Fix crash when img_convert unavailable

1 files changed, 13 insertions, 1 deletions

diff --git a/k9author/k9avidecode.h b/k9author/k9avidecode.h
index 62b7b23..907533d 100644
--- a/k9author/k9avidecode.h
+++ b/k9author/k9avidecode.h
@@ -22,6 +22,9 @@
 #include <libavutil/avutil.h>
 #endif
 
+#ifdef HAVE_SWSCALE
+#include <libswscale/swscale.h>
+#endif
 
 #include <tqimage.h>
 
@@ -76,7 +79,11 @@ typedef void (*av_close_input_file_t)(AVFormatContext *);
 typedef int (*av_seek_frame_t)(AVFormatContext *,int,int64_t timestamp,int flags); 		typedef int64_t (*av_rescale_q_t)(int64_t , AVRational , AVRational )	;
 typedef void (*avcodec_flush_buffers_t)(AVCodecContext *);
 
-
+#ifdef HAVE_SWSCALE
+typedef void (*sws_freeContext_t)(struct SwsContext *swsContext);
+typedef struct SwsContext* (*sws_getContext_t)(int srcW, int srcH, int srcFormat, int dstW, int dstH, int dstFormat, int flags, SwsFilter *srcFilter, SwsFilter *dstFilter, double *param);
+typedef int (*sws_scale_t)(struct SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,int srcSliceH, uint8_t* dst[], int dstStride[]);
+#endif
 
 
 class k9AviDecode : public TQObject
@@ -138,6 +145,11 @@ private:
     av_rescale_q_t av_rescale_q;
     av_gettime_t av_gettime;
     avcodec_flush_buffers_t avcodec_flush_buffers;
+#   ifdef HAVE_SWSCALE
+    sws_freeContext_t sws_freeContext;
+    sws_getContext_t sws_getContext;
+    sws_scale_t sws_scale;
+#   endif
 
 
     AVFormatContext *m_FormatCtx;