src/gallium/frontends/omx/vid_enc_common.c

   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 #include "vid_enc_common.h"
  29
  30 #include "vl/vl_video_buffer.h"
  31 #include "tgsi/tgsi_text.h"
  32
  33 void enc_ReleaseTasks(struct list_head *head)
  34 {
  35    struct encode_task *i, *next;
  36
  37    if (!head || !head->next)
  38       return;
  39
  40    LIST_FOR_EACH_ENTRY_SAFE(i, next, head, list) {
  41       pipe_resource_reference(&i->bitstream, NULL);
  42       i->buf->destroy(i->buf);
  43       FREE(i);
  44    }
  45 }
  46
  47 void enc_MoveTasks(struct list_head *from, struct list_head *to)
  48 {
  49    to->prev->next = from->next;
  50    from->next->prev = to->prev;
  51    from->prev->next = to;
  52    to->prev = from->prev;
  53    list_inithead(from);
  54 }
  55
  56 static void enc_GetPictureParamPreset(struct pipe_h264_enc_picture_desc *picture)
  57 {
  58    picture->motion_est.enc_disable_sub_mode = 0x000000fe;
  59    picture->motion_est.enc_ime2_search_range_x = 0x00000001;
  60    picture->motion_est.enc_ime2_search_range_y = 0x00000001;
  61    picture->pic_ctrl.enc_constraint_set_flags = 0x00000040;
  62 }
  63
  64 enum pipe_video_profile enc_TranslateOMXProfileToPipe(unsigned omx_profile)
  65 {
  66    switch (omx_profile) {
  67    case OMX_VIDEO_AVCProfileBaseline:
  68       return PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE;
  69    case OMX_VIDEO_AVCProfileMain:
  70       return PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN;
  71    case OMX_VIDEO_AVCProfileExtended:
  72       return PIPE_VIDEO_PROFILE_MPEG4_AVC_EXTENDED;
  73    case OMX_VIDEO_AVCProfileHigh:
  74       return PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH;
  75    case OMX_VIDEO_AVCProfileHigh10:
  76       return PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH10;
  77    case OMX_VIDEO_AVCProfileHigh422:
  78       return PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH422;
  79    case OMX_VIDEO_AVCProfileHigh444:
  80       return PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH444;
  81    default:
  82       return PIPE_VIDEO_PROFILE_UNKNOWN;
  83    }
  84 }
  85
  86 unsigned enc_TranslateOMXLevelToPipe(unsigned omx_level)
  87 {
  88    switch (omx_level) {
  89    case OMX_VIDEO_AVCLevel1:
  90    case OMX_VIDEO_AVCLevel1b:
  91       return 10;
  92    case OMX_VIDEO_AVCLevel11:
  93       return 11;
  94    case OMX_VIDEO_AVCLevel12:
  95       return 12;
  96    case OMX_VIDEO_AVCLevel13:
  97       return 13;
  98    case OMX_VIDEO_AVCLevel2:
  99       return 20;
 100    case OMX_VIDEO_AVCLevel21:
 101       return 21;
 102    case OMX_VIDEO_AVCLevel22:
 103       return 22;
 104    case OMX_VIDEO_AVCLevel3:
 105       return 30;
 106    case OMX_VIDEO_AVCLevel31:
 107       return 31;
 108    case OMX_VIDEO_AVCLevel32:
 109       return 32;
 110    case OMX_VIDEO_AVCLevel4:
 111       return 40;
 112    case OMX_VIDEO_AVCLevel41:
 113       return 41;
 114    default:
 115    case OMX_VIDEO_AVCLevel42:
 116       return 42;
 117    case OMX_VIDEO_AVCLevel5:
 118       return 50;
 119    case OMX_VIDEO_AVCLevel51:
 120       return 51;
 121    }
 122 }
 123
