sws: rename SwsContext.swscale to convert_unscaled

That function pointer is now used only for unscaled conversion.

libswscale/aarch64/swscale_unscaled.c

@@ -102,7 +102,7 @@ DECLARE_FF_NVX_TO_ALL_RGBX_FUNCS(nv21)
         && !(c->srcH & 1)                                                                   \
         && !(c->srcW & 15)                                                                  \
         && !accurate_rnd)                                                                   \
-        c->swscale = ifmt##_to_##ofmt##_neon_wrapper;                                       \
+        c->convert_unscaled = ifmt##_to_##ofmt##_neon_wrapper;                              \
 } while (0)
 
 #define SET_FF_NVX_TO_ALL_RGBX_FUNC(nvx, NVX, accurate_rnd) do {                            \

libswscale/arm/swscale_unscaled.c

@@ -147,7 +147,7 @@ DECLARE_FF_NVX_TO_ALL_RGBX_FUNCS(nv21)
         && !(c->srcH & 1)                                                                   \
         && !(c->srcW & 15)                                                                  \
         && !accurate_rnd) {                                                                 \
-        c->swscale = ifmt##_to_##ofmt##_neon_wrapper;                                       \
+        c->convert_unscaled = ifmt##_to_##ofmt##_neon_wrapper;                              \
     }                                                                                       \
 } while (0)
 
@@ -163,8 +163,8 @@ static void get_unscaled_swscale_neon(SwsContext *c) {
     if (c->srcFormat == AV_PIX_FMT_RGBA
             && c->dstFormat == AV_PIX_FMT_NV12
             && (c->srcW >= 16)) {
-        c->swscale = accurate_rnd ? rgbx_to_nv12_neon_32_wrapper
-                        : rgbx_to_nv12_neon_16_wrapper;
+        c->convert_unscaled = accurate_rnd ? rgbx_to_nv12_neon_32_wrapper
+                                           : rgbx_to_nv12_neon_16_wrapper;
     }
 
     SET_FF_NVX_TO_ALL_RGBX_FUNC(nv12, NV12, accurate_rnd);

libswscale/ppc/yuv2yuv_altivec.c

@@ -196,9 +196,9 @@ av_cold void ff_get_unscaled_swscale_ppc(SwsContext *c)
 
         // unscaled YV12 -> packed YUV, we want speed
         if (dstFormat == AV_PIX_FMT_YUYV422)
-            c->swscale = yv12toyuy2_unscaled_altivec;
+            c->convert_unscaled = yv12toyuy2_unscaled_altivec;
         else if (dstFormat == AV_PIX_FMT_UYVY422)
-            c->swscale = yv12touyvy_unscaled_altivec;
+            c->convert_unscaled = yv12touyvy_unscaled_altivec;
     }
 #endif /* HAVE_ALTIVEC */
 }

libswscale/swscale.c

@@ -987,8 +987,9 @@ int attribute_align_arg sws_scale(struct SwsContext *c,
     if (srcSliceY_internal + srcSliceH == c->srcH)
         c->sliceDir = 0;
 
-    if (c->swscale)
-        ret = c->swscale(c, src2, srcStride2, srcSliceY_internal, srcSliceH, dst2, dstStride2);
+    if (c->convert_unscaled)
+        ret = c->convert_unscaled(c, src2, srcStride2, srcSliceY_internal, srcSliceH,
+                                  dst2, dstStride2);
     else
         ret = swscale(c, src2, srcStride2, srcSliceY_internal, srcSliceH, dst2, dstStride2);
 

libswscale/swscale_internal.h

@@ -290,7 +290,7 @@ typedef struct SwsContext {
      * Note that src, dst, srcStride, dstStride will be copied in the
      * sws_scale() wrapper so they can be freely modified here.
      */
-    SwsFunc swscale;
+    SwsFunc convert_unscaled;
     int srcW;                     ///< Width  of source      luma/alpha planes.
     int srcH;                     ///< Height of source      luma/alpha planes.
     int dstH;                     ///< Height of destination luma/alpha planes.
@@ -870,8 +870,8 @@ extern const int32_t ff_yuv2rgb_coeffs[11][4];
 extern const AVClass ff_sws_context_class;
 
