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_decoder.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_CODEC_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       PIPE_VIDEO_PROFILE_MPEG2_MAIN,
 181       PIPE_VIDEO_CAP_PREFERED_FORMAT
 182    );
 183    tmpl.chroma_format = context_priv->decoder->chroma_format;
 184    tmpl.width = context_priv->decoder->width;
 185    tmpl.height = context_priv->decoder->height;
 186    tmpl.interlaced = pipe->screen->get_video_param
 187    (
 188       pipe->screen,
 189       PIPE_VIDEO_PROFILE_MPEG2_MAIN,
 190       PIPE_VIDEO_CAP_PREFERS_INTERLACED
 191    );
 192
 193    surface_priv->video_buffer = pipe->create_video_buffer(pipe, &tmpl);
 194    surface_priv->context = context;
 195
 196    surface->surface_id = XAllocID(dpy);
 197    surface->context_id = context->context_id;
 198    surface->surface_type_id = context->surface_type_id;
 199    surface->width = context->width;
 200    surface->height = context->height;
 201    surface->privData = surface_priv;
 202
 203    SyncHandle();
 204
 205    XVMC_MSG(XVMC_TRACE, "[XvMC] Surface %p created.\n", surface);
 206
 207    return Success;
 208 }
 209
 210 PUBLIC
 211 Status XvMCRenderSurface(Display *dpy, XvMCContext *context, unsigned int picture_structure,
 212                          XvMCSurface *target_surface, XvMCSurface *past_surface, XvMCSurface *future_surface,
 213                          unsigned int flags, unsigned int num_macroblocks, unsigned int first_macroblock,
 214                          XvMCMacroBlockArray *macroblocks, XvMCBlockArray *blocks
 215 )
 216 {
 217    struct pipe_mpeg12_macroblock mb[num_macroblocks];
 218    struct pipe_video_decoder *decoder;
 219    struct pipe_mpeg12_picture_desc desc;
 220
 221    XvMCContextPrivate *context_priv;
 222    XvMCSurfacePrivate *target_surface_priv;
 223    XvMCSurfacePrivate *past_surface_priv;
 224    XvMCSurfacePrivate *future_surface_priv;
 225    XvMCMacroBlock *xvmc_mb;
 226
 227    XVMC_MSG(XVMC_TRACE, "[XvMC] Rendering to surface %p, with past %p and future %p\n",
 228             target_surface, past_surface, future_surface);
 229
 230    assert(dpy);
 231
 232    if (!context || !context->privData)
 233       return XvMCBadContext;
 234    if (!target_surface || !target_surface->privData)
 235       return XvMCBadSurface;
 236
 237    if (picture_structure != XVMC_TOP_FIELD &&
 238        picture_structure != XVMC_BOTTOM_FIELD &&
 239        picture_structure != XVMC_FRAME_PICTURE)
 240       return BadValue;
 241    /* Bkwd pred equivalent to fwd (past && !future) */
 242    if (future_surface && !past_surface)
 243       return BadMatch;
 244
 245    assert(context->context_id == target_surface->context_id);
 246    assert(!past_surface || context->context_id == past_surface->context_id);
 247    assert(!future_surface || context->context_id == future_surface->context_id);
 248
 249    assert(macroblocks);
 250    assert(blocks);
 251
 252    assert(macroblocks->context_id == context->context_id);
 253    assert(blocks->context_id == context->context_id);
 254
 255    assert(flags == 0 || flags == XVMC_SECOND_FIELD);
 256
 257    context_priv = context->privData;
 258    decoder = context_priv->decoder;
 259
 260    target_surface_priv = target_surface->privData;
 261    past_surface_priv = past_surface ? past_surface->privData : NULL;
 262    future_surface_priv = future_surface ? future_surface->privData : NULL;
 263
 264    assert(target_surface_priv->context == context);
 265    assert(!past_surface || past_surface_priv->context == context);
 266    assert(!future_surface || future_surface_priv->context == context);
 267
 268    // call end frame on all referenced frames
 269    if (past_surface)
 270       RecursiveEndFrame(past_surface->privData);
 271
 272    if (future_surface)
 273       RecursiveEndFrame(future_surface->privData);
 274
 275    xvmc_mb = macroblocks->macro_blocks + first_macroblock;
 276
 277    /* If the surface we're rendering hasn't changed the ref frames shouldn't change. */
 278    if (target_surface_priv->picture_structure > 0 && (
 279        target_surface_priv->picture_structure != picture_structure ||
 280        target_surface_priv->ref[0] != past_surface ||
 281        target_surface_priv->ref[1] != future_surface ||
