Add swscale compatibility to old version

src/videofilters/h264dec.c

@@ -122,8 +122,13 @@ static mblk_t *get_as_yuvmsg(MSFilter *f, DecData *s, AVFrame *orig){
 			ctx->width,ctx->height,PIX_FMT_YUV420P,SWS_FAST_BILINEAR,
                 	NULL, NULL, NULL);
 	}
+#if LIBSWSCALE_VERSION_INT >= AV_VERSION_INT(0,9,0)	
 	if (sws_scale(s->sws_ctx,(const uint8_t * const *)orig->data,orig->linesize, 0,
 					ctx->height, s->outbuf.planes, s->outbuf.strides)<0){
+#else
+	if (sws_scale(s->sws_ctx,(uint8_t **)orig->data,orig->linesize, 0,
+					ctx->height, s->outbuf.planes, s->outbuf.strides)<0){
+#endif
 		ms_error("%s: error in sws_scale().",f->desc->name);
 	}
 	return dupmsg(s->yuv_msg);

src/videofilters/jpegwriter.c

@@ -113,7 +113,11 @@ static void jpg_process(MSFilter *f){
 				goto end;
 			}
 			jpegm=ms_yuv_buf_alloc (&yuvjpeg,avctx->width, avctx->height);
+#if LIBSWSCALE_VERSION_INT >= AV_VERSION_INT(0,9,0)	
 			if (sws_scale(sws_ctx,(const uint8_t *const*)yuvbuf.planes,yuvbuf.strides,0,avctx->height,yuvjpeg.planes,yuvjpeg.strides)<0){
+#else
+			if (sws_scale(sws_ctx,(uint8_t **)yuvbuf.planes,yuvbuf.strides,0,avctx->height,yuvjpeg.planes,yuvjpeg.strides)<0){
+#endif
 				ms_error("sws_scale() failed.");
 				sws_freeContext(sws_ctx);
 				cleanup(s,avctx);

src/videofilters/nowebcam.c

@@ -95,7 +95,11 @@ static mblk_t *jpeg2yuv(uint8_t *jpgbuf, int bufsize, MSVideoSize *reqsize){
 		return NULL;
 	}
 
+#if LIBSWSCALE_VERSION_INT >= AV_VERSION_INT(0,9,0)	
 	if (sws_scale(sws_ctx,(const uint8_t* const *)orig.data,orig.linesize,0,av_context.height,dest.planes,dest.strides)<0){
+#else
+	if (sws_scale(sws_ctx,(uint8_t**)orig.data,orig.linesize,0,av_context.height,dest.planes,dest.strides)<0){
+#endif
 		ms_error("jpeg2yuv: ms_sws_scale() failed.");
 		sws_freeContext(sws_ctx);
 		avcodec_close(&av_context);

src/videofilters/videodec.c

@@ -621,8 +621,13 @@ static mblk_t *get_as_yuvmsg(MSFilter *f, DecState *s, AVFrame *orig){
 		ms_error("%s: missing rescaling context.",f->desc->name);
 		return NULL;
 	}
+#if LIBSWSCALE_VERSION_INT >= AV_VERSION_INT(0,9,0)	
 	if (sws_scale(s->sws_ctx,(const uint8_t* const*)orig->data,orig->linesize, 0,
 					ctx->height, s->outbuf.planes, s->outbuf.strides)<0){
+#else
+	if (sws_scale(s->sws_ctx,(uint8_t**)orig->data,orig->linesize, 0,
+					ctx->height, s->outbuf.planes, s->outbuf.strides)<0){
+#endif
 		ms_error("%s: error in ms_sws_scale().",f->desc->name);
 	}
 	return dupmsg(s->yuv_msg);

src/voip/msvideo.c

@@ -427,7 +427,11 @@ static MSScalerContext *ff_create_swscale_context(int src_w, int src_h, MSPixFmt
 
 static int ff_sws_scale(MSScalerContext *ctx, uint8_t *src[], int src_strides[], uint8_t *dst[], int dst_strides[]){
 	MSFFScalerContext *fctx=(MSFFScalerContext*)ctx;
+#if LIBSWSCALE_VERSION_INT >= AV_VERSION_INT(0,9,0)	
 	int err=sws_scale(fctx->ctx,(const uint8_t * const*)src,src_strides,0,fctx->src_h,dst,dst_strides);
+#else
+	int err=sws_scale(fctx->ctx,(uint8_t **)src,src_strides,0,fctx->src_h,dst,dst_strides);
+#endif
 	if (err<0) return -1;
 	return 0;
 }