update capsdc for 18.0.0

Author: HookedBehemoth

nx/include/switch/services/capsdc.h

@@ -33,5 +33,31 @@ Result capsdcDecodeJpeg(u32 width, u32 height, const CapsScreenShotDecodeOption
 
 /**
  * @brief Shrinks a jpeg's dimensions by 2.
+ * @note Tries to compress with jpeg quality in this order: 98, 95, 90, 80, 70, 60, 50, 40, 30, 20, 10, 0.
+ * @note Only available on [17.0.0+].
+ * @param[in] width Input image width.
+ * @param[in] height Input image width.
+ * @param[in] opts \ref CapsScreenShotDecodeOption.
+ * @param[in] jpeg Jpeg image input buffer.
+ * @param[in] jpeg_size Input image buffer size.
+ * @param[out] out_jpeg Jpeg image output buffer
+ * @param[in] out_jpeg_size Output image buffer size.
+ * @param[out] out_result_size size of the resulting JPEG.
  */
 Result capsdcShrinkJpeg(u32 width, u32 height, const CapsScreenShotDecodeOption *opts, const void* jpeg, size_t jpeg_size, void* out_jpeg, size_t out_jpeg_size, u64 *out_result_size);
+
+/**
+ * @brief Shrinks a jpeg.
+ * @note Fails if the scaled size is larger than the original or the output buffer isn't large enough.
+ * @note Only available on [19.0.0+].
+ * @param[in] scaled_width Wanted image width.
+ * @param[in] scaled_height Wanted image width.
+ * @param[in] jpeg_quality has to be in range 0-100.
+ * @param[in] opts \ref CapsScreenShotDecodeOption.
+ * @param[in] jpeg Jpeg image input buffer.
+ * @param[in] jpeg_size Input image buffer size.
+ * @param[out] out_jpeg Jpeg image output buffer
+ * @param[in] out_jpeg_size Output image buffer size.
+ * @param[out] out_result_size size of the resulting jpeg.
+ */
+Result capsdcShrinkJpegEx(u32 scaled_width, u32 scaled_height, u32 jpeg_quality, const CapsScreenShotDecodeOption *opts, const void* jpeg, size_t jpeg_size, void* out_jpeg, size_t out_jpeg_size, u64 *out_result_size);

nx/source/services/capsdc.c

@@ -41,6 +41,9 @@ Result capsdcDecodeJpeg(u32 width, u32 height, const CapsScreenShotDecodeOption
 }
 
 Result capsdcShrinkJpeg(u32 width, u32 height, const CapsScreenShotDecodeOption *opts, const void* jpeg, size_t jpeg_size, void* out_jpeg, size_t out_jpeg_size, u64 *out_result_size) {
+    if (hosversionBefore(17,0,0))
+        return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+
     const struct {
         u32 width;
         u32 height;
@@ -57,3 +60,26 @@ Result capsdcShrinkJpeg(u32 width, u32 height, const CapsScreenShotDecodeOption
         }
     );
 }
+
+Result capsdcShrinkJpegEx(u32 scaled_width, u32 scaled_height, u32 jpeg_quality, const CapsScreenShotDecodeOption *opts, const void* jpeg, size_t jpeg_size, void* out_jpeg, size_t out_jpeg_size, u64 *out_result_size) {
+    if (hosversionBefore(18,0,0))
+        return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+
+    const struct {
+        u32 scaled_width;
+        u32 scaled_height;
+        u32 jpeg_quality;
+        u8 pad[4];
+        CapsScreenShotDecodeOption opts;
+    } in = { scaled_width, scaled_height, jpeg_quality, {}, *opts };
+    return serviceDispatchInOut(&g_capsdcSrv, 4002, in, *out_result_size,
+        .buffer_attrs = {
+            SfBufferAttr_In | SfBufferAttr_HipcMapAlias,
+            SfBufferAttr_Out | SfBufferAttr_HipcMapAlias | SfBufferAttr_HipcMapTransferAllowsNonSecure,
+        },
+        .buffers = {
+            { jpeg, jpeg_size },
+            { out_jpeg, out_jpeg_size },
+        }
+    );
+}