src/gallium/state_trackers/xvmc/surface.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 Younes Manton.
   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 TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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 #include <assert.h>
  29 #include <stdio.h>
  30
  31 #include <X11/Xlibint.h>
  32
  33 #include "pipe/p_video_codec.h"
  34 #include "pipe/p_video_state.h"
  35 #include "pipe/p_state.h"
  36
  37 #include "util/u_inlines.h"
  38 #include "util/u_memory.h"
  39 #include "util/u_math.h"
  40 #include "vl/vl_winsys.h"
  41
  42 #include "xvmc_private.h"
  43
  44 static void
  45 MacroBlocksToPipe(XvMCContextPrivate *context,
  46                   XvMCSurfacePrivate *surface,
  47                   unsigned int xvmc_picture_structure,
  48                   const XvMCMacroBlock *xvmc_mb,
  49                   const XvMCBlockArray *xvmc_blocks,
  50                   struct pipe_mpeg12_macroblock *mb,
  51                   unsigned int num_macroblocks)
  52 {
  53    unsigned int i, j, k;
  54
  55    assert(xvmc_mb);
  56    assert(xvmc_blocks);
  57    assert(num_macroblocks);
  58
  59    for (; num_macroblocks > 0; --num_macroblocks) {
  60       mb->base.codec = PIPE_VIDEO_FORMAT_MPEG12;
  61       mb->x = xvmc_mb->x;
  62       mb->y = xvmc_mb->y;
  63       mb->macroblock_type = xvmc_mb->macroblock_type;
  64
  65       switch (xvmc_picture_structure) {
  66       case XVMC_FRAME_PICTURE:
  67          mb->macroblock_modes.bits.frame_motion_type = xvmc_mb->motion_type;
  68          mb->macroblock_modes.bits.field_motion_type = 0;
  69          break;
  70
  71       case XVMC_TOP_FIELD:
  72       case XVMC_BOTTOM_FIELD:
  73          mb->macroblock_modes.bits.frame_motion_type = 0;
  74          mb->macroblock_modes.bits.field_motion_type = xvmc_mb->motion_type;
  75          break;
  76
  77       default:
  78          assert(0);
  79       }
  80
  81       mb->macroblock_modes.bits.dct_type = xvmc_mb->dct_type;
  82       mb->motion_vertical_field_select = xvmc_mb->motion_vertical_field_select;
  83
  84       for (i = 0; i < 2; ++i)
  85          for (j = 0; j < 2; ++j)
  86             for (k = 0; k < 2; ++k)
  87                mb->PMV[i][j][k] = xvmc_mb->PMV[i][j][k];
  88
  89       mb->coded_block_pattern = xvmc_mb->coded_block_pattern;
  90       mb->blocks = xvmc_blocks->blocks + xvmc_mb->index * BLOCK_SIZE_SAMPLES;
  91       mb->num_skipped_macroblocks = 0;
  92
  93       ++xvmc_mb;
  94       ++mb;
  95    }
  96 }
  97
  98 static void
  99 GetPictureDescription(XvMCSurfacePrivate *surface, struct pipe_mpeg12_picture_desc *desc)
 100 {
 101    unsigned i, num_refs = 0;
 102
 103    assert(surface && desc);
 104
 105    memset(desc, 0, sizeof(*desc));
 106    desc->base.profile = PIPE_VIDEO_PROFILE_MPEG1;
 107    desc->picture_structure = surface->picture_structure;
 108    for (i = 0; i < 2; ++i) {
 109       if (surface->ref[i]) {
 110          XvMCSurfacePrivate *ref = surface->ref[i]->privData;
 111
 112          if (ref)
 113             desc->ref[num_refs++] = ref->video_buffer;
 114       }
 115    }
 116 }
 117
 118 static void
 119 RecursiveEndFrame(XvMCSurfacePrivate *surface)
 120 {
 121    XvMCContextPrivate *context_priv;
 122    unsigned i;
 123
 124    assert(surface);
 125
 126    context_priv = surface->context->privData;
 127
