352a8a8b12
By design, unixfd is meant to be used for zero-copy and failing when the data is not FD based memory is wanted to help debug pipelines. Though, there exists cases, notably with RTP payloader and demuxers, where its not possible to get all the data into FD memory through allocation queries. To allow using unixfd for these cases, introduce a property on the unixfdsink that enable copying the non FD data into freshly allocated memfd. Co-authored-by: Nicolas Dufresne <nicolas.dufresne@collabora.com> Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8861>
312 lines
10 KiB
C
312 lines
10 KiB
C
/* GStreamer unix file-descriptor source/sink tests
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*
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* Copyright (C) 2023 Netflix Inc.
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* Author: Xavier Claessens <xavier.claessens@collabora.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/app/app.h>
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#include <glib/gstdio.h>
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static void
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wait_preroll (GstElement * element)
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{
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GstStateChangeReturn state_res =
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gst_element_set_state (element, GST_STATE_PLAYING);
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fail_unless (state_res != GST_STATE_CHANGE_FAILURE);
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state_res = gst_element_get_state (element, NULL, NULL, GST_CLOCK_TIME_NONE);
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fail_unless (state_res == GST_STATE_CHANGE_SUCCESS);
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}
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static GstPadProbeReturn
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buffer_pad_probe_cb (GstPad * pad, GstPadProbeInfo * info, gpointer user_data)
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{
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GstBuffer *buffer = GST_PAD_PROBE_INFO_BUFFER (info);
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if (buffer != NULL) {
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GstCustomMeta *cmeta =
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gst_buffer_add_custom_meta (buffer, "unix-fd-custom-meta");
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GstStructure *s = gst_custom_meta_get_structure (cmeta);
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gst_structure_set (s, "field", G_TYPE_INT, 42, NULL);
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}
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return GST_PAD_PROBE_OK;
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}
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GST_START_TEST (test_unixfd_videotestsrc)
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{
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GError *error = NULL;
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const gchar *tags[] = { NULL };
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gst_meta_register_custom ("unix-fd-custom-meta", tags, NULL, NULL, NULL);
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/* Ensure we don't have socket from previous failed test */
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gchar *tempdir = g_dir_make_tmp ("unixfd-test-XXXXXX", &error);
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g_assert_no_error (error);
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gchar *socket_path = g_strdup_printf ("%s/socket", tempdir);
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/* Setup source */
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gchar *pipeline_str =
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g_strdup_printf ("videotestsrc name=src ! unixfdsink socket-path=%s",
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socket_path);
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GstElement *pipeline_service = gst_parse_launch (pipeline_str, &error);
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g_assert_no_error (error);
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g_free (pipeline_str);
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/* Add a custom meta on each buffer */
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GstElement *src = gst_bin_get_by_name (GST_BIN (pipeline_service), "src");
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GstPad *pad = gst_element_get_static_pad (src, "src");
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gst_pad_add_probe (pad, GST_PAD_PROBE_TYPE_BUFFER, buffer_pad_probe_cb, NULL,
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NULL);
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gst_object_unref (src);
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gst_object_unref (pad);
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wait_preroll (pipeline_service);
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/* Setup sink */
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pipeline_str =
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g_strdup_printf ("unixfdsrc socket-path=%s ! fakesink name=sink",
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socket_path);
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GstElement *pipeline_client_1 = gst_parse_launch (pipeline_str, &error);
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g_assert_no_error (error);
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wait_preroll (pipeline_client_1);
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/* disconnect, reconnect */
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fail_unless (gst_element_set_state (pipeline_client_1,
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GST_STATE_READY) == GST_STATE_CHANGE_SUCCESS);
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wait_preroll (pipeline_client_1);
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/* Connect 2nd sink */
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GstElement *pipeline_client_2 = gst_parse_launch (pipeline_str, &error);
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g_assert_no_error (error);
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wait_preroll (pipeline_client_2);
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/* Check we received our custom meta */
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GstSample *sample;
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GstElement *sink = gst_bin_get_by_name (GST_BIN (pipeline_client_2), "sink");
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g_object_get (sink, "last-sample", &sample, NULL);
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fail_unless (sample);
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GstBuffer *buffer = gst_sample_get_buffer (sample);
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GstCustomMeta *cmeta =
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gst_buffer_get_custom_meta (buffer, "unix-fd-custom-meta");
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fail_unless (cmeta);
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GstStructure *s = gst_custom_meta_get_structure (cmeta);
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gint value;
