[FFmpeg-devel] [PATCH 1/2] pixfmt: add AV_PIX_FMT_GBRAP32

[Lynne]

This commit adds a 32-bit *integer* planar RGBA format.
Vulkan FFv1 decoding is best performed on separate planes, rather than
packed RGBA (i.e. RGBA128), hence this is useful as an intermediate format.
---
 libavutil/pixdesc.c | 28 ++++++++++++++++++++++++++++
 libavutil/pixfmt.h  |  4 ++++
 2 files changed, 32 insertions(+)

diff --git a/libavutil/pixdesc.c b/libavutil/pixdesc.c
index 7ffc8f3b2e..3c485e23e8 100644
--- a/libavutil/pixdesc.c
+++ b/libavutil/pixdesc.c
@@ -1991,6 +1991,34 @@ static const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
         .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR |
                  AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_ALPHA,
     },
+    [AV_PIX_FMT_GBRAP32LE] = {
+        .name = "gbrap32le",
+        .nb_components = 4,
+        .log2_chroma_w = 0,
+        .log2_chroma_h = 0,
+        .comp = {
+            { 2, 4, 0, 0, 32 },       /* R */
+            { 0, 4, 0, 0, 32 },       /* G */
+            { 1, 4, 0, 0, 32 },       /* B */
+            { 3, 4, 0, 0, 32 },       /* A */
+        },
+        .flags = AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB |
+                 AV_PIX_FMT_FLAG_ALPHA,
+    },
+    [AV_PIX_FMT_GBRAP32BE] = {
+        .name = "gbrap32be",
+        .nb_components = 4,
+        .log2_chroma_w = 0,
+        .log2_chroma_h = 0,
+        .comp = {
+            { 2, 4, 0, 0, 32 },       /* R */
+            { 0, 4, 0, 0, 32 },       /* G */
+            { 1, 4, 0, 0, 32 },       /* B */
+            { 3, 4, 0, 0, 32 },       /* A */
+        },
+        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_PLANAR |
+                 AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_ALPHA,
+    },
     [AV_PIX_FMT_VDPAU] = {
         .name = "vdpau",
         .log2_chroma_w = 1,
diff --git a/libavutil/pixfmt.h b/libavutil/pixfmt.h
index ca1b22762b..7f9d52ca73 100644
--- a/libavutil/pixfmt.h
+++ b/libavutil/pixfmt.h
@@ -479,6 +479,9 @@ enum AVPixelFormat {
     AV_PIX_FMT_GRAY32BE,    ///<         Y        , 32bpp, big-endian
     AV_PIX_FMT_GRAY32LE,    ///<         Y        , 32bpp, little-endian
 
+    AV_PIX_FMT_GBRAP32BE,   ///< planar GBRA 4:4:4:4 128bpp, big-endian
+    AV_PIX_FMT_GBRAP32LE,   ///< planar GBRA 4:4:4:4 128bpp, little-endian
+
     AV_PIX_FMT_NB         ///< number of pixel formats, DO NOT USE THIS if you want to link with shared libav* because the number of formats might differ between versions
 };
 
@@ -540,6 +543,7 @@ enum AVPixelFormat {
 #define AV_PIX_FMT_GBRAP12   AV_PIX_FMT_NE(GBRAP12BE,   GBRAP12LE)
 #define AV_PIX_FMT_GBRAP14   AV_PIX_FMT_NE(GBRAP14BE,   GBRAP14LE)
 #define AV_PIX_FMT_GBRAP16   AV_PIX_FMT_NE(GBRAP16BE,   GBRAP16LE)
+#define AV_PIX_FMT_GBRAP32   AV_PIX_FMT_NE(GBRAP32BE,   GBRAP32LE)
 
 #define AV_PIX_FMT_BAYER_BGGR16 AV_PIX_FMT_NE(BAYER_BGGR16BE,    BAYER_BGGR16LE)
 #define AV_PIX_FMT_BAYER_RGGB16 AV_PIX_FMT_NE(BAYER_RGGB16BE,    BAYER_RGGB16LE)
-- 
2.47.2