gstreamer/tests/check/libs/transform1.c

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/* GStreamer
*
* some unit tests for GstBaseTransform
*
* Copyright (C) 2008 Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <gst/check/gstcheck.h>
#include <gst/base/gstbasetransform.h>
#include "test_transform.c"
static gboolean buffer_alloc_pt1_called;
static GstFlowReturn
buffer_alloc_pt1 (GstPad * pad, guint64 offset, guint size, GstCaps * caps,
GstBuffer ** buf)
{
GST_DEBUG_OBJECT (pad, "buffer_alloc called %" G_GUINT64_FORMAT ", %u, %"
GST_PTR_FORMAT, offset, size, caps);
buffer_alloc_pt1_called = TRUE;
*buf = gst_buffer_new_and_alloc (size);
gst_buffer_set_caps (*buf, caps);
return GST_FLOW_OK;
}
static gboolean set_caps_pt1_called;
static gboolean
set_caps_pt1 (GstBaseTransform * trans, GstCaps * incaps, GstCaps * outcaps)
{
GST_DEBUG_OBJECT (trans, "set_caps called");
set_caps_pt1_called = TRUE;
return TRUE;
}
/* basic passthrough, we don't have any transform functions so we can only
* perform passthrough. We also don't have caps, which is fine */
GST_START_TEST (basetransform_chain_pt1)
{
TestTransData *trans;
GstBuffer *buffer;
GstFlowReturn res;
GstCaps *caps;
klass_set_caps = set_caps_pt1;
trans = gst_test_trans_new ();
trans->buffer_alloc = buffer_alloc_pt1;
GST_DEBUG_OBJECT (trans, "buffer without caps, size 20");
buffer = gst_buffer_new_and_alloc (20);
buffer_alloc_pt1_called = FALSE;
set_caps_pt1_called = FALSE;
res = gst_test_trans_push (trans, buffer);
fail_unless (res == GST_FLOW_OK);
/* FIXME, passthough without pad-alloc, do pad-alloc on the srcpad */
fail_unless (buffer_alloc_pt1_called == TRUE);
fail_unless (set_caps_pt1_called == FALSE);
buffer = gst_test_trans_pop (trans);
fail_unless (buffer != NULL);
fail_unless (gst_buffer_get_size (buffer) == 20);
/* caps should not have been set */
fail_unless (GST_BUFFER_CAPS (buffer) == NULL);
gst_buffer_unref (buffer);
GST_DEBUG_OBJECT (trans, "buffer without caps, size 10");
buffer = gst_buffer_new_and_alloc (10);
buffer_alloc_pt1_called = FALSE;
set_caps_pt1_called = FALSE;
res = gst_test_trans_push (trans, buffer);
fail_unless (res == GST_FLOW_OK);
/* FIXME, passthough without pad-alloc, do pad-alloc on the srcpad */
fail_unless (buffer_alloc_pt1_called == TRUE);
fail_unless (set_caps_pt1_called == FALSE);
buffer = gst_test_trans_pop (trans);
fail_unless (buffer != NULL);
fail_unless (gst_buffer_get_size (buffer) == 10);
/* caps should not have been set */
fail_unless (GST_BUFFER_CAPS (buffer) == NULL);
gst_buffer_unref (buffer);
/* proxy buffer-alloc without caps */
GST_DEBUG_OBJECT (trans, "alloc without caps, size 20");
buffer_alloc_pt1_called = FALSE;
set_caps_pt1_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 20, NULL, &buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (buffer_alloc_pt1_called == TRUE);
fail_unless (set_caps_pt1_called == FALSE);
gst_buffer_unref (buffer);
/* with caps buffer */
GST_DEBUG_OBJECT (trans, "alloc with caps, size 10");
caps = gst_caps_new_simple ("foo/x-bar", NULL);
buffer_alloc_pt1_called = FALSE;
set_caps_pt1_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 10, caps, &buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (buffer_alloc_pt1_called == TRUE);
fail_unless (set_caps_pt1_called == FALSE);
gst_buffer_unref (buffer);
/* once more */
buffer_alloc_pt1_called = FALSE;
set_caps_pt1_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 10, caps, &buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (buffer_alloc_pt1_called == TRUE);
fail_unless (set_caps_pt1_called == FALSE);
gst_buffer_unref (buffer);
gst_caps_unref (caps);
gst_test_trans_free (trans);
}
GST_END_TEST;
static gboolean set_caps_pt2_called;
static gboolean
set_caps_pt2 (GstBaseTransform * trans, GstCaps * incaps, GstCaps * outcaps)
{
GST_DEBUG_OBJECT (trans, "set_caps called");
set_caps_pt2_called = TRUE;
fail_unless (gst_caps_is_equal (incaps, outcaps));
return TRUE;
}
/* basic passthrough, we don't have any transform functions so we can only
* perform passthrough with same caps */
GST_START_TEST (basetransform_chain_pt2)
{
TestTransData *trans;
GstBuffer *buffer;
GstCaps *caps;
GstFlowReturn res;
klass_set_caps = set_caps_pt2;
trans = gst_test_trans_new ();
trans->buffer_alloc = buffer_alloc_pt1;
/* first buffer */
caps = gst_caps_new_simple ("foo/x-bar", NULL);
GST_DEBUG_OBJECT (trans, "buffer with caps, size 20");
buffer = gst_buffer_new_and_alloc (20);
gst_buffer_set_caps (buffer, caps);
buffer_alloc_pt1_called = FALSE;
set_caps_pt2_called = FALSE;
res = gst_test_trans_push (trans, buffer);
fail_unless (res == GST_FLOW_OK);
/* FIXME, passthough without pad-alloc, do pad-alloc on the srcpad */
fail_unless (buffer_alloc_pt1_called == TRUE);
