libopenjpeg: Add support for XYZ colorspace, found in DCINEMA frames

Signed-off-by: NDiego Biurrun <diego@biurrun.de>

libavcodec/libopenjpegdec.c

@@ -57,12 +57,15 @@
                            AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, \
                            AV_PIX_FMT_YUV444P16
 
+#define XYZ_PIXEL_FORMATS  AV_PIX_FMT_XYZ12
+
 static const enum AVPixelFormat rgb_pix_fmts[]  = {RGB_PIXEL_FORMATS};
 static const enum AVPixelFormat gray_pix_fmts[] = {GRAY_PIXEL_FORMATS};
 static const enum AVPixelFormat yuv_pix_fmts[]  = {YUV_PIXEL_FORMATS};
 static const enum AVPixelFormat any_pix_fmts[]  = {RGB_PIXEL_FORMATS,
                                                  GRAY_PIXEL_FORMATS,
-                                                 YUV_PIXEL_FORMATS};
+                                                 YUV_PIXEL_FORMATS,
+                                                 XYZ_PIXEL_FORMATS};
 
 typedef struct {
     AVClass *class;