 124 void vid_enc_BufferEncoded_common(vid_enc_PrivateType * priv, OMX_BUFFERHEADERTYPE* input, OMX_BUFFERHEADERTYPE* output)
 125 {
 126    struct output_buf_private *outp = output->pOutputPortPrivate;
 127    struct input_buf_private *inp = input->pInputPortPrivate;
 128    struct encode_task *task;
 129    struct pipe_box box = {};
 130    unsigned size;
 131
 132 #if ENABLE_ST_OMX_BELLAGIO
 133    if (!inp || list_is_empty(&inp->tasks)) {
 134       input->nFilledLen = 0; /* mark buffer as empty */
 135       enc_MoveTasks(&priv->used_tasks, &inp->tasks);
 136       return;
 137    }
 138 #endif
 139
 140    task = LIST_ENTRY(struct encode_task, inp->tasks.next, list);
 141    list_del(&task->list);
 142    list_addtail(&task->list, &priv->used_tasks);
 143
 144    if (!task->bitstream)
 145       return;
 146
 147    /* ------------- map result buffer ----------------- */
 148
 149    if (outp->transfer)
 150       pipe_transfer_unmap(priv->t_pipe, outp->transfer);
 151
 152    pipe_resource_reference(&outp->bitstream, task->bitstream);
 153    pipe_resource_reference(&task->bitstream, NULL);
 154
 155    box.width = outp->bitstream->width0;
 156    box.height = outp->bitstream->height0;
 157    box.depth = outp->bitstream->depth0;
 158
 159    output->pBuffer = priv->t_pipe->transfer_map(priv->t_pipe, outp->bitstream, 0,
 160                                                 PIPE_TRANSFER_READ_WRITE,
 161                                                 &box, &outp->transfer);
 162
 163    /* ------------- get size of result ----------------- */
 164
 165    priv->codec->get_feedback(priv->codec, task->feedback, &size);
 166
 167    output->nOffset = 0;
 168    output->nFilledLen = size; /* mark buffer as full */
 169
 170    /* all output buffers contain exactly one frame */
 171    output->nFlags = OMX_BUFFERFLAG_ENDOFFRAME;
 172
 173 #if ENABLE_ST_OMX_TIZONIA
 174    input->nFilledLen = 0; /* mark buffer as empty */
 175    enc_MoveTasks(&priv->used_tasks, &inp->tasks);
 176 #endif
 177 }
 178
 179
 180 struct encode_task *enc_NeedTask_common(vid_enc_PrivateType * priv, OMX_VIDEO_PORTDEFINITIONTYPE *def)
 181 {
 182    struct pipe_video_buffer templat = {};
 183    struct encode_task *task;
 184
 185    if (!list_is_empty(&priv->free_tasks)) {
 186       task = LIST_ENTRY(struct encode_task, priv->free_tasks.next, list);
 187       list_del(&task->list);
 188       return task;
 189    }
 190
 191    /* allocate a new one */
 192    task = CALLOC_STRUCT(encode_task);
 193    if (!task)
 194       return NULL;
 195
 196    templat.buffer_format = PIPE_FORMAT_NV12;
 197    templat.width = def->nFrameWidth;
 198    templat.height = def->nFrameHeight;
 199    templat.interlaced = false;
 200
 201    task->buf = priv->s_pipe->create_video_buffer(priv->s_pipe, &templat);
 202    if (!task->buf) {
 203       FREE(task);
 204       return NULL;
 205    }
 206
 207    return task;
 208 }
 209
 210 void enc_ScaleInput_common(vid_enc_PrivateType * priv, OMX_VIDEO_PORTDEFINITIONTYPE *def,
 211                                   struct pipe_video_buffer **vbuf, unsigned *size)
 212 {
 213    struct pipe_video_buffer *src_buf = *vbuf;
 214    struct vl_compositor *compositor = &priv->compositor;
