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157 lines
4 KiB
C
157 lines
4 KiB
C
/*
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* test-vaapipostproc.c - Testsuite for VAAPI Postprocessor
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*
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* Copyright (C) 2017 Intel Corporation
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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 Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#include <stdio.h>
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#include <gst/gst.h>
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#include <gst/base/gstbasetransform.h>
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typedef struct _CustomData
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{
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GstElement *pipeline;
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GstElement *postproc;
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GMainLoop *loop;
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} AppData;
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static gboolean
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_check_passthrough_mode (gpointer user_data)
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{
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gboolean ret;
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AppData *data = (AppData *) user_data;
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ret = gst_base_transform_is_passthrough (GST_BASE_TRANSFORM (data->postproc));
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if (ret)
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gst_println ("Now this pipeline is on passthrough mode");
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else
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gst_println ("Now this pipeline is NOT on passthrough mode");
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return FALSE;
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}
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static void
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set_contrast (AppData * data)
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{
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static gfloat value = 1.0;
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value = value == 1.0 ? 0.5 : 1.0;
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g_object_set (data->postproc, "contrast", value, NULL);
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gst_println ("contrast value is changed to %f", value);
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g_timeout_add (300, _check_passthrough_mode, data);
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}
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static void
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change_size (AppData * data)
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{
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static gint i = 0;
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if (i == 0) {
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g_object_set (data->postproc, "width", 1280, "height", 720, NULL);
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gst_println ("frame size is changed to 1280x720");
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i++;
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} else {
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g_object_set (data->postproc, "width", 0, "height", 0, NULL);
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gst_println ("frame size is changed to default");
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i = 0;
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}
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g_timeout_add (300, _check_passthrough_mode, data);
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}
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/* Process keyboard input */
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static gboolean
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handle_keyboard (GIOChannel * source, GIOCondition cond, AppData * data)
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{
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gchar *str = NULL;
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if (g_io_channel_read_line (source, &str, NULL, NULL,
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NULL) != G_IO_STATUS_NORMAL) {
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return TRUE;
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}
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switch (g_ascii_tolower (str[0])) {
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case 's':{
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set_contrast (data);
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break;
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}
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case 'c':{
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change_size (data);
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break;
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}
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case 'q':
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g_main_loop_quit (data->loop);
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break;
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default:
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break;
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}
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g_free (str);
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return TRUE;
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}
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int
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main (int argc, char *argv[])
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{
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AppData data = { 0, };
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GstStateChangeReturn ret;
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GIOChannel *io_stdin;
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/* Initialize GStreamer */
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gst_init (&argc, &argv);
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/* Print usage map */
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gst_println ("USAGE: Choose one of the following options, then press enter:\n"
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" 's' to set contrast\n" " 'c' to change size\n" " 'q' to quit\n");
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data.pipeline =
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gst_parse_launch
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("videotestsrc name=src ! vaapih264enc ! vaapih264dec ! vaapipostproc name=postproc ! vaapisink",
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NULL);
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data.postproc = gst_bin_get_by_name (GST_BIN (data.pipeline), "postproc");
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/* Add a keyboard watch so we get notified of keystrokes */
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io_stdin = g_io_channel_unix_new (fileno (stdin));
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g_io_add_watch (io_stdin, G_IO_IN, (GIOFunc) handle_keyboard, &data);
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/* Start playing */
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ret = gst_element_set_state (data.pipeline, GST_STATE_PLAYING);
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if (ret == GST_STATE_CHANGE_FAILURE) {
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g_printerr ("Unable to set the pipeline to the playing state.\n");
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gst_object_unref (data.pipeline);
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return -1;
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}
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g_timeout_add (300, _check_passthrough_mode, &data);
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/* Create a GLib Main Loop and set it to run */
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data.loop = g_main_loop_new (NULL, FALSE);
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g_main_loop_run (data.loop);
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/* Free resources */
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g_main_loop_unref (data.loop);
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g_io_channel_unref (io_stdin);
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gst_element_set_state (data.pipeline, GST_STATE_NULL);
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gst_object_unref (data.postproc);
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gst_object_unref (data.pipeline);
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return 0;
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}
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