fail_unless (set_caps_pt2_called == TRUE);
buffer = gst_test_trans_pop (trans);
fail_unless (buffer != NULL);
fail_unless (gst_buffer_get_size (buffer) == 20);
fail_unless (gst_caps_is_equal (GST_BUFFER_CAPS (buffer), caps));
gst_buffer_unref (buffer);
/* with caps buffer */
GST_DEBUG_OBJECT (trans, "alloc with caps, size 20");
buffer_alloc_pt1_called = FALSE;
set_caps_pt2_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 20, caps, &buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (buffer_alloc_pt1_called == TRUE);
fail_unless (set_caps_pt2_called == FALSE);
gst_buffer_unref (buffer);
gst_caps_unref (caps);
/* second buffer, renegotiates, keeps extra type arg in caps */
caps = gst_caps_new_simple ("foo/x-bar", "type", G_TYPE_INT, 1, NULL);
GST_DEBUG_OBJECT (trans, "buffer with caps, size 10");
buffer = gst_buffer_new_and_alloc (10);
gst_buffer_set_caps (buffer, caps);
buffer_alloc_pt1_called = FALSE;
set_caps_pt2_called = FALSE;
res = gst_test_trans_push (trans, buffer);
fail_unless (res == GST_FLOW_OK);
/* FIXME, passthough without pad-alloc, do pad-alloc on the srcpad */
fail_unless (buffer_alloc_pt1_called == TRUE);
fail_unless (set_caps_pt2_called == TRUE);
buffer = gst_test_trans_pop (trans);
fail_unless (buffer != NULL);
fail_unless (gst_buffer_get_size (buffer) == 10);
fail_unless (gst_caps_is_equal (GST_BUFFER_CAPS (buffer), caps));
gst_buffer_unref (buffer);
/* with caps buffer */
GST_DEBUG_OBJECT (trans, "alloc with caps, size 20");
buffer_alloc_pt1_called = FALSE;
set_caps_pt2_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 20, caps, &buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (buffer_alloc_pt1_called == TRUE);
fail_unless (set_caps_pt2_called == FALSE);
gst_buffer_unref (buffer);
gst_caps_unref (caps);
/* with caps that is a superset */
caps = gst_caps_new_simple ("foo/x-bar", NULL);
GST_DEBUG_OBJECT (trans, "alloc with superset caps, size 20");
buffer_alloc_pt1_called = FALSE;
set_caps_pt2_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 20, caps, &buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (buffer_alloc_pt1_called == TRUE);
fail_unless (set_caps_pt2_called == FALSE);
gst_buffer_unref (buffer);
gst_caps_unref (caps);
gst_test_trans_free (trans);
}
GST_END_TEST;
static gboolean transform_ip_1_called;
static gboolean transform_ip_1_writable;
static GstFlowReturn
transform_ip_1 (GstBaseTransform * trans, GstBuffer * buf)
{
GST_DEBUG_OBJECT (trans, "transform called");
transform_ip_1_called = TRUE;
transform_ip_1_writable = gst_buffer_is_writable (buf);
GST_DEBUG_OBJECT (trans, "writable: %d", transform_ip_1_writable);
return GST_FLOW_OK;
}
/* basic in-place, check if the _ip function is called, buffer should
* be writable. no setcaps is set */
GST_START_TEST (basetransform_chain_ip1)
{
TestTransData *trans;
GstBuffer *buffer;
GstFlowReturn res;
klass_transform_ip = transform_ip_1;
trans = gst_test_trans_new ();
trans->buffer_alloc = buffer_alloc_pt1;
GST_DEBUG_OBJECT (trans, "buffer without caps, size 20");
buffer = gst_buffer_new_and_alloc (20);
transform_ip_1_called = FALSE;
transform_ip_1_writable = TRUE;
buffer_alloc_pt1_called = FALSE;
res = gst_test_trans_push (trans, buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (transform_ip_1_called == TRUE);
fail_unless (transform_ip_1_writable == TRUE);
/* FIXME, in-place without pad-alloc, do pad-alloc on the srcpad */
fail_unless (buffer_alloc_pt1_called == TRUE);
buffer = gst_test_trans_pop (trans);
fail_unless (buffer != NULL);
fail_unless (gst_buffer_get_size (buffer) == 20);
gst_buffer_unref (buffer);
GST_DEBUG_OBJECT (trans, "buffer without caps extra ref, size 20");
buffer = gst_buffer_new_and_alloc (20);
/* take additional ref to make it non-writable */
gst_buffer_ref (buffer);
fail_unless (GST_MINI_OBJECT_REFCOUNT_VALUE (buffer) == 2);
transform_ip_1_called = FALSE;
transform_ip_1_writable = FALSE;
buffer_alloc_pt1_called = FALSE;
res = gst_test_trans_push (trans, buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (transform_ip_1_called == TRUE);
/* copy should have been taken with pad-alloc */
fail_unless (transform_ip_1_writable == TRUE);
fail_unless (buffer_alloc_pt1_called == TRUE);
/* after push, get rid of the final ref we had */
gst_buffer_unref (buffer);
buffer = gst_test_trans_pop (trans);
fail_unless (buffer != NULL);
fail_unless (gst_buffer_get_size (buffer) == 20);
/* output buffer has refcount 1 */
fail_unless (GST_MINI_OBJECT_REFCOUNT_VALUE (buffer) == 1);
gst_buffer_unref (buffer);
/* with caps buffer */
GST_DEBUG_OBJECT (trans, "alloc without caps, size 20");
buffer_alloc_pt1_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 20, NULL, &buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (buffer_alloc_pt1_called == TRUE);
