v4l2bufferpool: Drop truncated frames
Drop truncated frames regardless if they have the ERROR flag or not.
Truncated frame causes video frame map failure in many elements
including cluttersink, glupload etc.
diff --git a/sys/v4l2/gstv4l2bufferpool.c b/sys/v4l2/gstv4l2bufferpool.c
index 86d5c8b..bf0c76f 100644
--- a/sys/v4l2/gstv4l2bufferpool.c
+++ b/sys/v4l2/gstv4l2bufferpool.c
@@ -1719,6 +1719,10 @@
goto eos;
}
+ if (GST_VIDEO_INFO_FORMAT (&pool->caps_info) !=
+ GST_VIDEO_FORMAT_ENCODED && size < pool->size)
+ goto buffer_truncated;
+
num_queued = g_atomic_int_get (&pool->num_queued);
GST_TRACE_OBJECT (pool, "Only %i buffer left in the capture queue.",
num_queued);
@@ -1948,6 +1952,14 @@
*buf = NULL;
return GST_V4L2_FLOW_CORRUPTED_BUFFER;
}
+buffer_truncated:
+ {
+ GST_WARNING_OBJECT (pool,
+ "Dropping truncated buffer, this is likely a driver bug.");
+ gst_buffer_unref (*buf);
+ *buf = NULL;
+ return GST_V4L2_FLOW_CORRUPTED_BUFFER;
+ }
eos:
{
GST_DEBUG_OBJECT (pool, "end of stream reached");