Ander Conselvan de Oliveira | 6aae4d3 | 2013-08-23 17:15:48 +0300 | [diff] [blame] | 1 | /* |
| 2 | * Copyright © 2013 Intel Corporation |
| 3 | * |
| 4 | * Permission to use, copy, modify, distribute, and sell this software and |
| 5 | * its documentation for any purpose is hereby granted without fee, provided |
| 6 | * that the above copyright notice appear in all copies and that both that |
| 7 | * copyright notice and this permission notice appear in supporting |
| 8 | * documentation, and that the name of the copyright holders not be used in |
| 9 | * advertising or publicity pertaining to distribution of the software |
| 10 | * without specific, written prior permission. The copyright holders make |
| 11 | * no representations about the suitability of this software for any |
| 12 | * purpose. It is provided "as is" without express or implied warranty. |
| 13 | * |
| 14 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS |
| 15 | * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| 16 | * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| 17 | * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER |
| 18 | * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF |
| 19 | * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| 20 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | /* Copyright (c) 2012 Intel Corporation. All Rights Reserved. |
| 24 | * |
| 25 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 26 | * copy of this software and associated documentation files (the |
| 27 | * "Software"), to deal in the Software without restriction, including |
| 28 | * without limitation the rights to use, copy, modify, merge, publish, |
| 29 | * distribute, sub license, and/or sell copies of the Software, and to |
| 30 | * permit persons to whom the Software is furnished to do so, subject to |
| 31 | * the following conditions: |
| 32 | * |
| 33 | * The above copyright notice and this permission notice (including the |
| 34 | * next paragraph) shall be included in all copies or substantial portions |
| 35 | * of the Software. |
| 36 | * |
| 37 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 38 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 39 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| 40 | * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR |
| 41 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| 42 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| 43 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 44 | */ |
| 45 | |
| 46 | #include <stdlib.h> |
| 47 | #include <stdint.h> |
| 48 | #include <string.h> |
| 49 | #include <unistd.h> |
Ander Conselvan de Oliveira | b85ded0 | 2013-09-06 17:49:37 +0300 | [diff] [blame] | 50 | #include <assert.h> |
Ander Conselvan de Oliveira | 6aae4d3 | 2013-08-23 17:15:48 +0300 | [diff] [blame] | 51 | |
| 52 | #include <sys/types.h> |
| 53 | #include <sys/stat.h> |
| 54 | #include <fcntl.h> |
| 55 | |
Ander Conselvan de Oliveira | b85ded0 | 2013-09-06 17:49:37 +0300 | [diff] [blame] | 56 | #include <pthread.h> |
Ander Conselvan de Oliveira | 6aae4d3 | 2013-08-23 17:15:48 +0300 | [diff] [blame] | 57 | |