gst_buffer_unref (buffer);
gst_test_trans_free (trans);
}
GST_END_TEST;
static gboolean set_caps_1_called;
static gboolean
set_caps_1 (GstBaseTransform * trans, GstCaps * incaps, GstCaps * outcaps)
{
GstCaps *caps;
GST_DEBUG_OBJECT (trans, "set_caps called");
set_caps_1_called = TRUE;
caps = gst_caps_new_simple ("foo/x-bar", NULL);
fail_unless (gst_caps_is_equal (incaps, caps));
fail_unless (gst_caps_is_equal (outcaps, caps));
gst_caps_unref (caps);
return TRUE;
}
/* basic in-place, check if the _ip function is called, buffer should be
* writable. we also set a setcaps function and see if it's called. */
GST_START_TEST (basetransform_chain_ip2)
{
TestTransData *trans;
GstBuffer *buffer;
GstFlowReturn res;
GstCaps *caps;
klass_transform_ip = transform_ip_1;
klass_set_caps = set_caps_1;
trans = gst_test_trans_new ();
trans->buffer_alloc = buffer_alloc_pt1;
/* with caps buffer */
GST_DEBUG_OBJECT (trans, "alloc without caps, size 20");
buffer_alloc_pt1_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 20, NULL, &buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (buffer_alloc_pt1_called == TRUE);
fail_unless (gst_buffer_get_size (buffer) == 20);
fail_unless (GST_BUFFER_CAPS (buffer) == NULL);
gst_buffer_unref (buffer);
caps = gst_caps_new_simple ("foo/x-bar", NULL);
/* with caps buffer */
GST_DEBUG_OBJECT (trans, "alloc with caps, size 20");
buffer_alloc_pt1_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 20, caps, &buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (buffer_alloc_pt1_called == TRUE);
fail_unless (gst_buffer_get_size (buffer) == 20);
fail_unless (GST_BUFFER_CAPS (buffer) == caps);
gst_buffer_unref (buffer);
/* first try to push a buffer without caps, this should fail */
buffer = gst_buffer_new_and_alloc (20);
GST_DEBUG_OBJECT (trans, "buffer without caps, size 20");
transform_ip_1_called = FALSE;
transform_ip_1_writable = FALSE;
buffer_alloc_pt1_called = FALSE;
set_caps_1_called = FALSE;
res = gst_test_trans_push (trans, buffer);
fail_unless (res == GST_FLOW_NOT_NEGOTIATED);
fail_unless (transform_ip_1_called == FALSE);
fail_unless (transform_ip_1_writable == FALSE);
fail_unless (set_caps_1_called == FALSE);
fail_unless (buffer_alloc_pt1_called == FALSE);
/* try to push a buffer with caps */
GST_DEBUG_OBJECT (trans, "buffer with caps, size 20");
buffer = gst_buffer_new_and_alloc (20);
gst_buffer_set_caps (buffer, caps);
transform_ip_1_called = FALSE;
transform_ip_1_writable = FALSE;
set_caps_1_called = FALSE;
buffer_alloc_pt1_called = FALSE;
res = gst_test_trans_push (trans, buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (transform_ip_1_called == TRUE);
fail_unless (transform_ip_1_writable == TRUE);
fail_unless (set_caps_1_called == TRUE);
/* FIXME, in-place without pad-alloc, do pad-alloc on the srcpad */
fail_unless (buffer_alloc_pt1_called == TRUE);
buffer = gst_test_trans_pop (trans);
fail_unless (buffer != NULL);
fail_unless (gst_buffer_get_size (buffer) == 20);
fail_unless (gst_caps_is_equal (GST_BUFFER_CAPS (buffer), caps));
gst_buffer_unref (buffer);
/* with caps buffer */
GST_DEBUG_OBJECT (trans, "alloc with caps, size 20");
buffer_alloc_pt1_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 20, caps, &buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (buffer_alloc_pt1_called == TRUE);
gst_buffer_unref (buffer);
GST_DEBUG_OBJECT (trans, "buffer with caps extra ref, size 20");
buffer = gst_buffer_new_and_alloc (20);
gst_buffer_set_caps (buffer, caps);
/* take additional ref to make it non-writable */
gst_buffer_ref (buffer);
fail_unless (GST_MINI_OBJECT_REFCOUNT_VALUE (buffer) == 2);
transform_ip_1_called = FALSE;
transform_ip_1_writable = FALSE;
buffer_alloc_pt1_called = FALSE;
res = gst_test_trans_push (trans, buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (transform_ip_1_called == TRUE);
fail_unless (transform_ip_1_writable == TRUE);
fail_unless (buffer_alloc_pt1_called == TRUE);
/* after push, get rid of the final ref we had */
gst_buffer_unref (buffer);
buffer = gst_test_trans_pop (trans);
fail_unless (buffer != NULL);
fail_unless (gst_buffer_get_size (buffer) == 20);
fail_unless (gst_caps_is_equal (GST_BUFFER_CAPS (buffer), caps));
/* output buffer has refcount 1 */
fail_unless (GST_MINI_OBJECT_REFCOUNT_VALUE (buffer) == 1);
gst_buffer_unref (buffer);
/* with caps buffer */
GST_DEBUG_OBJECT (trans, "alloc with caps, size 20");
buffer_alloc_pt1_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 20, caps, &buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (buffer_alloc_pt1_called == TRUE);
gst_buffer_unref (buffer);
gst_caps_unref (caps);
gst_test_trans_free (trans);
}
GST_END_TEST;
static GstStaticPadTemplate sink_template_ct1 = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("baz/x-foo")
