FLOAT] = "r16f",
-- 
2.49.0



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