src/i965_encoder.c

   1 /*
   2  * Copyright © 2010 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
  34 #include "intel_batchbuffer.h"
  35 #include "intel_driver.h"
  36
  37 #include "i965_defines.h"
  38 #include "i965_drv_video.h"
  39 #include "i965_encoder.h"
  40 #include "gen6_vme.h"
  41 #include "gen6_mfc.h"
  42
  43 extern Bool gen6_mfc_context_init(VADriverContextP ctx, struct intel_encoder_context *encoder_context);
  44 extern Bool gen6_vme_context_init(VADriverContextP ctx, struct intel_encoder_context *encoder_context);
  45 extern Bool gen7_mfc_context_init(VADriverContextP ctx, struct intel_encoder_context *encoder_context);
  46
  47 static VAStatus
  48 intel_encoder_check_yuv_surface(VADriverContextP ctx,
  49                                 VAProfile profile,
  50                                 struct encode_state *encode_state,
  51                                 struct intel_encoder_context *encoder_context)
  52 {
  53     struct i965_driver_data *i965 = i965_driver_data(ctx);
  54     struct i965_surface src_surface, dst_surface;
  55     struct object_surface *obj_surface;
  56     VAStatus status;
  57     VARectangle rect;
  58
  59     /* releae the temporary surface */
  60     if (encoder_context->is_tmp_id) {
  61         i965_DestroySurfaces(ctx, &encoder_context->input_yuv_surface, 1);
  62         encode_state->input_yuv_object = NULL;
  63     }
  64
  65     encoder_context->is_tmp_id = 0;
  66     obj_surface = SURFACE(encode_state->current_render_target);
  67     assert(obj_surface && obj_surface->bo);
  68
  69     if (!obj_surface || !obj_surface->bo)
  70         return VA_STATUS_ERROR_INVALID_PARAMETER;
  71
  72     if (obj_surface->fourcc == VA_FOURCC_NV12) {
  73         unsigned int tiling = 0, swizzle = 0;
  74
  75         dri_bo_get_tiling(obj_surface->bo, &tiling, &swizzle);
  76
  77         if (tiling == I915_TILING_Y) {
  78             encoder_context->input_yuv_surface = encode_state->current_render_target;
  79             encode_state->input_yuv_object = obj_surface;
  80             return VA_STATUS_SUCCESS;
  81         }
  82     }
  83
  84     rect.x = 0;
  85     rect.y = 0;
  86     rect.width = obj_surface->orig_width;
  87     rect.height = obj_surface->orig_height;
  88
  89     src_surface.base = (struct object_base *)obj_surface;
  90     src_surface.type = I965_SURFACE_TYPE_SURFACE;
  91     src_surface.flags = I965_SURFACE_FLAG_FRAME;
  92
  93     status = i965_CreateSurfaces(ctx,
  94                                  obj_surface->orig_width,
  95                                  obj_surface->orig_height,
  96                                  VA_RT_FORMAT_YUV420,
  97                                  1,
  98                                  &encoder_context->input_yuv_surface);
  99     assert(status == VA_STATUS_SUCCESS);
 100
 101     if (status != VA_STATUS_SUCCESS)
 102         return status;
 103
 104     obj_surface = SURFACE(encoder_context->input_yuv_surface);
 105     encode_state->input_yuv_object = obj_surface;
 106     assert(obj_surface);
 107     i965_check_alloc_surface_bo(ctx, obj_surface, 1, VA_FOURCC_NV12, SUBSAMPLE_YUV420);
 108
 109     dst_surface.base = (struct object_base *)obj_surface;
 110     dst_surface.type = I965_SURFACE_TYPE_SURFACE;
 111     dst_surface.flags = I965_SURFACE_FLAG_FRAME;
 112
 113     status = i965_image_processing(ctx,
 114                                    &src_surface,
 115                                    &rect,
 116                                    &dst_surface,
 117                                    &rect);
 118     assert(status == VA_STATUS_SUCCESS);
 119