);
static gboolean set_caps_ct1_called;
static gboolean
set_caps_ct1 (GstBaseTransform * trans, GstCaps * incaps, GstCaps * outcaps)
{
GstCaps *caps1, *caps2;
GST_DEBUG_OBJECT (trans, "set_caps called");
caps1 = gst_caps_new_simple ("baz/x-foo", NULL);
caps2 = gst_caps_new_simple ("foo/x-bar", NULL);
fail_unless (gst_caps_is_equal (incaps, caps1));
fail_unless (gst_caps_is_equal (outcaps, caps2));
set_caps_ct1_called = TRUE;
gst_caps_unref (caps1);
gst_caps_unref (caps2);
return TRUE;
}
static gboolean transform_ct1_called;
static gboolean transform_ct1_writable;
static GstFlowReturn
transform_ct1 (GstBaseTransform * trans, GstBuffer * in, GstBuffer * out)
{
transform_ct1_called = TRUE;
transform_ct1_writable = gst_buffer_is_writable (out);
GST_DEBUG_OBJECT (trans, "writable: %d", transform_ct1_writable);
return GST_FLOW_OK;
}
static GstCaps *
transform_caps_ct1 (GstBaseTransform * trans, GstPadDirection dir,
GstCaps * caps)
{
GstCaps *res;
if (dir == GST_PAD_SINK) {
res = gst_caps_new_simple ("foo/x-bar", NULL);
} else {
res = gst_caps_new_simple ("baz/x-foo", NULL);
}
return res;
}
static gboolean
transform_size_ct1 (GstBaseTransform * trans, GstPadDirection direction,
GstCaps * caps, gsize size, GstCaps * othercaps, gsize * othersize)
{
if (direction == GST_PAD_SINK) {
*othersize = size * 2;
} else {
*othersize = size / 2;
}
return TRUE;
}
gboolean buffer_alloc_ct1_called;
static GstFlowReturn
buffer_alloc_ct1 (GstPad * pad, guint64 offset, guint size, GstCaps * caps,
GstBuffer ** buf)
{
GstCaps *outcaps;
GST_DEBUG_OBJECT (pad, "buffer_alloc called %" G_GUINT64_FORMAT ", %u, %"
GST_PTR_FORMAT, offset, size, caps);
buffer_alloc_ct1_called = TRUE;
outcaps = gst_caps_new_simple ("foo/x-bar", NULL);
fail_unless (gst_caps_is_equal (outcaps, caps));
gst_caps_unref (outcaps);
*buf = gst_buffer_new_and_alloc (size);
gst_buffer_set_caps (*buf, caps);
return GST_FLOW_OK;
}
/* basic copy-transform, check if the transform function is called,
* buffer should be writable. we also set a setcaps function and
* see if it's called. */
GST_START_TEST (basetransform_chain_ct1)
{
TestTransData *trans;
GstBuffer *buffer;
GstFlowReturn res;
GstCaps *incaps, *outcaps;
sink_template = &sink_template_ct1;
klass_transform = transform_ct1;
klass_set_caps = set_caps_ct1;
klass_transform_caps = transform_caps_ct1;
klass_transform_size = transform_size_ct1;
trans = gst_test_trans_new ();
trans->buffer_alloc = buffer_alloc_ct1;
incaps = gst_caps_new_simple ("baz/x-foo", NULL);
outcaps = gst_caps_new_simple ("foo/x-bar", NULL);
#if 0
/* without caps buffer, I think this should fail */
GST_DEBUG_OBJECT (trans, "alloc without caps, size 20");
buffer_alloc_ct1_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 20, NULL, &buffer);
fail_unless (res == GST_FLOW_NOT_NEGOTIATED);
/* should not call pad-alloc because the caps and sizes are different */
fail_unless (buffer_alloc_ct1_called == FALSE);
#endif
/* with wrong (unsupported) caps */
GST_DEBUG_OBJECT (trans, "alloc with wrong caps, size 20");
buffer_alloc_ct1_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 20, outcaps, &buffer);
fail_unless (res == GST_FLOW_OK);
fail_if (buffer == NULL);
fail_unless (gst_caps_is_equal (GST_BUFFER_CAPS (buffer), incaps));
gst_buffer_unref (buffer);
/* FIXME, why would this call the alloc function? we try to alloc something
* with caps that are not supported on the sinkpad */
fail_unless (buffer_alloc_ct1_called == FALSE);
/* with caps buffer */
GST_DEBUG_OBJECT (trans, "alloc with caps, size 20");
buffer_alloc_ct1_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 20, incaps, &buffer);
fail_unless (res == GST_FLOW_OK);
/* should not call pad-alloc because the caps and sizes are different */
fail_unless (buffer_alloc_ct1_called == FALSE);
gst_buffer_unref (buffer);
/* first try to push a buffer without caps, this should fail */
buffer = gst_buffer_new_and_alloc (20);
GST_DEBUG_OBJECT (trans, "buffer without caps");
transform_ct1_called = FALSE;
transform_ct1_writable = FALSE;
set_caps_ct1_called = FALSE;
buffer_alloc_ct1_called = FALSE;
res = gst_test_trans_push (trans, buffer);
fail_unless (res == GST_FLOW_NOT_NEGOTIATED);
fail_unless (transform_ct1_called == FALSE);
fail_unless (transform_ct1_writable == FALSE);
fail_unless (set_caps_ct1_called == FALSE);
fail_unless (buffer_alloc_ct1_called == FALSE);
/* try to push a buffer with caps */
buffer = gst_buffer_new_and_alloc (20);
gst_buffer_set_caps (buffer, incaps);
GST_DEBUG_OBJECT (trans, "buffer with caps %" GST_PTR_FORMAT, incaps);
transform_ct1_called = FALSE;
transform_ct1_writable = FALSE;
set_caps_ct1_called = FALSE;
buffer_alloc_ct1_called = FALSE;