 215    struct vl_compositor_state *s = &priv->cstate;
 216    struct pipe_sampler_view **views;
 217    struct pipe_surface **dst_surface;
 218    unsigned i;
 219
 220    if (!priv->scale_buffer[priv->current_scale_buffer])
 221       return;
 222
 223    views = src_buf->get_sampler_view_planes(src_buf);
 224    dst_surface = priv->scale_buffer[priv->current_scale_buffer]->get_surfaces
 225                  (priv->scale_buffer[priv->current_scale_buffer]);
 226    vl_compositor_clear_layers(s);
 227
 228    for (i = 0; i < VL_MAX_SURFACES; ++i) {
 229       struct u_rect src_rect;
 230       if (!views[i] || !dst_surface[i])
 231          continue;
 232       src_rect.x0 = 0;
 233       src_rect.y0 = 0;
 234       src_rect.x1 = def->nFrameWidth;
 235       src_rect.y1 = def->nFrameHeight;
 236       if (i > 0) {
 237          src_rect.x1 /= 2;
 238          src_rect.y1 /= 2;
 239       }
 240       vl_compositor_set_rgba_layer(s, compositor, 0, views[i], &src_rect, NULL, NULL);
 241       vl_compositor_render(s, compositor, dst_surface[i], NULL, false);
 242    }
 243    *size  = priv->scale.xWidth * priv->scale.xHeight * 2;
 244    *vbuf = priv->scale_buffer[priv->current_scale_buffer++];
 245    priv->current_scale_buffer %= OMX_VID_ENC_NUM_SCALING_BUFFERS;
 246 }
 247
 248 void enc_ControlPicture_common(vid_enc_PrivateType * priv, struct pipe_h264_enc_picture_desc *picture)
 249 {
 250    struct pipe_h264_enc_rate_control *rate_ctrl = &picture->rate_ctrl;
 251
 252    /* Get bitrate from port */
 253    switch (priv->bitrate.eControlRate) {
 254    case OMX_Video_ControlRateVariable:
 255       rate_ctrl->rate_ctrl_method = PIPE_H264_ENC_RATE_CONTROL_METHOD_VARIABLE;
 256       break;
 257    case OMX_Video_ControlRateConstant:
 258       rate_ctrl->rate_ctrl_method = PIPE_H264_ENC_RATE_CONTROL_METHOD_CONSTANT;
 259       break;
 260    case OMX_Video_ControlRateVariableSkipFrames:
 261       rate_ctrl->rate_ctrl_method = PIPE_H264_ENC_RATE_CONTROL_METHOD_VARIABLE_SKIP;
 262       break;
 263    case OMX_Video_ControlRateConstantSkipFrames:
 264       rate_ctrl->rate_ctrl_method = PIPE_H264_ENC_RATE_CONTROL_METHOD_CONSTANT_SKIP;
 265       break;
 266    default:
 267       rate_ctrl->rate_ctrl_method = PIPE_H264_ENC_RATE_CONTROL_METHOD_DISABLE;
 268       break;
 269    }
 270
 271    rate_ctrl->frame_rate_den = OMX_VID_ENC_CONTROL_FRAME_RATE_DEN_DEFAULT;
 272    rate_ctrl->frame_rate_num = ((priv->frame_rate) >> 16) * rate_ctrl->frame_rate_den;
 273
 274    if (rate_ctrl->rate_ctrl_method != PIPE_H264_ENC_RATE_CONTROL_METHOD_DISABLE) {
 275       if (priv->bitrate.nTargetBitrate < OMX_VID_ENC_BITRATE_MIN)
 276          rate_ctrl->target_bitrate = OMX_VID_ENC_BITRATE_MIN;
 277       else if (priv->bitrate.nTargetBitrate < OMX_VID_ENC_BITRATE_MAX)
 278          rate_ctrl->target_bitrate = priv->bitrate.nTargetBitrate;
 279       else
 280          rate_ctrl->target_bitrate = OMX_VID_ENC_BITRATE_MAX;
 281       rate_ctrl->peak_bitrate = rate_ctrl->target_bitrate;
 282       if (rate_ctrl->target_bitrate < OMX_VID_ENC_BITRATE_MEDIAN)
 283          rate_ctrl->vbv_buffer_size = MIN2((rate_ctrl->target_bitrate * 2.75), OMX_VID_ENC_BITRATE_MEDIAN);