 /**
- * Set c->swscale to an unscaled converter if one exists for the specific
- * source and destination formats, bit depths, flags, etc.
+ * Set c->convert_unscaled to an unscaled converter if one exists for the
+ * specific source and destination formats, bit depths, flags, etc.
  */
 void ff_get_unscaled_swscale(SwsContext *c);
 void ff_get_unscaled_swscale_ppc(SwsContext *c);

libswscale/swscale_unscaled.c

@@ -1988,28 +1988,28 @@ void ff_get_unscaled_swscale(SwsContext *c)
     /* yv12_to_nv12 */
     if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) &&
         (dstFormat == AV_PIX_FMT_NV12 || dstFormat == AV_PIX_FMT_NV21)) {
-        c->swscale = planarToNv12Wrapper;
+        c->convert_unscaled = planarToNv12Wrapper;
     }
     /* yv24_to_nv24 */
     if ((srcFormat == AV_PIX_FMT_YUV444P || srcFormat == AV_PIX_FMT_YUVA444P) &&
         (dstFormat == AV_PIX_FMT_NV24 || dstFormat == AV_PIX_FMT_NV42)) {
-        c->swscale = planarToNv24Wrapper;
+        c->convert_unscaled = planarToNv24Wrapper;
     }
     /* nv12_to_yv12 */
     if (dstFormat == AV_PIX_FMT_YUV420P &&
         (srcFormat == AV_PIX_FMT_NV12 || srcFormat == AV_PIX_FMT_NV21)) {
-        c->swscale = nv12ToPlanarWrapper;
+        c->convert_unscaled = nv12ToPlanarWrapper;
     }
     /* nv24_to_yv24 */
     if (dstFormat == AV_PIX_FMT_YUV444P &&
         (srcFormat == AV_PIX_FMT_NV24 || srcFormat == AV_PIX_FMT_NV42)) {
-        c->swscale = nv24ToPlanarWrapper;
+        c->convert_unscaled = nv24ToPlanarWrapper;
     }
     /* yuv2bgr */
     if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUV422P ||
          srcFormat == AV_PIX_FMT_YUVA420P) && isAnyRGB(dstFormat) &&
         !(flags & SWS_ACCURATE_RND) && (c->dither == SWS_DITHER_BAYER || c->dither == SWS_DITHER_AUTO) && !(dstH & 1)) {
-        c->swscale = ff_yuv2rgb_get_func_ptr(c);
+        c->convert_unscaled = ff_yuv2rgb_get_func_ptr(c);
     }
     /* yuv420p1x_to_p01x */
     if ((srcFormat == AV_PIX_FMT_YUV420P10 || srcFormat == AV_PIX_FMT_YUVA420P10 ||
@@ -2017,35 +2017,35 @@ void ff_get_unscaled_swscale(SwsContext *c)
          srcFormat == AV_PIX_FMT_YUV420P14 ||
          srcFormat == AV_PIX_FMT_YUV420P16 || srcFormat == AV_PIX_FMT_YUVA420P16) &&
         (dstFormat == AV_PIX_FMT_P010 || dstFormat == AV_PIX_FMT_P016)) {
-        c->swscale = planarToP01xWrapper;
+        c->convert_unscaled = planarToP01xWrapper;
     }
     /* yuv420p_to_p01xle */
     if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) &&
         (dstFormat == AV_PIX_FMT_P010LE || dstFormat == AV_PIX_FMT_P016LE)) {
-        c->swscale = planar8ToP01xleWrapper;
+        c->convert_unscaled = planar8ToP01xleWrapper;
     }
 
     if (srcFormat == AV_PIX_FMT_YUV410P && !(dstH & 3) &&
         (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P) &&
         !(flags & SWS_BITEXACT)) {
-        c->swscale = yvu9ToYv12Wrapper;
+        c->convert_unscaled = yvu9ToYv12Wrapper;
     }
 
     /* bgr24toYV12 */
     if (srcFormat == AV_PIX_FMT_BGR24 &&
         (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P) &&
         !(flags & SWS_ACCURATE_RND) && !(dstW&1))
-        c->swscale = bgr24ToYv12Wrapper;
+        c->convert_unscaled = bgr24ToYv12Wrapper;
 
     /* RGB/BGR -> RGB/BGR (no dither needed forms) */
     if (isAnyRGB(srcFormat) && isAnyRGB(dstFormat) && findRgbConvFn(c)
         && (!needsDither || (c->flags&(SWS_FAST_BILINEAR|SWS_POINT))))
-        c->swscale = rgbToRgbWrapper;
+        c->convert_unscaled = rgbToRgbWrapper;
 
