swscale: split yuv2packed[12X]_c() remainders into small functions.

This is part of the Great Evil Plan to simplify swscale.

1 files changed, 402 insertions, 296 deletions

diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index 731f1320b3..bbcb1974c5 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -885,53 +885,321 @@ YUV2PACKEDWRAPPER(yuv2, rgb48, rgb48be, PIX_FMT_RGB48BE);
 YUV2PACKEDWRAPPER(yuv2, rgb48, bgr48be, PIX_FMT_BGR48BE);
 //YUV2PACKEDWRAPPER(yuv2, rgb48, bgr48le, PIX_FMT_BGR48LE);
 
-#define YSCALE_YUV_2_RGBX_C(type,alpha) \
-    for (i=0; i<(dstW>>1); i++) {\
-        int j;\
-        int Y1 = 1<<18;\
-        int Y2 = 1<<18;\
-        int U  = 1<<18;\
-        int V  = 1<<18;\
-        int av_unused A1, A2;\
-        type av_unused *r, *b, *g;\
-        const int i2= 2*i;\
-        \
-        for (j=0; j<lumFilterSize; j++) {\
-            Y1 += lumSrc[j][i2] * lumFilter[j];\
-            Y2 += lumSrc[j][i2+1] * lumFilter[j];\
-        }\
-        for (j=0; j<chrFilterSize; j++) {\
-            U += chrUSrc[j][i] * chrFilter[j];\
-            V += chrVSrc[j][i] * chrFilter[j];\
-        }\
-        Y1>>=19;\
-        Y2>>=19;\
-        U >>=19;\
-        V >>=19;\
-        if ((Y1|Y2|U|V)&0x100) {\
-            Y1 = av_clip_uint8(Y1); \
-            Y2 = av_clip_uint8(Y2); \
-            U  = av_clip_uint8(U); \
-            V  = av_clip_uint8(V); \
-        }\
-        if (alpha) {\
-            A1 = 1<<18;\
-            A2 = 1<<18;\
-            for (j=0; j<lumFilterSize; j++) {\
-                A1 += alpSrc[j][i2  ] * lumFilter[j];\
-                A2 += alpSrc[j][i2+1] * lumFilter[j];\
-            }\
-            A1>>=19;\
-            A2>>=19;\
-            if ((A1|A2)&0x100) {\
-                A1 = av_clip_uint8(A1); \
-                A2 = av_clip_uint8(A2); \
-            }\
-        }\
-        /* FIXME fix tables so that clipping is not needed and then use _NOCLIP*/\
-    r = (type *)c->table_rV[V];   \
-    g = (type *)(c->table_gU[U] + c->table_gV[V]); \
-    b = (type *)c->table_bU[U];
+static av_always_inline void
+yuv2rgb_write(uint8_t *_dest, int i, int Y1, int Y2,
+              int U, int V, int A1, int A2,
+              const void *_r, const void *_g, const void *_b, int y,
+              enum PixelFormat target, int hasAlpha)
+{
+    if (target == PIX_FMT_ARGB || target == PIX_FMT_RGBA ||
+        target == PIX_FMT_ABGR || target == PIX_FMT_BGRA) {
+        uint32_t *dest = (uint32_t *) _dest;
+        const uint32_t *r = (const uint32_t *) _r;
+        const uint32_t *g = (const uint32_t *) _g;
+        const uint32_t *b = (const uint32_t *) _b;
+
+#if CONFIG_SMALL
+        int sh = hasAlpha ? ((fmt == PIX_FMT_RGB32_1 || fmt == PIX_FMT_BGR32_1) ? 0 : 24) : 0;
+
+        dest[i * 2 + 0] = r[Y1] + g[Y1] + b[Y1] + (hasAlpha ? A1 << sh : 0);
+        dest[i * 2 + 1] = r[Y2] + g[Y2] + b[Y2] + (hasAlpha ? A2 << sh : 0);
+#else
+        if (hasAlpha) {
+            int sh = (target == PIX_FMT_RGB32_1 || target == PIX_FMT_BGR32_1) ? 0 : 24;
+
+            dest[i * 2 + 0] = r[Y1] + g[Y1] + b[Y1] + (A1 << sh);
+            dest[i * 2 + 1] = r[Y2] + g[Y2] + b[Y2] + (A2 << sh);
+        } else {
+            dest[i * 2 + 0] = r[Y1] + g[Y1] + b[Y1];
+            dest[i * 2 + 1] = r[Y2] + g[Y2] + b[Y2];
+        }
+#endif
+    } else if (target == PIX_FMT_RGB24 || target == PIX_FMT_BGR24) {
+        uint8_t *dest = (uint8_t *) _dest;
+        const uint8_t *r = (const uint8_t *) _r;
+        const uint8_t *g = (const uint8_t *) _g;
+        const uint8_t *b = (const uint8_t *) _b;
+
+#define r_b ((target == PIX_FMT_RGB24) ? r : b)
+#define b_r ((target == PIX_FMT_RGB24) ? b : r)