 284       else
 285          rate_ctrl->vbv_buffer_size = rate_ctrl->target_bitrate;
 286
 287       if (rate_ctrl->frame_rate_num) {
 288          unsigned long long t = rate_ctrl->target_bitrate;
 289          t *= rate_ctrl->frame_rate_den;
 290          rate_ctrl->target_bits_picture = t / rate_ctrl->frame_rate_num;
 291       } else {
 292          rate_ctrl->target_bits_picture = rate_ctrl->target_bitrate;
 293       }
 294       rate_ctrl->peak_bits_picture_integer = rate_ctrl->target_bits_picture;
 295       rate_ctrl->peak_bits_picture_fraction = 0;
 296    }
 297
 298    picture->quant_i_frames = priv->quant.nQpI;
 299    picture->quant_p_frames = priv->quant.nQpP;
 300    picture->quant_b_frames = priv->quant.nQpB;
 301
 302    picture->frame_num = priv->frame_num;
 303    picture->ref_idx_l0 = priv->ref_idx_l0;
 304    picture->ref_idx_l1 = priv->ref_idx_l1;
 305    picture->enable_vui = (picture->rate_ctrl.frame_rate_num != 0);
 306    enc_GetPictureParamPreset(picture);
 307 }
 308
 309 static void *create_compute_state(struct pipe_context *pipe,
 310                                   const char *source)
 311 {
 312    struct tgsi_token tokens[1024];
 313    struct pipe_compute_state state = {0};
 314
 315    if (!tgsi_text_translate(source, tokens, ARRAY_SIZE(tokens))) {
 316            assert(false);
 317            return NULL;
 318    }
 319
 320    state.ir_type = PIPE_SHADER_IR_TGSI;
 321    state.prog = tokens;
 322
 323    return pipe->create_compute_state(pipe, &state);
 324 }
 325
 326 void enc_InitCompute_common(vid_enc_PrivateType *priv)
 327 {
 328    struct pipe_context *pipe = priv->s_pipe;
 329    struct pipe_screen *screen = pipe->screen;
 330
 331    /* We need the partial last block support. */
 332    if (!screen->get_param(screen, PIPE_CAP_COMPUTE_GRID_INFO_LAST_BLOCK))
 333       return;
 334
 335    static const char *copy_y =
 336          "COMP\n"
 337          "PROPERTY CS_FIXED_BLOCK_WIDTH 64\n"
 338          "PROPERTY CS_FIXED_BLOCK_HEIGHT 1\n"
 339          "PROPERTY CS_FIXED_BLOCK_DEPTH 1\n"
 340          "DCL SV[0], THREAD_ID\n"
 341          "DCL SV[1], BLOCK_ID\n"
 342          "DCL IMAGE[0], 2D, PIPE_FORMAT_R8_UINT\n"
 343          "DCL IMAGE[1], 2D, PIPE_FORMAT_R8_UINT, WR\n"
 344          "DCL TEMP[0..1]\n"
 345          "IMM[0] UINT32 {64, 0, 0, 0}\n"
 346
 347          "UMAD TEMP[0].x, SV[1], IMM[0], SV[0]\n"
 348          "MOV TEMP[0].y, SV[1]\n"
 349          "LOAD TEMP[1].x, IMAGE[0], TEMP[0], 2D, PIPE_FORMAT_R8_UINT\n"
 350          "STORE IMAGE[1].x, TEMP[0], TEMP[1], 2D, PIPE_FORMAT_R8_UINT\n"
 351          "END\n";
 352
 353    static const char *copy_uv =
 354          "COMP\n"
 355          "PROPERTY CS_FIXED_BLOCK_WIDTH 64\n"
 356          "PROPERTY CS_FIXED_BLOCK_HEIGHT 1\n"
 357          "PROPERTY CS_FIXED_BLOCK_DEPTH 1\n"
 358          "DCL SV[0], THREAD_ID\n"
 359          "DCL SV[1], BLOCK_ID\n"
 360          "DCL IMAGE[0], 2D, PIPE_FORMAT_R8_UINT\n"
 361          "DCL IMAGE[2], 2D, PIPE_FORMAT_R8G8_UINT, WR\n"
 362          "DCL CONST[0][0]\n" /* .x = offset of the UV portion in the y direction */
 363          "DCL TEMP[0..4]\n"
 364          "IMM[0] UINT32 {64, 0, 2, 1}\n"