| 58 | #include <va/va.h> |
| 59 | #include <va/va_drm.h> |
| 60 | #include <va/va_drmcommon.h> |
| 61 | #include <va/va_enc_h264.h> |
| 62 | #include <va/va_vpp.h> |
| 63 | |
| 64 | #include "compositor.h" |
| 65 | #include "vaapi-recorder.h" |
| 66 | |
| 67 | #define NAL_REF_IDC_NONE 0 |
| 68 | #define NAL_REF_IDC_LOW 1 |
| 69 | #define NAL_REF_IDC_MEDIUM 2 |
| 70 | #define NAL_REF_IDC_HIGH 3 |
| 71 | |
| 72 | #define NAL_NON_IDR 1 |
| 73 | #define NAL_IDR 5 |
| 74 | #define NAL_SPS 7 |
| 75 | #define NAL_PPS 8 |
| 76 | #define NAL_SEI 6 |
| 77 | |
| 78 | #define SLICE_TYPE_P 0 |
| 79 | #define SLICE_TYPE_B 1 |
| 80 | #define SLICE_TYPE_I 2 |
| 81 | |
| 82 | #define ENTROPY_MODE_CAVLC 0 |
| 83 | #define ENTROPY_MODE_CABAC 1 |
| 84 | |
| 85 | #define PROFILE_IDC_BASELINE 66 |
| 86 | #define PROFILE_IDC_MAIN 77 |
| 87 | #define PROFILE_IDC_HIGH 100 |
| 88 | |
| 89 | struct vaapi_recorder { |
Ander Conselvan de Oliveira | a62ef3e | 2013-09-06 17:49:38 +0300 | [diff] [blame^] | 90 | int drm_fd, output_fd; |
Ander Conselvan de Oliveira | 6aae4d3 | 2013-08-23 17:15:48 +0300 | [diff] [blame] | 91 | int width, height; |
| 92 | int frame_count; |
| 93 | |
Ander Conselvan de Oliveira | b85ded0 | 2013-09-06 17:49:37 +0300 | [diff] [blame] | 94 | int destroying; |
| 95 | pthread_t worker_thread; |
| 96 | pthread_mutex_t mutex; |
| 97 | pthread_cond_t input_cond; |
| 98 | |
| 99 | struct { |
| 100 | int valid; |
| 101 | int prime_fd, stride; |
| 102 | } input; |
| 103 | |
Ander Conselvan de Oliveira | 6aae4d3 | 2013-08-23 17:15:48 +0300 | [diff] [blame] | 104 | VADisplay va_dpy; |
| 105 | |
| 106 | /* video post processing is used for colorspace conversion */ |
| 107 | struct { |
| 108 | VAConfigID cfg; |
| 109 | VAContextID ctx; |
| 110 | VABufferID pipeline_buf; |
| 111 | VASurfaceID output; |
| 112 | } vpp; |
| 113 | |
| 114 | struct { |
| 115 | VAConfigID cfg; |
| 116 | VAContextID ctx; |
| 117 | VASurfaceID reference_picture[3]; |
| 118 | |
| 119 | int intra_period; |
| 120 | int output_size; |
| 121 | int constraint_set_flag; |
| 122 | |
| 123 | struct { |
| 124 | VAEncSequenceParameterBufferH264 seq; |
| 125 | VAEncPictureParameterBufferH264 pic; |
| 126 | VAEncSliceParameterBufferH264 slice; |
| 127 | } param; |
| 128 | } encoder; |
| 129 | }; |
| 130 | |
Ander Conselvan de Oliveira | b85ded0 | 2013-09-06 17:49:37 +0300 | [diff] [blame] | 131 | static void * |
| 132 | worker_thread_function(void *); |
| 133 | |
Ander Conselvan de Oliveira | 6aae4d3 | 2013-08-23 17:15:48 +0300 | [diff] [blame] | 134 | /* bistream code used for writing the packed headers */ |
| 135 | |
| 136 | #define BITSTREAM_ALLOCATE_STEPPING 4096 |
| 137 | |
| 138 | struct bitstream { |
| 139 | unsigned int *buffer; |
| 140 | int bit_offset; |
| 141 | int max_size_in_dword; |
| 142 | }; |
| 143 | |
| 144 | static unsigned int |
| 145 | va_swap32(unsigned int val) |
| 146 | { |
| 147 | unsigned char *pval = (unsigned char *)&val; |
| 148 | |
| 149 | return ((pval[0] << 24) | |
| 150 | (pval[1] << 16) | |
| 151 | (pval[2] << 8) | |
| 152 | (pval[3] << 0)); |
| 153 | } |
