src/gen6_mfc.c

   1 /*
   2  * Copyright © 2010-2011 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the
   6  * "Software"), to deal in the Software without restriction, including
   7  * without limitation the rights to use, copy, modify, merge, publish,
   8  * distribute, sub license, and/or sell copies of the Software, and to
   9  * permit persons to whom the Software is furnished to do so, subject to
  10  * the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the
  13  * next paragraph) shall be included in all copies or substantial portions
  14  * of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  19  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  20  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  21  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  22  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Zhou Chang <chang.zhou@intel.com>
  26  *
  27  */
  28
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <string.h>
  32 #include <assert.h>
  33 #include <math.h>
  34
  35 #include "intel_batchbuffer.h"
  36 #include "i965_defines.h"
  37 #include "i965_structs.h"
  38 #include "i965_drv_video.h"
  39 #include "i965_encoder.h"
  40 #include "i965_encoder_utils.h"
  41 #include "gen6_mfc.h"
  42 #include "gen6_vme.h"
  43
  44 #define CMD_LEN_IN_OWORD        4
  45
  46 #define BRC_CLIP(x, min, max) \
  47 { \
  48     x = ((x > (max)) ? (max) : ((x < (min)) ? (min) : x)); \
  49 }
  50
  51 #define BRC_P_B_QP_DIFF 4
  52 #define BRC_I_P_QP_DIFF 2
  53 #define BRC_I_B_QP_DIFF (BRC_I_P_QP_DIFF + BRC_P_B_QP_DIFF)
  54
  55 #define BRC_PWEIGHT 0.6  /* weight if P slice with comparison to I slice */
  56 #define BRC_BWEIGHT 0.25 /* weight if B slice with comparison to I slice */
  57
  58 #define BRC_QP_MAX_CHANGE 5 /* maximum qp modification */
  59 #define BRC_CY 0.1 /* weight for */
  60 #define BRC_CX_UNDERFLOW 5.
  61 #define BRC_CX_OVERFLOW -4.
  62
  63 #define BRC_PI_0_5 1.5707963267948966192313216916398
  64
  65 typedef enum _gen6_brc_status
  66 {
  67     BRC_NO_HRD_VIOLATION = 0,
  68     BRC_UNDERFLOW = 1,
  69     BRC_OVERFLOW = 2,
  70     BRC_UNDERFLOW_WITH_MAX_QP = 3,
  71     BRC_OVERFLOW_WITH_MIN_QP = 4,
  72 } gen6_brc_status;
  73
  74 static const uint32_t gen6_mfc_batchbuffer_avc_intra[][4] = {
  75 #include "shaders/utils/mfc_batchbuffer_avc_intra.g6b"
  76 };
  77
  78 static const uint32_t gen6_mfc_batchbuffer_avc_inter[][4] = {
  79 #include "shaders/utils/mfc_batchbuffer_avc_inter.g6b"
  80 };
  81
  82 static struct i965_kernel gen6_mfc_kernels[] = {
  83     {
  84         "MFC AVC INTRA BATCHBUFFER ",
  85         MFC_BATCHBUFFER_AVC_INTRA,
  86         gen6_mfc_batchbuffer_avc_intra,
  87         sizeof(gen6_mfc_batchbuffer_avc_intra),
  88         NULL
  89     },
  90
  91     {
  92         "MFC AVC INTER BATCHBUFFER ",
  93         MFC_BATCHBUFFER_AVC_INTER,
  94         gen6_mfc_batchbuffer_avc_inter,
  95         sizeof(gen6_mfc_batchbuffer_avc_inter),
  96         NULL
  97     },
  98 };
  99
 100 static void
 101 gen6_mfc_pipe_mode_select(VADriverContextP ctx,
 102                           int standard_select,
 103                           struct intel_encoder_context *encoder_context)
 104 {
 105     struct intel_batchbuffer *batch = encoder_context->base.batch;
 106     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 107
 108     assert(standard_select == MFX_FORMAT_AVC);
 109
 110     BEGIN_BCS_BATCH(batch, 4);
 111
 112     OUT_BCS_BATCH(batch, MFX_PIPE_MODE_SELECT | (4 - 2));
 113     OUT_BCS_BATCH(batch,
 114                   (1 << 10) | /* disable Stream-Out , advanced QP/bitrate control need enable it*/
 115                   ((!!mfc_context->post_deblocking_output.bo) << 9)  | /* Post Deblocking Output */
 116                   ((!!mfc_context->pre_deblocking_output.bo) << 8)  | /* Pre Deblocking Output */
 117                   (0 << 7)  | /* disable TLB prefectch */
 118                   (0 << 5)  | /* not in stitch mode */
 119                   (1 << 4)  | /* encoding mode */
 120                   (2 << 0));  /* Standard Select: AVC */
 121     OUT_BCS_BATCH(batch,
 122                   (0 << 20) | /* round flag in PB slice */
 123                   (0 << 19) | /* round flag in Intra8x8 */
 124                   (0 << 7)  | /* expand NOA bus flag */
 125                   (1 << 6)  | /* must be 1 */
 126                   (0 << 5)  | /* disable clock gating for NOA */
 127                   (0 << 4)  | /* terminate if AVC motion and POC table error occurs */
 128                   (0 << 3)  | /* terminate if AVC mbdata error occurs */
 129                   (0 << 2)  | /* terminate if AVC CABAC/CAVLC decode error occurs */
 130                   (0 << 1)  | /* AVC long field motion vector */
 131                   (0 << 0));  /* always calculate AVC ILDB boundary strength */
 132     OUT_BCS_BATCH(batch, 0);
 133
 134     ADVANCE_BCS_BATCH(batch);
 135 }
 136
 137 static void
 138 gen6_mfc_surface_state(VADriverContextP ctx, struct intel_encoder_context *encoder_context)
 139 {
 140     struct intel_batchbuffer *batch = encoder_context->base.batch;
 141     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 142
 143     BEGIN_BCS_BATCH(batch, 6);
 144
 145     OUT_BCS_BATCH(batch, MFX_SURFACE_STATE | (6 - 2));
 146     OUT_BCS_BATCH(batch, 0);
 147     OUT_BCS_BATCH(batch,
 148                   ((mfc_context->surface_state.height - 1) << 19) |
 149                   ((mfc_context->surface_state.width - 1) << 6));
 150     OUT_BCS_BATCH(batch,
 151                   (MFX_SURFACE_PLANAR_420_8 << 28) | /* 420 planar YUV surface */
 152                   (1 << 27) | /* must be 1 for interleave U/V, hardware requirement */
 153                   (0 << 22) | /* surface object control state, FIXME??? */
 154                   ((mfc_context->surface_state.w_pitch - 1) << 3) | /* pitch */
 155                   (0 << 2)  | /* must be 0 for interleave U/V */
 156                   (1 << 1)  | /* must be y-tiled */
 157                   (I965_TILEWALK_YMAJOR << 0));                         /* tile walk, TILEWALK_YMAJOR */
 158     OUT_BCS_BATCH(batch,
 159                   (0 << 16) |                                                           /* must be 0 for interleave U/V */
 160                   (mfc_context->surface_state.h_pitch));                /* y offset for U(cb) */
 161     OUT_BCS_BATCH(batch, 0);
 162     ADVANCE_BCS_BATCH(batch);
 163 }
 164
 165 static void
 166 gen6_mfc_pipe_buf_addr_state(VADriverContextP ctx, struct intel_encoder_context *encoder_context)
 167 {
 168     struct intel_batchbuffer *batch = encoder_context->base.batch;
 169     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 170     int i;
 171
 172     BEGIN_BCS_BATCH(batch, 24);
 173
 174     OUT_BCS_BATCH(batch, MFX_PIPE_BUF_ADDR_STATE | (24 - 2));
 175
 176     if (mfc_context->pre_deblocking_output.bo)
 177         OUT_BCS_RELOC(batch, mfc_context->pre_deblocking_output.bo,
 178                       I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 179                       0);
 180     else
 181         OUT_BCS_BATCH(batch, 0);                                                                                        /* pre output addr   */
 182
 183     if (mfc_context->post_deblocking_output.bo)
 184         OUT_BCS_RELOC(batch, mfc_context->post_deblocking_output.bo,
 185                       I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 186                       0);                                                                                       /* post output addr  */
 187     else
 188         OUT_BCS_BATCH(batch, 0);
 189
 190     OUT_BCS_RELOC(batch, mfc_context->uncompressed_picture_source.bo,
 191                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 192                   0);                                                                                   /* uncompressed data */
 193     OUT_BCS_RELOC(batch, mfc_context->macroblock_status_buffer.bo,
 194                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 195                   0);                                                                                   /* StreamOut data*/
 196     OUT_BCS_RELOC(batch, mfc_context->intra_row_store_scratch_buffer.bo,
 197                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 198                   0);
 199     OUT_BCS_RELOC(batch, mfc_context->deblocking_filter_row_store_scratch_buffer.bo,
 200                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 201                   0);
 202     /* 7..22 Reference pictures*/
 203     for (i = 0; i < ARRAY_ELEMS(mfc_context->reference_surfaces); i++) {
 204         if ( mfc_context->reference_surfaces[i].bo != NULL) {
 205             OUT_BCS_RELOC(batch, mfc_context->reference_surfaces[i].bo,
 206                           I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 207                           0);
 208         } else {
 209             OUT_BCS_BATCH(batch, 0);
 210         }
 211     }
 212     OUT_BCS_RELOC(batch, mfc_context->macroblock_status_buffer.bo,
 213                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 214                   0);                                                                                   /* Macroblock status buffer*/
 215
 216     ADVANCE_BCS_BATCH(batch);
 217 }
 218
 219 static void
 220 gen6_mfc_ind_obj_base_addr_state(VADriverContextP ctx, struct intel_encoder_context *encoder_context)
 221 {
 222     struct intel_batchbuffer *batch = encoder_context->base.batch;
 223     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 224     struct gen6_vme_context *vme_context = encoder_context->vme_context;
 225
 226     BEGIN_BCS_BATCH(batch, 11);
 227
 228     OUT_BCS_BATCH(batch, MFX_IND_OBJ_BASE_ADDR_STATE | (11 - 2));
 229     OUT_BCS_BATCH(batch, 0);
 230     OUT_BCS_BATCH(batch, 0);
 231     /* MFX Indirect MV Object Base Address */
 232     OUT_BCS_RELOC(batch, vme_context->vme_output.bo, I915_GEM_DOMAIN_INSTRUCTION, 0, 0);
 233     OUT_BCS_BATCH(batch, 0);
 234     OUT_BCS_BATCH(batch, 0);
 235     OUT_BCS_BATCH(batch, 0);
 236     OUT_BCS_BATCH(batch, 0);
 237     OUT_BCS_BATCH(batch, 0);
 238     /*MFC Indirect PAK-BSE Object Base Address for Encoder*/
 239     OUT_BCS_RELOC(batch,
 240                   mfc_context->mfc_indirect_pak_bse_object.bo,
 241                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 242                   0);
 243     OUT_BCS_RELOC(batch,
 244                   mfc_context->mfc_indirect_pak_bse_object.bo,
 245                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 246                   mfc_context->mfc_indirect_pak_bse_object.end_offset);
 247
 248     ADVANCE_BCS_BATCH(batch);
 249 }
 250
 251 static void
 252 gen6_mfc_bsp_buf_base_addr_state(VADriverContextP ctx, struct intel_encoder_context *encoder_context)
 253 {
 254     struct intel_batchbuffer *batch = encoder_context->base.batch;
 255     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 256
 257     BEGIN_BCS_BATCH(batch, 4);
 258
 259     OUT_BCS_BATCH(batch, MFX_BSP_BUF_BASE_ADDR_STATE | (4 - 2));
 260     OUT_BCS_RELOC(batch, mfc_context->bsd_mpc_row_store_scratch_buffer.bo,
 261                   I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
 262                   0);
 263     OUT_BCS_BATCH(batch, 0);
 264     OUT_BCS_BATCH(batch, 0);
 265
 266     ADVANCE_BCS_BATCH(batch);
 267 }
 268
 269 static void
 270 gen6_mfc_avc_img_state(VADriverContextP ctx,struct encode_state *encode_state,
 271                        struct intel_encoder_context *encoder_context)
 272 {
 273     struct intel_batchbuffer *batch = encoder_context->base.batch;
 274     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 275     VAEncSequenceParameterBufferH264 *pSequenceParameter = (VAEncSequenceParameterBufferH264 *)encode_state->seq_param_ext->buffer;
 276     VAEncPictureParameterBufferH264 *pPicParameter = (VAEncPictureParameterBufferH264 *)encode_state->pic_param_ext->buffer;
 277     int width_in_mbs = (mfc_context->surface_state.width + 15) / 16;
 278     int height_in_mbs = (mfc_context->surface_state.height + 15) / 16;
 279
 280     BEGIN_BCS_BATCH(batch, 13);
 281     OUT_BCS_BATCH(batch, MFX_AVC_IMG_STATE | (13 - 2));
 282     OUT_BCS_BATCH(batch,
 283                   ((width_in_mbs * height_in_mbs) & 0xFFFF));
 284     OUT_BCS_BATCH(batch,
 285                   (height_in_mbs << 16) |
 286                   (width_in_mbs << 0));
