Commit 1300ce4555 for ffmpeg

commit 1300ce4555e42cbbfa14d4b89ec0f4de03dfb6f8
Author: James Almer <jamrial@gmail.com>
Date:   Mon Nov 9 10:08:27 2026 -0300

    swscale/input: add support for RGBAF32

    Signed-off-by: James Almer <jamrial@gmail.com>

diff --git a/libswscale/format.c b/libswscale/format.c
index f14737f649..ffa9fda56e 100644
--- a/libswscale/format.c
+++ b/libswscale/format.c
@@ -271,6 +271,8 @@ static const LegacyFormatEntry legacy_format_entries[] = {
     [AV_PIX_FMT_RGBF16LE]       = { 1, 0 },
     [AV_PIX_FMT_RGBF32BE]       = { 1, 0 },
     [AV_PIX_FMT_RGBF32LE]       = { 1, 0 },
+    [AV_PIX_FMT_RGBAF32BE]      = { 1, 0 },
+    [AV_PIX_FMT_RGBAF32LE]      = { 1, 0 },
     [AV_PIX_FMT_XV30LE]         = { 1, 1 },
     [AV_PIX_FMT_XV36LE]         = { 1, 1 },
     [AV_PIX_FMT_XV36BE]         = { 1, 1 },
diff --git a/libswscale/input.c b/libswscale/input.c
index 2e6dd6f413..9823210768 100644
--- a/libswscale/input.c
+++ b/libswscale/input.c
@@ -1333,44 +1333,47 @@ static av_always_inline void planar_rgbf32_to_y(uint8_t *_dst, const uint8_t *_s
     }
 }

-static av_always_inline void rgbf32_to_uv_c(uint8_t *_dstU, uint8_t *_dstV, const uint8_t *unused1,
-                                            const uint8_t *_src, const uint8_t *unused2,
+static av_always_inline void rgbf32_to_uv_c(uint8_t *_dstU, uint8_t *_dstV,
+                                            const uint8_t *_src, int nb_components,
                                             int width, int is_be, int32_t *rgb2yuv)
 {
     int i;
     const float *src = (const float *)_src;
     uint16_t *dstU       = (uint16_t *)_dstU;
     uint16_t *dstV       = (uint16_t *)_dstV;
+    ptrdiff_t stride = nb_components;
     int32_t ru = rgb2yuv[RU_IDX], gu = rgb2yuv[GU_IDX], bu = rgb2yuv[BU_IDX];
     int32_t rv = rgb2yuv[RV_IDX], gv = rgb2yuv[GV_IDX], bv = rgb2yuv[BV_IDX];

     for (i = 0; i < width; i++) {
-        int r = lrintf(av_clipf(65535.0f * rdpx(&src[3*i]), 0.0f, 65535.0f));
-        int g = lrintf(av_clipf(65535.0f * rdpx(&src[3*i + 1]), 0.0f, 65535.0f));
-        int b = lrintf(av_clipf(65535.0f * rdpx(&src[3*i + 2]), 0.0f, 65535.0f));
+        int r = lrintf(av_clipf(65535.0f * rdpx(&src[stride*i + 0]), 0.0f, 65535.0f));
+        int g = lrintf(av_clipf(65535.0f * rdpx(&src[stride*i + 1]), 0.0f, 65535.0f));
+        int b = lrintf(av_clipf(65535.0f * rdpx(&src[stride*i + 2]), 0.0f, 65535.0f));

         dstU[i] = (ru*r + gu*g + bu*b + (0x10001 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
         dstV[i] = (rv*r + gv*g + bv*b + (0x10001 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
     }
 }

