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
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
|
/**************************************************************************
*
* Copyright 2009 Younes Manton.
* 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 TUNGSTEN GRAPHICS 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.
*
**************************************************************************/
#include <assert.h>
#include <stdio.h>
#include <X11/Xlibint.h>
#include "pipe/p_video_codec.h"
#include "pipe/p_video_state.h"
#include "pipe/p_state.h"
#include "util/u_inlines.h"
#include "util/u_memory.h"
#include "util/u_math.h"
#include "vl/vl_winsys.h"
#include "xvmc_private.h"
static void
MacroBlocksToPipe(XvMCContextPrivate *context,
XvMCSurfacePrivate *surface,
unsigned int xvmc_picture_structure,
const XvMCMacroBlock *xvmc_mb,
const XvMCBlockArray *xvmc_blocks,
struct pipe_mpeg12_macroblock *mb,
unsigned int num_macroblocks)
{
unsigned int i, j, k;
assert(xvmc_mb);
assert(xvmc_blocks);
assert(num_macroblocks);
for (; num_macroblocks > 0; --num_macroblocks) {
mb->base.codec = PIPE_VIDEO_FORMAT_MPEG12;
mb->x = xvmc_mb->x;
mb->y = xvmc_mb->y;
mb->macroblock_type = xvmc_mb->macroblock_type;
switch (xvmc_picture_structure) {
case XVMC_FRAME_PICTURE:
mb->macroblock_modes.bits.frame_motion_type = xvmc_mb->motion_type;
mb->macroblock_modes.bits.field_motion_type = 0;
break;
case XVMC_TOP_FIELD:
case XVMC_BOTTOM_FIELD:
mb->macroblock_modes.bits.frame_motion_type = 0;
mb->macroblock_modes.bits.field_motion_type = xvmc_mb->motion_type;
break;
default:
assert(0);
}
mb->macroblock_modes.bits.dct_type = xvmc_mb->dct_type;
mb->motion_vertical_field_select = xvmc_mb->motion_vertical_field_select;
for (i = 0; i < 2; ++i)
for (j = 0; j < 2; ++j)
for (k = 0; k < 2; ++k)
mb->PMV[i][j][k] = xvmc_mb->PMV[i][j][k];
mb->coded_block_pattern = xvmc_mb->coded_block_pattern;
mb->blocks = xvmc_blocks->blocks + xvmc_mb->index * BLOCK_SIZE_SAMPLES;
mb->num_skipped_macroblocks = 0;
++xvmc_mb;
++mb;
}
}
static void
GetPictureDescription(XvMCSurfacePrivate *surface, struct pipe_mpeg12_picture_desc *desc)
{
unsigned i, num_refs = 0;
assert(surface && desc);
memset(desc, 0, sizeof(*desc));
desc->base.profile = PIPE_VIDEO_PROFILE_MPEG1;
desc->picture_structure = surface->picture_structure;
for (i = 0; i < 2; ++i) {
if (surface->ref[i]) {
XvMCSurfacePrivate *ref = surface->ref[i]->privData;
if (ref)
desc->ref[num_refs++] = ref->video_buffer;
}
}
}
static void
RecursiveEndFrame(XvMCSurfacePrivate *surface)
{
XvMCContextPrivate *context_priv;
unsigned i;
assert(surface);
context_priv = surface->context->privData;
for ( i = 0; i < 2; ++i ) {
if (surface->ref[i]) {
XvMCSurface *ref = surface->ref[i];
assert(ref);
surface->ref[i] = NULL;
RecursiveEndFrame(ref->privData);
surface->ref[i] = ref;
}
}
if (surface->picture_structure) {
struct pipe_mpeg12_picture_desc desc;
GetPictureDescription(surface, &desc);
surface->picture_structure = 0;
for (i = 0; i < 2; ++i)
surface->ref[i] = NULL;
context_priv->decoder->end_frame(context_priv->decoder, surface->video_buffer, &desc.base);
}
}
PUBLIC
Status XvMCCreateSurface(Display *dpy, XvMCContext *context, XvMCSurface *surface)
{
XvMCContextPrivate *context_priv;
struct pipe_context *pipe;
XvMCSurfacePrivate *surface_priv;
struct pipe_video_buffer tmpl;
XVMC_MSG(XVMC_TRACE, "[XvMC] Creating surface %p.\n", surface);
assert(dpy);
if (!context)
return XvMCBadContext;
if (!surface)
return XvMCBadSurface;