 365          /* Destination R8G8 coordinates */
 366          "UMAD TEMP[0].x, SV[1], IMM[0], SV[0]\n"
 367          "MOV TEMP[0].y, SV[1]\n"
 368          /* Source R8 coordinates of U */
 369          "UMUL TEMP[1].x, TEMP[0], IMM[0].zzzz\n"
 370          "UADD TEMP[1].y, TEMP[0], CONST[0].xxxx\n"
 371          /* Source R8 coordinates of V */
 372          "UADD TEMP[2].x, TEMP[1], IMM[0].wwww\n"
 373          "MOV TEMP[2].y, TEMP[1]\n"
 374
 375          "LOAD TEMP[3].x, IMAGE[0], TEMP[1], 2D, PIPE_FORMAT_R8_UINT\n"
 376          "LOAD TEMP[4].x, IMAGE[0], TEMP[2], 2D, PIPE_FORMAT_R8_UINT\n"
 377          "MOV TEMP[3].y, TEMP[4].xxxx\n"
 378          "STORE IMAGE[2], TEMP[0], TEMP[3], 2D, PIPE_FORMAT_R8G8_UINT\n"
 379          "END\n";
 380
 381    priv->copy_y_shader = create_compute_state(pipe, copy_y);
 382    priv->copy_uv_shader = create_compute_state(pipe, copy_uv);
 383 }
 384
 385 void enc_ReleaseCompute_common(vid_enc_PrivateType *priv)
 386 {
 387    struct pipe_context *pipe = priv->s_pipe;
 388
 389    if (priv->copy_y_shader)
 390       pipe->delete_compute_state(pipe, priv->copy_y_shader);
 391    if (priv->copy_uv_shader)
 392       pipe->delete_compute_state(pipe, priv->copy_uv_shader);
 393 }
 394
 395 OMX_ERRORTYPE enc_LoadImage_common(vid_enc_PrivateType * priv, OMX_VIDEO_PORTDEFINITIONTYPE *def,
 396                                    OMX_BUFFERHEADERTYPE *buf,
 397                                    struct pipe_video_buffer *vbuf)
 398 {
 399    struct pipe_context *pipe = priv->s_pipe;
 400    struct pipe_box box = {};
 401    struct input_buf_private *inp = buf->pInputPortPrivate;
 402
 403    if (!inp->resource) {
 404       struct pipe_sampler_view **views;
 405       void *ptr;
 406
 407       views = vbuf->get_sampler_view_planes(vbuf);
 408       if (!views)
 409          return OMX_ErrorInsufficientResources;
 410
 411       ptr = buf->pBuffer;
 412       box.width = def->nFrameWidth;
 413       box.height = def->nFrameHeight;
 414       box.depth = 1;
 415       pipe->texture_subdata(pipe, views[0]->texture, 0,
 416                             PIPE_TRANSFER_WRITE, &box,
 417                             ptr, def->nStride, 0);
 418       ptr = ((uint8_t*)buf->pBuffer) + (def->nStride * box.height);
 419       box.width = def->nFrameWidth / 2;
 420       box.height = def->nFrameHeight / 2;
 421       box.depth = 1;
 422       pipe->texture_subdata(pipe, views[1]->texture, 0,
 423                             PIPE_TRANSFER_WRITE, &box,
 424                             ptr, def->nStride, 0);
 425    } else {
 426       struct vl_video_buffer *dst_buf = (struct vl_video_buffer *)vbuf;
 427
 428       pipe_transfer_unmap(pipe, inp->transfer);
 429
 430       /* inp->resource uses PIPE_FORMAT_I8 and the layout looks like this:
 431        *
 432        * def->nFrameWidth = 4, def->nFrameHeight = 4:
 433        * |----|
 434        * |YYYY|
 435        * |YYYY|
 436        * |YYYY|
 437        * |YYYY|
 438        * |UVUV|
 439        * |UVUV|
 440        * |----|
 441        *
 442        * The copy has 2 steps:
 443        * - Copy Y to dst_buf->resources[0] as R8.
 444        * - Copy UV to dst_buf->resources[1] as R8G8.