 128    for ( i = 0; i < 2; ++i ) {
 129       if (surface->ref[i]) {
 130          XvMCSurface *ref = surface->ref[i];
 131
 132          assert(ref);
 133
 134          surface->ref[i] = NULL;
 135          RecursiveEndFrame(ref->privData);
 136          surface->ref[i] = ref;
 137       }
 138    }
 139
 140    if (surface->picture_structure) {
 141       struct pipe_mpeg12_picture_desc desc;
 142       GetPictureDescription(surface, &desc);
 143       surface->picture_structure = 0;
 144
 145       for (i = 0; i < 2; ++i)
 146          surface->ref[i] = NULL;
 147
 148       context_priv->decoder->end_frame(context_priv->decoder, surface->video_buffer, &desc.base);
 149    }
 150 }
 151
 152 PUBLIC
 153 Status XvMCCreateSurface(Display *dpy, XvMCContext *context, XvMCSurface *surface)
 154 {
 155    XvMCContextPrivate *context_priv;
 156    struct pipe_context *pipe;
 157    XvMCSurfacePrivate *surface_priv;
 158    struct pipe_video_buffer tmpl;
 159
 160    XVMC_MSG(XVMC_TRACE, "[XvMC] Creating surface %p.\n", surface);
 161
 162    assert(dpy);
 163
 164    if (!context)
 165       return XvMCBadContext;
 166    if (!surface)
 167       return XvMCBadSurface;
 168
 169    context_priv = context->privData;
 170    pipe = context_priv->pipe;
 171
 172    surface_priv = CALLOC(1, sizeof(XvMCSurfacePrivate));
 173    if (!surface_priv)
 174       return BadAlloc;
 175
 176    memset(&tmpl, 0, sizeof(tmpl));
 177    tmpl.buffer_format = pipe->screen->get_video_param
 178    (
 179       pipe->screen,
 180       context_priv->decoder->profile,
 181       context_priv->decoder->entrypoint,
 182       PIPE_VIDEO_CAP_PREFERED_FORMAT
 183    );
 184    tmpl.chroma_format = context_priv->decoder->chroma_format;
 185    tmpl.width = context_priv->decoder->width;
 186    tmpl.height = context_priv->decoder->height;
 187    tmpl.interlaced = pipe->screen->get_video_param
 188    (
 189       pipe->screen,
 190       context_priv->decoder->profile,
 191       context_priv->decoder->entrypoint,
 192       PIPE_VIDEO_CAP_PREFERS_INTERLACED
 193    );
 194
 195    surface_priv->video_buffer = pipe->create_video_buffer(pipe, &tmpl);
 196    if (!surface_priv->video_buffer) {
 197       FREE(surface_priv);
 198       return BadAlloc;
 199    }
 200    surface_priv->context = context;
 201
 202    surface->surface_id = XAllocID(dpy);
 203    surface->context_id = context->context_id;
 204    surface->surface_type_id = context->surface_type_id;
 205    surface->width = context->width;
 206    surface->height = context->height;
 207    surface->privData = surface_priv;
 208
 209    SyncHandle();
 210
 211    XVMC_MSG(XVMC_TRACE, "[XvMC] Surface %p created.\n", surface);
 212
 213    return Success;
 214 }
 215
 216 PUBLIC
 217 Status XvMCRenderSurface(Display *dpy, XvMCContext *context, unsigned int picture_structure,
 218                          XvMCSurface *target_surface, XvMCSurface *past_surface, XvMCSurface *future_surface,
 219                          unsigned int flags, unsigned int num_macroblocks, unsigned int first_macroblock,
 220                          XvMCMacroBlockArray *macroblocks, XvMCBlockArray *blocks
 221 )
 222 {
 223    struct pipe_mpeg12_macroblock mb[num_macroblocks];
 224    struct pipe_video_codec *decoder;
 225    struct pipe_mpeg12_picture_desc desc;
 226
 227    XvMCContextPrivate *context_priv;
 228    XvMCSurfacePrivate *target_surface_priv;