+        dest[i * 6 + 0] = r_b[Y1];
+        dest[i * 6 + 1] =   g[Y1];
+        dest[i * 6 + 2] = b_r[Y1];
+        dest[i * 6 + 3] = r_b[Y2];
+        dest[i * 6 + 4] =   g[Y2];
+        dest[i * 6 + 5] = b_r[Y2];
+#undef r_b
+#undef b_r
+    } else if (target == PIX_FMT_RGB565 || target == PIX_FMT_BGR565 ||
+               target == PIX_FMT_RGB555 || target == PIX_FMT_BGR555 ||
+               target == PIX_FMT_RGB444 || target == PIX_FMT_BGR444) {
+        uint16_t *dest = (uint16_t *) _dest;
+        const uint16_t *r = (const uint16_t *) _r;
+        const uint16_t *g = (const uint16_t *) _g;
+        const uint16_t *b = (const uint16_t *) _b;
+        int dr1, dg1, db1, dr2, dg2, db2;
+
+        if (target == PIX_FMT_RGB565 || target == PIX_FMT_BGR565) {
+            dr1 = dither_2x2_8[ y & 1     ][0];
+            dg1 = dither_2x2_4[ y & 1     ][0];
+            db1 = dither_2x2_8[(y & 1) ^ 1][0];
+            dr2 = dither_2x2_8[ y & 1     ][1];
+            dg2 = dither_2x2_4[ y & 1     ][1];
+            db2 = dither_2x2_8[(y & 1) ^ 1][1];
+        } else if (target == PIX_FMT_RGB555 || target == PIX_FMT_BGR555) {
+            dr1 = dither_2x2_8[ y & 1     ][0];
+            dg1 = dither_2x2_8[ y & 1     ][1];
+            db1 = dither_2x2_8[(y & 1) ^ 1][0];
+            dr2 = dither_2x2_8[ y & 1     ][1];
+            dg2 = dither_2x2_8[ y & 1     ][0];
+            db2 = dither_2x2_8[(y & 1) ^ 1][1];
+        } else {
+            dr1 = dither_4x4_16[ y & 3     ][0];
+            dg1 = dither_4x4_16[ y & 3     ][1];
+            db1 = dither_4x4_16[(y & 3) ^ 3][0];
+            dr2 = dither_4x4_16[ y & 3     ][1];
+            dg2 = dither_4x4_16[ y & 3     ][0];
+            db2 = dither_4x4_16[(y & 3) ^ 3][1];
+        }
+
+        dest[i * 2 + 0] = r[Y1 + dr1] + g[Y1 + dg1] + b[Y1 + db1];
+        dest[i * 2 + 1] = r[Y2 + dr2] + g[Y2 + dg2] + b[Y2 + db2];
+    } else /* 8/4-bit */ {
+        uint8_t *dest = (uint8_t *) _dest;
+        const uint8_t *r = (const uint8_t *) _r;
+        const uint8_t *g = (const uint8_t *) _g;
+        const uint8_t *b = (const uint8_t *) _b;
+        int dr1, dg1, db1, dr2, dg2, db2;
+
+        if (target == PIX_FMT_RGB8 || target == PIX_FMT_BGR8) {
+            const uint8_t * const d64 = dither_8x8_73[y & 7];
+            const uint8_t * const d32 = dither_8x8_32[y & 7];
+            dr1 = dg1 = d32[(i * 2 + 0) & 7];
+            db1 =       d64[(i * 2 + 0) & 7];
+            dr2 = dg2 = d32[(i * 2 + 1) & 7];
+            db2 =       d64[(i * 2 + 1) & 7];
+        } else {
+            const uint8_t * const d64  = dither_8x8_73 [y & 7];
+            const uint8_t * const d128 = dither_8x8_220[y & 7];
+            dr1 = db1 = d128[(i * 2 + 0) & 7];
+            dg1 =        d64[(i * 2 + 0) & 7];
+            dr2 = db2 = d128[(i * 2 + 1) & 7];
+            dg2 =        d64[(i * 2 + 1) & 7];
+        }
+
+        if (target == PIX_FMT_RGB4 || target == PIX_FMT_BGR4) {
+            dest[i] = r[Y1 + dr1] + g[Y1 + dg1] + b[Y1 + db1] +
+                    ((r[Y2 + dr2] + g[Y2 + dg2] + b[Y2 + db2]) << 4);
+        } else {
+            dest[i * 2 + 0] = r[Y1 + dr1] + g[Y1 + dg1] + b[Y1 + db1];
+            dest[i * 2 + 1] = r[Y2 + dr2] + g[Y2 + dg2] + b[Y2 + db2];
+        }
+    }
+}
+
+static av_always_inline void
+yuv2rgb_X_c_template(SwsContext *c, const int16_t *lumFilter,
+                     const int16_t **lumSrc, int lumFilterSize,
+                     const int16_t *chrFilter, const int16_t **chrUSrc,
+                     const int16_t **chrVSrc, int chrFilterSize,
+                     const int16_t **alpSrc, uint8_t *dest, int dstW,