 445        */
 446       if (priv->copy_y_shader && priv->copy_uv_shader) {
 447          /* Compute path */
 448          /* Set shader images for both copies. */
 449          struct pipe_image_view image[3] = {0};
 450          image[0].resource = inp->resource;
 451          image[0].shader_access = image[0].access = PIPE_IMAGE_ACCESS_READ;
 452          image[0].format = PIPE_FORMAT_R8_UINT;
 453
 454          image[1].resource = dst_buf->resources[0];
 455          image[1].shader_access = image[1].access = PIPE_IMAGE_ACCESS_WRITE;
 456          image[1].format = PIPE_FORMAT_R8_UINT;
 457
 458          image[2].resource = dst_buf->resources[1];
 459          image[2].shader_access = image[1].access = PIPE_IMAGE_ACCESS_WRITE;
 460          image[2].format = PIPE_FORMAT_R8G8_UINT;
 461
 462          pipe->set_shader_images(pipe, PIPE_SHADER_COMPUTE, 0, 3, image);
 463
 464          /* Set the constant buffer. */
 465          uint32_t constants[4] = {def->nFrameHeight};
 466          struct pipe_constant_buffer cb = {};
 467
 468          cb.buffer_size = sizeof(constants);
 469          cb.user_buffer = constants;
 470          pipe->set_constant_buffer(pipe, PIPE_SHADER_COMPUTE, 0, &cb);
 471
 472          /* Use the optimal block size for the linear image layout. */
 473          struct pipe_grid_info info = {};
 474          info.block[0] = 64;
 475          info.block[1] = 1;
 476          info.block[2] = 1;
 477          info.grid[2] = 1;
 478
 479          /* Copy Y */
 480          pipe->bind_compute_state(pipe, priv->copy_y_shader);
 481
 482          info.grid[0] = DIV_ROUND_UP(def->nFrameWidth, 64);
 483          info.grid[1] = def->nFrameHeight;
 484          info.last_block[0] = def->nFrameWidth % 64;
 485          pipe->launch_grid(pipe, &info);
 486
 487          /* Copy UV */
 488          pipe->bind_compute_state(pipe, priv->copy_uv_shader);
 489
 490          info.grid[0] = DIV_ROUND_UP(def->nFrameWidth / 2, 64);
 491          info.grid[1] = def->nFrameHeight / 2;
 492          info.last_block[0] = (def->nFrameWidth / 2) % 64;
 493          pipe->launch_grid(pipe, &info);
 494
 495          /* Make the result visible to all clients. */
 496          pipe->memory_barrier(pipe, PIPE_BARRIER_ALL);
 497
 498          /* Unbind. */
 499          pipe->set_shader_images(pipe, PIPE_SHADER_COMPUTE, 0, 3, NULL);
 500          pipe->set_constant_buffer(pipe, PIPE_SHADER_COMPUTE, 0, NULL);
 501          pipe->bind_compute_state(pipe, NULL);
 502       } else {
 503          /* Graphics path */
 504          struct pipe_blit_info blit;
 505
 506          box.width = def->nFrameWidth;
 507          box.height = def->nFrameHeight;
 508          box.depth = 1;
 509
 510          /* Copy Y */
 511          pipe->resource_copy_region(pipe,
 512                                     dst_buf->resources[0],
 513                                     0, 0, 0, 0, inp->resource, 0, &box);
 514
 515          /* Copy U */
 516          memset(&blit, 0, sizeof(blit));
 517          blit.src.resource = inp->resource;
 518          blit.src.format = inp->resource->format;
 519
 520          blit.src.box.x = -1;
 521          blit.src.box.y = def->nFrameHeight;
 522          blit.src.box.width = def->nFrameWidth;
 523          blit.src.box.height = def->nFrameHeight / 2 ;
 524          blit.src.box.depth = 1;
 525
 526          blit.dst.resource = dst_buf->resources[1];
 527          blit.dst.format = blit.dst.resource->format;
 528
 529          blit.dst.box.width = def->nFrameWidth / 2;
 530          blit.dst.box.height = def->nFrameHeight / 2;
 531          blit.dst.box.depth = 1;
 532          blit.filter = PIPE_TEX_FILTER_NEAREST;
 533
 534          blit.mask = PIPE_MASK_R;
 535          pipe->blit(pipe, &blit);
 536
 537          /* Copy V */
 538          blit.src.box.x = 0;
 539          blit.mask = PIPE_MASK_G;
 540          pipe->blit(pipe, &blit);
 541       }
 542
 543       pipe->flush(pipe, NULL, 0);
 544
 545       box.width = inp->resource->width0;
 546       box.height = inp->resource->height0;
 547       box.depth = inp->resource->depth0;
 548       buf->pBuffer = pipe->transfer_map(pipe, inp->resource, 0,
 549                                         PIPE_TRANSFER_WRITE, &box,
 550                                         &inp->transfer);
 551    }
 552
 553    return OMX_ErrorNone;
 554 }