-static av_always_inline void rgbf32_to_uv_half_c(uint8_t *_dstU, uint8_t *_dstV, const uint8_t *unused1,
-                                                 const uint8_t *_src, const uint8_t *unused2,
+static av_always_inline void rgbf32_to_uv_half_c(uint8_t *_dstU, uint8_t *_dstV,
+                                                 const uint8_t *_src, int nb_components,
                                                  int width, int is_be, int32_t *rgb2yuv)
 {
     const float *src = (const float *) _src;
     uint16_t *dstU   = (uint16_t *) _dstU;
     uint16_t *dstV   = (uint16_t *) _dstV;
+    ptrdiff_t stride = nb_components * 2;
+    ptrdiff_t step = nb_components;
     int32_t ru = rgb2yuv[RU_IDX], gu = rgb2yuv[GU_IDX], bu = rgb2yuv[BU_IDX];
     int32_t rv = rgb2yuv[RV_IDX], gv = rgb2yuv[GV_IDX], bv = rgb2yuv[BV_IDX];

     for (int i = 0; i < width; i++) {
-        int r = (lrintf(av_clipf(65535.0f * rdpx(&src[6 * i + 0]), 0.0f, 65535.0f)) +
-                 lrintf(av_clipf(65535.0f * rdpx(&src[6 * i + 3]), 0.0f, 65535.0f))) >> 1;
-        int g = (lrintf(av_clipf(65535.0f * rdpx(&src[6 * i + 1]), 0.0f, 65535.0f)) +
-                 lrintf(av_clipf(65535.0f * rdpx(&src[6 * i + 4]), 0.0f, 65535.0f))) >> 1;
-        int b = (lrintf(av_clipf(65535.0f * rdpx(&src[6 * i + 2]), 0.0f, 65535.0f)) +
-                 lrintf(av_clipf(65535.0f * rdpx(&src[6 * i + 5]), 0.0f, 65535.0f))) >> 1;
+        int r = (lrintf(av_clipf(65535.0f * rdpx(&src[stride * i + 0       ]), 0.0f, 65535.0f)) +
+                 lrintf(av_clipf(65535.0f * rdpx(&src[stride * i + step    ]), 0.0f, 65535.0f))) >> 1;
+        int g = (lrintf(av_clipf(65535.0f * rdpx(&src[stride * i + 1       ]), 0.0f, 65535.0f)) +
+                 lrintf(av_clipf(65535.0f * rdpx(&src[stride * i + step + 1]), 0.0f, 65535.0f))) >> 1;
+        int b = (lrintf(av_clipf(65535.0f * rdpx(&src[stride * i + 2       ]), 0.0f, 65535.0f)) +
+                 lrintf(av_clipf(65535.0f * rdpx(&src[stride * i + step + 2]), 0.0f, 65535.0f))) >> 1;

         dstU[i] = (ru*r + gu*g + bu*b + (0x10001 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
         dstV[i] = (rv*r + gv*g + bv*b + (0x10001 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
@@ -1378,24 +1381,35 @@ static av_always_inline void rgbf32_to_uv_half_c(uint8_t *_dstU, uint8_t *_dstV,
 }

 static av_always_inline void rgbf32_to_y_c(uint8_t *_dst, const uint8_t *_src,
-                                           const uint8_t *unused1, const uint8_t *unused2,
+                                           int nb_components,
                                            int width, int is_be, int32_t *rgb2yuv)
 {
     int i;
     const float *src = (const float *)_src;
     uint16_t *dst    = (uint16_t *)_dst;
+    ptrdiff_t stride = nb_components;

     int32_t ry = rgb2yuv[RY_IDX], gy = rgb2yuv[GY_IDX], by = rgb2yuv[BY_IDX];