+                     int y, enum PixelFormat target, int hasAlpha)
+{
+    int i;
+
+    for (i = 0; i < (dstW >> 1); i++) {
+        int j;
+        int Y1 = 1 << 18;
+        int Y2 = 1 << 18;
+        int U  = 1 << 18;
+        int V  = 1 << 18;
+        int av_unused A1, A2;
+        const void *r, *g, *b;
+
+        for (j = 0; j < lumFilterSize; j++) {
+            Y1 += lumSrc[j][i * 2]     * lumFilter[j];
+            Y2 += lumSrc[j][i * 2 + 1] * lumFilter[j];
+        }
+        for (j = 0; j < chrFilterSize; j++) {
+            U += chrUSrc[j][i] * chrFilter[j];
+            V += chrVSrc[j][i] * chrFilter[j];
+        }
+        Y1 >>= 19;
+        Y2 >>= 19;
+        U  >>= 19;
+        V  >>= 19;
+        if ((Y1 | Y2 | U | V) & 0x100) {
+            Y1 = av_clip_uint8(Y1);
+            Y2 = av_clip_uint8(Y2);
+            U  = av_clip_uint8(U);
+            V  = av_clip_uint8(V);
+        }
+        if (hasAlpha) {\
+            A1 = 1 << 18;
+            A2 = 1 << 18;
+            for (j = 0; j < lumFilterSize; j++) {
+                A1 += alpSrc[j][i * 2    ] * lumFilter[j];
+                A2 += alpSrc[j][i * 2 + 1] * lumFilter[j];
+            }
+            A1 >>= 19;
+            A2 >>= 19;
+            if ((A1 | A2) & 0x100) {
+                A1 = av_clip_uint8(A1);
+                A2 = av_clip_uint8(A2);
+            }
+        }
+
+        /* FIXME fix tables so that clipping is not needed and then use _NOCLIP*/
+        r =  c->table_rV[V];
+        g = (c->table_gU[U] + c->table_gV[V]);
+        b =  c->table_bU[U];
+
+        yuv2rgb_write(dest, i, Y1, Y2, U, V, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,
+                      r, g, b, y, target, hasAlpha);
+    }
+}
+
+static av_always_inline void
+yuv2rgb_2_c_template(SwsContext *c, const uint16_t *buf0,
+                     const uint16_t *buf1, const uint16_t *ubuf0,
+                     const uint16_t *ubuf1, const uint16_t *vbuf0,
+                     const uint16_t *vbuf1, const uint16_t *abuf0,
+                     const uint16_t *abuf1, uint8_t *dest, int dstW,
+                     int yalpha, int uvalpha, int y,
+                     enum PixelFormat target, int hasAlpha)
+{
+    int  yalpha1 = 4095 - yalpha;
+    int uvalpha1 = 4095 - uvalpha;
+    int i;
+
+    for (i = 0; i < (dstW >> 1); i++) {
+        int Y1 = (buf0[i * 2]     * yalpha1  + buf1[i * 2]     * yalpha)  >> 19;
+        int Y2 = (buf0[i * 2 + 1] * yalpha1  + buf1[i * 2 + 1] * yalpha)  >> 19;
+        int U  = (ubuf0[i]        * uvalpha1 + ubuf1[i]        * uvalpha) >> 19;
+        int V  = (vbuf0[i]        * uvalpha1 + vbuf1[i]        * uvalpha) >> 19;
+        int A1, A2;
+        const void *r =  c->table_rV[V],
+                   *g = (c->table_gU[U] + c->table_gV[V]),
+                   *b =  c->table_bU[U];
+
+        if (hasAlpha) {
+            A1 = (abuf0[i * 2    ] * yalpha1 + abuf1[i * 2    ] * yalpha) >> 19;
+            A2 = (abuf0[i * 2 + 1] * yalpha1 + abuf1[i * 2 + 1] * yalpha) >> 19;
+        }
+
+        yuv2rgb_write(dest, i, Y1, Y2, U, V, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,
+                      r, g, b, y, target, hasAlpha);
+    }
+}
+
+static av_always_inline void
+yuv2rgb_1_c_template(SwsContext *c, const uint16_t *buf0,
+                     const uint16_t *ubuf0, const uint16_t *ubuf1,
+                     const uint16_t *vbuf0, const uint16_t *vbuf1,
+                     const uint16_t *abuf0, uint8_t *dest, int dstW,
+                     int uvalpha, enum PixelFormat dstFormat,
+                     int flags, int y, enum PixelFormat target,
+                     int hasAlpha)
+{
+    int i;
+
+    if (uvalpha < 2048) {