     /* RGB to planar RGB */
     if ((srcFormat == AV_PIX_FMT_GBRP && dstFormat == AV_PIX_FMT_GBRAP) ||
         (srcFormat == AV_PIX_FMT_GBRAP && dstFormat == AV_PIX_FMT_GBRP))
-        c->swscale = planarRgbToplanarRgbWrapper;
+        c->convert_unscaled = planarRgbToplanarRgbWrapper;
 
 #define isByteRGB(f) (             \
         f == AV_PIX_FMT_RGB32   || \
@@ -2056,10 +2056,10 @@ void ff_get_unscaled_swscale(SwsContext *c)
         f == AV_PIX_FMT_BGR24)
 
     if (srcFormat == AV_PIX_FMT_GBRP && isPlanar(srcFormat) && isByteRGB(dstFormat))
-        c->swscale = planarRgbToRgbWrapper;
+        c->convert_unscaled = planarRgbToRgbWrapper;
 
     if (srcFormat == AV_PIX_FMT_GBRAP && isByteRGB(dstFormat))
-        c->swscale = planarRgbaToRgbWrapper;
+        c->convert_unscaled = planarRgbaToRgbWrapper;
 
     if ((srcFormat == AV_PIX_FMT_RGB48LE  || srcFormat == AV_PIX_FMT_RGB48BE  ||
          srcFormat == AV_PIX_FMT_BGR48LE  || srcFormat == AV_PIX_FMT_BGR48BE  ||
@@ -2073,7 +2073,7 @@ void ff_get_unscaled_swscale(SwsContext *c)
          dstFormat == AV_PIX_FMT_GBRAP10LE || dstFormat == AV_PIX_FMT_GBRAP10BE ||
          dstFormat == AV_PIX_FMT_GBRAP12LE || dstFormat == AV_PIX_FMT_GBRAP12BE ||
          dstFormat == AV_PIX_FMT_GBRAP16LE || dstFormat == AV_PIX_FMT_GBRAP16BE ))
-        c->swscale = Rgb16ToPlanarRgb16Wrapper;
+        c->convert_unscaled = Rgb16ToPlanarRgb16Wrapper;
 
     if ((srcFormat == AV_PIX_FMT_GBRP9LE  || srcFormat == AV_PIX_FMT_GBRP9BE  ||
          srcFormat == AV_PIX_FMT_GBRP16LE || srcFormat == AV_PIX_FMT_GBRP16BE ||
@@ -2087,19 +2087,19 @@ void ff_get_unscaled_swscale(SwsContext *c)
          dstFormat == AV_PIX_FMT_BGR48LE  || dstFormat == AV_PIX_FMT_BGR48BE  ||
          dstFormat == AV_PIX_FMT_RGBA64LE || dstFormat == AV_PIX_FMT_RGBA64BE ||
          dstFormat == AV_PIX_FMT_BGRA64LE || dstFormat == AV_PIX_FMT_BGRA64BE))
-        c->swscale = planarRgb16ToRgb16Wrapper;
+        c->convert_unscaled = planarRgb16ToRgb16Wrapper;
 
     if (av_pix_fmt_desc_get(srcFormat)->comp[0].depth == 8 &&
         isPackedRGB(srcFormat) && dstFormat == AV_PIX_FMT_GBRP)
-        c->swscale = rgbToPlanarRgbWrapper;
+        c->convert_unscaled = rgbToPlanarRgbWrapper;
 
     if (isBayer(srcFormat)) {
         if (dstFormat == AV_PIX_FMT_RGB24)
-            c->swscale = bayer_to_rgb24_wrapper;
+            c->convert_unscaled = bayer_to_rgb24_wrapper;
         else if (dstFormat == AV_PIX_FMT_RGB48)
-            c->swscale = bayer_to_rgb48_wrapper;
+            c->convert_unscaled = bayer_to_rgb48_wrapper;
         else if (dstFormat == AV_PIX_FMT_YUV420P)
-            c->swscale = bayer_to_yv12_wrapper;
+            c->convert_unscaled = bayer_to_yv12_wrapper;
         else if (!isBayer(dstFormat)) {
             av_log(c, AV_LOG_ERROR, "unsupported bayer conversion\n");
             av_assert0(0);
@@ -2154,31 +2154,31 @@ void ff_get_unscaled_swscale(SwsContext *c)
         IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P12) ||
         IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P14) ||
         IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P16))
-        c->swscale = bswap_16bpc;
+        c->convert_unscaled = bswap_16bpc;
 