res = gst_test_trans_push (trans, buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (transform_ct1_called == TRUE);
fail_unless (transform_ct1_writable == TRUE);
fail_unless (set_caps_ct1_called == TRUE);
fail_unless (buffer_alloc_ct1_called == TRUE);
buffer = gst_test_trans_pop (trans);
fail_unless (buffer != NULL);
fail_unless (gst_buffer_get_size (buffer) == 40);
fail_unless (gst_caps_is_equal (GST_BUFFER_CAPS (buffer), outcaps));
gst_buffer_unref (buffer);
buffer = gst_buffer_new_and_alloc (20);
gst_buffer_set_caps (buffer, incaps);
/* take additional ref to make it non-writable */
gst_buffer_ref (buffer);
fail_unless (GST_MINI_OBJECT_REFCOUNT_VALUE (buffer) == 2);
GST_DEBUG_OBJECT (trans, "buffer with caps %" GST_PTR_FORMAT, incaps);
transform_ct1_called = FALSE;
transform_ct1_writable = FALSE;
buffer_alloc_ct1_called = FALSE;
res = gst_test_trans_push (trans, buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (transform_ct1_called == TRUE);
fail_unless (transform_ct1_writable == TRUE);
fail_unless (buffer_alloc_ct1_called == TRUE);
/* after push, get rid of the final ref we had */
gst_buffer_unref (buffer);
buffer = gst_test_trans_pop (trans);
fail_unless (buffer != NULL);
fail_unless (gst_buffer_get_size (buffer) == 40);
fail_unless (gst_caps_is_equal (GST_BUFFER_CAPS (buffer), outcaps));
/* output buffer has refcount 1 */
fail_unless (GST_MINI_OBJECT_REFCOUNT_VALUE (buffer) == 1);
gst_buffer_unref (buffer);
/* with caps buffer */
GST_DEBUG_OBJECT (trans, "alloc with caps, size 10");
buffer_alloc_ct1_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 10, incaps, &buffer);
fail_unless (res == GST_FLOW_OK);
/* should not call pad-alloc because the caps and sizes are different, it
* currently still calls the pad alloc for no reason and then throws away the
* buffer. */
fail_unless (buffer_alloc_ct1_called == FALSE);
fail_unless (gst_buffer_get_size (buffer) == 10);
gst_buffer_unref (buffer);
/* with caps buffer */
GST_DEBUG_OBJECT (trans, "alloc with wrong caps, size 10");
buffer_alloc_ct1_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 10, outcaps, &buffer);
fail_unless (res == GST_FLOW_OK);
fail_if (buffer == NULL);
fail_unless (gst_caps_is_equal (GST_BUFFER_CAPS (buffer), incaps));
gst_buffer_unref (buffer);
/* should not call the pad-alloc function */
fail_unless (buffer_alloc_ct1_called == FALSE);
gst_caps_unref (incaps);
gst_caps_unref (outcaps);
gst_test_trans_free (trans);
}
GST_END_TEST;
static GstStaticPadTemplate src_template_ct2 = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("baz/x-foo; foo/x-bar")
);
static gint set_caps_ct2_case;
static gboolean set_caps_ct2_called;
static gboolean
set_caps_ct2 (GstBaseTransform * trans, GstCaps * incaps, GstCaps * outcaps)
{
GstCaps *caps1, *caps2;
GST_DEBUG_OBJECT (trans, "set_caps called");
caps1 = gst_caps_new_simple ("foo/x-bar", NULL);
if (set_caps_ct2_case == 1)
caps2 = gst_caps_copy (caps1);
else
caps2 = gst_caps_new_simple ("baz/x-foo", NULL);
fail_unless (gst_caps_is_equal (incaps, caps1));
fail_unless (gst_caps_is_equal (outcaps, caps2));
set_caps_ct2_called = TRUE;
gst_caps_unref (caps1);
gst_caps_unref (caps2);
return TRUE;
}
static gboolean transform_ct2_called;
static gboolean transform_ct2_writable;
static GstFlowReturn
transform_ct2 (GstBaseTransform * trans, GstBuffer * in, GstBuffer * out)
{
transform_ct2_called = TRUE;
transform_ct2_writable = gst_buffer_is_writable (out);
GST_DEBUG_OBJECT (trans, "writable: %d", transform_ct2_writable);
return GST_FLOW_OK;
}
static GstCaps *
transform_caps_ct2 (GstBaseTransform * trans, GstPadDirection dir,
GstCaps * caps)
{
GstCaps *res;
if (dir == GST_PAD_SINK) {
/* everything on the sinkpad can be transformed to the output formats */
res = gst_caps_from_string ("foo/x-bar;baz/x-foo");
} else {
/* all on the srcpad can be transformed to the format of the sinkpad */
res = gst_caps_new_simple ("foo/x-bar", NULL);
}
return res;
}
static gboolean
transform_size_ct2 (GstBaseTransform * trans, GstPadDirection direction,
GstCaps * caps, gsize size, GstCaps * othercaps, gsize * othersize)
{
if (gst_caps_is_equal (caps, othercaps)) {
*othersize = size;
} else {
if (direction == GST_PAD_SINK) {
*othersize = size * 2;
} else {
*othersize = size / 2;
}
}
return TRUE;
}
static gint buffer_alloc_ct2_case;
static gboolean buffer_alloc_ct2_called;
static gboolean buffer_alloc_ct2_suggest;
static GstFlowReturn
buffer_alloc_ct2 (GstPad * pad, guint64 offset, guint size, GstCaps * caps,
GstBuffer ** buf)
{
GstCaps *incaps, *outcaps;
GST_DEBUG_OBJECT (pad, "buffer_alloc called %" G_GUINT64_FORMAT ", %u, %"
GST_PTR_FORMAT, offset, size, caps);
buffer_alloc_ct2_called = TRUE;
if (buffer_alloc_ct2_case == 1) {
incaps = gst_caps_new_simple ("foo/x-bar", NULL);
if (buffer_alloc_ct2_suggest) {