 287     OUT_BCS_BATCH(batch,
 288                   (0 << 24) |     /*Second Chroma QP Offset*/
 289                   (0 << 16) |     /*Chroma QP Offset*/
 290                   (0 << 14) |   /*Max-bit conformance Intra flag*/
 291                   (0 << 13) |   /*Max Macroblock size conformance Inter flag*/
 292                   (1 << 12) |   /*Should always be written as "1" */
 293                   (0 << 10) |   /*QM Preset FLag */
 294                   (0 << 8)  |   /*Image Structure*/
 295                   (0 << 0) );   /*Current Decoed Image Frame Store ID, reserved in Encode mode*/
 296     OUT_BCS_BATCH(batch,
 297                   (400 << 16) |   /*Mininum Frame size*/
 298                   (0 << 15) |   /*Disable reading of Macroblock Status Buffer*/
 299                   (0 << 14) |   /*Load BitStream Pointer only once, 1 slic 1 frame*/
 300                   (0 << 13) |   /*CABAC 0 word insertion test enable*/
 301                   (1 << 12) |   /*MVUnpackedEnable,compliant to DXVA*/
 302                   (1 << 10) |   /*Chroma Format IDC, 4:2:0*/
 303                   (pPicParameter->pic_fields.bits.entropy_coding_mode_flag << 7)  |   /*0:CAVLC encoding mode,1:CABAC*/
 304                   (0 << 6)  |   /*Only valid for VLD decoding mode*/
 305                   (0 << 5)  |   /*Constrained Intra Predition Flag, from PPS*/
 306                   (pSequenceParameter->seq_fields.bits.direct_8x8_inference_flag << 4)  |   /*Direct 8x8 inference flag*/
 307                   (pPicParameter->pic_fields.bits.transform_8x8_mode_flag << 3)  |   /*8x8 or 4x4 IDCT Transform Mode Flag*/
 308                   (1 << 2)  |   /*Frame MB only flag*/
 309                   (0 << 1)  |   /*MBAFF mode is in active*/
 310                   (0 << 0) );   /*Field picture flag*/
 311     OUT_BCS_BATCH(batch,
 312                   (1<<16)   |   /*Frame Size Rate Control Flag*/
 313                   (1<<12)   |
 314                   (1<<9)    |   /*MB level Rate Control Enabling Flag*/
 315                   (1 << 3)  |   /*FrameBitRateMinReportMask*/
 316                   (1 << 2)  |   /*FrameBitRateMaxReportMask*/
 317                   (1 << 1)  |   /*InterMBMaxSizeReportMask*/
 318                   (1 << 0) );   /*IntraMBMaxSizeReportMask*/
 319     OUT_BCS_BATCH(batch,                        /*Inter and Intra Conformance Max size limit*/
 320                   (0x0600 << 16) |              /*InterMbMaxSz 192 Byte*/
 321                   (0x0800) );                   /*IntraMbMaxSz 256 Byte*/
 322     OUT_BCS_BATCH(batch, 0x00000000);   /*Reserved : MBZReserved*/
 323     OUT_BCS_BATCH(batch, 0x01020304);   /*Slice QP Delta for bitrate control*/
 324     OUT_BCS_BATCH(batch, 0xFEFDFCFB);
 325     OUT_BCS_BATCH(batch, 0x80601004);   /*MAX = 128KB, MIN = 64KB*/
 326     OUT_BCS_BATCH(batch, 0x00800001);
 327     OUT_BCS_BATCH(batch, 0);
 328
 329     ADVANCE_BCS_BATCH(batch);
 330 }
 331
 332 static void
 333 gen6_mfc_avc_directmode_state(VADriverContextP ctx, struct intel_encoder_context *encoder_context)
 334 {
 335     struct intel_batchbuffer *batch = encoder_context->base.batch;
 336     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 337
 338     int i;
 339
 340     BEGIN_BCS_BATCH(batch, 69);
 341
 342     OUT_BCS_BATCH(batch, MFX_AVC_DIRECTMODE_STATE | (69 - 2));
 343
 344     /* Reference frames and Current frames */
 345     for(i = 0; i < NUM_MFC_DMV_BUFFERS; i++) {
 346         if ( mfc_context->direct_mv_buffers[i].bo != NULL) {
 347             OUT_BCS_RELOC(batch, mfc_context->direct_mv_buffers[i].bo,
 348                           I915_GEM_DOMAIN_INSTRUCTION, 0,
 349                           0);
 350         } else {
 351             OUT_BCS_BATCH(batch, 0);
 352         }
 353     }
 354
 355     /* POL list */
 356     for(i = 0; i < 32; i++) {
 357         OUT_BCS_BATCH(batch, i/2);
 358     }
 359     OUT_BCS_BATCH(batch, 0);
 360     OUT_BCS_BATCH(batch, 0);
 361
 362     ADVANCE_BCS_BATCH(batch);
 363 }
 364
 365 static void
 366 gen6_mfc_avc_slice_state(VADriverContextP ctx,
 367                          VAEncPictureParameterBufferH264 *pic_param,
 368                          VAEncSliceParameterBufferH264 *slice_param,
 369                          struct encode_state *encode_state,
 370                          struct intel_encoder_context *encoder_context,
 371                          int rate_control_enable,
 372                          int qp,
 373                          struct intel_batchbuffer *batch)
 374 {
 375     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 376     int width_in_mbs = (mfc_context->surface_state.width + 15) / 16;
 377     int height_in_mbs = (mfc_context->surface_state.height + 15) / 16;
 378     int beginmb = slice_param->macroblock_address;
 379     int endmb = beginmb + slice_param->num_macroblocks;
 380     int beginx = beginmb % width_in_mbs;
 381     int beginy = beginmb / width_in_mbs;
 382     int nextx =  endmb % width_in_mbs;
 383     int nexty = endmb / width_in_mbs;
 384     int slice_type = slice_param->slice_type;
 385     int last_slice = (endmb == (width_in_mbs * height_in_mbs));
 386     int bit_rate_control_target, maxQpN, maxQpP;
 387     unsigned char correct[6], grow, shrink;
 388     int i;
 389     int weighted_pred_idc = 0;
 390     unsigned int luma_log2_weight_denom = slice_param->luma_log2_weight_denom;
 391     unsigned int chroma_log2_weight_denom = slice_param->chroma_log2_weight_denom;
 392
 393     if (batch == NULL)
 394         batch = encoder_context->base.batch;
 395
 396     bit_rate_control_target = slice_type;
 397     if (slice_type == SLICE_TYPE_SP)
 398         bit_rate_control_target = SLICE_TYPE_P;
 399     else if (slice_type == SLICE_TYPE_SI)
 400         bit_rate_control_target = SLICE_TYPE_I;
 401
 402     if (slice_type == SLICE_TYPE_P) {
 403         weighted_pred_idc = pic_param->pic_fields.bits.weighted_pred_flag;
 404     } else if (slice_type == SLICE_TYPE_B) {
 405         weighted_pred_idc = pic_param->pic_fields.bits.weighted_bipred_idc;
 406
 407         if (weighted_pred_idc == 2) {
 408             /* 8.4.3 - Derivation process for prediction weights (8-279) */
 409             luma_log2_weight_denom = 5;
 410             chroma_log2_weight_denom = 5;
 411         }
 412     }
 413
 414     maxQpN = mfc_context->bit_rate_control_context[bit_rate_control_target].MaxQpNegModifier;
 415     maxQpP = mfc_context->bit_rate_control_context[bit_rate_control_target].MaxQpPosModifier;
 416
 417     for (i = 0; i < 6; i++)
 418         correct[i] = mfc_context->bit_rate_control_context[bit_rate_control_target].Correct[i];
 419
 420     grow = mfc_context->bit_rate_control_context[bit_rate_control_target].GrowInit +
 421         (mfc_context->bit_rate_control_context[bit_rate_control_target].GrowResistance << 4);
 422     shrink = mfc_context->bit_rate_control_context[bit_rate_control_target].ShrinkInit +
 423         (mfc_context->bit_rate_control_context[bit_rate_control_target].ShrinkResistance << 4);
 424
 425     BEGIN_BCS_BATCH(batch, 11);;
 426
 427     OUT_BCS_BATCH(batch, MFX_AVC_SLICE_STATE | (11 - 2) );
 428     OUT_BCS_BATCH(batch, slice_type);                   /*Slice Type: I:P:B Slice*/
 429
 430     if (slice_type == SLICE_TYPE_I) {
 431         OUT_BCS_BATCH(batch, 0);                        /*no reference frames and pred_weight_table*/
 432     } else {
 433         OUT_BCS_BATCH(batch,
 434                       (1 << 16) |                       /*1 reference frame*/
 435                       (chroma_log2_weight_denom << 8) |
 436                       (luma_log2_weight_denom << 0));
 437     }
 438
 439     OUT_BCS_BATCH(batch,
 440                   (weighted_pred_idc << 30) |
 441                   (slice_param->direct_spatial_mv_pred_flag<<29) |             /*Direct Prediction Type*/
 442                   (slice_param->disable_deblocking_filter_idc << 27) |
 443                   (slice_param->cabac_init_idc << 24) |
 444                   (qp<<16) |                    /*Slice Quantization Parameter*/
 445                   ((slice_param->slice_beta_offset_div2 & 0xf) << 8) |
 446                   ((slice_param->slice_alpha_c0_offset_div2 & 0xf) << 0));
 447     OUT_BCS_BATCH(batch,
 448                   (beginy << 24) |                      /*First MB X&Y , the begin postion of current slice*/
 449                   (beginx << 16) |
 450                   slice_param->macroblock_address );
 451     OUT_BCS_BATCH(batch, (nexty << 16) | nextx);                       /*Next slice first MB X&Y*/
 452     OUT_BCS_BATCH(batch,
 453                   (0/*rate_control_enable*/ << 31) |            /*in CBR mode RateControlCounterEnable = enable*/
 454                   (1 << 30) |           /*ResetRateControlCounter*/
 455                   (0 << 28) |           /*RC Triggle Mode = Always Rate Control*/
 456                   (4 << 24) |     /*RC Stable Tolerance, middle level*/
 457                   (0/*rate_control_enable*/ << 23) |     /*RC Panic Enable*/
 458                   (0 << 22) |     /*QP mode, don't modfiy CBP*/
 459                   (0 << 21) |     /*MB Type Direct Conversion Enabled*/
 460                   (0 << 20) |     /*MB Type Skip Conversion Enabled*/
 461                   (last_slice << 19) |     /*IsLastSlice*/
 462                   (0 << 18) |   /*BitstreamOutputFlag Compressed BitStream Output Disable Flag 0:enable 1:disable*/
 463                   (1 << 17) |       /*HeaderPresentFlag*/
 464                   (1 << 16) |       /*SliceData PresentFlag*/
 465                   (1 << 15) |       /*TailPresentFlag*/
 466                   (1 << 13) |       /*RBSP NAL TYPE*/
 467                   (0 << 12) );    /*CabacZeroWordInsertionEnable*/
 468     OUT_BCS_BATCH(batch, mfc_context->mfc_indirect_pak_bse_object.offset);
 469     OUT_BCS_BATCH(batch,
 470                   (maxQpN << 24) |     /*Target QP - 24 is lowest QP*/
 471                   (maxQpP << 16) |     /*Target QP + 20 is highest QP*/
 472                   (shrink << 8)  |
 473                   (grow << 0));
 474     OUT_BCS_BATCH(batch,
 475                   (correct[5] << 20) |
 476                   (correct[4] << 16) |
 477                   (correct[3] << 12) |
 478                   (correct[2] << 8) |
 479                   (correct[1] << 4) |
 480                   (correct[0] << 0));
 481     OUT_BCS_BATCH(batch, 0);
 482
 483     ADVANCE_BCS_BATCH(batch);
 484 }
 485
 486 static void gen6_mfc_avc_qm_state(VADriverContextP ctx, struct intel_encoder_context *encoder_context)
 487 {
 488     struct intel_batchbuffer *batch = encoder_context->base.batch;
 489     int i;
 490
 491     BEGIN_BCS_BATCH(batch, 58);
 492
 493     OUT_BCS_BATCH(batch, MFX_AVC_QM_STATE | 56);
 494     OUT_BCS_BATCH(batch, 0xFF ) ;
 495     for( i = 0; i < 56; i++) {
 496         OUT_BCS_BATCH(batch, 0x10101010);
 497     }
 498
 499     ADVANCE_BCS_BATCH(batch);
 500 }
 501
 502 static void gen6_mfc_avc_fqm_state(VADriverContextP ctx, struct intel_encoder_context *encoder_context)
 503 {
 504     struct intel_batchbuffer *batch = encoder_context->base.batch;
 505     int i;
 506
 507     BEGIN_BCS_BATCH(batch, 113);
 508     OUT_BCS_BATCH(batch, MFC_AVC_FQM_STATE | (113 - 2));
 509
 510     for(i = 0; i < 112;i++) {
 511         OUT_BCS_BATCH(batch, 0x10001000);
 512     }
 513
 514     ADVANCE_BCS_BATCH(batch);
 515 }
 516
 517 static void
 518 gen6_mfc_avc_ref_idx_state(VADriverContextP ctx, struct intel_encoder_context *encoder_context)
 519 {
 520     struct intel_batchbuffer *batch = encoder_context->base.batch;
 521     int i;
 522
 523     BEGIN_BCS_BATCH(batch, 10);
 524     OUT_BCS_BATCH(batch, MFX_AVC_REF_IDX_STATE | 8);
 525     OUT_BCS_BATCH(batch, 0);                  //Select L0
 526     OUT_BCS_BATCH(batch, 0x80808020);         //Only 1 reference
 527     for(i = 0; i < 7; i++) {
 528         OUT_BCS_BATCH(batch, 0x80808080);
 529     }
 530     ADVANCE_BCS_BATCH(batch);
 531
 532     BEGIN_BCS_BATCH(batch, 10);
 533     OUT_BCS_BATCH(batch, MFX_AVC_REF_IDX_STATE | 8);
 534     OUT_BCS_BATCH(batch, 1);                  //Select L1
 535     OUT_BCS_BATCH(batch, 0x80808022);         //Only 1 reference
 536     for(i = 0; i < 7; i++) {
 537         OUT_BCS_BATCH(batch, 0x80808080);
 538     }
 539     ADVANCE_BCS_BATCH(batch);
 540 }
 541
 542 static void
 543 gen6_mfc_avc_insert_object(VADriverContextP ctx, struct intel_encoder_context *encoder_context,
