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videobuf:modify videobuf which type is V4L2_MEMORY_OVERLAY process

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ddl
2010-12-01 19:08:23 +08:00
parent c276312044
commit b98f9cf960
1 changed files with 2 additions and 4 deletions
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6
drivers/media/video/videobuf-core.c
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@@ -259,8 +259,7 @@ static void videobuf_status(struct videobuf_queue *q, struct v4l2_buffer *b,
b->length = vb->bsize;
break;
case V4L2_MEMORY_OVERLAY:
//b->m.offset = vb->boff;
b->m.offset = vb->boff - vb->bsize* vb->i; /* ddl@rock-chips.com : nzy modify V4L2_MEMORY_OVERLAY */
b->m.offset = vb->boff;
b->length = vb->bsize;
break;
}
@@ -548,8 +547,7 @@ int videobuf_qbuf(struct videobuf_queue *q,
buf->baddr = b->m.userptr;
break;
case V4L2_MEMORY_OVERLAY:
//buf->boff = b->m.offset;
buf->boff = b->m.offset + buf->bsize* buf->i; /* ddl@rock-chips.com : nzy modify V4L2_MEMORY_OVERLAY */
buf->boff = b->m.offset;
break;
default:
dprintk(1, "qbuf: wrong memory type\n");