 229    XvMCSurfacePrivate *past_surface_priv;
 230    XvMCSurfacePrivate *future_surface_priv;
 231    XvMCMacroBlock *xvmc_mb;
 232
 233    XVMC_MSG(XVMC_TRACE, "[XvMC] Rendering to surface %p, with past %p and future %p\n",
 234             target_surface, past_surface, future_surface);
 235
 236    assert(dpy);
 237
 238    if (!context || !context->privData)
 239       return XvMCBadContext;
 240    if (!target_surface || !target_surface->privData)
 241       return XvMCBadSurface;
 242
 243    if (picture_structure != XVMC_TOP_FIELD &&
 244        picture_structure != XVMC_BOTTOM_FIELD &&
 245        picture_structure != XVMC_FRAME_PICTURE)
 246       return BadValue;
 247    /* Bkwd pred equivalent to fwd (past && !future) */
 248    if (future_surface && !past_surface)
 249       return BadMatch;
 250
 251    assert(context->context_id == target_surface->context_id);
 252    assert(!past_surface || context->context_id == past_surface->context_id);
 253    assert(!future_surface || context->context_id == future_surface->context_id);
 254
 255    assert(macroblocks);
 256    assert(blocks);
 257
 258    assert(macroblocks->context_id == context->context_id);
 259    assert(blocks->context_id == context->context_id);
 260
 261    assert(flags == 0 || flags == XVMC_SECOND_FIELD);
 262
 263    context_priv = context->privData;
 264    decoder = context_priv->decoder;
 265
 266    target_surface_priv = target_surface->privData;
 267    past_surface_priv = past_surface ? past_surface->privData : NULL;
 268    future_surface_priv = future_surface ? future_surface->privData : NULL;
 269
 270    assert(target_surface_priv->context == context);
 271    assert(!past_surface || past_surface_priv->context == context);
 272    assert(!future_surface || future_surface_priv->context == context);
 273
 274    // call end frame on all referenced frames
 275    if (past_surface)
 276       RecursiveEndFrame(past_surface->privData);
 277
 278    if (future_surface)
 279       RecursiveEndFrame(future_surface->privData);
 280
 281    xvmc_mb = macroblocks->macro_blocks + first_macroblock;
 282
 283    /* If the surface we're rendering hasn't changed the ref frames shouldn't change. */
 284    if (target_surface_priv->picture_structure > 0 && (
 285        target_surface_priv->picture_structure != picture_structure ||
 286        target_surface_priv->ref[0] != past_surface ||
 287        target_surface_priv->ref[1] != future_surface ||
 288        (xvmc_mb->x == 0 && xvmc_mb->y == 0))) {
 289
 290       // If they change anyway we must assume that the current frame is ended
 291       RecursiveEndFrame(target_surface_priv);
 292    }
 293
 294    target_surface_priv->ref[0] = past_surface;
 295    target_surface_priv->ref[1] = future_surface;
 296
 297    if (target_surface_priv->picture_structure)
 298       GetPictureDescription(target_surface_priv, &desc);
 299    else {
 300       target_surface_priv->picture_structure = picture_structure;
 301       GetPictureDescription(target_surface_priv, &desc);
 302       decoder->begin_frame(decoder, target_surface_priv->video_buffer, &desc.base);
 303    }
 304
 305    MacroBlocksToPipe(context_priv, target_surface_priv, picture_structure,
 306                      xvmc_mb, blocks, mb, num_macroblocks);
 307
 308    context_priv->decoder->decode_macroblock(context_priv->decoder,