 544                            unsigned int *insert_data, int lenght_in_dws, int data_bits_in_last_dw,
 545                            int skip_emul_byte_count, int is_last_header, int is_end_of_slice, int emulation_flag,
 546                            struct intel_batchbuffer *batch)
 547 {
 548     if (batch == NULL)
 549         batch = encoder_context->base.batch;
 550
 551     BEGIN_BCS_BATCH(batch, lenght_in_dws + 2);
 552
 553     OUT_BCS_BATCH(batch, MFC_AVC_INSERT_OBJECT | (lenght_in_dws + 2 - 2));
 554
 555     OUT_BCS_BATCH(batch,
 556                   (0 << 16) |   /* always start at offset 0 */
 557                   (data_bits_in_last_dw << 8) |
 558                   (skip_emul_byte_count << 4) |
 559                   (!!emulation_flag << 3) |
 560                   ((!!is_last_header) << 2) |
 561                   ((!!is_end_of_slice) << 1) |
 562                   (0 << 0));    /* FIXME: ??? */
 563
 564     intel_batchbuffer_data(batch, insert_data, lenght_in_dws * 4);
 565     ADVANCE_BCS_BATCH(batch);
 566 }
 567
 568 static void gen6_mfc_init(VADriverContextP ctx, struct intel_encoder_context *encoder_context)
 569 {
 570     struct i965_driver_data *i965 = i965_driver_data(ctx);
 571     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 572     dri_bo *bo;
 573     int i;
 574
 575     /*Encode common setup for MFC*/
 576     dri_bo_unreference(mfc_context->post_deblocking_output.bo);
 577     mfc_context->post_deblocking_output.bo = NULL;
 578
 579     dri_bo_unreference(mfc_context->pre_deblocking_output.bo);
 580     mfc_context->pre_deblocking_output.bo = NULL;
 581
 582     dri_bo_unreference(mfc_context->uncompressed_picture_source.bo);
 583     mfc_context->uncompressed_picture_source.bo = NULL;
 584
 585     dri_bo_unreference(mfc_context->mfc_indirect_pak_bse_object.bo);
 586     mfc_context->mfc_indirect_pak_bse_object.bo = NULL;
 587
 588     for (i = 0; i < NUM_MFC_DMV_BUFFERS; i++){
 589         if ( mfc_context->direct_mv_buffers[i].bo != NULL);
 590         dri_bo_unreference(mfc_context->direct_mv_buffers[i].bo);
 591         mfc_context->direct_mv_buffers[i].bo = NULL;
 592     }
 593
 594     for (i = 0; i < MAX_MFC_REFERENCE_SURFACES; i++){
 595         if (mfc_context->reference_surfaces[i].bo != NULL)
 596             dri_bo_unreference(mfc_context->reference_surfaces[i].bo);
 597         mfc_context->reference_surfaces[i].bo = NULL;
 598     }
 599
 600     dri_bo_unreference(mfc_context->intra_row_store_scratch_buffer.bo);
 601     bo = dri_bo_alloc(i965->intel.bufmgr,
 602                       "Buffer",
 603                       128 * 64,
 604                       64);
 605     assert(bo);
 606     mfc_context->intra_row_store_scratch_buffer.bo = bo;
 607
 608     dri_bo_unreference(mfc_context->macroblock_status_buffer.bo);
 609     bo = dri_bo_alloc(i965->intel.bufmgr,
 610                       "Buffer",
 611                       128*128*16,
 612                       64);
 613     assert(bo);
 614     mfc_context->macroblock_status_buffer.bo = bo;
 615
 616     dri_bo_unreference(mfc_context->deblocking_filter_row_store_scratch_buffer.bo);
 617     bo = dri_bo_alloc(i965->intel.bufmgr,
 618                       "Buffer",
 619                       49152,  /* 6 * 128 * 64 */
 620                       64);
 621     assert(bo);
 622     mfc_context->deblocking_filter_row_store_scratch_buffer.bo = bo;
 623
 624     dri_bo_unreference(mfc_context->bsd_mpc_row_store_scratch_buffer.bo);
 625     bo = dri_bo_alloc(i965->intel.bufmgr,
 626                       "Buffer",
 627                       12288, /* 1.5 * 128 * 64 */
 628                       0x1000);
 629     assert(bo);
 630     mfc_context->bsd_mpc_row_store_scratch_buffer.bo = bo;
 631
 632     dri_bo_unreference(mfc_context->mfc_batchbuffer_surface.bo);
 633     mfc_context->mfc_batchbuffer_surface.bo = NULL;
 634
 635     dri_bo_unreference(mfc_context->aux_batchbuffer_surface.bo);
 636     mfc_context->aux_batchbuffer_surface.bo = NULL;
 637
 638     if (mfc_context->aux_batchbuffer)
 639         intel_batchbuffer_free(mfc_context->aux_batchbuffer);
 640
 641     mfc_context->aux_batchbuffer = intel_batchbuffer_new(&i965->intel, I915_EXEC_BSD);
 642     mfc_context->aux_batchbuffer_surface.bo = mfc_context->aux_batchbuffer->buffer;
 643     dri_bo_reference(mfc_context->aux_batchbuffer_surface.bo);
 644     mfc_context->aux_batchbuffer_surface.pitch = 16;
 645     mfc_context->aux_batchbuffer_surface.num_blocks = mfc_context->aux_batchbuffer->size / 16;
 646     mfc_context->aux_batchbuffer_surface.size_block = 16;
 647
 648     i965_gpe_context_init(ctx, &mfc_context->gpe_context);
 649 }
 650
 651 static void gen6_mfc_avc_pipeline_header_programing(VADriverContextP ctx,
 652                                                     struct encode_state *encode_state,
 653                                                     struct intel_encoder_context *encoder_context,
 654                                                     struct intel_batchbuffer *slice_batch)
 655 {
 656     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 657     int idx = va_enc_packed_type_to_idx(VAEncPackedHeaderH264_SPS);
 658
 659     if (encode_state->packed_header_data[idx]) {
 660         VAEncPackedHeaderParameterBuffer *param = NULL;
 661         unsigned int *header_data = (unsigned int *)encode_state->packed_header_data[idx]->buffer;
 662         unsigned int length_in_bits;
 663
 664         assert(encode_state->packed_header_param[idx]);
 665         param = (VAEncPackedHeaderParameterBuffer *)encode_state->packed_header_param[idx]->buffer;
 666         length_in_bits = param->bit_length;
 667
 668         mfc_context->insert_object(ctx,
 669                                    encoder_context,
 670                                    header_data,
 671                                    ALIGN(length_in_bits, 32) >> 5,
 672                                    length_in_bits & 0x1f,
 673                                    5,   /* FIXME: check it */
 674                                    0,
 675                                    0,
 676                                    !param->has_emulation_bytes,
 677                                    slice_batch);
 678     }
 679
 680     idx = va_enc_packed_type_to_idx(VAEncPackedHeaderH264_PPS);
 681
 682     if (encode_state->packed_header_data[idx]) {
 683         VAEncPackedHeaderParameterBuffer *param = NULL;
 684         unsigned int *header_data = (unsigned int *)encode_state->packed_header_data[idx]->buffer;
 685         unsigned int length_in_bits;
 686
 687         assert(encode_state->packed_header_param[idx]);
 688         param = (VAEncPackedHeaderParameterBuffer *)encode_state->packed_header_param[idx]->buffer;
 689         length_in_bits = param->bit_length;
 690
 691         mfc_context->insert_object(ctx,
 692                                    encoder_context,
 693                                    header_data,
 694                                    ALIGN(length_in_bits, 32) >> 5,
 695                                    length_in_bits & 0x1f,
 696                                    5, /* FIXME: check it */
 697                                    0,
 698                                    0,
 699                                    !param->has_emulation_bytes,
 700                                    slice_batch);
 701     }
 702
 703     idx = va_enc_packed_type_to_idx(VAEncPackedHeaderH264_SEI);
 704
 705     if (encode_state->packed_header_data[idx]) {
 706         VAEncPackedHeaderParameterBuffer *param = NULL;
 707         unsigned int *header_data = (unsigned int *)encode_state->packed_header_data[idx]->buffer;
 708         unsigned int length_in_bits;
 709
 710         assert(encode_state->packed_header_param[idx]);
 711         param = (VAEncPackedHeaderParameterBuffer *)encode_state->packed_header_param[idx]->buffer;
 712         length_in_bits = param->bit_length;
 713
 714         mfc_context->insert_object(ctx,
 715                                    encoder_context,
 716                                    header_data,
 717                                    ALIGN(length_in_bits, 32) >> 5,
 718                                    length_in_bits & 0x1f,
 719                                    5, /* FIXME: check it */
 720                                    0,
 721                                    0,
 722                                    !param->has_emulation_bytes,
 723                                    slice_batch);
 724     }
 725 }
 726
 727 static void gen6_mfc_avc_pipeline_picture_programing( VADriverContextP ctx,
 728                                       struct encode_state *encode_state,
 729                                       struct intel_encoder_context *encoder_context)
 730 {
 731     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 732
 733     mfc_context->pipe_mode_select(ctx, MFX_FORMAT_AVC, encoder_context);
 734     mfc_context->set_surface_state(ctx, encoder_context);
 735     mfc_context->ind_obj_base_addr_state(ctx, encoder_context);
 736     gen6_mfc_pipe_buf_addr_state(ctx, encoder_context);
 737     gen6_mfc_bsp_buf_base_addr_state(ctx, encoder_context);
 738     mfc_context->avc_img_state(ctx, encode_state, encoder_context);
 739     mfc_context->avc_qm_state(ctx, encoder_context);
 740     mfc_context->avc_fqm_state(ctx, encoder_context);
 741     gen6_mfc_avc_directmode_state(ctx, encoder_context);
 742     gen6_mfc_avc_ref_idx_state(ctx, encoder_context);
 743 }
 744
 745 static void
 746 gen6_mfc_free_avc_surface(void **data)
 747 {
 748     struct gen6_mfc_avc_surface_aux *avc_surface = *data;
 749
 750     if (!avc_surface)
 751         return;
 752
 753     dri_bo_unreference(avc_surface->dmv_top);
 754     avc_surface->dmv_top = NULL;
 755     dri_bo_unreference(avc_surface->dmv_bottom);
 756     avc_surface->dmv_bottom = NULL;
 757
 758     free(avc_surface);
 759     *data = NULL;
 760 }
 761
 762 static void
 763 gen6_mfc_bit_rate_control_context_init(struct encode_state *encode_state,
 764                                        struct gen6_mfc_context *mfc_context)
 765 {
 766     VAEncSequenceParameterBufferH264 *pSequenceParameter = (VAEncSequenceParameterBufferH264 *)encode_state->seq_param_ext->buffer;
 767     int width_in_mbs = (mfc_context->surface_state.width + 15) / 16;
 768     int height_in_mbs = (mfc_context->surface_state.height + 15) / 16;
 769     float fps =  pSequenceParameter->time_scale * 0.5 / pSequenceParameter->num_units_in_tick ;
 770     int inter_mb_size = pSequenceParameter->bits_per_second * 1.0 / (fps+4.0) / width_in_mbs / height_in_mbs;
 771     int intra_mb_size = inter_mb_size * 5.0;
 772     int i;
 773
 774     mfc_context->bit_rate_control_context[SLICE_TYPE_I].target_mb_size = intra_mb_size;
 775     mfc_context->bit_rate_control_context[SLICE_TYPE_I].target_frame_size = intra_mb_size * width_in_mbs * height_in_mbs;
 776     mfc_context->bit_rate_control_context[SLICE_TYPE_P].target_mb_size = inter_mb_size;
 777     mfc_context->bit_rate_control_context[SLICE_TYPE_P].target_frame_size = inter_mb_size * width_in_mbs * height_in_mbs;
 778     mfc_context->bit_rate_control_context[SLICE_TYPE_B].target_mb_size = inter_mb_size;
 779     mfc_context->bit_rate_control_context[SLICE_TYPE_B].target_frame_size = inter_mb_size * width_in_mbs * height_in_mbs;
 780
 781     for(i = 0 ; i < 3; i++) {
 782         mfc_context->bit_rate_control_context[i].QpPrimeY = 26;
 783         mfc_context->bit_rate_control_context[i].MaxQpNegModifier = 6;
 784         mfc_context->bit_rate_control_context[i].MaxQpPosModifier = 6;
 785         mfc_context->bit_rate_control_context[i].GrowInit = 6;
 786         mfc_context->bit_rate_control_context[i].GrowResistance = 4;
 787         mfc_context->bit_rate_control_context[i].ShrinkInit = 6;
 788         mfc_context->bit_rate_control_context[i].ShrinkResistance = 4;
 789
 790         mfc_context->bit_rate_control_context[i].Correct[0] = 8;
 791         mfc_context->bit_rate_control_context[i].Correct[1] = 4;
 792         mfc_context->bit_rate_control_context[i].Correct[2] = 2;
 793         mfc_context->bit_rate_control_context[i].Correct[3] = 2;
 794         mfc_context->bit_rate_control_context[i].Correct[4] = 4;
 795         mfc_context->bit_rate_control_context[i].Correct[5] = 8;
 796     }
 797
 798     mfc_context->bit_rate_control_context[SLICE_TYPE_I].TargetSizeInWord = (intra_mb_size + 16)/ 16;
 799     mfc_context->bit_rate_control_context[SLICE_TYPE_P].TargetSizeInWord = (inter_mb_size + 16)/ 16;
