From 6b77137ab539bd22c8fb001b1c41a9b81f0a5920 Mon Sep 17 00:00:00 2001
From: Reg <69511985+RegularRabbit05@users.noreply.github.com>
Date: Fri, 4 Jul 2025 13:30:55 +0200
Subject: [PATCH] Add sceJpegDecodeMJpegYCbCr and sceJpegCsc to pspjpeg.h

---
 src/mpeg/pspjpeg.h | 29 +++++++++++++++++++++++++++--
 1 file changed, 27 insertions(+), 2 deletions(-)

diff --git a/src/mpeg/pspjpeg.h b/src/mpeg/pspjpeg.h
index 614add4d..cfa23334 100644
--- a/src/mpeg/pspjpeg.h
+++ b/src/mpeg/pspjpeg.h
@@ -55,11 +55,36 @@ int sceJpegDeleteMJpeg(void);
  * @param size - size of the buffer pointed by jpegbuf
  * @param rgba - buffer where the decoded data in RGBA format will be stored.
  *				       It should have a size of (width * height * 4).
- * @param unk - Unknown, pass 0
+ * @param dhtMode - Unknown, pass 0
  *
  * @return (width * 65536) + height on success, < 0 on error 
 */
-int sceJpegDecodeMJpeg(u8 *jpegbuf,	SceSize size, void *rgba, u32 unk);
+int sceJpegDecodeMJpeg(u8 *jpegbuf,	SceSize size, void *rgba, u32 dhtMode);
+
+/**
+ * Decodes a mjpeg frame with YCbCr encoding.
+ *
+ * @param jpegbuf - the buffer with the mjpeg frame
+ * @param size - size of the buffer pointed by jpegbuf
+ * @param rgba - buffer where the decoded data in YCbCr format will be stored.
+ * @param dhtMode - Unknown, pass 0
+ *
+ * @return (width * 65536) + height on success, < 0 on error 
+*/
+int sceJpegDecodeMJpegYCbCr(u8 *jpegbuf, SceSize size, void *yCbCr, u32 dhtMode);
+
+/**
+ * Converts a frame from YCbCr to ABGR
+ *
+ * @param imageAddr - buffer where the decoded data in abgr format will be stored.
+ * @param yCbCrAddr - the buffer with the YCbCr data
+ * @param widthHeight - width and height of the frame (width << 16) | height
+ * @param bufferWidth - number of pixels per row of the buffer
+ * @param colourInfo - chroma subsampling mode
+ *
+ * @return 0 on success, < 0 on error
+*/
+int sceJpegCsc(u8 *imageAddr, u8 *yCbCrAddr, int widthHeight, int bufferWidth, int colourInfo);
 
 #ifdef __cplusplus
 }