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 VAStatus
  48 i965_DestroySurfaces(VADriverContextP ctx,
  49                      VASurfaceID *surface_list,
  50                      int num_surfaces);
  51 VAStatus
  52 i965_CreateSurfaces(VADriverContextP ctx,
  53                     int width,
  54                     int height,
  55                     int format,
  56                     int num_surfaces,
  57                     VASurfaceID *surfaces);
  58
  59 static VAStatus
  60 intel_encoder_check_yuv_surface(VADriverContextP ctx,
  61                                 VAProfile profile,
  62                                 struct encode_state *encode_state,
  63                                 struct intel_encoder_context *encoder_context)
  64 {
  65     struct i965_driver_data *i965 = i965_driver_data(ctx);
  66     struct i965_surface src_surface, dst_surface;
  67     struct object_surface *obj_surface;
  68     VAStatus status;
  69     VARectangle rect;
  70
  71     /* releae the temporary surface */
  72     if (encoder_context->is_tmp_id) {
  73         i965_DestroySurfaces(ctx, &encoder_context->input_yuv_surface, 1);
  74         encode_state->input_yuv_object = NULL;
  75     }
  76
  77     encoder_context->is_tmp_id = 0;
  78     obj_surface = SURFACE(encode_state->current_render_target);
  79     assert(obj_surface && obj_surface->bo);
  80
  81     if (!obj_surface || !obj_surface->bo)
  82         return VA_STATUS_ERROR_INVALID_PARAMETER;
  83
  84     if (obj_surface->fourcc == VA_FOURCC('N', 'V', '1', '2')) {
  85         unsigned int tiling = 0, swizzle = 0;
  86
  87         dri_bo_get_tiling(obj_surface->bo, &tiling, &swizzle);
  88
  89         if (tiling == I915_TILING_Y) {
  90             encoder_context->input_yuv_surface = encode_state->current_render_target;
  91             encode_state->input_yuv_object = obj_surface;
  92             return VA_STATUS_SUCCESS;
  93         }
  94     }
  95
  96     rect.x = 0;
  97     rect.y = 0;
  98     rect.width = obj_surface->orig_width;
  99     rect.height = obj_surface->orig_height;
 100
 101     src_surface.id = encode_state->current_render_target;
 102     src_surface.type = I965_SURFACE_TYPE_SURFACE;
 103     src_surface.flags = I965_SURFACE_FLAG_FRAME;
 104
 105     status = i965_CreateSurfaces(ctx,
 106                                  obj_surface->orig_width,
 107                                  obj_surface->orig_height,
 108                                  VA_RT_FORMAT_YUV420,
 109                                  1,
 110                                  &encoder_context->input_yuv_surface);
 111     assert(status == VA_STATUS_SUCCESS);
 112
 113     if (status != VA_STATUS_SUCCESS)
 114         return status;
 115
 116     obj_surface = SURFACE(encoder_context->input_yuv_surface);
 117     encode_state->input_yuv_object = obj_surface;
 118     i965_check_alloc_surface_bo(ctx, obj_surface, 1, VA_FOURCC('N', 'V', '1', '2'), SUBSAMPLE_YUV420);
 119
 120     dst_surface.id = encoder_context->input_yuv_surface;
 121     dst_surface.type = I965_SURFACE_TYPE_SURFACE;
 122     dst_surface.flags = I965_SURFACE_FLAG_FRAME;
 123
 124     status = i965_image_processing(ctx,
 125                                    &src_surface,
 126                                    &rect,
 127                                    &dst_surface,
 128                                    &rect);
 129     assert(status == VA_STATUS_SUCCESS);
 130
 131     encoder_context->is_tmp_id = 1;
 132
 133     return VA_STATUS_SUCCESS;
 134 }
 135
 136 static VAStatus
 137 intel_encoder_check_avc_parameter(VADriverContextP ctx,