 800     mfc_context->bit_rate_control_context[SLICE_TYPE_B].TargetSizeInWord = (inter_mb_size + 16)/ 16;
 801
 802     mfc_context->bit_rate_control_context[SLICE_TYPE_I].MaxSizeInWord = mfc_context->bit_rate_control_context[SLICE_TYPE_I].TargetSizeInWord * 1.5;
 803     mfc_context->bit_rate_control_context[SLICE_TYPE_P].MaxSizeInWord = mfc_context->bit_rate_control_context[SLICE_TYPE_P].TargetSizeInWord * 1.5;
 804     mfc_context->bit_rate_control_context[SLICE_TYPE_B].MaxSizeInWord = mfc_context->bit_rate_control_context[SLICE_TYPE_B].TargetSizeInWord * 1.5;
 805 }
 806
 807 static void
 808 gen6_mfc_brc_init(struct encode_state *encode_state,
 809                   struct intel_encoder_context* encoder_context)
 810 {
 811     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 812     VAEncSequenceParameterBufferH264 *pSequenceParameter = (VAEncSequenceParameterBufferH264 *)encode_state->seq_param_ext->buffer;
 813     VAEncMiscParameterBuffer* pMiscParamHRD = (VAEncMiscParameterBuffer*)encode_state->misc_param[VAEncMiscParameterTypeHRD]->buffer;
 814     VAEncMiscParameterHRD* pParameterHRD = (VAEncMiscParameterBuffer*)pMiscParamHRD->data;
 815     double bitrate = pSequenceParameter->bits_per_second;
 816     double framerate = (double)pSequenceParameter->time_scale /(2 * (double)pSequenceParameter->num_units_in_tick);
 817     int inum = 1, pnum = 0, bnum = 0; /* Gop structure: number of I, P, B frames in the Gop. */
 818     int intra_period = pSequenceParameter->intra_period;
 819     int ip_period = pSequenceParameter->ip_period;
 820     double qp1_size = 0.1 * 8 * 3 * (pSequenceParameter->picture_width_in_mbs<<4) * (pSequenceParameter->picture_height_in_mbs<<4)/2;
 821     double qp51_size = 0.001 * 8 * 3 * (pSequenceParameter->picture_width_in_mbs<<4) * (pSequenceParameter->picture_height_in_mbs<<4)/2;
 822     double bpf;
 823
 824     if (pSequenceParameter->ip_period) {
 825         pnum = (intra_period + ip_period - 1)/ip_period - 1;
 826         bnum = intra_period - inum - pnum;
 827     }
 828
 829     mfc_context->brc.mode = encoder_context->rate_control_mode;
 830
 831     mfc_context->brc.target_frame_size[SLICE_TYPE_I] = (int)((double)((bitrate * intra_period)/framerate) /
 832                                                              (double)(inum + BRC_PWEIGHT * pnum + BRC_BWEIGHT * bnum));
 833     mfc_context->brc.target_frame_size[SLICE_TYPE_P] = BRC_PWEIGHT * mfc_context->brc.target_frame_size[SLICE_TYPE_I];
 834     mfc_context->brc.target_frame_size[SLICE_TYPE_B] = BRC_BWEIGHT * mfc_context->brc.target_frame_size[SLICE_TYPE_I];
 835
 836     mfc_context->brc.gop_nums[SLICE_TYPE_I] = inum;
 837     mfc_context->brc.gop_nums[SLICE_TYPE_P] = pnum;
 838     mfc_context->brc.gop_nums[SLICE_TYPE_B] = bnum;
 839
 840     bpf = mfc_context->brc.bits_per_frame = bitrate/framerate;
 841
 842     mfc_context->hrd.buffer_size = (double)pParameterHRD->buffer_size;
 843     mfc_context->hrd.current_buffer_fullness =
 844         (double)(pParameterHRD->initial_buffer_fullness < mfc_context->hrd.buffer_size)?
 845             pParameterHRD->initial_buffer_fullness: mfc_context->hrd.buffer_size/2.;
 846     mfc_context->hrd.target_buffer_fullness = (double)mfc_context->hrd.buffer_size/2.;
 847     mfc_context->hrd.buffer_capacity = (double)mfc_context->hrd.buffer_size/qp1_size;
 848     mfc_context->hrd.violation_noted = 0;
 849
 850     if ((bpf > qp51_size) && (bpf < qp1_size)) {
 851         mfc_context->bit_rate_control_context[SLICE_TYPE_P].QpPrimeY = 51 - 50*(bpf - qp51_size)/(qp1_size - qp51_size);
 852     }
 853     else if (bpf >= qp1_size)
 854         mfc_context->bit_rate_control_context[SLICE_TYPE_P].QpPrimeY = 1;
 855     else if (bpf <= qp51_size)
 856         mfc_context->bit_rate_control_context[SLICE_TYPE_P].QpPrimeY = 51;
 857
 858     mfc_context->bit_rate_control_context[SLICE_TYPE_I].QpPrimeY = mfc_context->bit_rate_control_context[SLICE_TYPE_P].QpPrimeY;
 859     mfc_context->bit_rate_control_context[SLICE_TYPE_B].QpPrimeY = mfc_context->bit_rate_control_context[SLICE_TYPE_I].QpPrimeY;
 860
 861     BRC_CLIP(mfc_context->bit_rate_control_context[SLICE_TYPE_I].QpPrimeY, 1, 51);
 862     BRC_CLIP(mfc_context->bit_rate_control_context[SLICE_TYPE_P].QpPrimeY, 1, 51);
 863     BRC_CLIP(mfc_context->bit_rate_control_context[SLICE_TYPE_B].QpPrimeY, 1, 51);
 864 }
 865
 866 static int gen6_mfc_update_hrd(struct encode_state *encode_state,
 867                                struct gen6_mfc_context *mfc_context,
 868                                int frame_bits)
 869 {
 870     double prev_bf = mfc_context->hrd.current_buffer_fullness;
 871
 872     mfc_context->hrd.current_buffer_fullness -= frame_bits;
 873
 874     if (mfc_context->hrd.buffer_size > 0 && mfc_context->hrd.current_buffer_fullness <= 0.) {
 875         mfc_context->hrd.current_buffer_fullness = prev_bf;
 876         return BRC_UNDERFLOW;
 877     }
 878
 879     mfc_context->hrd.current_buffer_fullness += mfc_context->brc.bits_per_frame;
 880     if (mfc_context->hrd.buffer_size > 0 && mfc_context->hrd.current_buffer_fullness > mfc_context->hrd.buffer_size) {
 881         if (mfc_context->brc.mode == VA_RC_VBR)
 882             mfc_context->hrd.current_buffer_fullness = mfc_context->hrd.buffer_size;
 883         else {
 884             mfc_context->hrd.current_buffer_fullness = prev_bf;
 885             return BRC_OVERFLOW;
 886         }
 887     }
 888     return BRC_NO_HRD_VIOLATION;
 889 }
 890
 891 static int gen6_mfc_brc_postpack(struct encode_state *encode_state,
 892                                  struct gen6_mfc_context *mfc_context,
 893                                  int frame_bits)
 894 {
 895     gen6_brc_status sts = BRC_NO_HRD_VIOLATION;
 896     VAEncSliceParameterBufferH264 *pSliceParameter = (VAEncSliceParameterBufferH264 *)encode_state->slice_params_ext[0]->buffer;
 897     int slicetype = pSliceParameter->slice_type;
 898     int qpi = mfc_context->bit_rate_control_context[SLICE_TYPE_I].QpPrimeY;
 899     int qpp = mfc_context->bit_rate_control_context[SLICE_TYPE_P].QpPrimeY;
 900     int qpb = mfc_context->bit_rate_control_context[SLICE_TYPE_B].QpPrimeY;
 901     int qp; // quantizer of previously encoded slice of current type
 902     int qpn; // predicted quantizer for next frame of current type in integer format
 903     double qpf; // predicted quantizer for next frame of current type in float format
 904     double delta_qp; // QP correction
 905     int target_frame_size, frame_size_next;
 906     /* Notes:
 907      *  x - how far we are from HRD buffer borders
 908      *  y - how far we are from target HRD buffer fullness
 909      */
 910     double x, y;
 911     double frame_size_alpha;
 912
 913     if (slicetype == SLICE_TYPE_SP)
 914         slicetype = SLICE_TYPE_P;
 915     else if (slicetype == SLICE_TYPE_SI)
 916         slicetype = SLICE_TYPE_I;
 917
 918     qp = mfc_context->bit_rate_control_context[slicetype].QpPrimeY;
 919
 920     target_frame_size = mfc_context->brc.target_frame_size[slicetype];
 921     if (mfc_context->hrd.buffer_capacity < 5)
 922         frame_size_alpha = 0;
 923     else
 924         frame_size_alpha = (double)mfc_context->brc.gop_nums[slicetype];
 925     if (frame_size_alpha > 30) frame_size_alpha = 30;
 926     frame_size_next = target_frame_size + (double)(target_frame_size - frame_bits) /
 927                                           (double)(frame_size_alpha + 1.);
 928
 929     /* frame_size_next: avoiding negative number and too small value */
 930     if ((double)frame_size_next < (double)(target_frame_size * 0.25))
 931         frame_size_next = (int)((double)target_frame_size * 0.25);
 932
 933     qpf = (double)qp * target_frame_size / frame_size_next;
 934     qpn = (int)(qpf + 0.5);
 935
 936     if (qpn == qp) {
 937         /* setting qpn we round qpf making mistakes: now we are trying to compensate this */
 938         mfc_context->brc.qpf_rounding_accumulator += qpf - qpn;
 939         if (mfc_context->brc.qpf_rounding_accumulator > 1.0) {
 940             qpn++;
 941             mfc_context->brc.qpf_rounding_accumulator = 0.;
 942         } else if (mfc_context->brc.qpf_rounding_accumulator < -1.0) {
 943             qpn--;
 944             mfc_context->brc.qpf_rounding_accumulator = 0.;
 945         }
 946     }
 947     /* making sure that QP is not changing too fast */
 948     if ((qpn - qp) > BRC_QP_MAX_CHANGE) qpn = qp + BRC_QP_MAX_CHANGE;
 949     else if ((qpn - qp) < -BRC_QP_MAX_CHANGE) qpn = qp - BRC_QP_MAX_CHANGE;
 950     /* making sure that with QP predictions we did do not leave QPs range */
 951     BRC_CLIP(qpn, 1, 51);
 952
 953     /* checking wthether HRD compliance is still met */
 954     sts = gen6_mfc_update_hrd(encode_state, mfc_context, frame_bits);
 955
 956     /* calculating QP delta as some function*/
 957     x = mfc_context->hrd.target_buffer_fullness - mfc_context->hrd.current_buffer_fullness;
 958     if (x > 0) {
 959         x /= mfc_context->hrd.target_buffer_fullness;
 960         y = mfc_context->hrd.current_buffer_fullness;
 961     }
 962     else {
 963         x /= (mfc_context->hrd.buffer_size - mfc_context->hrd.target_buffer_fullness);
 964         y = mfc_context->hrd.buffer_size - mfc_context->hrd.current_buffer_fullness;
 965     }
 966     if (y < 0.01) y = 0.01;
 967     if (x > 1) x = 1;
 968     else if (x < -1) x = -1;
 969
 970     delta_qp = BRC_QP_MAX_CHANGE*exp(-1/y)*sin(BRC_PI_0_5 * x);
 971     qpn = (int)(qpn + delta_qp + 0.5);
 972
 973     /* making sure that with QP predictions we did do not leave QPs range */
 974     BRC_CLIP(qpn, 1, 51);
 975
 976     if (sts == BRC_NO_HRD_VIOLATION) { // no HRD violation
 977         /* correcting QPs of slices of other types */
 978         if (slicetype == SLICE_TYPE_P) {
 979             if (abs(qpn + BRC_P_B_QP_DIFF - qpb) > 2)
 980                 mfc_context->bit_rate_control_context[SLICE_TYPE_B].QpPrimeY += (qpn + BRC_P_B_QP_DIFF - qpb) >> 1;
 981             if (abs(qpn - BRC_I_P_QP_DIFF - qpi) > 2)
 982                 mfc_context->bit_rate_control_context[SLICE_TYPE_I].QpPrimeY += (qpn - BRC_I_P_QP_DIFF - qpi) >> 1;
 983         } else if (slicetype == SLICE_TYPE_I) {
 984             if (abs(qpn + BRC_I_B_QP_DIFF - qpb) > 4)
 985                 mfc_context->bit_rate_control_context[SLICE_TYPE_B].QpPrimeY += (qpn + BRC_I_B_QP_DIFF - qpb) >> 2;
 986             if (abs(qpn + BRC_I_P_QP_DIFF - qpp) > 2)
 987                 mfc_context->bit_rate_control_context[SLICE_TYPE_P].QpPrimeY += (qpn + BRC_I_P_QP_DIFF - qpp) >> 2;
 988         } else { // SLICE_TYPE_B
 989             if (abs(qpn - BRC_P_B_QP_DIFF - qpp) > 2)
 990                 mfc_context->bit_rate_control_context[SLICE_TYPE_P].QpPrimeY += (qpn - BRC_P_B_QP_DIFF - qpp) >> 1;
 991             if (abs(qpn - BRC_I_B_QP_DIFF - qpi) > 4)
 992                 mfc_context->bit_rate_control_context[SLICE_TYPE_I].QpPrimeY += (qpn - BRC_I_B_QP_DIFF - qpi) >> 2;
 993         }
 994         BRC_CLIP(mfc_context->bit_rate_control_context[SLICE_TYPE_I].QpPrimeY, 1, 51);
 995         BRC_CLIP(mfc_context->bit_rate_control_context[SLICE_TYPE_P].QpPrimeY, 1, 51);
 996         BRC_CLIP(mfc_context->bit_rate_control_context[SLICE_TYPE_B].QpPrimeY, 1, 51);
 997     } else if (sts == BRC_UNDERFLOW) { // underflow
 998         if (qpn <= qp) qpn = qp + 1;
 999         if (qpn > 51) {
1000             qpn = 51;
1001             sts = BRC_UNDERFLOW_WITH_MAX_QP; //underflow with maxQP
1002         }
1003     } else if (sts == BRC_OVERFLOW) {
1004         if (qpn >= qp) qpn = qp - 1;
1005         if (qpn < 1) { // < 0 (?) overflow with minQP
1006             qpn = 1;
1007             sts = BRC_OVERFLOW_WITH_MIN_QP; // bit stuffing to be done
1008         }
1009     }
1010
1011     mfc_context->bit_rate_control_context[slicetype].QpPrimeY = qpn;
1012
1013     return sts;
1014 }
1015
1016 static void
1017 gen6_mfc_hrd_context_init(struct encode_state *encode_state,
1018                           struct intel_encoder_context *encoder_context)
1019 {
1020     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
1021     VAEncSequenceParameterBufferH264 *pSequenceParameter = (VAEncSequenceParameterBufferH264 *)encode_state->seq_param_ext->buffer;
1022     unsigned int rate_control_mode = encoder_context->rate_control_mode;
1023     int target_bit_rate = pSequenceParameter->bits_per_second;
1024
1025     // current we only support CBR mode.
