openjpegenc: Fix build warning

Compiling C object subprojects/gst-plugins-bad/ext/openjpeg/gstopenjpeg.dll.p/gstopenjpegenc.c.obj
../subprojects/gst-plugins-bad/ext/openjpeg/gstopenjpegenc.c(416):
  warning C4133: '=': incompatible types - from 'GstFlowReturn (__cdecl *)(GstVideoEncoder *,GstVideoCodecFrame *)' to
  'gboolean (__cdecl *)(GstVideoEncoder *,GstVideoCodecFrame *)'

../subprojects/gst-plugins-bad/ext/openjpeg/gstopenjpegenc.c(418):
  warning C4133: '=': incompatible types - from 'GstFlowReturn (__cdecl *)(GstVideoEncoder *,GstVideoCodecFrame *)' to
  'gboolean (__cdecl *)(GstVideoEncoder *,GstVideoCodecFrame *)'

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1378>

diff --git a/subprojects/gst-plugins-bad/ext/openjpeg/gstopenjpegenc.h b/subprojects/gst-plugins-bad/ext/openjpeg/gstopenjpegenc.h
index a2c81bb..469ecd3 100644 (file)
--- a/subprojects/gst-plugins-bad/ext/openjpeg/gstopenjpegenc.h
+++ b/subprojects/gst-plugins-bad/ext/openjpeg/gstopenjpegenc.h
@@ -55,7 +55,7 @@ struct _GstOpenJPEGEnc
   gboolean is_jp2c;
 
   void (*fill_image) (opj_image_t * image, GstVideoFrame *frame);
-  gboolean (*encode_frame) (GstVideoEncoder * encoder, GstVideoCodecFrame *frame);
+  GstFlowReturn (*encode_frame) (GstVideoEncoder * encoder, GstVideoCodecFrame *frame);
 
   opj_cparameters_t params;
   gint num_stripes;