 120     encoder_context->is_tmp_id = 1;
 121
 122     return VA_STATUS_SUCCESS;
 123 }
 124
 125 static VAStatus
 126 intel_encoder_check_avc_parameter(VADriverContextP ctx,
 127                                   struct encode_state *encode_state,
 128                                   struct intel_encoder_context *encoder_context)
 129 {
 130     struct i965_driver_data *i965 = i965_driver_data(ctx);
 131     struct object_surface *obj_surface;
 132     struct object_buffer *obj_buffer;
 133     VAEncPictureParameterBufferH264 *pic_param = (VAEncPictureParameterBufferH264 *)encode_state->pic_param_ext->buffer;
 134     int i;
 135
 136     assert(!(pic_param->CurrPic.flags & VA_PICTURE_H264_INVALID));
 137
 138     if (pic_param->CurrPic.flags & VA_PICTURE_H264_INVALID)
 139         goto error;
 140
 141     obj_surface = SURFACE(pic_param->CurrPic.picture_id);
 142     assert(obj_surface); /* It is possible the store buffer isn't allocated yet */
 143
 144     if (!obj_surface)
 145         goto error;
 146
 147     encode_state->reconstructed_object = obj_surface;
 148     obj_buffer = BUFFER(pic_param->coded_buf);
 149     assert(obj_buffer && obj_buffer->buffer_store && obj_buffer->buffer_store->bo);
 150
 151     if (!obj_buffer || !obj_buffer->buffer_store || !obj_buffer->buffer_store->bo)
 152         goto error;
 153
 154     encode_state->coded_buf_object = obj_buffer;
 155
 156     for (i = 0; i < 16; i++) {
 157         if (pic_param->ReferenceFrames[i].flags & VA_PICTURE_H264_INVALID ||
 158             pic_param->ReferenceFrames[i].picture_id == VA_INVALID_SURFACE)
 159             break;
 160         else {
 161             obj_surface = SURFACE(pic_param->ReferenceFrames[i].picture_id);
 162             assert(obj_surface);
 163
 164             if (!obj_surface)
 165                 goto error;
 166
 167             if (obj_surface->bo)
 168                 encode_state->reference_objects[i] = obj_surface;
 169             else
 170                 encode_state->reference_objects[i] = NULL; /* FIXME: Warning or Error ??? */
 171         }
 172     }
 173
 174     for ( ; i < 16; i++)
 175         encode_state->reference_objects[i] = NULL;
 176
 177     return VA_STATUS_SUCCESS;
 178
 179 error:
 180     return VA_STATUS_ERROR_INVALID_PARAMETER;
 181 }
 182
 183 static VAStatus
 184 intel_encoder_check_mpeg2_parameter(VADriverContextP ctx,
 185                                     struct encode_state *encode_state,
 186                                     struct intel_encoder_context *encoder_context)
 187 {
 188     struct i965_driver_data *i965 = i965_driver_data(ctx);
 189     VAEncPictureParameterBufferMPEG2 *pic_param = (VAEncPictureParameterBufferMPEG2 *)encode_state->pic_param_ext->buffer;
 190     struct object_surface *obj_surface;
 191     struct object_buffer *obj_buffer;
 192     int i = 0;
 193
 194     obj_surface = SURFACE(pic_param->reconstructed_picture);
 195     assert(obj_surface); /* It is possible the store buffer isn't allocated yet */
 196
 197     if (!obj_surface)
 198         goto error;
 199
 200     encode_state->reconstructed_object = obj_surface;
 201     obj_buffer = BUFFER(pic_param->coded_buf);
 202     assert(obj_buffer && obj_buffer->buffer_store && obj_buffer->buffer_store->bo);
 203
 204     if (!obj_buffer || !obj_buffer->buffer_store || !obj_buffer->buffer_store->bo)
 205         goto error;
 206
 207     encode_state->coded_buf_object = obj_buffer;
 208
 209     if (pic_param->picture_type == VAEncPictureTypeIntra) {
 210     } else if (pic_param->picture_type == VAEncPictureTypePredictive) {
 211         assert(pic_param->forward_reference_picture != VA_INVALID_SURFACE);