1026     if (rate_control_mode == VA_RC_CBR) {
1027         mfc_context->vui_hrd.i_bit_rate_value = target_bit_rate >> 10;
1028         mfc_context->vui_hrd.i_cpb_size_value = (target_bit_rate * 8) >> 10;
1029         mfc_context->vui_hrd.i_initial_cpb_removal_delay = mfc_context->vui_hrd.i_cpb_size_value * 0.5 * 1024 / target_bit_rate * 90000;
1030         mfc_context->vui_hrd.i_cpb_removal_delay = 2;
1031         mfc_context->vui_hrd.i_frame_number = 0;
1032
1033         mfc_context->vui_hrd.i_initial_cpb_removal_delay_length = 24;
1034         mfc_context->vui_hrd.i_cpb_removal_delay_length = 24;
1035         mfc_context->vui_hrd.i_dpb_output_delay_length = 24;
1036     }
1037
1038 }
1039
1040 static void
1041 gen6_mfc_hrd_context_update(struct encode_state *encode_state,
1042                           struct gen6_mfc_context *mfc_context)
1043 {
1044     mfc_context->vui_hrd.i_frame_number++;
1045 }
1046
1047 static VAStatus gen6_mfc_avc_prepare(VADriverContextP ctx,
1048                                      struct encode_state *encode_state,
1049                                      struct intel_encoder_context *encoder_context)
1050 {
1051     struct i965_driver_data *i965 = i965_driver_data(ctx);
1052     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
1053     struct object_surface *obj_surface;
1054     struct object_buffer *obj_buffer;
1055     struct gen6_mfc_avc_surface_aux* gen6_avc_surface;
1056     dri_bo *bo;
1057     VAEncPictureParameterBufferH264 *pPicParameter = (VAEncPictureParameterBufferH264 *)encode_state->pic_param_ext->buffer;
1058     unsigned int rate_control_mode = encoder_context->rate_control_mode;
1059     VAStatus vaStatus = VA_STATUS_SUCCESS;
1060     int i, j, enable_avc_ildb = 0;
1061     VAEncSliceParameterBufferH264 *slice_param;
1062     VACodedBufferSegment *coded_buffer_segment;
1063     unsigned char *flag = NULL;
1064
1065     for (j = 0; j < encode_state->num_slice_params_ext && enable_avc_ildb == 0; j++) {
1066         assert(encode_state->slice_params_ext && encode_state->slice_params_ext[j]->buffer);
1067         slice_param = (VAEncSliceParameterBufferH264 *)encode_state->slice_params_ext[j]->buffer;
1068
1069         for (i = 0; i < encode_state->slice_params_ext[j]->num_elements; i++) {
1070             assert((slice_param->slice_type == SLICE_TYPE_I) ||
1071                    (slice_param->slice_type == SLICE_TYPE_SI) ||
1072                    (slice_param->slice_type == SLICE_TYPE_P) ||
1073                    (slice_param->slice_type == SLICE_TYPE_SP) ||
1074                    (slice_param->slice_type == SLICE_TYPE_B));
1075
1076             if (slice_param->disable_deblocking_filter_idc != 1) {
1077                 enable_avc_ildb = 1;
1078                 break;
1079             }
1080
1081             slice_param++;
1082         }
1083     }
1084
1085     /*Setup all the input&output object*/
1086
1087     /* Setup current frame and current direct mv buffer*/
1088     obj_surface = SURFACE(pPicParameter->CurrPic.picture_id);
1089     assert(obj_surface);
1090     i965_check_alloc_surface_bo(ctx, obj_surface, 1, VA_FOURCC('N','V','1','2'), SUBSAMPLE_YUV420);
1091
1092     if ( obj_surface->private_data == NULL) {
1093         gen6_avc_surface = calloc(sizeof(struct gen6_mfc_avc_surface_aux), 1);
1094         gen6_avc_surface->dmv_top =
1095             dri_bo_alloc(i965->intel.bufmgr,
1096                          "Buffer",
1097                          68*8192,
1098                          64);
1099         gen6_avc_surface->dmv_bottom =
1100             dri_bo_alloc(i965->intel.bufmgr,
1101                          "Buffer",
1102                          68*8192,
1103                          64);
1104         assert(gen6_avc_surface->dmv_top);
1105         assert(gen6_avc_surface->dmv_bottom);
1106         obj_surface->private_data = (void *)gen6_avc_surface;
1107         obj_surface->free_private_data = (void *)gen6_mfc_free_avc_surface;
1108     }
1109     gen6_avc_surface = (struct gen6_mfc_avc_surface_aux*) obj_surface->private_data;
1110     mfc_context->direct_mv_buffers[NUM_MFC_DMV_BUFFERS - 2].bo = gen6_avc_surface->dmv_top;
1111     mfc_context->direct_mv_buffers[NUM_MFC_DMV_BUFFERS - 1].bo = gen6_avc_surface->dmv_bottom;
1112     dri_bo_reference(gen6_avc_surface->dmv_top);
1113     dri_bo_reference(gen6_avc_surface->dmv_bottom);
1114
1115     if (enable_avc_ildb) {
1116         mfc_context->post_deblocking_output.bo = obj_surface->bo;
1117         dri_bo_reference(mfc_context->post_deblocking_output.bo);
1118     } else {
1119         mfc_context->pre_deblocking_output.bo = obj_surface->bo;
1120         dri_bo_reference(mfc_context->pre_deblocking_output.bo);
1121     }
1122
1123     mfc_context->surface_state.width = obj_surface->orig_width;
1124     mfc_context->surface_state.height = obj_surface->orig_height;
1125     mfc_context->surface_state.w_pitch = obj_surface->width;
1126     mfc_context->surface_state.h_pitch = obj_surface->height;
1127
1128     /* Setup reference frames and direct mv buffers*/
1129     for(i = 0; i < MAX_MFC_REFERENCE_SURFACES; i++) {
1130         if ( pPicParameter->ReferenceFrames[i].picture_id != VA_INVALID_ID ) {
1131             obj_surface = SURFACE(pPicParameter->ReferenceFrames[i].picture_id);
1132             assert(obj_surface);
1133             if (obj_surface->bo != NULL) {
1134                 mfc_context->reference_surfaces[i].bo = obj_surface->bo;
1135                 dri_bo_reference(obj_surface->bo);
1136             }
1137             /* Check DMV buffer */
1138             if ( obj_surface->private_data == NULL) {
1139
1140                 gen6_avc_surface = calloc(sizeof(struct gen6_mfc_avc_surface_aux), 1);
1141                 gen6_avc_surface->dmv_top =
1142                     dri_bo_alloc(i965->intel.bufmgr,
1143                                  "Buffer",
1144                                  68*8192,
1145                                  64);
1146                 gen6_avc_surface->dmv_bottom =
1147                     dri_bo_alloc(i965->intel.bufmgr,
1148                                  "Buffer",
1149                                  68*8192,
1150                                  64);
1151                 assert(gen6_avc_surface->dmv_top);
1152                 assert(gen6_avc_surface->dmv_bottom);
1153                 obj_surface->private_data = gen6_avc_surface;
1154                 obj_surface->free_private_data = gen6_mfc_free_avc_surface;
1155             }
1156
1157             gen6_avc_surface = (struct gen6_mfc_avc_surface_aux*) obj_surface->private_data;
1158             /* Setup DMV buffer */
1159             mfc_context->direct_mv_buffers[i*2].bo = gen6_avc_surface->dmv_top;
1160             mfc_context->direct_mv_buffers[i*2+1].bo = gen6_avc_surface->dmv_bottom;
1161             dri_bo_reference(gen6_avc_surface->dmv_top);
1162             dri_bo_reference(gen6_avc_surface->dmv_bottom);
1163         } else {
1164             break;
1165         }
1166     }
1167
1168     obj_surface = SURFACE(encoder_context->input_yuv_surface);
1169     assert(obj_surface && obj_surface->bo);
1170     mfc_context->uncompressed_picture_source.bo = obj_surface->bo;
1171     dri_bo_reference(mfc_context->uncompressed_picture_source.bo);
1172
1173     obj_buffer = BUFFER (pPicParameter->coded_buf); /* FIXME: fix this later */
1174     bo = obj_buffer->buffer_store->bo;
1175     assert(bo);
1176     mfc_context->mfc_indirect_pak_bse_object.bo = bo;
1177     mfc_context->mfc_indirect_pak_bse_object.offset = I965_CODEDBUFFER_SIZE;
1178     mfc_context->mfc_indirect_pak_bse_object.end_offset = ALIGN(obj_buffer->size_element - 0x1000, 0x1000);
1179     dri_bo_reference(mfc_context->mfc_indirect_pak_bse_object.bo);
1180
1181     dri_bo_map(bo, 1);
1182     coded_buffer_segment = (VACodedBufferSegment *)bo->virtual;
1183     flag = (unsigned char *)(coded_buffer_segment + 1);
1184     *flag = 0;
1185     dri_bo_unmap(bo);
1186
1187     return vaStatus;
1188 }
1189
1190 static VAStatus gen6_mfc_run(VADriverContextP ctx,
1191                              struct encode_state *encode_state,
1192                              struct intel_encoder_context *encoder_context)
1193 {
1194     struct intel_batchbuffer *batch = encoder_context->base.batch;
1195
1196     intel_batchbuffer_flush(batch);             //run the pipeline
1197
1198     return VA_STATUS_SUCCESS;
1199 }
1200
1201 extern VAStatus
1202 i965_MapBuffer(VADriverContextP ctx,
1203                VABufferID buf_id,       /* in */
1204                void **pbuf);            /* out */
1205 extern VAStatus
1206 i965_UnmapBuffer(VADriverContextP ctx,
1207                  VABufferID buf_id);
1208
1209 static VAStatus
1210 gen6_mfc_stop(VADriverContextP ctx,
1211               struct encode_state *encode_state,
1212               struct intel_encoder_context *encoder_context,
1213               int *encoded_bits_size)
1214 {
1215     VAStatus vaStatus = VA_STATUS_ERROR_UNKNOWN;
1216     VAEncPictureParameterBufferH264 *pPicParameter = (VAEncPictureParameterBufferH264 *)encode_state->pic_param_ext->buffer;
1217     VACodedBufferSegment *coded_buffer_segment;
1218
1219     vaStatus = i965_MapBuffer(ctx, pPicParameter->coded_buf, (void **)&coded_buffer_segment);
1220     assert(vaStatus == VA_STATUS_SUCCESS);
1221     *encoded_bits_size = coded_buffer_segment->size * 8;
1222     i965_UnmapBuffer(ctx, pPicParameter->coded_buf);
1223
1224     return VA_STATUS_SUCCESS;
1225 }
1226
1227 #if __SOFTWARE__
1228
1229 static int
1230 gen6_mfc_avc_pak_object_intra(VADriverContextP ctx, int x, int y, int end_mb, int qp,unsigned int *msg,
1231                               struct intel_encoder_context *encoder_context,
1232                               unsigned char target_mb_size, unsigned char max_mb_size,
1233                               struct intel_batchbuffer *batch)
1234 {
1235     int len_in_dwords = 11;
1236
1237     if (batch == NULL)
1238         batch = encoder_context->base.batch;
1239
1240     BEGIN_BCS_BATCH(batch, len_in_dwords);
1241
1242     OUT_BCS_BATCH(batch, MFC_AVC_PAK_OBJECT | (len_in_dwords - 2));
1243     OUT_BCS_BATCH(batch, 0);
1244     OUT_BCS_BATCH(batch, 0);
1245     OUT_BCS_BATCH(batch,
1246                   (0 << 24) |           /* PackedMvNum, Debug*/
1247                   (0 << 20) |           /* No motion vector */
1248                   (1 << 19) |           /* CbpDcY */
1249                   (1 << 18) |           /* CbpDcU */
1250                   (1 << 17) |           /* CbpDcV */
1251                   (msg[0] & 0xFFFF) );
1252
1253     OUT_BCS_BATCH(batch, (0xFFFF << 16) | (y << 8) | x);                /* Code Block Pattern for Y*/
1254     OUT_BCS_BATCH(batch, 0x000F000F);                                                   /* Code Block Pattern */
1255     OUT_BCS_BATCH(batch, (0 << 27) | (end_mb << 26) | qp);      /* Last MB */
1256
1257     /*Stuff for Intra MB*/
1258     OUT_BCS_BATCH(batch, msg[1]);                       /* We using Intra16x16 no 4x4 predmode*/
1259     OUT_BCS_BATCH(batch, msg[2]);
1260     OUT_BCS_BATCH(batch, msg[3]&0xFC);
1261
1262     /*MaxSizeInWord and TargetSzieInWord*/
1263     OUT_BCS_BATCH(batch, (max_mb_size << 24) |
1264                   (target_mb_size << 16) );
1265
1266     ADVANCE_BCS_BATCH(batch);
1267
1268     return len_in_dwords;
1269 }
1270
1271 static int
1272 gen6_mfc_avc_pak_object_inter(VADriverContextP ctx, int x, int y, int end_mb, int qp,
1273                               unsigned int *msg, unsigned int offset,
1274                               struct intel_encoder_context *encoder_context,
1275                               unsigned char target_mb_size,unsigned char max_mb_size, int slice_type,
1276                               struct intel_batchbuffer *batch)
1277 {
1278     int len_in_dwords = 11;
1279
1280     if (batch == NULL)
1281         batch = encoder_context->base.batch;
1282
1283     BEGIN_BCS_BATCH(batch, len_in_dwords);
1284
1285     OUT_BCS_BATCH(batch, MFC_AVC_PAK_OBJECT | (len_in_dwords - 2));
1286
1287     OUT_BCS_BATCH(batch, msg[2]);         /* 32 MV*/