 138                                   struct encode_state *encode_state,
 139                                   struct intel_encoder_context *encoder_context)
 140 {
 141     struct i965_driver_data *i965 = i965_driver_data(ctx);
 142     struct object_surface *obj_surface;
 143     struct object_buffer *obj_buffer;
 144     VAEncPictureParameterBufferH264 *pic_param = (VAEncPictureParameterBufferH264 *)encode_state->pic_param_ext->buffer;
 145
 146     assert(!(pic_param->CurrPic.flags & VA_PICTURE_H264_INVALID));
 147
 148     if (pic_param->CurrPic.flags & VA_PICTURE_H264_INVALID)
 149         goto error;
 150
 151     obj_surface = SURFACE(pic_param->CurrPic.picture_id);
 152     assert(obj_surface); /* It is possible the store buffer isn't allocated yet */
 153
 154     if (!obj_surface)
 155         goto error;
 156
 157     obj_buffer = BUFFER(pic_param->coded_buf);
 158     assert(obj_buffer && obj_buffer->buffer_store && obj_buffer->buffer_store->bo);
 159
 160     if (!obj_buffer || !obj_buffer->buffer_store || !obj_buffer->buffer_store->bo)
 161         goto error;
 162
 163     return VA_STATUS_SUCCESS;
 164
 165 error:
 166     return VA_STATUS_ERROR_INVALID_PARAMETER;
 167 }
 168
 169 static VAStatus
 170 intel_encoder_check_mpeg2_parameter(VADriverContextP ctx,
 171                                     struct encode_state *encode_state,
 172                                     struct intel_encoder_context *encoder_context)
 173 {
 174     struct i965_driver_data *i965 = i965_driver_data(ctx);
 175     VAEncPictureParameterBufferMPEG2 *pic_param = (VAEncPictureParameterBufferMPEG2 *)encode_state->pic_param_ext->buffer;
 176     struct object_surface *obj_surface;
 177     struct object_buffer *obj_buffer;
 178
 179     obj_surface = SURFACE(pic_param->reconstructed_picture);
 180     assert(obj_surface); /* It is possible the store buffer isn't allocated yet */
 181
 182     if (!obj_surface)
 183         goto error;
 184
 185     obj_buffer = BUFFER(pic_param->coded_buf);
 186     assert(obj_buffer && obj_buffer->buffer_store && obj_buffer->buffer_store->bo);
 187
 188     if (!obj_buffer || !obj_buffer->buffer_store || !obj_buffer->buffer_store->bo)
 189         goto error;
 190
 191     return VA_STATUS_SUCCESS;
 192
 193 error:
 194     return VA_STATUS_ERROR_INVALID_PARAMETER;
 195 }
 196
 197 static VAStatus
 198 intel_encoder_sanity_check_input(VADriverContextP ctx,
 199                                  VAProfile profile,
 200                                  struct encode_state *encode_state,
 201                                  struct intel_encoder_context *encoder_context)
 202 {
 203     VAStatus vaStatus;
 204
 205     switch (profile) {
 206     case VAProfileH264Baseline:
 207     case VAProfileH264Main:
 208     case VAProfileH264High:
 209         vaStatus = intel_encoder_check_avc_parameter(ctx, encode_state, encoder_context);
 210         break;
 211
 212     case VAProfileMPEG2Simple:
 213     case VAProfileMPEG2Main:
 214         vaStatus = intel_encoder_check_mpeg2_parameter(ctx, encode_state, encoder_context);
 215         break;
 216
 217     default:
 218         vaStatus = VA_STATUS_ERROR_UNSUPPORTED_PROFILE;
 219         break;
 220     }
 221
 222     if (vaStatus != VA_STATUS_SUCCESS)
 223         goto out;
 224
 225     vaStatus = intel_encoder_check_yuv_surface(ctx, profile, encode_state, encoder_context);
 226
 227 out:
 228     return vaStatus;
 229 }
 230
 231 static VAStatus
 232 intel_encoder_end_picture(VADriverContextP ctx,
 233                           VAProfile profile,
 234                           union codec_state *codec_state,
 235                           struct hw_context *hw_context)