| 154 | |
| 155 | static void |
| 156 | bitstream_start(struct bitstream *bs) |
| 157 | { |
| 158 | bs->max_size_in_dword = BITSTREAM_ALLOCATE_STEPPING; |
| 159 | bs->buffer = calloc(bs->max_size_in_dword * sizeof(int), 1); |
| 160 | bs->bit_offset = 0; |
| 161 | } |
| 162 | |
| 163 | static void |
| 164 | bitstream_end(struct bitstream *bs) |
| 165 | { |
| 166 | int pos = (bs->bit_offset >> 5); |
| 167 | int bit_offset = (bs->bit_offset & 0x1f); |
| 168 | int bit_left = 32 - bit_offset; |
| 169 | |
| 170 | if (bit_offset) { |
| 171 | bs->buffer[pos] = va_swap32((bs->buffer[pos] << bit_left)); |
| 172 | } |
| 173 | } |
| 174 | |
| 175 | static void |
| 176 | bitstream_put_ui(struct bitstream *bs, unsigned int val, int size_in_bits) |
| 177 | { |
| 178 | int pos = (bs->bit_offset >> 5); |
| 179 | int bit_offset = (bs->bit_offset & 0x1f); |
| 180 | int bit_left = 32 - bit_offset; |
| 181 | |
| 182 | if (!size_in_bits) |
| 183 | return; |
| 184 | |
| 185 | bs->bit_offset += size_in_bits; |
| 186 | |
| 187 | if (bit_left > size_in_bits) { |
| 188 | bs->buffer[pos] = (bs->buffer[pos] << size_in_bits | val); |
| 189 | return; |
| 190 | } |
| 191 | |
| 192 | size_in_bits -= bit_left; |
| 193 | bs->buffer[pos] = |
| 194 | (bs->buffer[pos] << bit_left) | (val >> size_in_bits); |
| 195 | bs->buffer[pos] = va_swap32(bs->buffer[pos]); |
| 196 | |
| 197 | if (pos + 1 == bs->max_size_in_dword) { |
| 198 | bs->max_size_in_dword += BITSTREAM_ALLOCATE_STEPPING; |
| 199 | bs->buffer = |
| 200 | realloc(bs->buffer, |
| 201 | bs->max_size_in_dword * sizeof(unsigned int)); |
| 202 | } |
| 203 | |
| 204 | bs->buffer[pos + 1] = val; |
| 205 | } |
| 206 | |
| 207 | static void |
| 208 | bitstream_put_ue(struct bitstream *bs, unsigned int val) |
| 209 | { |
| 210 | int size_in_bits = 0; |
| 211 | int tmp_val = ++val; |
| 212 | |
| 213 | while (tmp_val) { |
| 214 | tmp_val >>= 1; |
| 215 | size_in_bits++; |
| 216 | } |
| 217 | |
| 218 | bitstream_put_ui(bs, 0, size_in_bits - 1); // leading zero |
| 219 | bitstream_put_ui(bs, val, size_in_bits); |
| 220 | } |
| 221 | |
| 222 | static void |
| 223 | bitstream_put_se(struct bitstream *bs, int val) |
| 224 | { |
| 225 | unsigned int new_val; |
| 226 | |
| 227 | if (val <= 0) |
| 228 | new_val = -2 * val; |
| 229 | else |
| 230 | new_val = 2 * val - 1; |
| 231 | |
| 232 | bitstream_put_ue(bs, new_val); |
| 233 | } |
| 234 | |
| 235 | static void |
| 236 | bitstream_byte_aligning(struct bitstream *bs, int bit) |
| 237 | { |
| 238 | int bit_offset = (bs->bit_offset & 0x7); |
| 239 | int bit_left = 8 - bit_offset; |
| 240 | int new_val; |
| 241 | |
| 242 | if (!bit_offset) |
| 243 | return; |
| 244 | |
| 245 | if (bit) |
| 246 | new_val = (1 << bit_left) - 1; |
| 247 | else |
| 248 | new_val = 0; |
| 249 | |
| 250 | bitstream_put_ui(bs, new_val, bit_left); |
| 251 | } |
| 252 | |
| 253 | static VAStatus |
| 254 | encoder_create_config(struct vaapi_recorder *r) |
| 255 | { |
| 256 | VAConfigAttrib attrib[2]; |
| 257 | VAStatus status; |
| 258 | |
| 259 | /* FIXME: should check if VAEntrypointEncSlice is supported */ |
| 260 | |