+        for (i = 0; i < (dstW >> 1); i++) {
+            int Y1 = buf0[i * 2]     >> 7;
+            int Y2 = buf0[i * 2 + 1] >> 7;
+            int U  = ubuf1[i]        >> 7;
+            int V  = vbuf1[i]        >> 7;
+            int A1, A2;
+            const void *r =  c->table_rV[V],
+                       *g = (c->table_gU[U] + c->table_gV[V]),
+                       *b =  c->table_bU[U];
+
+            if (hasAlpha) {
+                A1 = abuf0[i * 2    ] >> 7;
+                A2 = abuf0[i * 2 + 1] >> 7;
+            }
+
+            yuv2rgb_write(dest, i, Y1, Y2, U, V, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,
+                          r, g, b, y, target, hasAlpha);
+        }
+    } else {
+        for (i = 0; i < (dstW >> 1); i++) {
+            int Y1 =  buf0[i * 2]          >> 7;
+            int Y2 =  buf0[i * 2 + 1]      >> 7;
+            int U  = (ubuf0[i] + ubuf1[i]) >> 8;
+            int V  = (vbuf0[i] + vbuf1[i]) >> 8;
+            int A1, A2;
+            const void *r =  c->table_rV[V],
+                       *g = (c->table_gU[U] + c->table_gV[V]),
+                       *b =  c->table_bU[U];
+
+            if (hasAlpha) {
+                A1 = abuf0[i * 2    ] >> 7;
+                A2 = abuf0[i * 2 + 1] >> 7;
+            }
+
+            yuv2rgb_write(dest, i, Y1, Y2, U, V, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,
+                          r, g, b, y, target, hasAlpha);
+        }
+    }
+}
+
+#define YUV2RGBWRAPPER(name, base, ext, fmt, hasAlpha) \
+static void name ## ext ## _X_c(SwsContext *c, const int16_t *lumFilter, \
+                                const int16_t **lumSrc, int lumFilterSize, \
+                                const int16_t *chrFilter, const int16_t **chrUSrc, \
+                                const int16_t **chrVSrc, int chrFilterSize, \
+                                const int16_t **alpSrc, uint8_t *dest, int dstW, \
+                                int y) \
+{ \
+    name ## base ## _X_c_template(c, lumFilter, lumSrc, lumFilterSize, \
+                                  chrFilter, chrUSrc, chrVSrc, chrFilterSize, \
+                                  alpSrc, dest, dstW, y, fmt, hasAlpha); \
+} \
+ \
+static void name ## ext ## _2_c(SwsContext *c, const uint16_t *buf0, \
+                                const uint16_t *buf1, const uint16_t *ubuf0, \
+                                const uint16_t *ubuf1, const uint16_t *vbuf0, \
+                                const uint16_t *vbuf1, const uint16_t *abuf0, \
+                                const uint16_t *abuf1, uint8_t *dest, int dstW, \
+                                int yalpha, int uvalpha, int y) \
+{ \
+    name ## base ## _2_c_template(c, buf0, buf1, ubuf0, ubuf1, \
+                                  vbuf0, vbuf1, abuf0, abuf1, \
+                                  dest, dstW, yalpha, uvalpha, y, fmt, hasAlpha); \
+} \
+ \
+static void name ## ext ## _1_c(SwsContext *c, const uint16_t *buf0, \
+                                const uint16_t *ubuf0, const uint16_t *ubuf1, \
+                                const uint16_t *vbuf0, const uint16_t *vbuf1, \
+                                const uint16_t *abuf0, uint8_t *dest, int dstW, \
+                                int uvalpha, enum PixelFormat dstFormat, \
+                                int flags, int y) \
+{ \
+    name ## base ## _1_c_template(c, buf0, ubuf0, ubuf1, vbuf0, \
+                                  vbuf1, abuf0, dest, dstW, uvalpha, \
+                                  dstFormat, flags, y, fmt, hasAlpha); \
+}
+
+#if CONFIG_SMALL
+YUV2RGBWRAPPER(yuv2rgb,,  32_1,  PIX_FMT_RGB32_1,   CONFIG_SWSCALE_ALPHA && c->alpPixBuf);