1288     OUT_BCS_BATCH(batch, offset);
1289
1290     OUT_BCS_BATCH(batch, msg[0]);
1291
1292     OUT_BCS_BATCH(batch, (0xFFFF<<16) | (y << 8) | x);        /* Code Block Pattern for Y*/
1293     OUT_BCS_BATCH(batch, 0x000F000F);                         /* Code Block Pattern */
1294 #if 0
1295     if ( slice_type == SLICE_TYPE_B) {
1296         OUT_BCS_BATCH(batch, (0xF<<28) | (end_mb << 26) | qp);  /* Last MB */
1297     } else {
1298         OUT_BCS_BATCH(batch, (end_mb << 26) | qp);      /* Last MB */
1299     }
1300 #else
1301     OUT_BCS_BATCH(batch, (end_mb << 26) | qp);  /* Last MB */
1302 #endif
1303
1304
1305     /*Stuff for Inter MB*/
1306     OUT_BCS_BATCH(batch, msg[1]);
1307     OUT_BCS_BATCH(batch, 0x0);
1308     OUT_BCS_BATCH(batch, 0x0);
1309
1310     /*MaxSizeInWord and TargetSzieInWord*/
1311     OUT_BCS_BATCH(batch, (max_mb_size << 24) |
1312                   (target_mb_size << 16) );
1313
1314     ADVANCE_BCS_BATCH(batch);
1315
1316     return len_in_dwords;
1317 }
1318
1319 static void
1320 gen6_mfc_avc_pipeline_slice_programing(VADriverContextP ctx,
1321                                        struct encode_state *encode_state,
1322                                        struct intel_encoder_context *encoder_context,
1323                                        int slice_index,
1324                                        struct intel_batchbuffer *slice_batch)
1325 {
1326     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
1327     struct gen6_vme_context *vme_context = encoder_context->vme_context;
1328     VAEncSequenceParameterBufferH264 *pSequenceParameter = (VAEncSequenceParameterBufferH264 *)encode_state->seq_param_ext->buffer;
1329     VAEncPictureParameterBufferH264 *pPicParameter = (VAEncPictureParameterBufferH264 *)encode_state->pic_param_ext->buffer;
1330     VAEncSliceParameterBufferH264 *pSliceParameter = (VAEncSliceParameterBufferH264 *)encode_state->slice_params_ext[slice_index]->buffer;
1331     unsigned int *msg = NULL, offset = 0;
1332     int is_intra = pSliceParameter->slice_type == SLICE_TYPE_I;
1333     int width_in_mbs = (mfc_context->surface_state.width + 15) / 16;
1334     int height_in_mbs = (mfc_context->surface_state.height + 15) / 16;
1335     int last_slice = (pSliceParameter->macroblock_address + pSliceParameter->num_macroblocks) == (width_in_mbs * height_in_mbs);
1336     int i,x,y;
1337     int qp = pPicParameter->pic_init_qp + pSliceParameter->slice_qp_delta;
1338     unsigned int rate_control_mode = encoder_context->rate_control_mode;
1339     unsigned char *slice_header = NULL;
1340     int slice_header_length_in_bits = 0;
1341     unsigned int tail_data[] = { 0x0, 0x0 };
1342     int slice_type = pSliceParameter->slice_type;
1343
1344
1345     if (rate_control_mode == VA_RC_CBR) {
1346         qp = mfc_context->bit_rate_control_context[slice_type].QpPrimeY;
1347         pSliceParameter->slice_qp_delta = qp - pPicParameter->pic_init_qp;
1348     }
1349
1350     /* only support for 8-bit pixel bit-depth */
1351     assert(pSequenceParameter->bit_depth_luma_minus8 == 0);
1352     assert(pSequenceParameter->bit_depth_chroma_minus8 == 0);
1353     assert(pPicParameter->pic_init_qp >= 0 && pPicParameter->pic_init_qp < 52);
1354     assert(qp >= 0 && qp < 52);
1355
1356     gen6_mfc_avc_slice_state(ctx,
1357                              pPicParameter,
1358                              pSliceParameter,
1359                              encode_state, encoder_context,
1360                              (rate_control_mode == VA_RC_CBR), qp, slice_batch);
1361
1362     if ( slice_index == 0)
1363         gen6_mfc_avc_pipeline_header_programing(ctx, encode_state, encoder_context, slice_batch);
1364
1365     slice_header_length_in_bits = build_avc_slice_header(pSequenceParameter, pPicParameter, pSliceParameter, &slice_header);
1366
1367     // slice hander
1368     mfc_context->insert_object(ctx, encoder_context,
1369                                (unsigned int *)slice_header, ALIGN(slice_header_length_in_bits, 32) >> 5, slice_header_length_in_bits & 0x1f,
1370                                5,  /* first 5 bytes are start code + nal unit type */
1371                                1, 0, 1, slice_batch);
1372
1373     dri_bo_map(vme_context->vme_output.bo , 1);
1374     msg = (unsigned int *)vme_context->vme_output.bo->virtual;
1375
1376     if (is_intra) {
1377         msg += pSliceParameter->macroblock_address * INTRA_VME_OUTPUT_IN_DWS;
1378     } else {
1379         msg += pSliceParameter->macroblock_address * INTER_VME_OUTPUT_IN_DWS;
1380         msg += 32; /* the first 32 DWs are MVs */
1381         offset = pSliceParameter->macroblock_address * INTER_VME_OUTPUT_IN_BYTES;
1382     }
1383
1384     for (i = pSliceParameter->macroblock_address;
1385          i < pSliceParameter->macroblock_address + pSliceParameter->num_macroblocks; i++) {
1386         int last_mb = (i == (pSliceParameter->macroblock_address + pSliceParameter->num_macroblocks - 1) );
1387         x = i % width_in_mbs;
1388         y = i / width_in_mbs;
1389
1390         if (is_intra) {
1391             assert(msg);
1392             gen6_mfc_avc_pak_object_intra(ctx, x, y, last_mb, qp, msg, encoder_context, 0, 0, slice_batch);
1393             msg += INTRA_VME_OUTPUT_IN_DWS;
1394         } else {
1395             if (msg[0] & INTRA_MB_FLAG_MASK) {
1396                 gen6_mfc_avc_pak_object_intra(ctx, x, y, last_mb, qp, msg, encoder_context, 0, 0, slice_batch);
1397             } else {
1398                 gen6_mfc_avc_pak_object_inter(ctx, x, y, last_mb, qp, msg, offset, encoder_context, 0, 0, pSliceParameter->slice_type, slice_batch);
1399             }
1400
1401             msg += INTER_VME_OUTPUT_IN_DWS;
1402             offset += INTER_VME_OUTPUT_IN_BYTES;
1403         }
1404     }
1405
1406     dri_bo_unmap(vme_context->vme_output.bo);
1407
1408     if ( last_slice ) {
1409         mfc_context->insert_object(ctx, encoder_context,
1410                                    tail_data, 2, 8,
1411                                    2, 1, 1, 0, slice_batch);
1412     } else {
1413         mfc_context->insert_object(ctx, encoder_context,
1414                                    tail_data, 1, 8,
1415                                    1, 1, 1, 0, slice_batch);
1416     }
1417
1418     free(slice_header);
1419
1420 }
1421
1422 static dri_bo *
1423 gen6_mfc_avc_software_batchbuffer(VADriverContextP ctx,
1424                                   struct encode_state *encode_state,
1425                                   struct intel_encoder_context *encoder_context)
1426 {
1427     struct i965_driver_data *i965 = i965_driver_data(ctx);
1428     struct intel_batchbuffer *batch = intel_batchbuffer_new(&i965->intel, I915_EXEC_BSD);
1429     dri_bo *batch_bo = batch->buffer;
1430     int i;
1431
1432     for (i = 0; i < encode_state->num_slice_params_ext; i++) {
1433         gen6_mfc_avc_pipeline_slice_programing(ctx, encode_state, encoder_context, i, batch);
1434     }
1435
1436     intel_batchbuffer_align(batch, 8);
1437
1438     BEGIN_BCS_BATCH(batch, 2);
1439     OUT_BCS_BATCH(batch, 0);
1440     OUT_BCS_BATCH(batch, MI_BATCH_BUFFER_END);
1441     ADVANCE_BCS_BATCH(batch);
1442
1443     dri_bo_reference(batch_bo);
1444     intel_batchbuffer_free(batch);
1445
1446     return batch_bo;
1447 }
1448
1449 #else
1450
1451 static void
1452 gen6_mfc_batchbuffer_surfaces_input(VADriverContextP ctx,
1453                                     struct encode_state *encode_state,
1454                                     struct intel_encoder_context *encoder_context)
1455
1456 {
1457     struct gen6_vme_context *vme_context = encoder_context->vme_context;
1458     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
1459
1460     assert(vme_context->vme_output.bo);
1461     mfc_context->buffer_suface_setup(ctx,
1462                                      &mfc_context->gpe_context,
1463                                      &vme_context->vme_output,
1464                                      BINDING_TABLE_OFFSET(BIND_IDX_VME_OUTPUT),
1465                                      SURFACE_STATE_OFFSET(BIND_IDX_VME_OUTPUT));
1466     assert(mfc_context->aux_batchbuffer_surface.bo);
1467     mfc_context->buffer_suface_setup(ctx,
1468                                      &mfc_context->gpe_context,
1469                                      &mfc_context->aux_batchbuffer_surface,
1470                                      BINDING_TABLE_OFFSET(BIND_IDX_MFC_SLICE_HEADER),
1471                                      SURFACE_STATE_OFFSET(BIND_IDX_MFC_SLICE_HEADER));
1472 }
1473
1474 static void
1475 gen6_mfc_batchbuffer_surfaces_output(VADriverContextP ctx,
1476                                      struct encode_state *encode_state,
1477                                      struct intel_encoder_context *encoder_context)
1478
1479 {
1480     struct i965_driver_data *i965 = i965_driver_data(ctx);
1481     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
1482     VAEncSequenceParameterBufferH264 *pSequenceParameter = (VAEncSequenceParameterBufferH264 *)encode_state->seq_param_ext->buffer;
1483     int width_in_mbs = pSequenceParameter->picture_width_in_mbs;
1484     int height_in_mbs = pSequenceParameter->picture_height_in_mbs;
1485     mfc_context->mfc_batchbuffer_surface.num_blocks = width_in_mbs * height_in_mbs + encode_state->num_slice_params_ext * 8 + 1;
1486     mfc_context->mfc_batchbuffer_surface.size_block = 16 * CMD_LEN_IN_OWORD; /* 3 OWORDs */
1487     mfc_context->mfc_batchbuffer_surface.pitch = 16;
1488     mfc_context->mfc_batchbuffer_surface.bo = dri_bo_alloc(i965->intel.bufmgr,
1489                                                            "MFC batchbuffer",
1490                                                            mfc_context->mfc_batchbuffer_surface.num_blocks * mfc_context->mfc_batchbuffer_surface.size_block,
1491                                                            0x1000);
1492     mfc_context->buffer_suface_setup(ctx,
1493                                      &mfc_context->gpe_context,
1494                                      &mfc_context->mfc_batchbuffer_surface,
1495                                      BINDING_TABLE_OFFSET(BIND_IDX_MFC_BATCHBUFFER),
1496                                      SURFACE_STATE_OFFSET(BIND_IDX_MFC_BATCHBUFFER));
1497 }
1498
1499 static void
1500 gen6_mfc_batchbuffer_surfaces_setup(VADriverContextP ctx,
1501                                     struct encode_state *encode_state,
1502                                     struct intel_encoder_context *encoder_context)
1503 {
1504     gen6_mfc_batchbuffer_surfaces_input(ctx, encode_state, encoder_context);
1505     gen6_mfc_batchbuffer_surfaces_output(ctx, encode_state, encoder_context);
1506 }
1507
1508 static void
1509 gen6_mfc_batchbuffer_idrt_setup(VADriverContextP ctx,
1510                                 struct encode_state *encode_state,
1511                                 struct intel_encoder_context *encoder_context)
1512 {
1513     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
1514     struct gen6_interface_descriptor_data *desc;
1515     int i;
1516     dri_bo *bo;
1517
1518     bo = mfc_context->gpe_context.idrt.bo;
1519     dri_bo_map(bo, 1);
1520     assert(bo->virtual);
1521     desc = bo->virtual;
1522
1523     for (i = 0; i < mfc_context->gpe_context.num_kernels; i++) {
1524         struct i965_kernel *kernel;
1525
1526         kernel = &mfc_context->gpe_context.kernels[i];
1527         assert(sizeof(*desc) == 32);
1528
1529         /*Setup the descritor table*/
1530         memset(desc, 0, sizeof(*desc));
1531         desc->desc0.kernel_start_pointer = (kernel->bo->offset >> 6);
1532         desc->desc2.sampler_count = 0;
1533         desc->desc2.sampler_state_pointer = 0;
1534         desc->desc3.binding_table_entry_count = 2;
1535         desc->desc3.binding_table_pointer = (BINDING_TABLE_OFFSET(0) >> 5);
1536         desc->desc4.constant_urb_entry_read_offset = 0;
1537         desc->desc4.constant_urb_entry_read_length = 4;
1538
1539         /*kernel start*/
1540         dri_bo_emit_reloc(bo,
