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a198803bd6
Allow for sub-classes which want to collate incoming buffers or split them into multiple output buffers by separating the input buffer submission from output buffer generation and allowing for looping of one of the phases depending on pull or push mode operation. https://bugzilla.gnome.org/show_bug.cgi?id=750033
162 lines
4.3 KiB
C
162 lines
4.3 KiB
C
/* GStreamer
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*
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* Unit tests for basetransform collation/separation
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*
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* Copyright (C) 2008 Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/gst.h>
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#include <gst/check/gstcheck.h>
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#include <gst/base/gstbasetransform.h>
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#include "test_transform.c"
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GstBuffer *buf1, *buf2;
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/* Output buffers are twice the size as input */
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static gboolean
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transform_size_collate (GstBaseTransform * trans, GstPadDirection direction,
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GstCaps * caps, gsize size, GstCaps * othercaps, gsize * othersize)
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{
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if (direction == GST_PAD_SINK) {
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*othersize = size * 2;
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} else {
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*othersize = size / 2;
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}
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return TRUE;
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}
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static GstFlowReturn
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collate_submit_input_buffer (GstBaseTransform * trans,
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gboolean is_discont, GstBuffer * input)
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{
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GstFlowReturn ret =
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GST_BASE_TRANSFORM_CLASS
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(gst_test_trans_parent_class)->submit_input_buffer (trans, is_discont,
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input);
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if (ret != GST_FLOW_OK)
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return ret;
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fail_unless (buf1 == NULL || buf2 == NULL);
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if (buf1 == NULL) {
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buf1 = trans->queued_buf;
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trans->queued_buf = NULL;
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} else if (buf2 == NULL) {
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buf2 = trans->queued_buf;
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trans->queued_buf = NULL;
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}
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return ret;
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}
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static GstFlowReturn
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collate_generate_output (GstBaseTransform * trans, GstBuffer ** outbuf)
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{
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/* Not ready to generate output unless we've collected 2 buffers */
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if (buf1 == NULL || buf2 == NULL)
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return GST_BASE_TRANSFORM_FLOW_DROPPED;
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fail_unless (buf1 != NULL && buf2 != NULL);
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*outbuf = gst_buffer_new_and_alloc (40);
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gst_buffer_unref (buf1);
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gst_buffer_unref (buf2);
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buf1 = NULL;
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buf2 = NULL;
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return GST_FLOW_OK;
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}
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/* Take 2 input buffers, generate 1 output
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* buffer with twice the size
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*/
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GST_START_TEST (basetransform_chain_collate)
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{
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TestTransData *trans;
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GstBuffer *buffer;
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GstFlowReturn res;
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GstCaps *incaps, *outcaps;
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src_template = &gst_test_trans_src_template;
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klass_passthrough_on_same_caps = FALSE;
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klass_transform_size = transform_size_collate;
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klass_submit_input_buffer = collate_submit_input_buffer;
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klass_generate_output = collate_generate_output;
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trans = gst_test_trans_new ();
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incaps = gst_caps_new_empty_simple ("foo/x-bar");
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outcaps = gst_caps_new_empty_simple ("foo/x-bar");
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gst_test_trans_push_segment (trans);
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gst_pad_push_event (trans->srcpad, gst_event_new_flush_start ());
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gst_pad_push_event (trans->srcpad, gst_event_new_flush_stop (TRUE));
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GST_DEBUG_OBJECT (trans, "buffer with caps %" GST_PTR_FORMAT, incaps);
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gst_test_trans_setcaps (trans, incaps);
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gst_test_trans_push_segment (trans);
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buffer = gst_buffer_new_and_alloc (20);
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res = gst_test_trans_push (trans, buffer);
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fail_unless (res == GST_FLOW_OK);
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/* We do not expect an output buffer after only pushing one input */
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buffer = gst_test_trans_pop (trans);
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fail_unless (buffer == NULL);
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buffer = gst_buffer_new_and_alloc (20);
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res = gst_test_trans_push (trans, buffer);
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fail_unless (res == GST_FLOW_OK);
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buffer = gst_test_trans_pop (trans);
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fail_unless (buffer != NULL);
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fail_unless (gst_buffer_get_size (buffer) == 40);
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/* output buffer has refcount 1 */
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fail_unless (GST_MINI_OBJECT_REFCOUNT_VALUE (buffer) == 1);
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gst_buffer_unref (buffer);
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gst_caps_unref (incaps);
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gst_caps_unref (outcaps);
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gst_test_trans_free (trans);
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}
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GST_END_TEST;
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static Suite *
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gst_basetransform_collate_suite (void)
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{
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Suite *s = suite_create ("GstBaseTransformCollate");
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TCase *tc = tcase_create ("general");
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suite_add_tcase (s, tc);
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tcase_add_test (tc, basetransform_chain_collate);
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return s;
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}
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GST_CHECK_MAIN (gst_basetransform_collate);
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