 309                                             target_surface_priv->video_buffer,
 310                                             &desc.base,
 311                                             &mb[0].base, num_macroblocks);
 312
 313    XVMC_MSG(XVMC_TRACE, "[XvMC] Submitted surface %p for rendering.\n", target_surface);
 314
 315    return Success;
 316 }
 317
 318 PUBLIC
 319 Status XvMCFlushSurface(Display *dpy, XvMCSurface *surface)
 320 {
 321    assert(dpy);
 322
 323    if (!surface)
 324       return XvMCBadSurface;
 325
 326    // don't call flush here, because this is usually
 327    // called once for every slice instead of every frame
 328
 329    XVMC_MSG(XVMC_TRACE, "[XvMC] Flushing surface %p\n", surface);
 330
 331    return Success;
 332 }
 333
 334 PUBLIC
 335 Status XvMCSyncSurface(Display *dpy, XvMCSurface *surface)
 336 {
 337    assert(dpy);
 338
 339    if (!surface)
 340       return XvMCBadSurface;
 341
 342    XVMC_MSG(XVMC_TRACE, "[XvMC] Syncing surface %p\n", surface);
 343
 344    return Success;
 345 }
 346
 347 PUBLIC
 348 Status XvMCPutSurface(Display *dpy, XvMCSurface *surface, Drawable drawable,
 349                       short srcx, short srcy, unsigned short srcw, unsigned short srch,
 350                       short destx, short desty, unsigned short destw, unsigned short desth,
 351                       int flags)
 352 {
 353    static int dump_window = -1;
 354
 355    struct pipe_context *pipe;
 356    struct vl_compositor *compositor;
 357    struct vl_compositor_state *cstate;
 358
 359    XvMCSurfacePrivate *surface_priv;
 360    XvMCContextPrivate *context_priv;
 361    XvMCSubpicturePrivate *subpicture_priv;
 362    XvMCContext *context;
 363    struct u_rect src_rect = {srcx, srcx + srcw, srcy, srcy + srch};
 364    struct u_rect dst_rect = {destx, destx + destw, desty, desty + desth};
 365
 366    struct pipe_resource *tex;
 367    struct pipe_surface surf_templ, *surf;
 368    struct u_rect *dirty_area;
 369
 370    XVMC_MSG(XVMC_TRACE, "[XvMC] Displaying surface %p.\n", surface);
 371
 372    assert(dpy);
 373
 374    if (!surface || !surface->privData)
 375       return XvMCBadSurface;
 376
 377    surface_priv = surface->privData;
 378    context = surface_priv->context;
 379    context_priv = context->privData;
 380
 381    assert(flags == XVMC_TOP_FIELD || flags == XVMC_BOTTOM_FIELD || flags == XVMC_FRAME_PICTURE);
 382    assert(srcx + srcw - 1 < surface->width);
 383    assert(srcy + srch - 1 < surface->height);
 384
 385    subpicture_priv = surface_priv->subpicture ? surface_priv->subpicture->privData : NULL;
 386    pipe = context_priv->pipe;
 387    compositor = &context_priv->compositor;
 388    cstate = &context_priv->cstate;
 389
 390    tex = vl_screen_texture_from_drawable(context_priv->vscreen, drawable);
 391    dirty_area = vl_screen_get_dirty_area(context_priv->vscreen);
 392
 393    memset(&surf_templ, 0, sizeof(surf_templ));
 394    surf_templ.format = tex->format;
 395    surf = pipe->create_surface(pipe, tex, &surf_templ);
 396
 397    if (!surf)
 398       return BadDrawable;
 399
 400    /*
 401     * Some apps (mplayer) hit these asserts because they call
 402     * this function after the window has been resized by the WM
 403     * but before they've handled the corresponding XEvent and
 404     * know about the new dimensions. The output should be clipped
 405     * until the app updates destw and desth.