outcaps = gst_caps_new_simple ("baz/x-foo", NULL);
size *= 2;
} else
outcaps = gst_caps_ref (incaps);
} else {
incaps = gst_caps_new_simple ("baz/x-foo", NULL);
if (buffer_alloc_ct2_suggest) {
outcaps = gst_caps_new_simple ("foo/x-bar", NULL);
size /= 2;
} else
outcaps = gst_caps_ref (incaps);
}
GST_DEBUG_OBJECT (pad, "expect %" GST_PTR_FORMAT, incaps);
fail_unless (gst_caps_is_equal (caps, incaps));
*buf = gst_buffer_new_and_alloc (size);
gst_buffer_set_caps (*buf, outcaps);
GST_DEBUG_OBJECT (pad, "return buffer of size %u, caps %" GST_PTR_FORMAT,
size, outcaps);
gst_caps_unref (outcaps);
gst_caps_unref (incaps);
return GST_FLOW_OK;
}
/* basic copy-transform, check if the transform function is called,
* buffer should be writable. we also set a setcaps function and
* see if it's called. */
GST_START_TEST (basetransform_chain_ct2)
{
TestTransData *trans;
GstBuffer *buffer;
GstFlowReturn res;
GstCaps *incaps, *outcaps;
src_template = &src_template_ct2;
klass_transform = transform_ct2;
klass_set_caps = set_caps_ct2;
klass_transform_caps = transform_caps_ct2;
klass_transform_size = transform_size_ct2;
trans = gst_test_trans_new ();
trans->buffer_alloc = buffer_alloc_ct2;
incaps = gst_caps_new_simple ("foo/x-bar", NULL);
outcaps = gst_caps_new_simple ("baz/x-foo", NULL);
#if 0
/* without caps buffer, I think this should fail */
GST_DEBUG_OBJECT (trans, "alloc without caps, size 20");
buffer_alloc_ct2_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 20, NULL, &buffer);
fail_unless (res == GST_FLOW_NOT_NEGOTIATED);
/* should not call pad-alloc because the caps and sizes are different */
fail_unless (buffer_alloc_ct2_called == FALSE);
#endif
/* with passthrough caps */
GST_DEBUG_OBJECT (trans, "alloc size 20, with passthrough caps %"
GST_PTR_FORMAT, incaps);
buffer_alloc_ct2_case = 1;
buffer_alloc_ct2_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 20, incaps, &buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (buffer_alloc_ct2_called == TRUE);
gst_buffer_unref (buffer);
/* with caps buffer */
GST_DEBUG_OBJECT (trans, "alloc size 20, with wrong caps %" GST_PTR_FORMAT,
outcaps);
buffer_alloc_ct2_case = 2;
buffer_alloc_ct2_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 20, outcaps, &buffer);
fail_unless (res == GST_FLOW_OK);
fail_if (buffer == NULL);
fail_unless (gst_caps_is_equal (GST_BUFFER_CAPS (buffer), incaps));
gst_buffer_unref (buffer);
/* should not call pad-alloc because the caps and sizes are different */
fail_unless (buffer_alloc_ct2_called == FALSE);
/* first try to push a buffer without caps, this should fail */
buffer = gst_buffer_new_and_alloc (20);
GST_DEBUG_OBJECT (trans, "buffer without caps");
transform_ct2_called = FALSE;
transform_ct2_writable = FALSE;
set_caps_ct2_called = FALSE;
buffer_alloc_ct2_called = FALSE;
res = gst_test_trans_push (trans, buffer);
fail_unless (res == GST_FLOW_NOT_NEGOTIATED);
fail_unless (transform_ct2_called == FALSE);
fail_unless (transform_ct2_writable == FALSE);
fail_unless (set_caps_ct2_called == FALSE);
fail_unless (buffer_alloc_ct2_called == FALSE);
/* try to push a buffer with caps */
buffer = gst_buffer_new_and_alloc (20);
gst_buffer_set_caps (buffer, incaps);
GST_DEBUG_OBJECT (trans, "buffer with caps %" GST_PTR_FORMAT, incaps);
buffer_alloc_ct2_case = 1;
set_caps_ct2_case = 1;
transform_ct2_called = FALSE;
transform_ct2_writable = FALSE;
set_caps_ct2_called = FALSE;
buffer_alloc_ct2_called = FALSE;
res = gst_test_trans_push (trans, buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (transform_ct2_called == TRUE);
fail_unless (transform_ct2_writable == TRUE);
fail_unless (set_caps_ct2_called == TRUE);
fail_unless (buffer_alloc_ct2_called == TRUE);
buffer = gst_test_trans_pop (trans);
fail_unless (buffer != NULL);
fail_unless (gst_buffer_get_size (buffer) == 20);
fail_unless (gst_caps_is_equal (GST_BUFFER_CAPS (buffer), incaps));
gst_buffer_unref (buffer);
buffer = gst_buffer_new_and_alloc (20);
gst_buffer_set_caps (buffer, incaps);
/* take additional ref to make it non-writable */
gst_buffer_ref (buffer);
fail_unless (GST_MINI_OBJECT_REFCOUNT_VALUE (buffer) == 2);
GST_DEBUG_OBJECT (trans, "buffer with caps %" GST_PTR_FORMAT, incaps);
transform_ct2_called = FALSE;
transform_ct2_writable = FALSE;
buffer_alloc_ct2_called = FALSE;
res = gst_test_trans_push (trans, buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (transform_ct2_called == TRUE);
fail_unless (transform_ct2_writable == TRUE);
fail_unless (buffer_alloc_ct2_called == TRUE);
/* after push, get rid of the final ref we had */
gst_buffer_unref (buffer);
buffer = gst_test_trans_pop (trans);
fail_unless (buffer != NULL);
fail_unless (gst_buffer_get_size (buffer) == 20);
fail_unless (gst_caps_is_equal (GST_BUFFER_CAPS (buffer), incaps));
