videofilter: don't map writable in passthrough

In passthrough mode we shouldn't map the buffer in write mode because the buffer
might not be writable.
This commit is contained in:
Wim Taymans 2012-04-01 17:57:59 +02:00
parent b701534204
commit 6f8347de9f

View file

@ -277,8 +277,14 @@ gst_video_filter_transform_ip (GstBaseTransform * trans, GstBuffer * buf)
fclass = GST_VIDEO_FILTER_GET_CLASS (filter);
if (fclass->transform_frame_ip) {
GstVideoFrame frame;
GstMapFlags flags;
if (!gst_video_frame_map (&frame, &filter->in_info, buf, GST_MAP_READWRITE))
flags = GST_MAP_READ;
if (!gst_base_transform_is_passthrough (trans))
flags |= GST_MAP_WRITE;
if (!gst_video_frame_map (&frame, &filter->in_info, buf, flags))
goto invalid_buffer;
res = fclass->transform_frame_ip (filter, &frame);