X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Flv2_evbuf.c;h=b487e1fea9ee9880d71c80c7340190f002cc58a2;hb=5fcea5833df6f8562126683521f3c2ad6cb9f1e9;hp=3037e8275c55d98211413a1f057e03c61ee5b323;hpb=7219d0d6514e1308d28c14ebd5638264e0789538;p=ardour.git

diff --git a/libs/ardour/lv2_evbuf.c b/libs/ardour/lv2_evbuf.c
index 3037e8275c..b487e1fea9 100644
--- a/libs/ardour/lv2_evbuf.c
+++ b/libs/ardour/lv2_evbuf.c
@@ -115,6 +115,12 @@ lv2_evbuf_get_size(LV2_Evbuf* evbuf)
 	return 0;
 }
 
+uint32_t
+lv2_evbuf_get_capacity(LV2_Evbuf* evbuf)
+{
+	return evbuf->capacity;
+}
+
 void*
 lv2_evbuf_get_buffer(LV2_Evbuf* evbuf)
 {
@@ -160,13 +166,13 @@ lv2_evbuf_next(LV2_Evbuf_Iterator iter)
 	uint32_t   size;
 	switch (evbuf->type) {
 	case LV2_EVBUF_EVENT:
-		size    = ((LV2_Event*)(evbuf->buf.event.data + offset))->size;
+		size    = ((LV2_Event*)((uintptr_t)(evbuf->buf.event.data + offset)))->size;
 		offset += lv2_evbuf_pad_size(sizeof(LV2_Event) + size);
 		break;
 	case LV2_EVBUF_ATOM:
-		size = ((LV2_Atom_Event*)
+		size = ((LV2_Atom_Event*)((uintptr_t)
 		        ((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, &evbuf->buf.atom)
-		         + offset))->body.size;
+		         + offset)))->body.size;
 		offset += lv2_evbuf_pad_size(sizeof(LV2_Atom_Event) + size);
 		break;
 	}
@@ -177,13 +183,13 @@ lv2_evbuf_next(LV2_Evbuf_Iterator iter)
 
 bool
 lv2_evbuf_get(LV2_Evbuf_Iterator iter,
-              uint32_t*          frames,
+              uint32_t*          samples,
               uint32_t*          subframes,
               uint32_t*          type,
               uint32_t*          size,
               uint8_t**          data)
 {
-	*frames = *subframes = *type = *size = 0;
+	*samples = *subframes = *type = *size = 0;
 	*data = NULL;
 
 	if (!lv2_evbuf_is_valid(iter)) {
@@ -197,8 +203,8 @@ lv2_evbuf_get(LV2_Evbuf_Iterator iter,
 	switch (iter.evbuf->type) {
 	case LV2_EVBUF_EVENT:
 		ebuf = &iter.evbuf->buf.event;
-		ev = (LV2_Event*)ebuf->data + iter.offset;
-		*frames    = ev->frames;
+		ev = (LV2_Event*)((uintptr_t)((char*)ebuf->data + iter.offset));
+		*samples    = ev->frames;
 		*subframes = ev->subframes;
 		*type      = ev->type;
 		*size      = ev->size;
@@ -206,14 +212,14 @@ lv2_evbuf_get(LV2_Evbuf_Iterator iter,
 		break;
 	case LV2_EVBUF_ATOM:
 		aseq = (LV2_Atom_Sequence*)&iter.evbuf->buf.atom;
-		aev = (LV2_Atom_Event*)(
+		aev = (LV2_Atom_Event*)((uintptr_t)(
 			(char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, aseq)
-			+ iter.offset);
-		*frames    = aev->time.frames;
+			+ iter.offset));
+		*samples    = aev->time.frames;
 		*subframes = 0;
 		*type      = aev->body.type;
 		*size      = aev->body.size;
-		*data      = LV2_ATOM_BODY(&aev->body);
+		*data      = (uint8_t*)LV2_ATOM_BODY(&aev->body);
 		break;
 	}
 
@@ -222,7 +228,7 @@ lv2_evbuf_get(LV2_Evbuf_Iterator iter,
 
 bool
 lv2_evbuf_write(LV2_Evbuf_Iterator* iter,
-                uint32_t            frames,
+                uint32_t            samples,
                 uint32_t            subframes,
                 uint32_t            type,
                 uint32_t            size,
@@ -239,8 +245,8 @@ lv2_evbuf_write(LV2_Evbuf_Iterator* iter,
 			return false;
 		}
 
-		ev = (LV2_Event*)(ebuf->data + iter->offset);
-		ev->frames    = frames;
+		ev = (LV2_Event*)((uintptr_t)(ebuf->data + iter->offset));
+		ev->frames    = samples;
 		ev->subframes = subframes;
 		ev->type      = type;
 		ev->size      = size;
@@ -258,10 +264,10 @@ lv2_evbuf_write(LV2_Evbuf_Iterator* iter,
 			return false;
 		}
 
-		aev = (LV2_Atom_Event*)(
+		aev = (LV2_Atom_Event*)((uintptr_t)(
 			(char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, aseq)
-			+ iter->offset);
-		aev->time.frames = frames;
+			+ iter->offset));
+		aev->time.frames = samples;
 		aev->body.type   = type;
 		aev->body.size   = size;
 		memcpy(LV2_ATOM_BODY(&aev->body), data, size);
@@ -270,6 +276,8 @@ lv2_evbuf_write(LV2_Evbuf_Iterator* iter,
 		aseq->atom.size += size;
 		iter->offset    += size;
 		break;
+	default:
+		return false;
 	}
 
 	return true;