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fail_unless (gst_structure_get_int (s, "field", &value));
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fail_unless_equals_int (value, 42);
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gst_object_unref (sink);
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gst_sample_unref (sample);
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/* Teardown */
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fail_unless (gst_element_set_state (pipeline_client_1,
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GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS);
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fail_unless (gst_element_set_state (pipeline_client_2,
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GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS);
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fail_unless (gst_element_set_state (pipeline_service,
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GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS);
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fail_if (g_file_test (socket_path, G_FILE_TEST_EXISTS));
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g_rmdir (tempdir);
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g_free (tempdir);
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gst_object_unref (pipeline_service);
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gst_object_unref (pipeline_client_1);
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gst_object_unref (pipeline_client_2);
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g_free (socket_path);
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g_free (pipeline_str);
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}
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GST_END_TEST;
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GST_START_TEST (test_unixfd_segment)
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{
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GError *error = NULL;
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/* Ensure we don't have socket from previous failed test */
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gchar *tempdir = g_dir_make_tmp ("unixfd-test-XXXXXX", &error);
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g_assert_no_error (error);
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gchar *socket_path = g_strdup_printf ("%s/socket", tempdir);
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GstCaps *caps = gst_caps_new_empty_simple ("video/x-raw");
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/* Setup service */
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gchar *pipeline_str =
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g_strdup_printf
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("appsrc name=src format=time handle-segment-change=true ! unixfdsink socket-path=%s sync=false async=false wait-for-connection=true",
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socket_path);
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GstElement *pipeline_service = gst_parse_launch (pipeline_str, &error);
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g_assert_no_error (error);
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fail_unless (gst_element_set_state (pipeline_service,
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GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS);
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GstElement *appsrc = gst_bin_get_by_name (GST_BIN (pipeline_service), "src");
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gst_object_unref (appsrc);
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g_free (pipeline_str);
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/* Setup client */
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pipeline_str =
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g_strdup_printf
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("unixfdsrc socket-path=%s ! appsink name=sink sync=false async=false",
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socket_path);
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GstElement *pipeline_client = gst_parse_launch (pipeline_str, &error);
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g_assert_no_error (error);
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fail_unless (gst_element_set_state (pipeline_client,
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GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS);
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GstElement *appsink = gst_bin_get_by_name (GST_BIN (pipeline_client), "sink");
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gst_object_unref (appsink);
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g_free (pipeline_str);
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/* Send a buffer with PTS=30s */
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GstSegment segment;
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gst_segment_init (&segment, GST_FORMAT_TIME);
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GstBuffer *buf = gst_buffer_new ();
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GST_BUFFER_PTS (buf) = 30 * GST_SECOND;
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GstSample *sample = gst_sample_new (buf, caps, &segment, NULL);
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gst_app_src_push_sample (GST_APP_SRC (appsrc), sample);
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gst_sample_unref (sample);
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gst_buffer_unref (buf);
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/* Wait for it */
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sample = gst_app_sink_pull_sample (GST_APP_SINK (appsink));
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buf = gst_sample_get_buffer (sample);
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GstClockTime first_pts = GST_BUFFER_PTS (buf);
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gst_sample_unref (sample);
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/* Send a buffer with PTS=1s but with 30s offset in the segment */
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segment.base = 30 * GST_SECOND;
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buf = gst_buffer_new ();
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GST_BUFFER_PTS (buf) = 1 * GST_SECOND;
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sample = gst_sample_new (buf, caps, &segment, NULL);
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gst_app_src_push_sample (GST_APP_SRC (appsrc), sample);
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gst_sample_unref (sample);
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gst_buffer_unref (buf);
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/* Wait for it */
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sample = gst_app_sink_pull_sample (GST_APP_SINK (appsink));
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buf = gst_sample_get_buffer (sample);
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GstClockTime second_pts = GST_BUFFER_PTS (buf);
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gst_sample_unref (sample);
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/* They should be 1s appart */
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fail_unless_equals_uint64 (second_pts - first_pts, GST_SECOND);
