initial commit, 4.5 stable

thirdparty/minimp3/patches/0001-msvc-arm.patch

@@ -0,0 +1,39 @@
+diff --git a/thirdparty/minimp3/minimp3.h b/thirdparty/minimp3/minimp3.h
+index 3220ae1a85..49708b9846 100644
+--- a/thirdparty/minimp3/minimp3.h
++++ b/thirdparty/minimp3/minimp3.h
+@@ -1566,7 +1566,16 @@ static void mp3d_synth(float *xl, mp3d_sample_t *dstl, int nch, float *lins)
+ 
+ #else /* MINIMP3_FLOAT_OUTPUT */
+ 
++#if defined(_MSC_VER) && (defined(_M_ARM64) || defined(_M_ARM64EC) || defined(_M_ARM))
++            static f4 g_scale;
++            g_scale = vsetq_lane_f32(1.0f/32768.0f, g_scale, 0);
++            g_scale = vsetq_lane_f32(1.0f/32768.0f, g_scale, 1);
++            g_scale = vsetq_lane_f32(1.0f/32768.0f, g_scale, 2);
++            g_scale = vsetq_lane_f32(1.0f/32768.0f, g_scale, 3);
++#else
+             static const f4 g_scale = { 1.0f/32768.0f, 1.0f/32768.0f, 1.0f/32768.0f, 1.0f/32768.0f };
++#endif
++
+             a = VMUL(a, g_scale);
+             b = VMUL(b, g_scale);
+ #if HAVE_SSE
+@@ -1813,7 +1822,17 @@ void mp3dec_f32_to_s16(const float *in, int16_t *out, int num_samples)
+     int aligned_count = num_samples & ~7;
+     for(; i < aligned_count; i += 8)
+     {
++
++#if defined(_MSC_VER) && (defined(_M_ARM64) || defined(_M_ARM64EC) || defined(_M_ARM))
++        static f4 g_scale;
++        g_scale = vsetq_lane_f32(32768.0f, g_scale, 0);
++        g_scale = vsetq_lane_f32(32768.0f, g_scale, 1);
++        g_scale = vsetq_lane_f32(32768.0f, g_scale, 2);
++        g_scale = vsetq_lane_f32(32768.0f, g_scale, 3);
++#else
+         static const f4 g_scale = { 32768.0f, 32768.0f, 32768.0f, 32768.0f };
++#endif
++
+         f4 a = VMUL(VLD(&in[i  ]), g_scale);
+         f4 b = VMUL(VLD(&in[i+4]), g_scale);
+ #if HAVE_SSE