/* output buffer has refcount 1 */
fail_unless (GST_MINI_OBJECT_REFCOUNT_VALUE (buffer) == 1);
gst_buffer_unref (buffer);
/* with caps buffer */
GST_DEBUG_OBJECT (trans, "alloc with caps, size 10");
buffer_alloc_ct2_case = 1;
buffer_alloc_ct2_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 10, incaps, &buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (buffer_alloc_ct2_called == TRUE);
fail_unless (gst_buffer_get_size (buffer) == 10);
gst_buffer_unref (buffer);
/* with caps buffer */
GST_DEBUG_OBJECT (trans, "alloc with wrong caps, size 10");
buffer_alloc_ct2_case = 2;
buffer_alloc_ct2_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 10, outcaps, &buffer);
fail_unless (res == GST_FLOW_OK);
fail_if (buffer == NULL);
fail_unless (gst_caps_is_equal (GST_BUFFER_CAPS (buffer), incaps));
gst_buffer_unref (buffer);
/* should not call the pad-alloc function */
fail_unless (buffer_alloc_ct2_called == FALSE);
gst_caps_unref (incaps);
gst_caps_unref (outcaps);
gst_test_trans_free (trans);
}
GST_END_TEST;
/* basic copy-transform, we work in passthrough here. */
GST_START_TEST (basetransform_chain_ct3)
{
TestTransData *trans;
GstBuffer *buffer;
GstFlowReturn res;
GstCaps *incaps, *outcaps;
src_template = &src_template_ct2;
klass_passthrough_on_same_caps = TRUE;
klass_transform = transform_ct2;
klass_set_caps = set_caps_ct2;
klass_transform_caps = transform_caps_ct2;
klass_transform_size = transform_size_ct2;
trans = gst_test_trans_new ();
trans->buffer_alloc = buffer_alloc_ct2;
incaps = gst_caps_new_simple ("foo/x-bar", NULL);
outcaps = gst_caps_new_simple ("baz/x-foo", NULL);
#if 0
/* without caps buffer, I think this should fail */
GST_DEBUG_OBJECT (trans, "alloc without caps, size 20");
buffer_alloc_ct2_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 20, NULL, &buffer);
fail_unless (res == GST_FLOW_NOT_NEGOTIATED);
/* should not call pad-alloc because the caps and sizes are different */
fail_unless (buffer_alloc_ct2_called == FALSE);
#endif
/* with passthrough caps */
GST_DEBUG_OBJECT (trans, "alloc size 20, with passthrough caps %"
GST_PTR_FORMAT, incaps);
buffer_alloc_ct2_case = 1;
buffer_alloc_ct2_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 20, incaps, &buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (buffer_alloc_ct2_called == TRUE);
gst_buffer_unref (buffer);
/* with caps buffer */
GST_DEBUG_OBJECT (trans, "alloc size 20, with wrong caps %" GST_PTR_FORMAT,
outcaps);
buffer_alloc_ct2_case = 2;
buffer_alloc_ct2_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 20, outcaps, &buffer);
fail_unless (res == GST_FLOW_OK);
fail_if (buffer == NULL);
fail_unless (gst_caps_is_equal (GST_BUFFER_CAPS (buffer), incaps));
gst_buffer_unref (buffer);
/* should not call pad-alloc because the caps and sizes are different */
fail_unless (buffer_alloc_ct2_called == FALSE);
/* first try to push a buffer without caps, this should fail */
buffer = gst_buffer_new_and_alloc (20);
GST_DEBUG_OBJECT (trans, "buffer without caps");
transform_ct2_called = FALSE;
transform_ct2_writable = FALSE;
set_caps_ct2_called = FALSE;
buffer_alloc_ct2_called = FALSE;
res = gst_test_trans_push (trans, buffer);
fail_unless (res == GST_FLOW_NOT_NEGOTIATED);
fail_unless (transform_ct2_called == FALSE);
fail_unless (transform_ct2_writable == FALSE);
fail_unless (set_caps_ct2_called == FALSE);
fail_unless (buffer_alloc_ct2_called == FALSE);
/* try to push a buffer with caps */
buffer = gst_buffer_new_and_alloc (20);
gst_buffer_set_caps (buffer, incaps);
GST_DEBUG_OBJECT (trans, "buffer with caps %" GST_PTR_FORMAT, incaps);
buffer_alloc_ct2_case = 1;
set_caps_ct2_case = 1;
transform_ct2_called = FALSE;
set_caps_ct2_called = FALSE;
buffer_alloc_ct2_called = FALSE;
res = gst_test_trans_push (trans, buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (transform_ct2_called == FALSE);
fail_unless (set_caps_ct2_called == TRUE);
fail_unless (buffer_alloc_ct2_called == TRUE);
buffer = gst_test_trans_pop (trans);
fail_unless (buffer != NULL);
fail_unless (gst_buffer_get_size (buffer) == 20);
fail_unless (gst_caps_is_equal (GST_BUFFER_CAPS (buffer), incaps));
gst_buffer_unref (buffer);
buffer = gst_buffer_new_and_alloc (20);
gst_buffer_set_caps (buffer, incaps);
/* take additional ref to make it non-writable */
gst_buffer_ref (buffer);
fail_unless (GST_MINI_OBJECT_REFCOUNT_VALUE (buffer) == 2);
GST_DEBUG_OBJECT (trans, "buffer with caps %" GST_PTR_FORMAT, incaps);
transform_ct2_called = FALSE;
buffer_alloc_ct2_called = FALSE;
res = gst_test_trans_push (trans, buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (transform_ct2_called == FALSE);
fail_unless (buffer_alloc_ct2_called == TRUE);
/* after push, get rid of the final ref we had */