     for (i = 0; i < width; i++) {
-        int r = lrintf(av_clipf(65535.0f * rdpx(&src[3*i]), 0.0f, 65535.0f));
-        int g = lrintf(av_clipf(65535.0f * rdpx(&src[3*i + 1]), 0.0f, 65535.0f));
-        int b = lrintf(av_clipf(65535.0f * rdpx(&src[3*i + 2]), 0.0f, 65535.0f));
+        int r = lrintf(av_clipf(65535.0f * rdpx(&src[stride*i + 0]), 0.0f, 65535.0f));
+        int g = lrintf(av_clipf(65535.0f * rdpx(&src[stride*i + 1]), 0.0f, 65535.0f));
+        int b = lrintf(av_clipf(65535.0f * rdpx(&src[stride*i + 2]), 0.0f, 65535.0f));

         dst[i] = (ry*r + gy*g + by*b + (0x2001 << (RGB2YUV_SHIFT - 1))) >> RGB2YUV_SHIFT;
     }
 }

+static av_always_inline void rgbaf32_to_a_c(uint8_t *_dst, const uint8_t *_src, int width, int is_be)
+{
+    const float *src = (const float *)_src;
+    uint16_t *dst        = (uint16_t *)_dst;
+
+    for (int i = 0; i < width; i++) {
+        dst[i] = lrintf(av_clipf(65535.0f * rdpx(&src[4*i + 3]), 0.0f, 65535.0f));
+    }
+}
+
 static av_always_inline void grayf32ToY16_c(uint8_t *_dst, const uint8_t *_src, const uint8_t *unused1,
                                             const uint8_t *unused2, int width, int is_be, uint32_t *unused)
 {
@@ -1515,7 +1529,7 @@ static void rgbf32##endian_name##_to_y_c(uint8_t *dst, const uint8_t *src,
                                          const uint8_t *unused1, const uint8_t *unused2,            \
                                          int w, uint32_t *rgb2yuv, void *opq)                       \
 {                                                                                                   \
-    rgbf32_to_y_c(dst, src, unused1, unused2, w, endian, rgb2yuv);                                  \
+    rgbf32_to_y_c(dst, src, 3, w, endian, rgb2yuv);                                                 \
 }                                                                                                   \
 static void rgbf32##endian_name##_to_uv_c(uint8_t *dstU, uint8_t *dstV,                             \
                                         const uint8_t *unused1,                                     \
@@ -1523,7 +1537,7 @@ static void rgbf32##endian_name##_to_uv_c(uint8_t *dstU, uint8_t *dstV,
                                         int w, uint32_t *rgb2yuv,                                   \
                                         void *opq)                                                  \
 {                                                                                                   \
-    rgbf32_to_uv_c(dstU, dstV, unused1, src, unused2, w, endian, rgb2yuv);                          \
+    rgbf32_to_uv_c(dstU, dstV, src, 3, w, endian, rgb2yuv);                                         \
 }                                                                                                   \
 static void rgbf32##endian_name##_to_uv_half_c(uint8_t *dstU, uint8_t *dstV,                        \
                                                const uint8_t *unused1,                              \
@@ -1531,7 +1545,35 @@ static void rgbf32##endian_name##_to_uv_half_c(uint8_t *dstU, uint8_t *dstV,
                                                int w, uint32_t *rgb2yuv,                            \
                                                void *opq)                                           \
 {                                                                                                   \
-    rgbf32_to_uv_half_c(dstU, dstV, unused1, src, unused2, w, endian, rgb2yuv);                     \
+    rgbf32_to_uv_half_c(dstU, dstV, src, 3, w, endian, rgb2yuv);                                    \
+}                                                                                                   \
+static void rgbaf32##endian_name##_to_y_c(uint8_t *dst, const uint8_t *src,                         \
+                                         const uint8_t *unused1, const uint8_t *unused2,            \
+                                         int w, uint32_t *rgb2yuv, void *opq)                       \
+{                                                                                                   \
+    rgbf32_to_y_c(dst, src, 4, w, endian, rgb2yuv);                                                 \
