4 * Copyright (C) 2013 Samsung Electronics Co., Ltd. All rights reserved.
7 * KiTae Kim <kt920.kim@samsung.com>
8 * SeokYeon Hwang <syeon.hwang@samsung.com>
9 * YeongKyoon Lee <yeongkyoon.lee@samsung.com>
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Library General Public
13 * License as published by the Free Software Foundation; either
14 * version 2 of the License, or (at your option) any later version.
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Library General Public License for more details.
21 * You should have received a copy of the GNU Library General Public
22 * License along with this library; if not, write to the
23 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 * Boston, MA 02111-1307, USA.
27 /* First, include the header file for the plugin, to bring in the
28 * object definition and other useful things.
39 #include "gstmaruutils.h"
41 GST_DEBUG_CATEGORY (maru_debug);
43 #define GST_TYPE_MARUDEC \
44 (gst_maru_dec_get_type())
45 #define GST_MARUDEC(obj) \
46 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MARUDEC,GstMaruDec))
47 #define GST_MARUDEC_CLASS(klass) \
48 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MARUDEC,GstMaruDecClass))
49 #define GST_IS_MARUDEC(obj) \
50 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MARUDEC))
51 #define GST_IS_MARUDEC_CLASS(klass) \
52 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MARUDEC))
54 gboolean gst_marudec_register (GstPlugin *plugin, GList *element);
55 gboolean gst_maruenc_register (GstPlugin *plugin, GList *element);
57 static GList *codec_element = NULL;
58 static gboolean codec_element_init = FALSE;
59 static GMutex gst_maru_mutex;
62 gst_maru_codec_element_init ()
67 uint32_t data_length = 0;
69 CodecElement *elem = NULL;
71 CODEC_LOG (DEBUG, "enter: %s\n", __func__);
73 codec_element_init = TRUE;
75 fd = open (CODEC_DEV, O_RDWR);
77 perror ("[gst-maru] failed to open codec device");
81 ioctl (fd, CODEC_CMD_GET_VERSION, &version);
82 if (version != CODEC_VER) {
83 CODEC_LOG (INFO, "version conflict between device: %d, plugin: %d\n",
89 buffer = mmap (NULL, 4096, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
91 perror ("[gst-maru] failure memory mapping.");
96 CODEC_LOG (DEBUG, "request a device to get codec element.\n");
97 if (ioctl(fd, CODEC_CMD_GET_ELEMENT, &data_length) < 0) {
98 perror ("[gst-maru] failed to get codec elements");
99 munmap (buffer, 4096);
104 CODEC_LOG (DEBUG, "sizeof codec elements. %d\n", data_length);
105 elem = g_malloc0 (data_length);
107 CODEC_LOG (ERR, "Failed to allocate memory.\n");
108 munmap (buffer, 4096);
113 if (ioctl(fd, CODEC_CMD_GET_ELEMENT_DATA, elem) < 0) {
114 CODEC_LOG (ERR, "failed to get codec elements\n");
115 munmap (buffer, 4096);
120 elem_cnt = data_length / sizeof(CodecElement);
121 for (i = 0; i < elem_cnt; i++) {
122 codec_element = g_list_append (codec_element, &elem[i]);
125 munmap (buffer, 4096);
128 CODEC_LOG (DEBUG, "leave: %s\n", __func__);
134 plugin_init (GstPlugin *plugin)
136 GST_DEBUG_CATEGORY_INIT (maru_debug,
137 "tizen-maru", 0, "Tizen Emulator Codec Elements");
139 gst_maru_init_pix_fmt_info ();
141 g_mutex_lock (&gst_maru_mutex);
142 if (!codec_element_init) {
143 if (!gst_maru_codec_element_init ()) {
144 g_mutex_unlock (&gst_maru_mutex);
146 GST_ERROR ("failed to get codec elements from QEMU");
150 g_mutex_unlock (&gst_maru_mutex);
152 if (!gst_marudec_register (plugin, codec_element)) {
153 GST_ERROR ("failed to register decoder elements");
156 if (!gst_maruenc_register (plugin, codec_element)) {
157 GST_ERROR ("failed to register encoder elements");
162 while ((codec_element = g_list_next (codec_element))) {
163 g_list_free (codec_element);
171 #define PACKAGE "gst-plugins-emulator"
178 "Codecs for Tizen Emulator",
182 "gst-plugins-emulator",