summaryrefslogtreecommitdiff
path: root/va/android/va_android.cpp
blob: 4eb90a29ddcb272126c3fa9711438ed14b2673ed (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
/*
 * Copyright (c) 2007 Intel Corporation. All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 * 
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
 * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#define _GNU_SOURCE 1
#include "va.h"
#include "va_backend.h"
#include "va_android.h"
#include "va_dricommon.h" /* needs some helper functions from this file */
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <dlfcn.h>
#include <errno.h>
#ifndef ANDROID
#include <libudev.h>
#include "drmtest.h"
#endif

#define CHECK_SYMBOL(func) { if (!func) printf("func %s not found\n", #func); return VA_STATUS_ERROR_UNKNOWN; }
#define DEVICE_NAME "/dev/card0"

static VADisplayContextP pDisplayContexts = NULL;

static int open_device (char *dev_name)
{
    struct stat st;
    int fd;

    if (-1 == stat (dev_name, &st))
    {
        printf ("Cannot identify '%s': %d, %s\n",
                dev_name, errno, strerror (errno));
        return -1;
    }

    if (!S_ISCHR (st.st_mode))
    {
        printf ("%s is no device\n", dev_name);
        return -1;
    }

    fd = open (dev_name, O_RDWR);

    if (-1 == fd)
    {
        fprintf (stderr, "Cannot open '%s': %d, %s\n",
                 dev_name, errno, strerror (errno));
        return -1;
    }

    return fd;
}

static int va_DisplayContextIsValid (
    VADisplayContextP pDisplayContext
                                  )
{
    VADisplayContextP ctx = pDisplayContexts;

    while (ctx)
    {
	if (ctx == pDisplayContext && pDisplayContext->pDriverContext)
	    return 1;
	ctx = ctx->pNext;
    }
    return 0;
}

static void va_DisplayContextDestroy (
    VADisplayContextP pDisplayContext
)
{
    VADisplayContextP *ctx = &pDisplayContexts;

    /* Throw away pDisplayContext */
    while (*ctx)
    {
	if (*ctx == pDisplayContext)
	{
	    *ctx = pDisplayContext->pNext;
	    pDisplayContext->pNext = NULL;
	    break;
	}
	ctx = &((*ctx)->pNext);
    }
    free(pDisplayContext->pDriverContext->dri_state);
    free(pDisplayContext->pDriverContext);
    free(pDisplayContext);
}

#ifdef ANDROID
static VAStatus va_DisplayContextGetDriverName (
    VADisplayContextP pDisplayContext,
    char **driver_name
)
{
    VADriverContextP ctx = pDisplayContext->pDriverContext;
    struct dri_state *dri_state = (struct dri_state *)ctx->dri_state;
    char *driver_name_env;
    int vendor_id, device_id;
    
    struct {
        int vendor_id;
        int device_id;
        char driver_name[64];
    } devices[] = {
        { 0x8086, 0x4100, "pvr" },
        { 0x8086, 0x0130, "pvr" },
        { 0x0,    0x0,    "\0" },
    };

    memset(dri_state, 0, sizeof(*dri_state));
    dri_state->fd = open_device(DEVICE_NAME);
    
    if (dri_state->fd < 0) {
        fprintf(stderr,"can't open DRM devices\n");
        return VA_STATUS_ERROR_UNKNOWN;
    }

    /* TBD: other vendor driver names */
    vendor_id = devices[0].vendor_id;
    device_id = devices[0].device_id;
    *driver_name = strdup(devices[0].driver_name);
        
    dri_state->driConnectedFlag = VA_DUMMY;
    
    return VA_STATUS_SUCCESS;
}
#else
static VAStatus va_DisplayContextGetDriverName (
    VADisplayContextP pDisplayContext,
    char **driver_name
)
{
    VADriverContextP ctx = pDisplayContext->pDriverContext;
    struct dri_state *dri_state = (struct dri_state *)ctx->dri_state;
    char *driver_name_env;
    int vendor_id, device_id;
    int i = 0;
    
    struct {
        int vendor_id;
        int device_id;
        char driver_name[64];
    } devices[] = {
        { 0x8086, 0x4100, "pvr" },
        { 0x8086, 0x0130, "pvr" },
        { 0x0,    0x0,    "\0" },
    };

    memset(dri_state, 0, sizeof(*dri_state));
    dri_state->fd = drm_open_any(&vendor_id, &device_id);
    
    if (dri_state->fd < 0) {
        fprintf(stderr,"can't open DRM devices\n");
        return VA_STATUS_ERROR_UNKNOWN;
    }
    