context_priv = context->privData;
pipe = context_priv->pipe;
surface_priv = CALLOC(1, sizeof(XvMCSurfacePrivate));
if (!surface_priv)
return BadAlloc;
memset(&tmpl, 0, sizeof(tmpl));
tmpl.buffer_format = pipe->screen->get_video_param
(
pipe->screen,
context_priv->decoder->profile,
context_priv->decoder->entrypoint,
PIPE_VIDEO_CAP_PREFERED_FORMAT
);
tmpl.chroma_format = context_priv->decoder->chroma_format;
tmpl.width = context_priv->decoder->width;
tmpl.height = context_priv->decoder->height;
tmpl.interlaced = pipe->screen->get_video_param
(
pipe->screen,
context_priv->decoder->profile,
context_priv->decoder->entrypoint,
PIPE_VIDEO_CAP_PREFERS_INTERLACED
);
surface_priv->video_buffer = pipe->create_video_buffer(pipe, &tmpl);
if (!surface_priv->video_buffer) {
FREE(surface_priv);
return BadAlloc;
}
surface_priv->context = context;
surface->surface_id = XAllocID(dpy);
surface->context_id = context->context_id;
surface->surface_type_id = context->surface_type_id;
surface->width = context->width;
surface->height = context->height;
surface->privData = surface_priv;
SyncHandle();
XVMC_MSG(XVMC_TRACE, "[XvMC] Surface %p created.\n", surface);
return Success;
}
PUBLIC
Status XvMCRenderSurface(Display *dpy, XvMCContext *context, unsigned int picture_structure,
XvMCSurface *target_surface, XvMCSurface *past_surface, XvMCSurface *future_surface,
unsigned int flags, unsigned int num_macroblocks, unsigned int first_macroblock,
XvMCMacroBlockArray *macroblocks, XvMCBlockArray *blocks
)
{
struct pipe_mpeg12_macroblock mb[num_macroblocks];
struct pipe_video_codec *decoder;
struct pipe_mpeg12_picture_desc desc;
XvMCContextPrivate *context_priv;
XvMCSurfacePrivate *target_surface_priv;
XvMCSurfacePrivate *past_surface_priv;
XvMCSurfacePrivate *future_surface_priv;
XvMCMacroBlock *xvmc_mb;
XVMC_MSG(XVMC_TRACE, "[XvMC] Rendering to surface %p, with past %p and future %p\n",
target_surface, past_surface, future_surface);
assert(dpy);
if (!context || !context->privData)
return XvMCBadContext;
if (!target_surface || !target_surface->privData)
return XvMCBadSurface;
if (picture_structure != XVMC_TOP_FIELD &&
picture_structure != XVMC_BOTTOM_FIELD &&
picture_structure != XVMC_FRAME_PICTURE)
return BadValue;
/* Bkwd pred equivalent to fwd (past && !future) */
if (future_surface && !past_surface)
return BadMatch;
assert(context->context_id == target_surface->context_id);
assert(!past_surface || context->context_id == past_surface->context_id);
assert(!future_surface || context->context_id == future_surface->context_id);
assert(macroblocks);
assert(blocks);
assert(macroblocks->context_id == context->context_id);
assert(blocks->context_id == context->context_id);
assert(flags == 0 || flags == XVMC_SECOND_FIELD);
context_priv = context->privData;
decoder = context_priv->decoder;
target_surface_priv = target_surface->privData;
past_surface_priv = past_surface ? past_surface->privData : NULL;
future_surface_priv = future_surface ? future_surface->privData : NULL;
assert(target_surface_priv->context == context);
assert(!past_surface || past_surface_priv->context == context);
assert(!future_surface || future_surface_priv->context == context);
// call end frame on all referenced frames
if (past_surface)
RecursiveEndFrame(past_surface->privData);
if (future_surface)
RecursiveEndFrame(future_surface->privData);
xvmc_mb = macroblocks->macro_blocks + first_macroblock;
/* If the surface we're rendering hasn't changed the ref frames shouldn't change. */