1541                           I915_GEM_DOMAIN_INSTRUCTION, 0,
1542                           0,
1543                           i * sizeof(*desc) + offsetof(struct gen6_interface_descriptor_data, desc0),
1544                           kernel->bo);
1545         desc++;
1546     }
1547
1548     dri_bo_unmap(bo);
1549 }
1550
1551 static void
1552 gen6_mfc_batchbuffer_constant_setup(VADriverContextP ctx,
1553                                     struct encode_state *encode_state,
1554                                     struct intel_encoder_context *encoder_context)
1555 {
1556     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
1557
1558     (void)mfc_context;
1559 }
1560
1561 static void
1562 gen6_mfc_batchbuffer_emit_object_command(struct intel_batchbuffer *batch,
1563                                          int index,
1564                                          int head_offset,
1565                                          int batchbuffer_offset,
1566                                          int head_size,
1567                                          int tail_size,
1568                                          int number_mb_cmds,
1569                                          int first_object,
1570                                          int last_object,
1571                                          int last_slice,
1572                                          int mb_x,
1573                                          int mb_y,
1574                                          int width_in_mbs,
1575                                          int qp)
1576 {
1577     BEGIN_BATCH(batch, 12);
1578
1579     OUT_BATCH(batch, CMD_MEDIA_OBJECT | (12 - 2));
1580     OUT_BATCH(batch, index);
1581     OUT_BATCH(batch, 0);
1582     OUT_BATCH(batch, 0);
1583     OUT_BATCH(batch, 0);
1584     OUT_BATCH(batch, 0);
1585
1586     /*inline data */
1587     OUT_BATCH(batch, head_offset);
1588     OUT_BATCH(batch, batchbuffer_offset);
1589     OUT_BATCH(batch,
1590               head_size << 16 |
1591               tail_size);
1592     OUT_BATCH(batch,
1593               number_mb_cmds << 16 |
1594               first_object << 2 |
1595               last_object << 1 |
1596               last_slice);
1597     OUT_BATCH(batch,
1598               mb_y << 8 |
1599               mb_x);
1600     OUT_BATCH(batch,
1601               qp << 16 |
1602               width_in_mbs);
1603
1604     ADVANCE_BATCH(batch);
1605 }
1606
1607 static void
1608 gen6_mfc_avc_batchbuffer_slice_command(VADriverContextP ctx,
1609                                        struct intel_encoder_context *encoder_context,
1610                                        VAEncSliceParameterBufferH264 *slice_param,
1611                                        int head_offset,
1612                                        unsigned short head_size,
1613                                        unsigned short tail_size,
1614                                        int batchbuffer_offset,
1615                                        int qp,
1616                                        int last_slice)
1617 {
1618     struct intel_batchbuffer *batch = encoder_context->base.batch;
1619     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
1620     int width_in_mbs = (mfc_context->surface_state.width + 15) / 16;
1621     int total_mbs = slice_param->num_macroblocks;
1622     int number_mb_cmds = 128;
1623     int starting_mb = 0;
1624     int last_object = 0;
1625     int first_object = 1;
1626     int i;
1627     int mb_x, mb_y;
1628     int index = (slice_param->slice_type == SLICE_TYPE_I) ? MFC_BATCHBUFFER_AVC_INTRA : MFC_BATCHBUFFER_AVC_INTER;
1629
1630     for (i = 0; i < total_mbs / number_mb_cmds; i++) {
1631         last_object = (total_mbs - starting_mb) == number_mb_cmds;
1632         mb_x = (slice_param->macroblock_address + starting_mb) % width_in_mbs;
1633         mb_y = (slice_param->macroblock_address + starting_mb) / width_in_mbs;
1634         assert(mb_x <= 255 && mb_y <= 255);
1635
1636         starting_mb += number_mb_cmds;
1637
1638         gen6_mfc_batchbuffer_emit_object_command(batch,
1639                                                  index,
1640                                                  head_offset,
1641                                                  batchbuffer_offset,
1642                                                  head_size,
1643                                                  tail_size,
1644                                                  number_mb_cmds,
1645                                                  first_object,
1646                                                  last_object,
1647                                                  last_slice,
1648                                                  mb_x,
1649                                                  mb_y,
1650                                                  width_in_mbs,
1651                                                  qp);
1652
1653         if (first_object) {
1654             head_offset += head_size;
1655             batchbuffer_offset += head_size;
1656         }
1657
1658         if (last_object) {
1659             head_offset += tail_size;
1660             batchbuffer_offset += tail_size;
1661         }
1662
1663         batchbuffer_offset += number_mb_cmds * CMD_LEN_IN_OWORD;
1664
1665         first_object = 0;
1666     }
1667
1668     if (!last_object) {
1669         last_object = 1;
1670         number_mb_cmds = total_mbs % number_mb_cmds;
1671         mb_x = (slice_param->macroblock_address + starting_mb) % width_in_mbs;
1672         mb_y = (slice_param->macroblock_address + starting_mb) / width_in_mbs;
1673         assert(mb_x <= 255 && mb_y <= 255);
1674         starting_mb += number_mb_cmds;
1675
1676         gen6_mfc_batchbuffer_emit_object_command(batch,
1677                                                  index,
1678                                                  head_offset,
1679                                                  batchbuffer_offset,
1680                                                  head_size,
1681                                                  tail_size,
1682                                                  number_mb_cmds,
1683                                                  first_object,
1684                                                  last_object,
1685                                                  last_slice,
1686                                                  mb_x,
1687                                                  mb_y,
1688                                                  width_in_mbs,
1689                                                  qp);
1690     }
1691 }
1692
1693 /*
1694  * return size in Owords (16bytes)
1695  */
1696 static int
1697 gen6_mfc_avc_batchbuffer_slice(VADriverContextP ctx,
1698                                struct encode_state *encode_state,
1699                                struct intel_encoder_context *encoder_context,
1700                                int slice_index,
1701                                int batchbuffer_offset)
1702 {
1703     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
1704     struct intel_batchbuffer *slice_batch = mfc_context->aux_batchbuffer;
1705     VAEncSequenceParameterBufferH264 *pSequenceParameter = (VAEncSequenceParameterBufferH264 *)encode_state->seq_param_ext->buffer;
1706     VAEncPictureParameterBufferH264 *pPicParameter = (VAEncPictureParameterBufferH264 *)encode_state->pic_param_ext->buffer;
1707     VAEncSliceParameterBufferH264 *pSliceParameter = (VAEncSliceParameterBufferH264 *)encode_state->slice_params_ext[slice_index]->buffer;
1708     int width_in_mbs = (mfc_context->surface_state.width + 15) / 16;
1709     int height_in_mbs = (mfc_context->surface_state.height + 15) / 16;
1710     int last_slice = (pSliceParameter->macroblock_address + pSliceParameter->num_macroblocks) == (width_in_mbs * height_in_mbs);
1711     int qp = pPicParameter->pic_init_qp + pSliceParameter->slice_qp_delta;
1712     unsigned int rate_control_mode = encoder_context->rate_control_mode;
1713     unsigned char *slice_header = NULL;
1714     int slice_header_length_in_bits = 0;
1715     unsigned int tail_data[] = { 0x0, 0x0 };
1716     long head_offset;
1717     int old_used = intel_batchbuffer_used_size(slice_batch), used;
1718     unsigned short head_size, tail_size;
1719     int slice_type = pSliceParameter->slice_type;
1720
1721     if (rate_control_mode == VA_RC_CBR) {
1722         qp = mfc_context->bit_rate_control_context[slice_type].QpPrimeY;
1723         pSliceParameter->slice_qp_delta = qp - pPicParameter->pic_init_qp;
1724     }
1725
1726     /* only support for 8-bit pixel bit-depth */
1727     assert(pSequenceParameter->bit_depth_luma_minus8 == 0);
1728     assert(pSequenceParameter->bit_depth_chroma_minus8 == 0);
1729     assert(pPicParameter->pic_init_qp >= 0 && pPicParameter->pic_init_qp < 52);
1730     assert(qp >= 0 && qp < 52);
1731
1732     head_offset = old_used / 16;
1733     gen6_mfc_avc_slice_state(ctx,
1734                              pPicParameter,
1735                              pSliceParameter,
1736                              encode_state,
1737                              encoder_context,
1738                              (rate_control_mode == VA_RC_CBR),
1739                              qp,
1740                              slice_batch);
1741
1742     if (slice_index == 0)
1743         gen6_mfc_avc_pipeline_header_programing(ctx, encode_state, encoder_context, slice_batch);
1744
1745     slice_header_length_in_bits = build_avc_slice_header(pSequenceParameter, pPicParameter, pSliceParameter, &slice_header);
1746
1747     // slice hander
1748     mfc_context->insert_object(ctx,
1749                                encoder_context,
1750                                (unsigned int *)slice_header,
1751                                ALIGN(slice_header_length_in_bits, 32) >> 5,
1752                                slice_header_length_in_bits & 0x1f,
1753                                5,  /* first 5 bytes are start code + nal unit type */
1754                                1,
1755                                0,
1756                                1,
1757                                slice_batch);
1758     free(slice_header);
1759
1760     intel_batchbuffer_align(slice_batch, 16); /* aligned by an Oword */
1761     used = intel_batchbuffer_used_size(slice_batch);
1762     head_size = (used - old_used) / 16;
1763     old_used = used;
1764
1765     /* tail */
1766     if (last_slice) {
1767         mfc_context->insert_object(ctx,
1768                                    encoder_context,
1769                                    tail_data,
1770                                    2,
1771                                    8,
1772                                    2,
1773                                    1,
1774                                    1,
1775                                    0,
1776                                    slice_batch);
1777     } else {
1778         mfc_context->insert_object(ctx,
1779                                    encoder_context,
1780                                    tail_data,
1781                                    1,
1782                                    8,
1783                                    1,
1784                                    1,
1785                                    1,
1786                                    0,
1787                                    slice_batch);
1788     }
1789
1790     intel_batchbuffer_align(slice_batch, 16); /* aligned by an Oword */
1791     used = intel_batchbuffer_used_size(slice_batch);
1792     tail_size = (used - old_used) / 16;
1793
1794
1795     gen6_mfc_avc_batchbuffer_slice_command(ctx,
1796                                            encoder_context,
1797                                            pSliceParameter,
1798                                            head_offset,
1799                                            head_size,
1800                                            tail_size,
1801                                            batchbuffer_offset,