    /* TBD: other vendor driver names */

    while (devices[i].device_id != 0) {
        if ((devices[i].vendor_id == vendor_id) &&
            (devices[i].device_id == device_id))
            break;
        i++;
    }

    if (devices[i].device_id != 0)
        *driver_name = strdup(devices[i].driver_name);
    else {
        fprintf(stderr,"device (0x%04x:0x%04x) is not supported\n",
                vendor_id, device_id);
        
        return VA_STATUS_ERROR_UNKNOWN;
    }            

    printf("DRM device is opened, loading driver %s for device 0x%04x:0x%04x\n",
           driver_name, vendor_id, device_id);
    
    dri_state->driConnectedFlag = VA_DUMMY;
    
    return VA_STATUS_SUCCESS;
}
#endif

VADisplay vaGetDisplay (
    void *native_dpy /* implementation specific */
)
{
    VADisplay dpy = NULL;
    VADisplayContextP pDisplayContext = pDisplayContexts;

    if (!native_dpy)
        return NULL;

    while (pDisplayContext)
    {
        if (pDisplayContext->pDriverContext &&
            pDisplayContext->pDriverContext->native_dpy == (void *)native_dpy)
        {
            dpy = (VADisplay)pDisplayContext;
            break;
        }
        pDisplayContext = pDisplayContext->pNext;
    }


    if (!dpy)
    {
        /* create new entry */
        VADriverContextP pDriverContext;
        struct dri_state *dri_state;
        pDisplayContext = (VADisplayContextP)calloc(1, sizeof(*pDisplayContext));
        pDriverContext  = (VADriverContextP)calloc(1, sizeof(*pDriverContext));
        dri_state       = (struct dri_state*)calloc(1, sizeof(*dri_state));
        if (pDisplayContext && pDriverContext && dri_state)
        {
            pDisplayContext->vadpy_magic = VA_DISPLAY_MAGIC;          

            pDriverContext->native_dpy       = (void *)native_dpy;
            pDisplayContext->pNext           = pDisplayContexts;
            pDisplayContext->pDriverContext  = pDriverContext;
            pDisplayContext->vaIsValid       = va_DisplayContextIsValid;
            pDisplayContext->vaDestroy       = va_DisplayContextDestroy;
            pDisplayContext->vaGetDriverName = va_DisplayContextGetDriverName;
            pDisplayContexts                 = pDisplayContext;
            pDriverContext->dri_state 	   = dri_state;
            dpy                              = (VADisplay)pDisplayContext;
        }
        else
        {
            if (pDisplayContext)
                free(pDisplayContext);
            if (pDriverContext)
                free(pDriverContext);
            if (dri_state)
                free(dri_state);
        }
    }
  
    return dpy;
}

#define CTX(dpy) (((VADisplayContextP)dpy)->pDriverContext)
#define CHECK_DISPLAY(dpy) if( !vaDisplayIsValid(dpy) ) { return VA_STATUS_ERROR_INVALID_DISPLAY; }


#ifdef ANDROID
VAStatus vaPutSurface (
    VADisplay dpy,
    VASurfaceID surface,
    sp<ISurface> draw, /* Android Surface/Window */
    short srcx,
    short srcy,
    unsigned short srcw,
    unsigned short srch,
    short destx,
    short desty,
    unsigned short destw,
    unsigned short desth,
    VARectangle *cliprects, /* client supplied clip list */
    unsigned int number_cliprects, /* number of clip rects in the clip list */
    unsigned int flags /* de-interlacing flags */
)
{
    VADriverContextP ctx;

    CHECK_DISPLAY(dpy);
    ctx = CTX(dpy);
    return ctx->vtable.vaPutSurface( ctx, surface, static_cast<void*>(&draw), srcx, srcy, srcw, srch, 
                                     destx, desty, destw, desth,
                                     cliprects, number_cliprects, flags );
}
#endif