+YUV2RGBWRAPPER(yuv2rgb,,  32,    PIX_FMT_RGB32,     CONFIG_SWSCALE_ALPHA && c->alpPixBuf);
+#else
+#if CONFIG_SWSCALE_ALPHA
+YUV2RGBWRAPPER(yuv2rgb,, a32_1,  PIX_FMT_RGB32_1,   1);
+YUV2RGBWRAPPER(yuv2rgb,, a32,    PIX_FMT_RGB32,     1);
+#endif
+YUV2RGBWRAPPER(yuv2rgb,, x32_1,  PIX_FMT_RGB32_1,   0);
+YUV2RGBWRAPPER(yuv2rgb,, x32,    PIX_FMT_RGB32,     0);
+#endif
+YUV2RGBWRAPPER(yuv2, rgb, rgb24, PIX_FMT_RGB24,   0);
+YUV2RGBWRAPPER(yuv2, rgb, bgr24, PIX_FMT_BGR24,   0);
+YUV2RGBWRAPPER(yuv2rgb,,  16,    PIX_FMT_RGB565,    0);
+YUV2RGBWRAPPER(yuv2rgb,,  15,    PIX_FMT_RGB555,    0);
+YUV2RGBWRAPPER(yuv2rgb,,  12,    PIX_FMT_RGB444,    0);
+YUV2RGBWRAPPER(yuv2rgb,,   8,    PIX_FMT_RGB8,      0);
+YUV2RGBWRAPPER(yuv2rgb,,   4,    PIX_FMT_RGB4,      0);
+YUV2RGBWRAPPER(yuv2rgb,,   4b,   PIX_FMT_RGB4_BYTE, 0);
 
 #define YSCALE_YUV_2_RGBX_FULL_C(rnd,alpha) \
     for (i=0; i<dstW; i++) {\
@@ -972,215 +1240,6 @@ YUV2PACKEDWRAPPER(yuv2, rgb48, bgr48be, PIX_FMT_BGR48BE);
             B = av_clip_uintp2(B, 30); \
         }
 
-#define YSCALE_YUV_2_RGB2_C(type,alpha) \
-    for (i=0; i<(dstW>>1); i++) { \
-        const int i2= 2*i;       \
-        int Y1= (buf0[i2  ]*yalpha1+buf1[i2  ]*yalpha)>>19;           \
-        int Y2= (buf0[i2+1]*yalpha1+buf1[i2+1]*yalpha)>>19;           \
-        int U= (ubuf0[i]*uvalpha1+ubuf1[i]*uvalpha)>>19;              \
-        int V= (vbuf0[i]*uvalpha1+vbuf1[i]*uvalpha)>>19;              \
-        type av_unused *r, *b, *g;                                    \
-        int av_unused A1, A2;                                         \
-        if (alpha) {\
-            A1= (abuf0[i2  ]*yalpha1+abuf1[i2  ]*yalpha)>>19;         \
-            A2= (abuf0[i2+1]*yalpha1+abuf1[i2+1]*yalpha)>>19;         \
-        }\
-    r = (type *)c->table_rV[V];\
-    g = (type *)(c->table_gU[U] + c->table_gV[V]);\
-    b = (type *)c->table_bU[U];
-
-#define YSCALE_YUV_2_RGB1_C(type,alpha) \
-    for (i=0; i<(dstW>>1); i++) {\
-        const int i2= 2*i;\
-        int Y1= buf0[i2  ]>>7;\
-        int Y2= buf0[i2+1]>>7;\
-        int U= (ubuf1[i])>>7;\
-        int V= (vbuf1[i])>>7;\
-        type av_unused *r, *b, *g;\
-        int av_unused A1, A2;\
-        if (alpha) {\
-            A1= abuf0[i2  ]>>7;\
-            A2= abuf0[i2+1]>>7;\
-        }\
-    r = (type *)c->table_rV[V];\
-    g = (type *)(c->table_gU[U] + c->table_gV[V]);\
-    b = (type *)c->table_bU[U];
-
-#define YSCALE_YUV_2_RGB1B_C(type,alpha) \
-    for (i=0; i<(dstW>>1); i++) {\
-        const int i2= 2*i;\
-        int Y1= buf0[i2  ]>>7;\
-        int Y2= buf0[i2+1]>>7;\
-        int U= (ubuf0[i] + ubuf1[i])>>8;\
-        int V= (vbuf0[i] + vbuf1[i])>>8;\
-        type av_unused *r, *b, *g;\
-        int av_unused A1, A2;\
-        if (alpha) {\
-            A1= abuf0[i2  ]>>7;\
-            A2= abuf0[i2+1]>>7;\
-        }\
-    r = (type *)c->table_rV[V];\
-    g = (type *)(c->table_gU[U] + c->table_gV[V]);\
-    b = (type *)c->table_bU[U];
-
-#define YSCALE_YUV_2_ANYRGB_C(func)\
-    switch(c->dstFormat) {\
-    case PIX_FMT_RGBA:\
-    case PIX_FMT_BGRA:\
-        if (CONFIG_SMALL) {\
-            int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;\
-            func(uint32_t,needAlpha)\
-                ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + (needAlpha ? (A1<<24) : 0);\
-                ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + (needAlpha ? (A2<<24) : 0);\
-            }\
-        } else {\
-            if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {\
-                func(uint32_t,1)\
-                    ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + (A1<<24);\