 212         obj_surface = SURFACE(pic_param->forward_reference_picture);
 213         assert(obj_surface && obj_surface->bo);
 214
 215         if (!obj_surface || !obj_surface->bo)
 216             goto error;
 217
 218         encode_state->reference_objects[i++] = obj_surface;
 219     } else if (pic_param->picture_type == VAEncPictureTypeBidirectional) {
 220         assert(pic_param->forward_reference_picture != VA_INVALID_SURFACE);
 221         obj_surface = SURFACE(pic_param->forward_reference_picture);
 222         assert(obj_surface && obj_surface->bo);
 223
 224         if (!obj_surface || !obj_surface->bo)
 225             goto error;
 226
 227         encode_state->reference_objects[i++] = obj_surface;
 228
 229         assert(pic_param->backward_reference_picture != VA_INVALID_SURFACE);
 230         obj_surface = SURFACE(pic_param->backward_reference_picture);
 231         assert(obj_surface && obj_surface->bo);
 232
 233         if (!obj_surface || !obj_surface->bo)
 234             goto error;
 235
 236         encode_state->reference_objects[i++] = obj_surface;
 237     } else
 238         goto error;
 239
 240     for ( ; i < 16; i++)
 241         encode_state->reference_objects[i] = NULL;
 242
 243     return VA_STATUS_SUCCESS;
 244
 245 error:
 246     return VA_STATUS_ERROR_INVALID_PARAMETER;
 247 }
 248
 249 static VAStatus
 250 intel_encoder_sanity_check_input(VADriverContextP ctx,
 251                                  VAProfile profile,
 252                                  struct encode_state *encode_state,
 253                                  struct intel_encoder_context *encoder_context)
 254 {
 255     VAStatus vaStatus;
 256
 257     switch (profile) {
 258     case VAProfileH264ConstrainedBaseline:
 259     case VAProfileH264Main:
 260     case VAProfileH264High:
 261         vaStatus = intel_encoder_check_avc_parameter(ctx, encode_state, encoder_context);
 262         break;
 263
 264     case VAProfileMPEG2Simple:
 265     case VAProfileMPEG2Main:
 266         vaStatus = intel_encoder_check_mpeg2_parameter(ctx, encode_state, encoder_context);
 267         break;
 268
 269     default:
 270         vaStatus = VA_STATUS_ERROR_UNSUPPORTED_PROFILE;
 271         break;
 272     }
 273
 274     if (vaStatus != VA_STATUS_SUCCESS)
 275         goto out;
 276
 277     vaStatus = intel_encoder_check_yuv_surface(ctx, profile, encode_state, encoder_context);
 278
 279 out:
 280     return vaStatus;
 281 }
 282
 283 static VAStatus
 284 intel_encoder_end_picture(VADriverContextP ctx,
 285                           VAProfile profile,
 286                           union codec_state *codec_state,
 287                           struct hw_context *hw_context)
 288 {
 289     struct intel_encoder_context *encoder_context = (struct intel_encoder_context *)hw_context;
 290     struct encode_state *encode_state = &codec_state->encode;
 291     VAStatus vaStatus;
 292
 293     vaStatus = intel_encoder_sanity_check_input(ctx, profile, encode_state, encoder_context);
 294
 295     if (vaStatus != VA_STATUS_SUCCESS)
 296         return vaStatus;
 297
 298     encoder_context->mfc_brc_prepare(encode_state, encoder_context);
 299
 300     vaStatus = encoder_context->vme_pipeline(ctx, profile, encode_state, encoder_context);
 301
 302     if (vaStatus == VA_STATUS_SUCCESS)
 303         encoder_context->mfc_pipeline(ctx, profile, encode_state, encoder_context);
 304     return VA_STATUS_SUCCESS;
 305 }
 306
 307 static void
 308 intel_encoder_context_destroy(void *hw_context)
 309 {
 310     struct intel_encoder_context *encoder_context = (struct intel_encoder_context *)hw_context;
 311