if (target_surface_priv->picture_structure > 0 && (
target_surface_priv->picture_structure != picture_structure ||
target_surface_priv->ref[0] != past_surface ||
target_surface_priv->ref[1] != future_surface ||
(xvmc_mb->x == 0 && xvmc_mb->y == 0))) {
// If they change anyway we must assume that the current frame is ended
RecursiveEndFrame(target_surface_priv);
}
target_surface_priv->ref[0] = past_surface;
target_surface_priv->ref[1] = future_surface;
if (target_surface_priv->picture_structure)
GetPictureDescription(target_surface_priv, &desc);
else {
target_surface_priv->picture_structure = picture_structure;
GetPictureDescription(target_surface_priv, &desc);
decoder->begin_frame(decoder, target_surface_priv->video_buffer, &desc.base);
}
MacroBlocksToPipe(context_priv, target_surface_priv, picture_structure,
xvmc_mb, blocks, mb, num_macroblocks);
context_priv->decoder->decode_macroblock(context_priv->decoder,
target_surface_priv->video_buffer,
&desc.base,
&mb[0].base, num_macroblocks);
XVMC_MSG(XVMC_TRACE, "[XvMC] Submitted surface %p for rendering.\n", target_surface);
return Success;
}
PUBLIC
Status XvMCFlushSurface(Display *dpy, XvMCSurface *surface)
{
assert(dpy);
if (!surface)
return XvMCBadSurface;
// don't call flush here, because this is usually
// called once for every slice instead of every frame
XVMC_MSG(XVMC_TRACE, "[XvMC] Flushing surface %p\n", surface);
return Success;
}
PUBLIC
Status XvMCSyncSurface(Display *dpy, XvMCSurface *surface)
{
assert(dpy);
if (!surface)
return XvMCBadSurface;
XVMC_MSG(XVMC_TRACE, "[XvMC] Syncing surface %p\n", surface);
return Success;
}
PUBLIC
Status XvMCPutSurface(Display *dpy, XvMCSurface *surface, Drawable drawable,
short srcx, short srcy, unsigned short srcw, unsigned short srch,
short destx, short desty, unsigned short destw, unsigned short desth,
int flags)
{
static int dump_window = -1;
struct pipe_context *pipe;
struct vl_compositor *compositor;
struct vl_compositor_state *cstate;
XvMCSurfacePrivate *surface_priv;
XvMCContextPrivate *context_priv;
XvMCSubpicturePrivate *subpicture_priv;
XvMCContext *context;
struct u_rect src_rect = {srcx, srcx + srcw, srcy, srcy + srch};
struct u_rect dst_rect = {destx, destx + destw, desty, desty + desth};
struct pipe_resource *tex;
struct pipe_surface surf_templ, *surf;
struct u_rect *dirty_area;
XVMC_MSG(XVMC_TRACE, "[XvMC] Displaying surface %p.\n", surface);
assert(dpy);
if (!surface || !surface->privData)
return XvMCBadSurface;
surface_priv = surface->privData;
context = surface_priv->context;
context_priv = context->privData;
assert(flags == XVMC_TOP_FIELD || flags == XVMC_BOTTOM_FIELD || flags == XVMC_FRAME_PICTURE);
assert(srcx + srcw - 1 < surface->width);
assert(srcy + srch - 1 < surface->height);
subpicture_priv = surface_priv->subpicture ? surface_priv->subpicture->privData : NULL;
pipe = context_priv->pipe;
compositor = &context_priv->compositor;
cstate = &context_priv->cstate;
tex = vl_screen_texture_from_drawable(context_priv->vscreen, drawable);
dirty_area = vl_screen_get_dirty_area(context_priv->vscreen);
memset(&surf_templ, 0, sizeof(surf_templ));
surf_templ.format = tex->format;
surf = pipe->create_surface(pipe, tex, &surf_templ);
if (!surf)
return BadDrawable;
/*
* Some apps (mplayer) hit these asserts because they call
* this function after the window has been resized by the WM
* but before they've handled the corresponding XEvent and
* know about the new dimensions. The output should be clipped
* until the app updates destw and desth.