-                    ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + (A2<<24);\
-                }\
-            } else {\
-                func(uint32_t,0)\
-                    ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1];\
-                    ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2];\
-                }\
-            }\
-        }\
-        break;\
-    case PIX_FMT_ARGB:\
-    case PIX_FMT_ABGR:\
-        if (CONFIG_SMALL) {\
-            int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;\
-            func(uint32_t,needAlpha)\
-                ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + (needAlpha ? A1 : 0);\
-                ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + (needAlpha ? A2 : 0);\
-            }\
-        } else {\
-            if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {\
-                func(uint32_t,1)\
-                    ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + A1;\
-                    ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + A2;\
-                }\
-            } else {\
-                func(uint32_t,0)\
-                    ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1];\
-                    ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2];\
-                }\
-            }\
-        }                \
-        break;\
-    case PIX_FMT_RGB24:\
-        func(uint8_t,0)\
-            ((uint8_t*)dest)[0]= r[Y1];\
-            ((uint8_t*)dest)[1]= g[Y1];\
-            ((uint8_t*)dest)[2]= b[Y1];\
-            ((uint8_t*)dest)[3]= r[Y2];\
-            ((uint8_t*)dest)[4]= g[Y2];\
-            ((uint8_t*)dest)[5]= b[Y2];\
-            dest+=6;\
-        }\
-        break;\
-    case PIX_FMT_BGR24:\
-        func(uint8_t,0)\
-            ((uint8_t*)dest)[0]= b[Y1];\
-            ((uint8_t*)dest)[1]= g[Y1];\
-            ((uint8_t*)dest)[2]= r[Y1];\
-            ((uint8_t*)dest)[3]= b[Y2];\
-            ((uint8_t*)dest)[4]= g[Y2];\
-            ((uint8_t*)dest)[5]= r[Y2];\
-            dest+=6;\
-        }\
-        break;\
-    case PIX_FMT_RGB565:\
-    case PIX_FMT_BGR565:\
-        {\
-            const int dr1= dither_2x2_8[y&1    ][0];\
-            const int dg1= dither_2x2_4[y&1    ][0];\
-            const int db1= dither_2x2_8[(y&1)^1][0];\
-            const int dr2= dither_2x2_8[y&1    ][1];\
-            const int dg2= dither_2x2_4[y&1    ][1];\
-            const int db2= dither_2x2_8[(y&1)^1][1];\
-            func(uint16_t,0)\
-                ((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\
-                ((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\
-            }\
-        }\
-        break;\
-    case PIX_FMT_RGB555:\
-    case PIX_FMT_BGR555:\
-        {\
-            const int dr1= dither_2x2_8[y&1    ][0];\
-            const int dg1= dither_2x2_8[y&1    ][1];\
-            const int db1= dither_2x2_8[(y&1)^1][0];\
-            const int dr2= dither_2x2_8[y&1    ][1];\
-            const int dg2= dither_2x2_8[y&1    ][0];\
-            const int db2= dither_2x2_8[(y&1)^1][1];\
-            func(uint16_t,0)\
-                ((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\
-                ((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\
-            }\
-        }\
-        break;\
-    case PIX_FMT_RGB444:\
-    case PIX_FMT_BGR444:\
-        {\
-            const int dr1= dither_4x4_16[y&3    ][0];\
-            const int dg1= dither_4x4_16[y&3    ][1];\
-            const int db1= dither_4x4_16[(y&3)^3][0];\
-            const int dr2= dither_4x4_16[y&3    ][1];\
-            const int dg2= dither_4x4_16[y&3    ][0];\