1802                                            qp,
1803                                            last_slice);
1804
1805     return head_size + tail_size + pSliceParameter->num_macroblocks * CMD_LEN_IN_OWORD;
1806 }
1807
1808 static void
1809 gen6_mfc_avc_batchbuffer_pipeline(VADriverContextP ctx,
1810                                   struct encode_state *encode_state,
1811                                   struct intel_encoder_context *encoder_context)
1812 {
1813     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
1814     struct intel_batchbuffer *batch = encoder_context->base.batch;
1815     int i, size, offset = 0;
1816     intel_batchbuffer_start_atomic(batch, 0x4000);
1817     gen6_gpe_pipeline_setup(ctx, &mfc_context->gpe_context, batch);
1818
1819     for ( i = 0; i < encode_state->num_slice_params_ext; i++) {
1820         size = gen6_mfc_avc_batchbuffer_slice(ctx, encode_state, encoder_context, i, offset);
1821         offset += size;
1822     }
1823
1824     intel_batchbuffer_end_atomic(batch);
1825     intel_batchbuffer_flush(batch);
1826 }
1827
1828 static void
1829 gen6_mfc_build_avc_batchbuffer(VADriverContextP ctx,
1830                                struct encode_state *encode_state,
1831                                struct intel_encoder_context *encoder_context)
1832 {
1833     gen6_mfc_batchbuffer_surfaces_setup(ctx, encode_state, encoder_context);
1834     gen6_mfc_batchbuffer_idrt_setup(ctx, encode_state, encoder_context);
1835     gen6_mfc_batchbuffer_constant_setup(ctx, encode_state, encoder_context);
1836     gen6_mfc_avc_batchbuffer_pipeline(ctx, encode_state, encoder_context);
1837 }
1838
1839 static dri_bo *
1840 gen6_mfc_avc_hardware_batchbuffer(VADriverContextP ctx,
1841                                   struct encode_state *encode_state,
1842                                   struct intel_encoder_context *encoder_context)
1843 {
1844     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
1845
1846     gen6_mfc_build_avc_batchbuffer(ctx, encode_state, encoder_context);
1847     dri_bo_reference(mfc_context->mfc_batchbuffer_surface.bo);
1848
1849     return mfc_context->mfc_batchbuffer_surface.bo;
1850 }
1851
1852 #endif
1853
1854 int interlace_check(VADriverContextP ctx,
1855                    struct encode_state *encode_state,
1856                    struct intel_encoder_context *encoder_context) {
1857     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
1858     VAEncSliceParameterBufferH264 *pSliceParameter;
1859     int i;
1860     int mbCount = 0;
1861     int width_in_mbs = (mfc_context->surface_state.width + 15) / 16;
1862     int height_in_mbs = (mfc_context->surface_state.height + 15) / 16;
1863
1864     for (i = 0; i < encode_state->num_slice_params_ext; i++) {
1865         pSliceParameter = (VAEncSliceParameterBufferH264 *)encode_state->slice_params_ext[i]->buffer;
1866         mbCount += pSliceParameter->num_macroblocks;
1867     }
1868
1869     if ( mbCount == ( width_in_mbs * height_in_mbs ) )
1870         return 0;
1871
1872     return 1;
1873 }
1874
1875
1876 static void
1877 gen6_mfc_avc_pipeline_programing(VADriverContextP ctx,
1878                                  struct encode_state *encode_state,
1879                                  struct intel_encoder_context *encoder_context)
1880 {
1881     struct intel_batchbuffer *batch = encoder_context->base.batch;
1882     dri_bo *slice_batch_bo;
1883
1884     if ( interlace_check(ctx, encode_state, encoder_context) ) {
1885         fprintf(stderr, "Current VA driver don't support interlace mode!\n");
1886         assert(0);
1887         return;
1888     }
1889
1890 #if __SOFTWARE__
1891     slice_batch_bo = gen6_mfc_avc_software_batchbuffer(ctx, encode_state, encoder_context);
1892 #else
1893     slice_batch_bo = gen6_mfc_avc_hardware_batchbuffer(ctx, encode_state, encoder_context);
1894 #endif
1895
1896     // begin programing
1897     intel_batchbuffer_start_atomic_bcs(batch, 0x4000);
1898     intel_batchbuffer_emit_mi_flush(batch);
1899
1900     // picture level programing
1901     gen6_mfc_avc_pipeline_picture_programing(ctx, encode_state, encoder_context);
1902
1903     BEGIN_BCS_BATCH(batch, 2);
1904     OUT_BCS_BATCH(batch, MI_BATCH_BUFFER_START | (1 << 8));
1905     OUT_BCS_RELOC(batch,
1906                   slice_batch_bo,
1907                   I915_GEM_DOMAIN_COMMAND, 0,
1908                   0);
1909     ADVANCE_BCS_BATCH(batch);
1910
1911     // end programing
1912     intel_batchbuffer_end_atomic(batch);
1913
1914     dri_bo_unreference(slice_batch_bo);
1915 }
1916
1917 static VAStatus
1918 gen6_mfc_avc_encode_picture(VADriverContextP ctx,
1919                             struct encode_state *encode_state,
1920                             struct intel_encoder_context *encoder_context)
1921 {
1922     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
1923     unsigned int rate_control_mode = encoder_context->rate_control_mode;
1924     int current_frame_bits_size;
1925     int sts;
1926
1927     for (;;) {
1928         gen6_mfc_init(ctx, encoder_context);
1929         gen6_mfc_avc_prepare(ctx, encode_state, encoder_context);
1930         /*Programing bcs pipeline*/
1931         gen6_mfc_avc_pipeline_programing(ctx, encode_state, encoder_context);   //filling the pipeline
1932         gen6_mfc_run(ctx, encode_state, encoder_context);
1933         if (rate_control_mode == VA_RC_CBR /*|| rate_control_mode == VA_RC_VBR*/) {
1934             gen6_mfc_stop(ctx, encode_state, encoder_context, &current_frame_bits_size);
1935             sts = gen6_mfc_brc_postpack(encode_state, mfc_context, current_frame_bits_size);
1936             if (sts == BRC_NO_HRD_VIOLATION) {
1937                 gen6_mfc_hrd_context_update(encode_state, mfc_context);
1938                 break;
1939             }
1940             else if (sts == BRC_OVERFLOW_WITH_MIN_QP || sts == BRC_UNDERFLOW_WITH_MAX_QP) {
1941                 if (!mfc_context->hrd.violation_noted) {
1942                     fprintf(stderr, "Unrepairable %s!\n", (sts == BRC_OVERFLOW_WITH_MIN_QP)? "overflow": "underflow");
1943                     mfc_context->hrd.violation_noted = 1;
1944                 }
1945                 return VA_STATUS_SUCCESS;
1946             }
1947         } else {
1948             break;
1949         }
1950     }
1951
1952     return VA_STATUS_SUCCESS;
1953 }
1954
1955 VAStatus
1956 gen6_mfc_pipeline(VADriverContextP ctx,
1957                   VAProfile profile,
1958                   struct encode_state *encode_state,
1959                   struct intel_encoder_context *encoder_context)
1960 {
1961     VAStatus vaStatus;
1962
1963     switch (profile) {
1964     case VAProfileH264Baseline:
1965     case VAProfileH264Main:
1966     case VAProfileH264High:
1967         vaStatus = gen6_mfc_avc_encode_picture(ctx, encode_state, encoder_context);
1968         break;
1969
1970         /* FIXME: add for other profile */
1971     default:
1972         vaStatus = VA_STATUS_ERROR_UNSUPPORTED_PROFILE;
1973         break;
1974     }
1975
1976     return vaStatus;
1977 }
1978
1979 void
1980 gen6_mfc_context_destroy(void *context)
1981 {
1982     struct gen6_mfc_context *mfc_context = context;
1983     int i;
1984
1985     dri_bo_unreference(mfc_context->post_deblocking_output.bo);
1986     mfc_context->post_deblocking_output.bo = NULL;
1987
1988     dri_bo_unreference(mfc_context->pre_deblocking_output.bo);
1989     mfc_context->pre_deblocking_output.bo = NULL;
1990
1991     dri_bo_unreference(mfc_context->uncompressed_picture_source.bo);
1992     mfc_context->uncompressed_picture_source.bo = NULL;
1993
1994     dri_bo_unreference(mfc_context->mfc_indirect_pak_bse_object.bo);
1995     mfc_context->mfc_indirect_pak_bse_object.bo = NULL;
1996
1997     for (i = 0; i < NUM_MFC_DMV_BUFFERS; i++){
1998         dri_bo_unreference(mfc_context->direct_mv_buffers[i].bo);
1999         mfc_context->direct_mv_buffers[i].bo = NULL;
2000     }
2001
2002     dri_bo_unreference(mfc_context->intra_row_store_scratch_buffer.bo);
2003     mfc_context->intra_row_store_scratch_buffer.bo = NULL;
2004
2005     dri_bo_unreference(mfc_context->macroblock_status_buffer.bo);
2006     mfc_context->macroblock_status_buffer.bo = NULL;
2007
2008     dri_bo_unreference(mfc_context->deblocking_filter_row_store_scratch_buffer.bo);
2009     mfc_context->deblocking_filter_row_store_scratch_buffer.bo = NULL;
2010
2011     dri_bo_unreference(mfc_context->bsd_mpc_row_store_scratch_buffer.bo);
2012     mfc_context->bsd_mpc_row_store_scratch_buffer.bo = NULL;
2013
2014
2015     for (i = 0; i < MAX_MFC_REFERENCE_SURFACES; i++){
2016         dri_bo_unreference(mfc_context->reference_surfaces[i].bo);
2017         mfc_context->reference_surfaces[i].bo = NULL;
2018     }
2019
2020     i965_gpe_context_destroy(&mfc_context->gpe_context);
2021
2022     dri_bo_unreference(mfc_context->mfc_batchbuffer_surface.bo);
2023     mfc_context->mfc_batchbuffer_surface.bo = NULL;
2024
2025     dri_bo_unreference(mfc_context->aux_batchbuffer_surface.bo);
2026     mfc_context->aux_batchbuffer_surface.bo = NULL;
2027
2028     if (mfc_context->aux_batchbuffer)
2029         intel_batchbuffer_free(mfc_context->aux_batchbuffer);
2030
2031     mfc_context->aux_batchbuffer = NULL;
2032
2033     free(mfc_context);
2034 }
2035
2036 void gen6_mfc_brc_prepare(struct encode_state *encode_state,
2037                           struct intel_encoder_context *encoder_context)
2038 {
2039     unsigned int rate_control_mode = encoder_context->rate_control_mode;
2040     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
2041
2042     if (rate_control_mode == VA_RC_CBR) {
2043         /*Programing bit rate control */
2044         if ( mfc_context->bit_rate_control_context[SLICE_TYPE_I].MaxSizeInWord == 0 ) {
2045             gen6_mfc_bit_rate_control_context_init(encode_state, mfc_context);
2046             gen6_mfc_brc_init(encode_state, encoder_context);
2047         }
2048
2049         /*Programing HRD control */
2050         if ( mfc_context->vui_hrd.i_cpb_size_value == 0 )
2051             gen6_mfc_hrd_context_init(encode_state, encoder_context);
2052     }
2053 }
2054
2055 Bool gen6_mfc_context_init(VADriverContextP ctx, struct intel_encoder_context *encoder_context)
2056 {
2057     struct gen6_mfc_context *mfc_context = calloc(1, sizeof(struct gen6_mfc_context));
2058
2059     mfc_context->gpe_context.surface_state_binding_table.length = (SURFACE_STATE_PADDED_SIZE + sizeof(unsigned int)) * MAX_MEDIA_SURFACES_GEN6;
2060
2061     mfc_context->gpe_context.idrt.max_entries = MAX_GPE_KERNELS;
2062     mfc_context->gpe_context.idrt.entry_size = sizeof(struct gen6_interface_descriptor_data);
2063
2064     mfc_context->gpe_context.curbe.length = 32 * 4;
2065
2066     mfc_context->gpe_context.vfe_state.max_num_threads = 60 - 1;
2067     mfc_context->gpe_context.vfe_state.num_urb_entries = 16;
2068     mfc_context->gpe_context.vfe_state.gpgpu_mode = 0;
2069     mfc_context->gpe_context.vfe_state.urb_entry_size = 59 - 1;
2070     mfc_context->gpe_context.vfe_state.curbe_allocation_size = 37 - 1;
2071
2072     i965_gpe_load_kernels(ctx,
2073                           &mfc_context->gpe_context,
2074                           gen6_mfc_kernels,
2075                           NUM_MFC_KERNEL);
2076
2077     mfc_context->pipe_mode_select = gen6_mfc_pipe_mode_select;
2078     mfc_context->set_surface_state = gen6_mfc_surface_state;
2079     mfc_context->ind_obj_base_addr_state = gen6_mfc_ind_obj_base_addr_state;
2080     mfc_context->avc_img_state = gen6_mfc_avc_img_state;
2081     mfc_context->avc_qm_state = gen6_mfc_avc_qm_state;
2082     mfc_context->avc_fqm_state = gen6_mfc_avc_fqm_state;
2083     mfc_context->insert_object = gen6_mfc_avc_insert_object;
2084     mfc_context->buffer_suface_setup = i965_gpe_buffer_suface_setup;
2085
2086     encoder_context->mfc_context = mfc_context;
2087     encoder_context->mfc_context_destroy = gen6_mfc_context_destroy;
2088     encoder_context->mfc_pipeline = gen6_mfc_pipeline;
2089     encoder_context->mfc_brc_prepare = gen6_mfc_brc_prepare;
2090
2091     return True;
2092 }