*/
/*
assert(destx + destw - 1 < drawable_surface->width);
assert(desty + desth - 1 < drawable_surface->height);
*/
RecursiveEndFrame(surface_priv);
context_priv->decoder->flush(context_priv->decoder);
vl_compositor_clear_layers(cstate);
vl_compositor_set_buffer_layer(cstate, compositor, 0, surface_priv->video_buffer,
&src_rect, NULL, VL_COMPOSITOR_WEAVE);
if (subpicture_priv) {
XVMC_MSG(XVMC_TRACE, "[XvMC] Surface %p has subpicture %p.\n", surface, surface_priv->subpicture);
assert(subpicture_priv->surface == surface);
if (subpicture_priv->palette)
vl_compositor_set_palette_layer(cstate, compositor, 1, subpicture_priv->sampler, subpicture_priv->palette,
&subpicture_priv->src_rect, &subpicture_priv->dst_rect, true);
else
vl_compositor_set_rgba_layer(cstate, compositor, 1, subpicture_priv->sampler,
&subpicture_priv->src_rect, &subpicture_priv->dst_rect, NULL);
surface_priv->subpicture = NULL;
subpicture_priv->surface = NULL;
}
// Workaround for r600g, there seems to be a bug in the fence refcounting code
pipe->screen->fence_reference(pipe->screen, &surface_priv->fence, NULL);
vl_compositor_set_layer_dst_area(cstate, 0, &dst_rect);
vl_compositor_set_layer_dst_area(cstate, 1, &dst_rect);
vl_compositor_render(cstate, compositor, surf, dirty_area, true);
pipe->flush(pipe, &surface_priv->fence, 0);
XVMC_MSG(XVMC_TRACE, "[XvMC] Submitted surface %p for display. Pushing to front buffer.\n", surface);
pipe->screen->flush_frontbuffer
(
pipe->screen, tex, 0, 0,
vl_screen_get_private(context_priv->vscreen), NULL
);
if(dump_window == -1) {
dump_window = debug_get_num_option("XVMC_DUMP", 0);
}
if(dump_window) {
static unsigned int framenum = 0;
char cmd[256];
sprintf(cmd, "xwd -id %d -out xvmc_frame_%08d.xwd", (int)drawable, ++framenum);
if (system(cmd) != 0)
XVMC_MSG(XVMC_ERR, "[XvMC] Dumping surface %p failed.\n", surface);
}
XVMC_MSG(XVMC_TRACE, "[XvMC] Pushed surface %p to front buffer.\n", surface);
return Success;
}
PUBLIC
Status XvMCGetSurfaceStatus(Display *dpy, XvMCSurface *surface, int *status)
{
struct pipe_context *pipe;
XvMCSurfacePrivate *surface_priv;
XvMCContextPrivate *context_priv;
assert(dpy);
if (!surface)
return XvMCBadSurface;
assert(status);
surface_priv = surface->privData;
context_priv = surface_priv->context->privData;
pipe = context_priv->pipe;
*status = 0;
if (surface_priv->fence)
if (!pipe->screen->fence_signalled(pipe->screen, surface_priv->fence))
*status |= XVMC_RENDERING;
return Success;
}
PUBLIC
Status XvMCDestroySurface(Display *dpy, XvMCSurface *surface)
{
XvMCSurfacePrivate *surface_priv;
XvMCContextPrivate *context_priv;
XVMC_MSG(XVMC_TRACE, "[XvMC] Destroying surface %p.\n", surface);
assert(dpy);
if (!surface || !surface->privData)
return XvMCBadSurface;
surface_priv = surface->privData;
context_priv = surface_priv->context->privData;
if (surface_priv->picture_structure) {
struct pipe_mpeg12_picture_desc desc;
GetPictureDescription(surface_priv, &desc);
context_priv->decoder->end_frame(context_priv->decoder, surface_priv->video_buffer, &desc.base);
}
surface_priv->video_buffer->destroy(surface_priv->video_buffer);
FREE(surface_priv);
surface->privData = NULL;
XVMC_MSG(XVMC_TRACE, "[XvMC] Surface %p destroyed.\n", surface);
return Success;
}
PUBLIC
Status XvMCHideSurface(Display *dpy, XvMCSurface *surface)
{
assert(dpy);
if (!surface || !surface->privData)
return XvMCBadSurface;
/* No op, only for overlaid rendering */
return Success;
}
|