-            const int db2= dither_4x4_16[(y&3)^3][1];\
-            func(uint16_t,0)\
-                ((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\
-                ((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\
-            }\
-        }\
-        break;\
-    case PIX_FMT_RGB8:\
-    case PIX_FMT_BGR8:\
-        {\
-            const uint8_t * const d64= dither_8x8_73[y&7];\
-            const uint8_t * const d32= dither_8x8_32[y&7];\
-            func(uint8_t,0)\
-                ((uint8_t*)dest)[i2+0]= r[Y1+d32[(i2+0)&7]] + g[Y1+d32[(i2+0)&7]] + b[Y1+d64[(i2+0)&7]];\
-                ((uint8_t*)dest)[i2+1]= r[Y2+d32[(i2+1)&7]] + g[Y2+d32[(i2+1)&7]] + b[Y2+d64[(i2+1)&7]];\
-            }\
-        }\
-        break;\
-    case PIX_FMT_RGB4:\
-    case PIX_FMT_BGR4:\
-        {\
-            const uint8_t * const d64= dither_8x8_73 [y&7];\
-            const uint8_t * const d128=dither_8x8_220[y&7];\
-            func(uint8_t,0)\
-                ((uint8_t*)dest)[i]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]]\
-                                 + ((r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]])<<4);\
-            }\
-        }\
-        break;\
-    case PIX_FMT_RGB4_BYTE:\
-    case PIX_FMT_BGR4_BYTE:\
-        {\
-            const uint8_t * const d64= dither_8x8_73 [y&7];\
-            const uint8_t * const d128=dither_8x8_220[y&7];\
-            func(uint8_t,0)\
-                ((uint8_t*)dest)[i2+0]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]];\
-                ((uint8_t*)dest)[i2+1]= r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]];\
-            }\
-        }\
-        break;\
-    }
-
-static void yuv2packedX_c(SwsContext *c, const int16_t *lumFilter,
-                          const int16_t **lumSrc, int lumFilterSize,
-                          const int16_t *chrFilter, const int16_t **chrUSrc,
-                          const int16_t **chrVSrc, int chrFilterSize,
-                          const int16_t **alpSrc, uint8_t *dest, int dstW, int y)
-{
-    int i;
-    YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGBX_C)
-}
-
 static void yuv2rgbX_c_full(SwsContext *c, const int16_t *lumFilter,
                             const int16_t **lumSrc, int lumFilterSize,
                             const int16_t *chrFilter, const int16_t **chrUSrc,
@@ -1267,42 +1326,6 @@ static void yuv2rgbX_c_full(SwsContext *c, const int16_t *lumFilter,
     }
 }
 
-/**
- * vertical bilinear scale YV12 to RGB
- */
-static void yuv2packed2_c(SwsContext *c, const uint16_t *buf0,
-                          const uint16_t *buf1, const uint16_t *ubuf0,
-                          const uint16_t *ubuf1, const uint16_t *vbuf0,
-                          const uint16_t *vbuf1, const uint16_t *abuf0,
-                          const uint16_t *abuf1, uint8_t *dest, int dstW,
-                          int yalpha, int uvalpha, int y)
-{
-    int  yalpha1=4095- yalpha;
-    int uvalpha1=4095-uvalpha;
-    int i;
-
-    YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB2_C)
-}
-
-/**
- * YV12 to RGB without scaling or interpolating
- */
-static void yuv2packed1_c(SwsContext *c, const uint16_t *buf0,
-                          const uint16_t *ubuf0, const uint16_t *ubuf1,
-                          const uint16_t *vbuf0, const uint16_t *vbuf1,
-                          const uint16_t *abuf0, uint8_t *dest, int dstW,
-                          int uvalpha, enum PixelFormat dstFormat,
-                          int flags, int y)
-{
-    int i;
-
-    if (uvalpha < 2048) {
-        YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1_C)
-    } else {