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/* Teardown */
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fail_unless (gst_element_set_state (pipeline_client,
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GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS);
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fail_unless (gst_element_set_state (pipeline_service,
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GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS);
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g_rmdir (tempdir);
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g_free (tempdir);
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gst_object_unref (pipeline_service);
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gst_object_unref (pipeline_client);
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g_free (socket_path);
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gst_caps_unref (caps);
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}
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GST_END_TEST;
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GST_START_TEST (test_unixfd_copy)
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{
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GError *error = NULL;
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/* Ensure we don't have socket from previous failed test */
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gchar *tempdir = g_dir_make_tmp ("unixfd-test-XXXXXX", &error);
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g_assert_no_error (error);
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gchar *socket_path = g_strdup_printf ("%s/socket", tempdir);
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GstCaps *caps = gst_caps_new_empty_simple ("video/x-raw");
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/* Setup service */
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gchar *pipeline_str =
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g_strdup_printf
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("appsrc name=src format=time ! unixfdsink socket-path=%s sync=false async=false wait-for-connection=true",
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socket_path);
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GstElement *pipeline_service = gst_parse_launch (pipeline_str, &error);
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g_assert_no_error (error);
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fail_unless (gst_element_set_state (pipeline_service,
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GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS);
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GstElement *appsrc = gst_bin_get_by_name (GST_BIN (pipeline_service), "src");
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gst_object_unref (appsrc);
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g_free (pipeline_str);
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/* Setup client */
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pipeline_str =
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g_strdup_printf
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("unixfdsrc socket-path=%s ! appsink name=sink sync=false async=false",
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socket_path);
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GstElement *pipeline_client = gst_parse_launch (pipeline_str, &error);
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g_assert_no_error (error);
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fail_unless (gst_element_set_state (pipeline_client,
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GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS);
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GstElement *appsink = gst_bin_get_by_name (GST_BIN (pipeline_client), "sink");
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gst_object_unref (appsink);
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g_free (pipeline_str);
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/* Send a buffer with system memory */
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GstSegment segment;
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gst_segment_init (&segment, GST_FORMAT_TIME);
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const char content[] = "Hello world!";
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GstBuffer *buf = gst_buffer_new_memdup (content, strlen (content));
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GstSample *sample = gst_sample_new (buf, caps, &segment, NULL);
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gst_app_src_push_sample (GST_APP_SRC (appsrc), sample);
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gst_sample_unref (sample);
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gst_buffer_unref (buf);
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/* Wait for it */
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sample = gst_app_sink_pull_sample (GST_APP_SINK (appsink));
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buf = gst_sample_get_buffer (sample);
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fail_unless (gst_buffer_memcmp (buf, 0, content, strlen (content)) == 0);
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gst_sample_unref (sample);
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/* Teardown */
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fail_unless (gst_element_set_state (pipeline_client,
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GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS);
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fail_unless (gst_element_set_state (pipeline_service,
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GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS);
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g_rmdir (tempdir);
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g_free (tempdir);
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gst_object_unref (pipeline_service);
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gst_object_unref (pipeline_client);
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g_free (socket_path);
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gst_caps_unref (caps);
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}
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GST_END_TEST;
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static Suite *
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unixfd_suite (void)
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{
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Suite *s = suite_create ("unixfd");
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TCase *tc = tcase_create ("unixfd");
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suite_add_tcase (s, tc);
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tcase_add_test (tc, test_unixfd_videotestsrc);
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tcase_add_test (tc, test_unixfd_segment);
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tcase_add_test (tc, test_unixfd_copy);
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return s;
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}
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GST_CHECK_MAIN (unixfd);
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