 282        (xvmc_mb->x == 0 && xvmc_mb->y == 0))) {
 283
 284       // If they change anyway we must assume that the current frame is ended
 285       RecursiveEndFrame(target_surface_priv);
 286    }
 287
 288    target_surface_priv->ref[0] = past_surface;
 289    target_surface_priv->ref[1] = future_surface;
 290
 291    if (target_surface_priv->picture_structure)
 292       GetPictureDescription(target_surface_priv, &desc);
 293    else {
 294       target_surface_priv->picture_structure = picture_structure;
 295       GetPictureDescription(target_surface_priv, &desc);
 296       decoder->begin_frame(decoder, target_surface_priv->video_buffer, &desc.base);
 297    }
 298
 299    MacroBlocksToPipe(context_priv, target_surface_priv, picture_structure,
 300                      xvmc_mb, blocks, mb, num_macroblocks);
 301
 302    context_priv->decoder->decode_macroblock(context_priv->decoder,
 303                                             target_surface_priv->video_buffer,
 304                                             &desc.base,
 305                                             &mb[0].base, num_macroblocks);
 306
 307    XVMC_MSG(XVMC_TRACE, "[XvMC] Submitted surface %p for rendering.\n", target_surface);
 308
 309    return Success;
 310 }
 311
 312 PUBLIC
 313 Status XvMCFlushSurface(Display *dpy, XvMCSurface *surface)
 314 {
 315    assert(dpy);
 316
 317    if (!surface)
 318       return XvMCBadSurface;
 319
 320    // don't call flush here, because this is usually
 321    // called once for every slice instead of every frame
 322
 323    XVMC_MSG(XVMC_TRACE, "[XvMC] Flushing surface %p\n", surface);
 324
 325    return Success;
 326 }
 327
 328 PUBLIC
 329 Status XvMCSyncSurface(Display *dpy, XvMCSurface *surface)
 330 {
 331    assert(dpy);
 332
 333    if (!surface)
 334       return XvMCBadSurface;
 335
 336    XVMC_MSG(XVMC_TRACE, "[XvMC] Syncing surface %p\n", surface);
 337
 338    return Success;
 339 }
 340
 341 PUBLIC
 342 Status XvMCPutSurface(Display *dpy, XvMCSurface *surface, Drawable drawable,
 343                       short srcx, short srcy, unsigned short srcw, unsigned short srch,
 344                       short destx, short desty, unsigned short destw, unsigned short desth,
 345                       int flags)
 346 {
 347    static int dump_window = -1;
 348
 349    struct pipe_context *pipe;
 350    struct vl_compositor *compositor;
 351    struct vl_compositor_state *cstate;
 352
 353    XvMCSurfacePrivate *surface_priv;
 354    XvMCContextPrivate *context_priv;
 355    XvMCSubpicturePrivate *subpicture_priv;
 356    XvMCContext *context;
 357    struct u_rect src_rect = {srcx, srcx + srcw, srcy, srcy + srch};
 358    struct u_rect dst_rect = {destx, destx + destw, desty, desty + desth};
 359
 360    struct pipe_resource *tex;
 361    struct pipe_surface surf_templ, *surf;
 362    struct u_rect *dirty_area;
 363
 364    XVMC_MSG(XVMC_TRACE, "[XvMC] Displaying surface %p.\n", surface);
 365
 366    assert(dpy);
 367
 368    if (!surface || !surface->privData)
 369       return XvMCBadSurface;
 370
 371    surface_priv = surface->privData;
 372    context = surface_priv->context;
 373    context_priv = context->privData;
 374
 375    assert(flags == XVMC_TOP_FIELD || flags == XVMC_BOTTOM_FIELD || flags == XVMC_FRAME_PICTURE);
 376    assert(srcx + srcw - 1 < surface->width);
 377    assert(srcy + srch - 1 < surface->height);
 378
 379    subpicture_priv = surface_priv->subpicture ? surface_priv->subpicture->privData : NULL;
 380    pipe = context_priv->pipe;
 381    compositor = &context_priv->compositor;
 382    cstate = &context_priv->cstate;
 383
 384    tex = vl_screen_texture_from_drawable(context_priv->vscreen, drawable);
 385    dirty_area = vl_screen_get_dirty_area(context_priv->vscreen);
 386
 387    memset(&surf_templ, 0, sizeof(surf_templ));
 388    surf_templ.format = tex->format;
 389    surf = pipe->create_surface(pipe, tex, &surf_templ);
 390
 391    if (!surf)
 392       return BadDrawable;
 393
 394    /*
 395     * Some apps (mplayer) hit these asserts because they call
 396     * this function after the window has been resized by the WM
 397     * but before they've handled the corresponding XEvent and
 398     * know about the new dimensions. The output should be clipped
 399     * until the app updates destw and desth.