-        YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1B_C)
-    }
-}
-
 static av_always_inline void fillPlane(uint8_t* plane, int stride,
                                        int width, int height,
                                        int y, uint8_t val)
@@ -2008,10 +2031,93 @@ find_c_packed_planar_out_funcs(SwsContext *c,
             *yuv2packed2 = yuv2bgr48be_2_c;
             *yuv2packedX = yuv2bgr48be_X_c;
             break;
-        default:
-            *yuv2packed1 = yuv2packed1_c;
-            *yuv2packed2 = yuv2packed2_c;
-            *yuv2packedX = yuv2packedX_c;
+        case PIX_FMT_RGB32:
+        case PIX_FMT_BGR32:
+#if CONFIG_SMALL
+            *yuv2packed1 = yuv2rgb32_1_c;
+            *yuv2packed2 = yuv2rgb32_2_c;
+            *yuv2packedX = yuv2rgb32_X_c;
+#else
+#if CONFIG_SWSCALE_ALPHA
+                if (c->alpPixBuf) {
+                    *yuv2packed1 = yuv2rgba32_1_c;
+                    *yuv2packed2 = yuv2rgba32_2_c;
+                    *yuv2packedX = yuv2rgba32_X_c;
+                } else
+#endif /* CONFIG_SWSCALE_ALPHA */
+                {
+                    *yuv2packed1 = yuv2rgbx32_1_c;
+                    *yuv2packed2 = yuv2rgbx32_2_c;
+                    *yuv2packedX = yuv2rgbx32_X_c;
+                }
+#endif /* !CONFIG_SMALL */
+            break;
+        case PIX_FMT_RGB32_1:
+        case PIX_FMT_BGR32_1:
+#if CONFIG_SMALL
+                *yuv2packed1 = yuv2rgb32_1_1_c;
+                *yuv2packed2 = yuv2rgb32_1_2_c;
+                *yuv2packedX = yuv2rgb32_1_X_c;
+#else
+#if CONFIG_SWSCALE_ALPHA
+                if (c->alpPixBuf) {
+                    *yuv2packed1 = yuv2rgba32_1_1_c;
+                    *yuv2packed2 = yuv2rgba32_1_2_c;
+                    *yuv2packedX = yuv2rgba32_1_X_c;
+                } else
+#endif /* CONFIG_SWSCALE_ALPHA */
+                {
+                    *yuv2packed1 = yuv2rgbx32_1_1_c;
+                    *yuv2packed2 = yuv2rgbx32_1_2_c;
+                    *yuv2packedX = yuv2rgbx32_1_X_c;
+                }
+#endif /* !CONFIG_SMALL */
+                break;
+        case PIX_FMT_RGB24:
+            *yuv2packed1 = yuv2rgb24_1_c;
+            *yuv2packed2 = yuv2rgb24_2_c;
+            *yuv2packedX = yuv2rgb24_X_c;
+            break;
+        case PIX_FMT_BGR24:
+            *yuv2packed1 = yuv2bgr24_1_c;
+            *yuv2packed2 = yuv2bgr24_2_c;
+            *yuv2packedX = yuv2bgr24_X_c;
+            break;
+        case PIX_FMT_RGB565:
+        case PIX_FMT_BGR565:
+            *yuv2packed1 = yuv2rgb16_1_c;
+            *yuv2packed2 = yuv2rgb16_2_c;
+            *yuv2packedX = yuv2rgb16_X_c;
+            break;
+        case PIX_FMT_RGB555:
+        case PIX_FMT_BGR555:
+            *yuv2packed1 = yuv2rgb15_1_c;
+            *yuv2packed2 = yuv2rgb15_2_c;
+            *yuv2packedX = yuv2rgb15_X_c;
+            break;
+        case PIX_FMT_RGB444:
+        case PIX_FMT_BGR444:
+            *yuv2packed1 = yuv2rgb12_1_c;
+            *yuv2packed2 = yuv2rgb12_2_c;
+            *yuv2packedX = yuv2rgb12_X_c;
+            break;
+        case PIX_FMT_RGB8:
+        case PIX_FMT_BGR8:
+            *yuv2packed1 = yuv2rgb8_1_c;
+            *yuv2packed2 = yuv2rgb8_2_c;
+            *yuv2packedX = yuv2rgb8_X_c;
+            break;
+        case PIX_FMT_RGB4:
+        case PIX_FMT_BGR4:
+            *yuv2packed1 = yuv2rgb4_1_c;
+            *yuv2packed2 = yuv2rgb4_2_c;
+            *yuv2packedX = yuv2rgb4_X_c;
+            break;
+        case PIX_FMT_RGB4_BYTE:
+        case PIX_FMT_BGR4_BYTE:
+            *yuv2packed1 = yuv2rgb4b_1_c;
+            *yuv2packed2 = yuv2rgb4b_2_c;
+            *yuv2packedX = yuv2rgb4b_X_c;
             break;
         }
     }