     /* bswap 32 bits per pixel/component formats */
     if (IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRPF32) ||
         IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRAPF32))
-        c->swscale = bswap_32bpc;
+        c->convert_unscaled = bswap_32bpc;
 
     if (usePal(srcFormat) && isByteRGB(dstFormat))
-        c->swscale = palToRgbWrapper;
+        c->convert_unscaled = palToRgbWrapper;
 
     if (srcFormat == AV_PIX_FMT_YUV422P) {
         if (dstFormat == AV_PIX_FMT_YUYV422)
-            c->swscale = yuv422pToYuy2Wrapper;
+            c->convert_unscaled = yuv422pToYuy2Wrapper;
         else if (dstFormat == AV_PIX_FMT_UYVY422)
-            c->swscale = yuv422pToUyvyWrapper;
+            c->convert_unscaled = yuv422pToUyvyWrapper;
     }
 
     /* uint Y to float Y */
     if (srcFormat == AV_PIX_FMT_GRAY8 && dstFormat == AV_PIX_FMT_GRAYF32){
-        c->swscale = uint_y_to_float_y_wrapper;
+        c->convert_unscaled = uint_y_to_float_y_wrapper;
     }
 
     /* float Y to uint Y */
     if (srcFormat == AV_PIX_FMT_GRAYF32 && dstFormat == AV_PIX_FMT_GRAY8){
-        c->swscale = float_y_to_uint_y_wrapper;
+        c->convert_unscaled = float_y_to_uint_y_wrapper;
     }
 
     /* LQ converters if -sws 0 or -sws 4*/
@@ -2186,21 +2186,21 @@ void ff_get_unscaled_swscale(SwsContext *c)
         /* yv12_to_yuy2 */
         if (srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) {
             if (dstFormat == AV_PIX_FMT_YUYV422)
-                c->swscale = planarToYuy2Wrapper;
+                c->convert_unscaled = planarToYuy2Wrapper;
             else if (dstFormat == AV_PIX_FMT_UYVY422)
-                c->swscale = planarToUyvyWrapper;
+                c->convert_unscaled = planarToUyvyWrapper;
         }
     }
     if (srcFormat == AV_PIX_FMT_YUYV422 &&
        (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P))
-        c->swscale = yuyvToYuv420Wrapper;
+        c->convert_unscaled = yuyvToYuv420Wrapper;
     if (srcFormat == AV_PIX_FMT_UYVY422 &&
        (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P))
-        c->swscale = uyvyToYuv420Wrapper;
+        c->convert_unscaled = uyvyToYuv420Wrapper;
     if (srcFormat == AV_PIX_FMT_YUYV422 && dstFormat == AV_PIX_FMT_YUV422P)
-        c->swscale = yuyvToYuv422Wrapper;
+        c->convert_unscaled = yuyvToYuv422Wrapper;
     if (srcFormat == AV_PIX_FMT_UYVY422 && dstFormat == AV_PIX_FMT_YUV422P)
-        c->swscale = uyvyToYuv422Wrapper;
+        c->convert_unscaled = uyvyToYuv422Wrapper;
 
 #define isPlanarGray(x) (isGray(x) && (x) != AV_PIX_FMT_YA8 && (x) != AV_PIX_FMT_YA16LE && (x) != AV_PIX_FMT_YA16BE)
     /* simple copy */
@@ -2216,9 +2216,9 @@ void ff_get_unscaled_swscale(SwsContext *c)
          !isSemiPlanarYUV(srcFormat) && !isSemiPlanarYUV(dstFormat))))
     {
         if (isPacked(c->srcFormat))
-            c->swscale = packedCopyWrapper;
+            c->convert_unscaled = packedCopyWrapper;
         else /* Planar YUV or gray */
-            c->swscale = planarCopyWrapper;
+            c->convert_unscaled = planarCopyWrapper;
     }
 
     if (ARCH_PPC)

libswscale/utils.c

@@ -1823,7 +1823,7 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
         (c->srcRange == c->dstRange || isAnyRGB(dstFormat)) &&
         alphaless_fmt(srcFormat) == dstFormat
     ) {
-        c->swscale = ff_sws_alphablendaway;
+        c->convert_unscaled = ff_sws_alphablendaway;
 
         if (flags & SWS_PRINT_INFO)
             av_log(c, AV_LOG_INFO,
@@ -1838,7 +1838,7 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
          isFloat(srcFormat) || isFloat(dstFormat))){
         ff_get_unscaled_swscale(c);
 
-        if (c->swscale) {
+        if (c->convert_unscaled) {
             if (flags & SWS_PRINT_INFO)
                 av_log(c, AV_LOG_INFO,
                        "using unscaled %s -> %s special converter\n",