 406     */
 407    /*
 408    assert(destx + destw - 1 < drawable_surface->width);
 409    assert(desty + desth - 1 < drawable_surface->height);
 410     */
 411
 412    RecursiveEndFrame(surface_priv);
 413
 414    context_priv->decoder->flush(context_priv->decoder);
 415
 416    vl_compositor_clear_layers(cstate);
 417    vl_compositor_set_buffer_layer(cstate, compositor, 0, surface_priv->video_buffer,
 418                                   &src_rect, NULL, VL_COMPOSITOR_WEAVE);
 419
 420    if (subpicture_priv) {
 421       XVMC_MSG(XVMC_TRACE, "[XvMC] Surface %p has subpicture %p.\n", surface, surface_priv->subpicture);
 422
 423       assert(subpicture_priv->surface == surface);
 424
 425       if (subpicture_priv->palette)
 426          vl_compositor_set_palette_layer(cstate, compositor, 1, subpicture_priv->sampler, subpicture_priv->palette,
 427                                          &subpicture_priv->src_rect, &subpicture_priv->dst_rect, true);
 428       else
 429          vl_compositor_set_rgba_layer(cstate, compositor, 1, subpicture_priv->sampler,
 430                                       &subpicture_priv->src_rect, &subpicture_priv->dst_rect, NULL);
 431
 432       surface_priv->subpicture = NULL;
 433       subpicture_priv->surface = NULL;
 434    }
 435
 436    // Workaround for r600g, there seems to be a bug in the fence refcounting code
 437    pipe->screen->fence_reference(pipe->screen, &surface_priv->fence, NULL);
 438
 439    vl_compositor_set_layer_dst_area(cstate, 0, &dst_rect);
 440    vl_compositor_set_layer_dst_area(cstate, 1, &dst_rect);
 441    vl_compositor_render(cstate, compositor, surf, dirty_area, true);
 442
 443    pipe->flush(pipe, &surface_priv->fence, 0);
 444
 445    XVMC_MSG(XVMC_TRACE, "[XvMC] Submitted surface %p for display. Pushing to front buffer.\n", surface);
 446
 447    pipe->screen->flush_frontbuffer
 448    (
 449       pipe->screen, tex, 0, 0,
 450       vl_screen_get_private(context_priv->vscreen)
 451    );
 452
 453    if(dump_window == -1) {
 454       dump_window = debug_get_num_option("XVMC_DUMP", 0);
 455    }
 456
 457    if(dump_window) {
 458       static unsigned int framenum = 0;
 459       char cmd[256];
 460
 461       sprintf(cmd, "xwd -id %d -out xvmc_frame_%08d.xwd", (int)drawable, ++framenum);
 462       if (system(cmd) != 0)
 463          XVMC_MSG(XVMC_ERR, "[XvMC] Dumping surface %p failed.\n", surface);
 464    }
 465
 466    XVMC_MSG(XVMC_TRACE, "[XvMC] Pushed surface %p to front buffer.\n", surface);
 467
 468    return Success;
 469 }
 470
 471 PUBLIC
 472 Status XvMCGetSurfaceStatus(Display *dpy, XvMCSurface *surface, int *status)
 473 {
 474    struct pipe_context *pipe;
 475    XvMCSurfacePrivate *surface_priv;
 476    XvMCContextPrivate *context_priv;
 477
 478    assert(dpy);
 479
 480    if (!surface)
 481       return XvMCBadSurface;
 482
 483    assert(status);
 484
 485    surface_priv = surface->privData;
 486    context_priv = surface_priv->context->privData;
 487    pipe = context_priv->pipe;
 488
 489    *status = 0;
 490
 491    if (surface_priv->fence)
 492       if (!pipe->screen->fence_signalled(pipe->screen, surface_priv->fence))
 493          *status |= XVMC_RENDERING;
 494
 495    return Success;
 496 }
 497
 498 PUBLIC
 499 Status XvMCDestroySurface(Display *dpy, XvMCSurface *surface)
 500 {
 501    XvMCSurfacePrivate *surface_priv;
 502    XvMCContextPrivate *context_priv;
 503
 504    XVMC_MSG(XVMC_TRACE, "[XvMC] Destroying surface %p.\n", surface);
 505
 506    assert(dpy);
 507
 508    if (!surface || !surface->privData)
 509       return XvMCBadSurface;
 510
 511    surface_priv = surface->privData;
 512    context_priv = surface_priv->context->privData;
 513
 514    if (surface_priv->picture_structure) {
 515       struct pipe_mpeg12_picture_desc desc;
 516       GetPictureDescription(surface_priv, &desc);
 517       context_priv->decoder->end_frame(context_priv->decoder, surface_priv->video_buffer, &desc.base);
 518    }
 519    surface_priv->video_buffer->destroy(surface_priv->video_buffer);
 520    FREE(surface_priv);
 521    surface->privData = NULL;
 522
 523    XVMC_MSG(XVMC_TRACE, "[XvMC] Surface %p destroyed.\n", surface);
 524
 525    return Success;
 526 }
 527
 528 PUBLIC
 529 Status XvMCHideSurface(Display *dpy, XvMCSurface *surface)
 530 {
 531    assert(dpy);
 532
 533    if (!surface || !surface->privData)
 534       return XvMCBadSurface;
 535
 536    /* No op, only for overlaid rendering */
 537
 538    return Success;
 539 }