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 #include <X11/Xlib.h>
39
40 #include "os/os_thread.h"
41 #include "util/u_memory.h"
42 #include "loader/loader.h"
43
44 #include "entrypoint.h"
45 #include "vid_dec.h"
46 #include "vid_enc.h"
47
48 pipe_static_mutex(omx_lock);
49 static Display *omx_display = NULL;
50 static struct vl_screen *omx_screen = NULL;
51 static unsigned omx_usecount = 0;
52 static const char *omx_render_node = NULL;
53 static int drm_fd;
54
omx_component_library_Setup(stLoaderComponentType ** stComponents)55 int omx_component_library_Setup(stLoaderComponentType **stComponents)
56 {
57 OMX_ERRORTYPE r;
58
59 if (stComponents == NULL)
60 return 2;
61
62 /* component 0 - video decoder */
63 r = vid_dec_LoaderComponent(stComponents[0]);
64 if (r != OMX_ErrorNone)
65 return OMX_ErrorInsufficientResources;
66
67 /* component 1 - video encoder */
68 r = vid_enc_LoaderComponent(stComponents[1]);
69 if (r != OMX_ErrorNone)
70 return OMX_ErrorInsufficientResources;
71
72 return 2;
73 }
74
omx_get_screen(void)75 struct vl_screen *omx_get_screen(void)
76 {
77 static bool first_time = true;
78 pipe_mutex_lock(omx_lock);
79
80 if (!omx_screen) {
81 if (first_time) {
82 omx_render_node = debug_get_option("OMX_RENDER_NODE", NULL);
83 first_time = false;
84 }
85 if (omx_render_node) {
86 drm_fd = loader_open_device(omx_render_node);
87 if (drm_fd < 0)
88 goto error;
89
90 omx_screen = vl_drm_screen_create(drm_fd);
91 if (!omx_screen) {
92 close(drm_fd);
93 goto error;
94 }
95 } else {
96 omx_display = XOpenDisplay(NULL);
97 if (!omx_display)
98 goto error;
99
100 omx_screen = vl_dri2_screen_create(omx_display, 0);
101 if (!omx_screen) {
102 XCloseDisplay(omx_display);
103 goto error;
104 }
105 }
106 }
107
108 ++omx_usecount;
109
110 pipe_mutex_unlock(omx_lock);
111 return omx_screen;
112
113 error:
114 pipe_mutex_unlock(omx_lock);
115 return NULL;
116 }
117
omx_put_screen(void)118 void omx_put_screen(void)
119 {
120 pipe_mutex_lock(omx_lock);
121 if ((--omx_usecount) == 0) {
122 omx_screen->destroy(omx_screen);
123 omx_screen = NULL;
124
125 if (omx_render_node)
126 close(drm_fd);
127 else
128 XCloseDisplay(omx_display);
129 }
130 pipe_mutex_unlock(omx_lock);
131 }
132
omx_workaround_Destructor(OMX_COMPONENTTYPE * comp)133 OMX_ERRORTYPE omx_workaround_Destructor(OMX_COMPONENTTYPE *comp)
134 {
135 omx_base_component_PrivateType* priv = (omx_base_component_PrivateType*)comp->pComponentPrivate;
136
137 priv->state = OMX_StateInvalid;
138 tsem_up(priv->messageSem);
139
140 /* wait for thread to exit */
141 pthread_join(priv->messageHandlerThread, NULL);
142
143 return omx_base_component_Destructor(comp);
144 }
145