| 261 | /* FIXME: should check if specified attributes are supported */ |
| 262 | |
| 263 | attrib[0].type = VAConfigAttribRTFormat; |
| 264 | attrib[0].value = VA_RT_FORMAT_YUV420; |
| 265 | |
| 266 | attrib[1].type = VAConfigAttribRateControl; |
| 267 | attrib[1].value = VA_RC_CQP; |
| 268 | |
| 269 | status = vaCreateConfig(r->va_dpy, VAProfileH264Main, |
| 270 | VAEntrypointEncSlice, attrib, 2, |
| 271 | &r->encoder.cfg); |
| 272 | if (status != VA_STATUS_SUCCESS) |
| 273 | return status; |
| 274 | |
| 275 | status = vaCreateContext(r->va_dpy, r->encoder.cfg, |
| 276 | r->width, r->height, VA_PROGRESSIVE, 0, 0, |
| 277 | &r->encoder.ctx); |
| 278 | if (status != VA_STATUS_SUCCESS) { |
| 279 | vaDestroyConfig(r->va_dpy, r->encoder.cfg); |
| 280 | return status; |
| 281 | } |
| 282 | |
| 283 | return VA_STATUS_SUCCESS; |
| 284 | } |
| 285 | |
| 286 | static void |
| 287 | encoder_destroy_config(struct vaapi_recorder *r) |
| 288 | { |
| 289 | vaDestroyContext(r->va_dpy, r->encoder.ctx); |
| 290 | vaDestroyConfig(r->va_dpy, r->encoder.cfg); |
| 291 | } |
| 292 | |
| 293 | static void |
| 294 | encoder_init_seq_parameters(struct vaapi_recorder *r) |
| 295 | { |
| 296 | int width_in_mbs, height_in_mbs; |
| 297 | int frame_cropping_flag = 0; |
| 298 | int frame_crop_bottom_offset = 0; |
| 299 | |
| 300 | width_in_mbs = (r->width + 15) / 16; |
| 301 | height_in_mbs = (r->height + 15) / 16; |
| 302 | |
| 303 | r->encoder.param.seq.level_idc = 41; |
| 304 | r->encoder.param.seq.intra_period = r->encoder.intra_period; |
| 305 | r->encoder.param.seq.max_num_ref_frames = 4; |
| 306 | r->encoder.param.seq.picture_width_in_mbs = width_in_mbs; |
| 307 | r->encoder.param.seq.picture_height_in_mbs = height_in_mbs; |
| 308 | r->encoder.param.seq.seq_fields.bits.frame_mbs_only_flag = 1; |
| 309 | |
| 310 | /* Tc = num_units_in_tick / time_scale */ |
| 311 | r->encoder.param.seq.time_scale = 1800; |
| 312 | r->encoder.param.seq.num_units_in_tick = 15; |
| 313 | |
| 314 | if (height_in_mbs * 16 - r->height > 0) { |
| 315 | frame_cropping_flag = 1; |
| 316 | frame_crop_bottom_offset = (height_in_mbs * 16 - r->height) / 2; |
| 317 | } |
| 318 | |
| 319 | r->encoder.param.seq.frame_cropping_flag = frame_cropping_flag; |
| 320 | r->encoder.param.seq.frame_crop_bottom_offset = frame_crop_bottom_offset; |
| 321 | |
| 322 | r->encoder.param.seq.seq_fields.bits.log2_max_pic_order_cnt_lsb_minus4 = 2; |
| 323 | } |
| 324 | |
| 325 | static VABufferID |
| 326 | encoder_update_seq_parameters(struct vaapi_recorder *r) |
| 327 | { |
| 328 | VABufferID seq_buf; |
| 329 | VAStatus status; |
| 330 | |
| 331 | status = vaCreateBuffer(r->va_dpy, r->encoder.ctx, |
| 332 | VAEncSequenceParameterBufferType, |
| 333 | sizeof(r->encoder.param.seq), |
| 334 | 1, &r->encoder.param.seq, |
| 335 | &seq_buf); |
| 336 | |
| 337 | if (status == VA_STATUS_SUCCESS) |
| 338 | return seq_buf; |
| 339 | else |
| 340 | return VA_INVALID_ID; |
| 341 | } |
| 342 | |
| 343 | static void |
| 344 | encoder_init_pic_parameters(struct vaapi_recorder *r) |
| 345 | { |
| 346 | VAEncPictureParameterBufferH264 *pic = &r->encoder.param.pic; |
| 347 | |
