@@ -252,6 +252,27 @@ static void gray8aToPacked24(const uint8_t *src, uint8_t *dst, int num_pixels, c

     }

 }

+static int packed_16bpc_bswap(SwsContext *c, const uint8_t* src[],

+                              int srcStride[], int srcSliceY, int srcSliceH,

+                              uint8_t* dst[], int dstStride[])

+{

+    int i, j;

+    int srcstr = srcStride[0] >> 1;

+    int dststr = dstStride[0] >> 1;

+    uint16_t       *dstPtr =       (uint16_t *)dst[0];

+    const uint16_t *srcPtr = (const uint16_t *)src[0];

+

+    for (i = 0; i < srcSliceH; i++) {

+        for (j = 0; j < srcstr; j++) {

+            dstPtr[j] = av_bswap16(srcPtr[j]);

+        }

+        srcPtr += srcstr;

+        dstPtr += dststr;

+    }

+

+    return srcSliceH;

+}

+

 static int palToRgbWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,

                            int srcSliceH, uint8_t* dst[], int dstStride[])

 {

@@ -697,6 +718,15 @@ void ff_get_unscaled_swscale(SwsContext *c)

     if (srcFormat==PIX_FMT_BGR24 && (dstFormat==PIX_FMT_YUV420P || dstFormat==PIX_FMT_YUVA420P) && !(flags & SWS_ACCURATE_RND))

         c->swScale= bgr24ToYv12Wrapper;

+    /* bswap 16 bits per component packed formats */

+    if ((srcFormat == PIX_FMT_RGB48LE  && dstFormat == PIX_FMT_RGB48BE)  ||

+        (srcFormat == PIX_FMT_RGB48BE  && dstFormat == PIX_FMT_RGB48LE)  ||

+        (srcFormat == PIX_FMT_BGR48LE  && dstFormat == PIX_FMT_BGR48BE)  ||

+        (srcFormat == PIX_FMT_BGR48BE  && dstFormat == PIX_FMT_BGR48LE)  ||

+        (srcFormat == PIX_FMT_GRAY16LE && dstFormat == PIX_FMT_GRAY16BE) ||

+        (srcFormat == PIX_FMT_GRAY16BE && dstFormat == PIX_FMT_GRAY16LE))

+        c->swScale = packed_16bpc_bswap;

+

     /* RGB/BGR -> RGB/BGR (no dither needed forms) */

     if (   isAnyRGB(srcFormat)

         && isAnyRGB(dstFormat)