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v4l2transform: Ensure internal buffer pools actication

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This commit is contained in:
Nicolas Dufresne 2014-03-16 19:11:16 +01:00
parent 7a4b076099
commit 91efa79ed9
1 changed files with 17 additions and 7 deletions
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24
sys/v4l2/gstv4l2transform.c
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@ -291,11 +291,22 @@ gst_v4l2_transform_decide_allocation (GstBaseTransform * trans,
GstV4l2Transform *self = GST_V4L2_TRANSFORM (trans);
gboolean ret = FALSE;
if (gst_v4l2_object_decide_allocation (self->v4l2capture, query))
if (gst_v4l2_object_decide_allocation (self->v4l2capture, query)) {
GstBufferPool *pool = GST_BUFFER_POOL (self->v4l2capture->pool);
ret = GST_BASE_TRANSFORM_CLASS (parent_class)->decide_allocation (trans,
query);
if (!gst_buffer_pool_set_active (pool, TRUE))
goto activate_failed;
}
return ret;
activate_failed:
GST_ELEMENT_ERROR (self, RESOURCE, SETTINGS,
("failed to activate bufferpool"), ("failed to activate bufferpool"));
return GST_FLOW_ERROR;
}
/* TODO */
@ -417,18 +428,17 @@ gst_v4l2_transform_prepare_output_buffer (GstBaseTransform * trans,
goto beach;
}
/* Ensure input internal pool is active */
if (!gst_buffer_pool_set_active (pool, TRUE))
goto activate_failed;
GST_DEBUG_OBJECT (self, "Queue input buffer");
ret = gst_v4l2_buffer_pool_process (GST_V4L2_BUFFER_POOL (pool), inbuf);
if (ret != GST_FLOW_OK)
if (G_UNLIKELY (ret != GST_FLOW_OK))
goto beach;
pool = gst_base_transform_get_buffer_pool (trans);
if (!gst_buffer_pool_is_active (pool)) {
if (!gst_buffer_pool_set_active (pool, TRUE))
goto activate_failed;
}
GST_DEBUG_OBJECT (self, "Dequeue output buffer");
ret = gst_buffer_pool_acquire_buffer (pool, outbuf, NULL);
g_object_unref (pool);