 236 {
 237     struct intel_encoder_context *encoder_context = (struct intel_encoder_context *)hw_context;
 238     struct encode_state *encode_state = &codec_state->encode;
 239     VAStatus vaStatus;
 240
 241     vaStatus = intel_encoder_sanity_check_input(ctx, profile, encode_state, encoder_context);
 242
 243     if (vaStatus != VA_STATUS_SUCCESS)
 244         return vaStatus;
 245
 246     encoder_context->mfc_brc_prepare(encode_state, encoder_context);
 247
 248     vaStatus = encoder_context->vme_pipeline(ctx, profile, encode_state, encoder_context);
 249
 250     if (vaStatus == VA_STATUS_SUCCESS)
 251         encoder_context->mfc_pipeline(ctx, profile, encode_state, encoder_context);
 252     return VA_STATUS_SUCCESS;
 253 }
 254
 255 static void
 256 intel_encoder_context_destroy(void *hw_context)
 257 {
 258     struct intel_encoder_context *encoder_context = (struct intel_encoder_context *)hw_context;
 259
 260     encoder_context->mfc_context_destroy(encoder_context->mfc_context);
 261     encoder_context->vme_context_destroy(encoder_context->vme_context);
 262     intel_batchbuffer_free(encoder_context->base.batch);
 263     free(encoder_context);
 264 }
 265
 266 typedef Bool (* hw_init_func)(VADriverContextP, struct intel_encoder_context *);
 267
 268 static struct hw_context *
 269 intel_enc_hw_context_init(VADriverContextP ctx,
 270                           struct object_config *obj_config,
 271                           hw_init_func vme_context_init,
 272                           hw_init_func mfc_context_init)
 273 {
 274     struct intel_driver_data *intel = intel_driver_data(ctx);
 275     struct intel_encoder_context *encoder_context = calloc(1, sizeof(struct intel_encoder_context));
 276     int i;
 277
 278     encoder_context->base.destroy = intel_encoder_context_destroy;
 279     encoder_context->base.run = intel_encoder_end_picture;
 280     encoder_context->base.batch = intel_batchbuffer_new(intel, I915_EXEC_RENDER, 0);
 281     encoder_context->input_yuv_surface = VA_INVALID_SURFACE;
 282     encoder_context->is_tmp_id = 0;
 283     encoder_context->rate_control_mode = VA_RC_NONE;
 284     encoder_context->profile = obj_config->profile;
 285
 286     for (i = 0; i < obj_config->num_attribs; i++) {
 287         if (obj_config->attrib_list[i].type == VAConfigAttribRateControl) {
 288             encoder_context->rate_control_mode = obj_config->attrib_list[i].value;
 289             break;
 290         }
 291     }
 292
 293     vme_context_init(ctx, encoder_context);
 294     assert(encoder_context->vme_context);
 295     assert(encoder_context->vme_context_destroy);
 296     assert(encoder_context->vme_pipeline);
 297
 298     mfc_context_init(ctx, encoder_context);
 299     assert(encoder_context->mfc_context);
 300     assert(encoder_context->mfc_context_destroy);
 301     assert(encoder_context->mfc_pipeline);
 302
 303     return (struct hw_context *)encoder_context;
 304 }
 305
 306 struct hw_context *
 307 gen6_enc_hw_context_init(VADriverContextP ctx, struct object_config *obj_config)
 308 {
 309     return intel_enc_hw_context_init(ctx, obj_config, gen6_vme_context_init, gen6_mfc_context_init);
 310 }
 311
 312 struct hw_context *
 313 gen7_enc_hw_context_init(VADriverContextP ctx, struct object_config *obj_config)
 314 {
 315     return intel_enc_hw_context_init(ctx, obj_config, gen7_vme_context_init, gen7_mfc_context_init);
 316 }
 317
 318 struct hw_context *
 319 gen75_enc_hw_context_init(VADriverContextP ctx, struct object_config *obj_config)
 320 {
 321     return intel_enc_hw_context_init(ctx, obj_config, gen75_vme_context_init, gen75_mfc_context_init);
 322 }