+}                                                                                                   \
+static void rgbaf32##endian_name##_to_uv_c(uint8_t *dstU, uint8_t *dstV,                            \
+                                        const uint8_t *unused1,                                     \
+                                        const uint8_t *src, const uint8_t *unused2,                 \
+                                        int w, uint32_t *rgb2yuv,                                   \
+                                        void *opq)                                                  \
+{                                                                                                   \
+    rgbf32_to_uv_c(dstU, dstV, src, 4, w, endian, rgb2yuv);                                         \
+}                                                                                                   \
+static void rgbaf32##endian_name##_to_uv_half_c(uint8_t *dstU, uint8_t *dstV,                       \
+                                               const uint8_t *unused1,                              \
+                                               const uint8_t *src, const uint8_t *unused2,          \
+                                               int w, uint32_t *rgb2yuv,                            \
+                                               void *opq)                                           \
+{                                                                                                   \
+    rgbf32_to_uv_half_c(dstU, dstV, src, 4, w, endian, rgb2yuv);                                    \
+}                                                                                                   \
+static void rgbaf32##endian_name##_to_a_c(uint8_t *_dst, const uint8_t *_src,                       \
+                                          const uint8_t *unused1, const uint8_t *unused2,           \
+                                          int w, uint32_t *unused, void *opq)                       \
+{                                                                                                   \
+    rgbaf32_to_a_c(_dst, _src, w, endian);                                                          \
 }                                                                                                   \
 static void grayf32##endian_name##ToY16_c(uint8_t *dst, const uint8_t *src,                         \
                                           const uint8_t *unused1, const uint8_t *unused2,           \
@@ -2121,6 +2163,12 @@ av_cold void ff_sws_init_input_funcs(SwsInternal *c,
     case AV_PIX_FMT_RGBF32BE:
         *chrToYV12 = rgbf32be_to_uv_c;
         break;
+    case AV_PIX_FMT_RGBAF32LE:
+        *chrToYV12 = rgbaf32le_to_uv_c;
+        break;
+    case AV_PIX_FMT_RGBAF32BE:
+        *chrToYV12 = rgbaf32be_to_uv_c;
+        break;
     }
     if (c->chrSrcHSubSample) {
         switch (srcFormat) {
@@ -2230,6 +2278,12 @@ av_cold void ff_sws_init_input_funcs(SwsInternal *c,
         case AV_PIX_FMT_RGBF32LE:
             *chrToYV12 = rgbf32le_to_uv_half_c;
             break;
+        case AV_PIX_FMT_RGBAF32BE:
+            *chrToYV12 = rgbaf32be_to_uv_half_c;
+            break;
+        case AV_PIX_FMT_RGBAF32LE:
+            *chrToYV12 = rgbaf32le_to_uv_half_c;
+            break;
         }
     } else {
         switch (srcFormat) {
@@ -2754,6 +2808,12 @@ av_cold void ff_sws_init_input_funcs(SwsInternal *c,
     case AV_PIX_FMT_RGBF32BE:
         *lumToYV12 = rgbf32be_to_y_c;
         break;
+    case AV_PIX_FMT_RGBAF32LE:
+        *lumToYV12 = rgbaf32le_to_y_c;
+        break;
+    case AV_PIX_FMT_RGBAF32BE:
+        *lumToYV12 = rgbaf32be_to_y_c;
+        break;
     }
     if (c->needAlpha) {
         if (is16BPS(srcFormat) || isNBPS(srcFormat)) {
@@ -2779,6 +2839,12 @@ av_cold void ff_sws_init_input_funcs(SwsInternal *c,
         case AV_PIX_FMT_RGBAF16LE:
             *alpToYV12 = rgbaf16leToA_c;
             break;
+        case AV_PIX_FMT_RGBAF32BE:
+            *alpToYV12 = rgbaf32be_to_a_c;
+            break;
+        case AV_PIX_FMT_RGBAF32LE:
+            *alpToYV12 = rgbaf32le_to_a_c;
+            break;
         case AV_PIX_FMT_YA8:
             *alpToYV12 = uyvyToY_c;
             break;