 400     */
 401    /*
 402    assert(destx + destw - 1 < drawable_surface->width);
 403    assert(desty + desth - 1 < drawable_surface->height);
 404     */
 405
 406    RecursiveEndFrame(surface_priv);
 407
 408    context_priv->decoder->flush(context_priv->decoder);
 409
 410    vl_compositor_clear_layers(cstate);
 411    vl_compositor_set_buffer_layer(cstate, compositor, 0, surface_priv->video_buffer,
 412                                   &src_rect, NULL, VL_COMPOSITOR_WEAVE);
 413
 414    if (subpicture_priv) {
 415       XVMC_MSG(XVMC_TRACE, "[XvMC] Surface %p has subpicture %p.\n", surface, surface_priv->subpicture);
 416
 417       assert(subpicture_priv->surface == surface);
 418
 419       if (subpicture_priv->palette)
 420          vl_compositor_set_palette_layer(cstate, compositor, 1, subpicture_priv->sampler, subpicture_priv->palette,
 421                                          &subpicture_priv->src_rect, &subpicture_priv->dst_rect, true);
 422       else
 423          vl_compositor_set_rgba_layer(cstate, compositor, 1, subpicture_priv->sampler,
 424                                       &subpicture_priv->src_rect, &subpicture_priv->dst_rect, NULL);
 425
 426       surface_priv->subpicture = NULL;
 427       subpicture_priv->surface = NULL;
 428    }
 429
 430    // Workaround for r600g, there seems to be a bug in the fence refcounting code
 431    pipe->screen->fence_reference(pipe->screen, &surface_priv->fence, NULL);
 432
 433    vl_compositor_set_layer_dst_area(cstate, 0, &dst_rect);
 434    vl_compositor_set_layer_dst_area(cstate, 1, &dst_rect);
 435    vl_compositor_render(cstate, compositor, surf, dirty_area, true);
 436
 437    pipe->flush(pipe, &surface_priv->fence, 0);
 438
 439    XVMC_MSG(XVMC_TRACE, "[XvMC] Submitted surface %p for display. Pushing to front buffer.\n", surface);
 440
 441    pipe->screen->flush_frontbuffer
 442    (
 443       pipe->screen, tex, 0, 0,
 444       vl_screen_get_private(context_priv->vscreen)
 445    );
 446
 447    if(dump_window == -1) {
 448       dump_window = debug_get_num_option("XVMC_DUMP", 0);
 449    }
 450
 451    if(dump_window) {
 452       static unsigned int framenum = 0;
 453       char cmd[256];
 454
 455       sprintf(cmd, "xwd -id %d -out xvmc_frame_%08d.xwd", (int)drawable, ++framenum);
 456       if (system(cmd) != 0)
 457          XVMC_MSG(XVMC_ERR, "[XvMC] Dumping surface %p failed.\n", surface);
 458    }
 459
 460    XVMC_MSG(XVMC_TRACE, "[XvMC] Pushed surface %p to front buffer.\n", surface);
 461
 462    return Success;
 463 }
 464
 465 PUBLIC
 466 Status XvMCGetSurfaceStatus(Display *dpy, XvMCSurface *surface, int *status)
 467 {
 468    struct pipe_context *pipe;
 469    XvMCSurfacePrivate *surface_priv;
 470    XvMCContextPrivate *context_priv;
 471
 472    assert(dpy);
 473
 474    if (!surface)
 475       return XvMCBadSurface;
 476
 477    assert(status);
 478
 479    surface_priv = surface->privData;
 480    context_priv = surface_priv->context->privData;
 481    pipe = context_priv->pipe;
 482
 483    *status = 0;
 484
 485    if (surface_priv->fence)
 486       if (!pipe->screen->fence_signalled(pipe->screen, surface_priv->fence))
 487          *status |= XVMC_RENDERING;
 488
 489    return Success;
 490 }
 491
 492 PUBLIC
 493 Status XvMCDestroySurface(Display *dpy, XvMCSurface *surface)
 494 {
 495    XvMCSurfacePrivate *surface_priv;
 496    XvMCContextPrivate *context_priv;
 497
 498    XVMC_MSG(XVMC_TRACE, "[XvMC] Destroying surface %p.\n", surface);
 499
 500    assert(dpy);
 501
 502    if (!surface || !surface->privData)
 503       return XvMCBadSurface;
 504
 505    surface_priv = surface->privData;
 506    context_priv = surface_priv->context->privData;
 507
 508    if (surface_priv->picture_structure) {
 509       struct pipe_mpeg12_picture_desc desc;
 510       GetPictureDescription(surface_priv, &desc);
 511       context_priv->decoder->end_frame(context_priv->decoder, surface_priv->video_buffer, &desc.base);
 512    }
 513    surface_priv->video_buffer->destroy(surface_priv->video_buffer);
 514    FREE(surface_priv);
 515    surface->privData = NULL;
 516
 517    XVMC_MSG(XVMC_TRACE, "[XvMC] Surface %p destroyed.\n", surface);
 518
 519    return Success;
 520 }
 521
 522 PUBLIC
 523 Status XvMCHideSurface(Display *dpy, XvMCSurface *surface)
 524 {
 525    assert(dpy);
 526
 527    if (!surface || !surface->privData)
 528       return XvMCBadSurface;
 529
 530    /* No op, only for overlaid rendering */
 531
 532    return Success;
 533 }