 312     encoder_context->mfc_context_destroy(encoder_context->mfc_context);
 313     encoder_context->vme_context_destroy(encoder_context->vme_context);
 314     intel_batchbuffer_free(encoder_context->base.batch);
 315     free(encoder_context);
 316 }
 317
 318 typedef Bool (* hw_init_func)(VADriverContextP, struct intel_encoder_context *);
 319
 320 static struct hw_context *
 321 intel_enc_hw_context_init(VADriverContextP ctx,
 322                           struct object_config *obj_config,
 323                           hw_init_func vme_context_init,
 324                           hw_init_func mfc_context_init)
 325 {
 326     struct intel_driver_data *intel = intel_driver_data(ctx);
 327     struct intel_encoder_context *encoder_context = calloc(1, sizeof(struct intel_encoder_context));
 328     int i;
 329
 330     encoder_context->base.destroy = intel_encoder_context_destroy;
 331     encoder_context->base.run = intel_encoder_end_picture;
 332     encoder_context->base.batch = intel_batchbuffer_new(intel, I915_EXEC_RENDER, 0);
 333     encoder_context->input_yuv_surface = VA_INVALID_SURFACE;
 334     encoder_context->is_tmp_id = 0;
 335     encoder_context->rate_control_mode = VA_RC_NONE;
 336
 337     switch (obj_config->profile) {
 338     case VAProfileMPEG2Simple:
 339     case VAProfileMPEG2Main:
 340         encoder_context->codec = CODEC_MPEG2;
 341         break;
 342
 343     case VAProfileH264ConstrainedBaseline:
 344     case VAProfileH264Main:
 345     case VAProfileH264High:
 346         encoder_context->codec = CODEC_H264;
 347         break;
 348
 349     default:
 350         /* Never get here */
 351         assert(0);
 352         break;
 353     }
 354
 355     for (i = 0; i < obj_config->num_attribs; i++) {
 356         if (obj_config->attrib_list[i].type == VAConfigAttribRateControl) {
 357             encoder_context->rate_control_mode = obj_config->attrib_list[i].value;
 358
 359             if (encoder_context->codec == CODEC_MPEG2 &&
 360                 encoder_context->rate_control_mode & VA_RC_CBR) {
 361                 WARN_ONCE("Don't support CBR for MPEG-2 encoding\n");
 362                 encoder_context->rate_control_mode &= ~VA_RC_CBR;
 363             }
 364
 365             break;
 366         }
 367     }
 368
 369     vme_context_init(ctx, encoder_context);
 370     assert(encoder_context->vme_context);
 371     assert(encoder_context->vme_context_destroy);
 372     assert(encoder_context->vme_pipeline);
 373
 374     mfc_context_init(ctx, encoder_context);
 375     assert(encoder_context->mfc_context);
 376     assert(encoder_context->mfc_context_destroy);
 377     assert(encoder_context->mfc_pipeline);
 378
 379     return (struct hw_context *)encoder_context;
 380 }
 381
 382 struct hw_context *
 383 gen6_enc_hw_context_init(VADriverContextP ctx, struct object_config *obj_config)
 384 {
 385     return intel_enc_hw_context_init(ctx, obj_config, gen6_vme_context_init, gen6_mfc_context_init);
 386 }
 387
 388 struct hw_context *
 389 gen7_enc_hw_context_init(VADriverContextP ctx, struct object_config *obj_config)
 390 {
 391     return intel_enc_hw_context_init(ctx, obj_config, gen7_vme_context_init, gen7_mfc_context_init);
 392 }
 393
 394 struct hw_context *
 395 gen75_enc_hw_context_init(VADriverContextP ctx, struct object_config *obj_config)
 396 {
 397     return intel_enc_hw_context_init(ctx, obj_config, gen75_vme_context_init, gen75_mfc_context_init);
 398 }
 399
 400 struct hw_context *
 401 gen8_enc_hw_context_init(VADriverContextP ctx, struct object_config *obj_config)
 402 {
 403     return intel_enc_hw_context_init(ctx, obj_config, gen8_vme_context_init, gen8_mfc_context_init);
 404 }
 405