1 /**************************************************************************
2 *
3 * Copyright 2013 Advanced Micro Devices, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28 /*
29 * Authors:
30 * Christian König <christian.koenig@amd.com>
31 *
32 */
33
34 #include <assert.h>
35 #include <string.h>
36 #include <stdbool.h>
37
38 #if defined(HAVE_X11_PLATFORM)
39 #include <X11/Xlib.h>
40 #else
41 #define XOpenDisplay(x) NULL
42 #define XCloseDisplay(x)
43 #define Display void
44 #endif
45
46 #include "os/os_thread.h"
47 #include "util/u_memory.h"
48 #include "loader/loader.h"
49
50 #include "entrypoint.h"
51 #include "vid_dec.h"
52 #include "vid_enc.h"
53
54 static mtx_t omx_lock = _MTX_INITIALIZER_NP;
55 static Display *omx_display = NULL;
56 static struct vl_screen *omx_screen = NULL;
57 static unsigned omx_usecount = 0;
58 static const char *omx_render_node = NULL;
59 static int drm_fd;
60
omx_component_library_Setup(stLoaderComponentType ** stComponents)61 int omx_component_library_Setup(stLoaderComponentType **stComponents)
62 {
63 OMX_ERRORTYPE r;
64
65 if (stComponents == NULL)
66 return 2;
67
68 /* component 0 - video decoder */
69 r = vid_dec_LoaderComponent(stComponents[0]);
70 if (r != OMX_ErrorNone)
71 return OMX_ErrorInsufficientResources;
72
73 /* component 1 - video encoder */
74 r = vid_enc_LoaderComponent(stComponents[1]);
75 if (r != OMX_ErrorNone)
76 return OMX_ErrorInsufficientResources;
77
78 return 2;
79 }
80
omx_get_screen(void)81 struct vl_screen *omx_get_screen(void)
82 {
83 static bool first_time = true;
84 mtx_lock(&omx_lock);
85
86 if (!omx_screen) {
87 if (first_time) {
88 omx_render_node = debug_get_option("OMX_RENDER_NODE", NULL);
89 first_time = false;
90 }
91 if (omx_render_node) {
92 drm_fd = loader_open_device(omx_render_node);
93 if (drm_fd < 0)
94 goto error;
95
96 omx_screen = vl_drm_screen_create(drm_fd);
97 if (!omx_screen) {
98 close(drm_fd);
99 goto error;
100 }
101 } else {
102 omx_display = XOpenDisplay(NULL);
103 if (!omx_display)
104 goto error;
105
106 omx_screen = vl_dri3_screen_create(omx_display, 0);
107 if (!omx_screen)
108 omx_screen = vl_dri2_screen_create(omx_display, 0);
109 if (!omx_screen) {
110 XCloseDisplay(omx_display);
111 goto error;
112 }
113 }
114 }
115
116 ++omx_usecount;
117
118 mtx_unlock(&omx_lock);
119 return omx_screen;
120
121 error:
122 mtx_unlock(&omx_lock);
123 return NULL;
124 }
125
omx_put_screen(void)126 void omx_put_screen(void)
127 {
128 mtx_lock(&omx_lock);
129 if ((--omx_usecount) == 0) {
130 omx_screen->destroy(omx_screen);
131 omx_screen = NULL;
132
133 if (omx_render_node)
134 close(drm_fd);
135 else
136 XCloseDisplay(omx_display);
137 }
138 mtx_unlock(&omx_lock);
139 }
140
omx_workaround_Destructor(OMX_COMPONENTTYPE * comp)141 OMX_ERRORTYPE omx_workaround_Destructor(OMX_COMPONENTTYPE *comp)
142 {
143 omx_base_component_PrivateType* priv = (omx_base_component_PrivateType*)comp->pComponentPrivate;
144
145 priv->state = OMX_StateInvalid;
146 tsem_up(priv->messageSem);
147
148 /* wait for thread to exit */
149 pthread_join(priv->messageHandlerThread, NULL);
150
151 return omx_base_component_Destructor(comp);
152 }
153