gst_buffer_unref (buffer);
buffer = gst_test_trans_pop (trans);
fail_unless (buffer != NULL);
fail_unless (gst_buffer_get_size (buffer) == 20);
fail_unless (gst_caps_is_equal (GST_BUFFER_CAPS (buffer), incaps));
/* output buffer has refcount 1 */
fail_unless (GST_MINI_OBJECT_REFCOUNT_VALUE (buffer) == 1);
gst_buffer_unref (buffer);
/* with caps buffer */
GST_DEBUG_OBJECT (trans, "alloc with caps, size 10");
buffer_alloc_ct2_case = 1;
buffer_alloc_ct2_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 10, incaps, &buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (buffer_alloc_ct2_called == TRUE);
fail_unless (gst_buffer_get_size (buffer) == 10);
gst_buffer_unref (buffer);
/* with caps buffer */
GST_DEBUG_OBJECT (trans, "alloc with wrong caps, size 10");
buffer_alloc_ct2_case = 2;
buffer_alloc_ct2_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 10, outcaps, &buffer);
fail_unless (res == GST_FLOW_OK);
fail_if (buffer == NULL);
fail_unless (gst_caps_is_equal (GST_BUFFER_CAPS (buffer), incaps));
/* if we don't push here, basetransform will think it doesn't need do a
* pad alloc for downstream caps suggestions */
res = gst_test_trans_push (trans, buffer);
buffer = gst_test_trans_pop (trans);
gst_buffer_unref (buffer);
/* FIXME should not call the pad-alloc function but it currently does */
fail_unless (buffer_alloc_ct2_called == FALSE);
/* change the return value of the buffer-alloc function */
GST_DEBUG_OBJECT (trans, "switching transform output");
buffer_alloc_ct2_suggest = TRUE;
GST_DEBUG_OBJECT (trans,
"buffer with in passthrough with caps %" GST_PTR_FORMAT, incaps);
buffer = gst_buffer_new_and_alloc (10);
gst_buffer_set_caps (buffer, incaps);
/* don't suggest anything else */
buffer_alloc_ct2_case = 1;
set_caps_ct2_case = 2;
transform_ct2_called = FALSE;
buffer_alloc_ct2_called = FALSE;
res = gst_test_trans_push (trans, buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (transform_ct2_called == TRUE);
/* FIXME, pad alloc must be called to get the new caps, because we don't call
* pad alloc */
fail_unless (buffer_alloc_ct2_called == TRUE);
buffer = gst_test_trans_pop (trans);
fail_unless (buffer != NULL);
/* FIXME changing src caps should produce converted buffer */
GST_DEBUG_OBJECT (trans, "received caps %" GST_PTR_FORMAT,
GST_BUFFER_CAPS (buffer));
fail_unless (gst_caps_is_equal (GST_BUFFER_CAPS (buffer), outcaps));
fail_unless (gst_buffer_get_size (buffer) == 20);
/* output buffer has refcount 1 */
fail_unless (GST_MINI_OBJECT_REFCOUNT_VALUE (buffer) == 1);
gst_buffer_unref (buffer);
/* with caps buffer */
GST_DEBUG_OBJECT (trans, "alloc with caps, size 10");
set_caps_ct2_case = 0;
buffer_alloc_ct2_case = 1;
buffer_alloc_ct2_called = FALSE;
set_caps_ct2_called = FALSE;
res = gst_pad_alloc_buffer (trans->srcpad, 0, 10, incaps, &buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (buffer_alloc_ct2_called == TRUE);
/* FIXME a buffer alloc should never set caps */
fail_unless (set_caps_ct2_called == FALSE);
fail_unless (gst_buffer_get_size (buffer) == 10);
/* FIXME, ideally we want to reuse these caps */
fail_unless (GST_BUFFER_CAPS (buffer) == incaps);
fail_unless (gst_caps_is_equal (GST_BUFFER_CAPS (buffer), incaps));
gst_buffer_unref (buffer);
GST_DEBUG_OBJECT (trans, "buffer with caps %" GST_PTR_FORMAT, incaps);
buffer = gst_buffer_new_and_alloc (10);
gst_buffer_set_caps (buffer, incaps);
/* don't suggest anything else */
buffer_alloc_ct2_suggest = FALSE;
buffer_alloc_ct2_case = 0;
transform_ct2_called = FALSE;
buffer_alloc_ct2_called = FALSE;
res = gst_test_trans_push (trans, buffer);
fail_unless (res == GST_FLOW_OK);
fail_unless (transform_ct2_called == TRUE);
fail_unless (buffer_alloc_ct2_called == TRUE);
/* after push, get rid of the final ref we had */
buffer = gst_test_trans_pop (trans);
fail_unless (buffer != NULL);
fail_unless (gst_buffer_get_size (buffer) == 20);
fail_unless (gst_caps_is_equal (GST_BUFFER_CAPS (buffer), outcaps));
/* output buffer has refcount 1 */
fail_unless (GST_MINI_OBJECT_REFCOUNT_VALUE (buffer) == 1);
gst_buffer_unref (buffer);
gst_caps_unref (incaps);
gst_caps_unref (outcaps);
gst_test_trans_free (trans);
}
GST_END_TEST;
static Suite *
gst_basetransform_suite (void)
{
Suite *s = suite_create ("GstBaseTransform");
TCase *tc = tcase_create ("general");
suite_add_tcase (s, tc);
/* pass through */
tcase_add_test (tc, basetransform_chain_pt1);
tcase_add_test (tc, basetransform_chain_pt2);
/* in place */
tcase_add_test (tc, basetransform_chain_ip1);
tcase_add_test (tc, basetransform_chain_ip2);
/* copy transform */
tcase_add_test (tc, basetransform_chain_ct1);
tcase_add_test (tc, basetransform_chain_ct2);
tcase_add_test (tc, basetransform_chain_ct3);
return s;
}
GST_CHECK_MAIN (gst_basetransform);