libswscale: add output support for AV_PIX_FMT_GBRAPF32

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

1 files changed, 36 insertions, 0 deletions

diff --git a/libswscale/swscale_internal.h b/libswscale/swscale_internal.h
index 9dda53eead..ee46092ff6 100644
--- a/libswscale/swscale_internal.h
+++ b/libswscale/swscale_internal.h
@@ -647,6 +647,13 @@ static av_always_inline int is16BPS(enum AVPixelFormat pix_fmt)
     return desc->comp[0].depth == 16;
 }
 
+static av_always_inline int is32BPS(enum AVPixelFormat pix_fmt)
+{
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
+    av_assert0(desc);
+    return desc->comp[0].depth == 32;
+}
+
 static av_always_inline int isNBPS(enum AVPixelFormat pix_fmt)
 {
     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
@@ -918,8 +925,37 @@ static inline void fillPlane16(uint8_t *plane, int stride, int width, int height
         }
         ptr += stride;
     }
+#undef FILL
 }
 
+static inline void fillPlane32(uint8_t *plane, int stride, int width, int height, int y,
+                               int alpha, int bits, const int big_endian, int is_float)
+{
+    int i, j;
+    uint8_t *ptr = plane + stride * y;
+    uint32_t v;
+    uint32_t onef32 = 0x3f800000;
+    if (is_float)
+        v = alpha ? onef32 : 0;
+    else
+        v = alpha ? 0xFFFFFFFF>>(32-bits) : (1<<(bits-1));
+
+    for (i = 0; i < height; i++) {
+#define FILL(wfunc) \
+        for (j = 0; j < width; j++) {\
+            wfunc(ptr+4*j, v);\
+        }
+        if (big_endian) {
+            FILL(AV_WB32);
+        } else {
+            FILL(AV_WL32);
+        }
+        ptr += stride;
+    }
+#undef FILL
+}
+
+
 #define MAX_SLICE_PLANES 4
 
 /// Slice plane