NDI in node looks almost done

2026-07-01 11:55:04 +03:00
parent 51a1b1b2c8
commit 19ea14a61c
3 changed files with 192 additions and 133 deletions
@@ -90,4 +90,28 @@ inline void fill_frame(uint8_t* buf, int width, int height, uint32_t stride)
    }
 }

+inline void UYVYtoV210(uint8_t* src_buf, uint8_t* dst_buf, int width, int height, uint32_t src_stride, uint32_t dst_stride)
+{
+    const uint8_t* src = src_buf;
+    uint8_t* dst = dst_buf;
+    const int blocks = width / 6;
+
+    for (int y = 0; y < height; y++) {
+        for (int b = 0; b < blocks; b++) {
+            const uint8_t* mp = src + b * 12;  // 3 macropixels = 12 bytes
+            // mp[0]=U0, mp[1]=Y0, mp[2]=V0, mp[3]=Y1
+            // mp[4]=U1, mp[5]=Y2, mp[6]=V1, mp[7]=Y3
+            // mp[8]=U2, mp[9]=Y4, mp[10]=V2, mp[11]=Y5
+
+            dmf::v210::pack_block(dst + b * 16,
+                {0, (uint16_t)(mp[0]<<2), (uint16_t)(mp[2]<<2)}, (uint16_t)(mp[1]<<2), (uint16_t)(mp[3]<<2),
+                {0, (uint16_t)(mp[4]<<2), (uint16_t)(mp[6]<<2)}, (uint16_t)(mp[5]<<2), (uint16_t)(mp[7]<<2),
+                {0, (uint16_t)(mp[8]<<2), (uint16_t)(mp[10]<<2)}, (uint16_t)(mp[9]<<2), (uint16_t)(mp[11]<<2)
+            );
+        }
+        src += src_stride;
+        dst += dst_stride;
+    }
+}
+
 } // namespace dmf::v210