| 348 | pic->pic_init_qp = 0; |
| 349 | |
| 350 | /* ENTROPY_MODE_CABAC */ |
| 351 | pic->pic_fields.bits.entropy_coding_mode_flag = 1; |
| 352 | |
| 353 | pic->pic_fields.bits.deblocking_filter_control_present_flag = 1; |
| 354 | } |
| 355 | |
| 356 | static VABufferID |
| 357 | encoder_update_pic_parameters(struct vaapi_recorder *r, |
| 358 | VABufferID output_buf) |
| 359 | { |
| 360 | VAEncPictureParameterBufferH264 *pic = &r->encoder.param.pic; |
| 361 | VAStatus status; |
| 362 | VABufferID pic_param_buf; |
| 363 | VASurfaceID curr_pic, pic0; |
| 364 | |
| 365 | curr_pic = r->encoder.reference_picture[r->frame_count % 2]; |
| 366 | pic0 = r->encoder.reference_picture[(r->frame_count + 1) % 2]; |
| 367 | |
| 368 | pic->CurrPic.picture_id = curr_pic; |
| 369 | pic->CurrPic.TopFieldOrderCnt = r->frame_count * 2; |
| 370 | pic->ReferenceFrames[0].picture_id = pic0; |
| 371 | pic->ReferenceFrames[1].picture_id = r->encoder.reference_picture[2]; |
| 372 | pic->ReferenceFrames[2].picture_id = VA_INVALID_ID; |
| 373 | |
| 374 | pic->coded_buf = output_buf; |
| 375 | pic->frame_num = r->frame_count; |
| 376 | |
| 377 | pic->pic_fields.bits.idr_pic_flag = (r->frame_count == 0); |
| 378 | pic->pic_fields.bits.reference_pic_flag = 1; |
| 379 | |
| 380 | status = vaCreateBuffer(r->va_dpy, r->encoder.ctx, |
| 381 | VAEncPictureParameterBufferType, |
| 382 | sizeof(VAEncPictureParameterBufferH264), 1, |
| 383 | pic, &pic_param_buf); |
| 384 | |
| 385 | if (status == VA_STATUS_SUCCESS) |
| 386 | return pic_param_buf; |
| 387 | else |
| 388 | return VA_INVALID_ID; |
| 389 | } |
| 390 | |
| 391 | static VABufferID |
| 392 | encoder_update_slice_parameter(struct vaapi_recorder *r, int slice_type) |
| 393 | { |
| 394 | VABufferID slice_param_buf; |
| 395 | VAStatus status; |
| 396 | |
| 397 | int width_in_mbs = (r->width + 15) / 16; |
| 398 | int height_in_mbs = (r->height + 15) / 16; |
| 399 | |
| 400 | memset(&r->encoder.param.slice, 0, sizeof r->encoder.param.slice); |
| 401 | |
| 402 | r->encoder.param.slice.num_macroblocks = width_in_mbs * height_in_mbs; |
| 403 | r->encoder.param.slice.slice_type = slice_type; |
| 404 | |
| 405 | r->encoder.param.slice.slice_alpha_c0_offset_div2 = 2; |
| 406 | r->encoder.param.slice.slice_beta_offset_div2 = 2; |
| 407 | |
| 408 | status = vaCreateBuffer(r->va_dpy, r->encoder.ctx, |
| 409 | VAEncSliceParameterBufferType, |
| 410 | sizeof(r->encoder.param.slice), 1, |
| 411 | &r->encoder.param.slice, |
| 412 | &slice_param_buf); |
| 413 | |
| 414 | if (status == VA_STATUS_SUCCESS) |
| 415 | return slice_param_buf; |
| 416 | else |
| 417 | return VA_INVALID_ID; |
| 418 | } |
| 419 | |
| 420 | static VABufferID |
| 421 | encoder_update_misc_hdr_parameter(struct vaapi_recorder *r) |
| 422 | { |
| 423 | VAEncMiscParameterBuffer *misc_param; |
| 424 | VAEncMiscParameterHRD *hrd; |
| 425 | VABufferID buffer; |
| 426 | VAStatus status; |
| 427 | |
| 428 | int total_size = |
| 429 | sizeof(VAEncMiscParameterBuffer) + |
| 430 | sizeof(VAEncMiscParameterRateControl); |
| 431 | |
| 432 | status = vaCreateBuffer(r->va_dpy, r->encoder.ctx, |
| 433 | VAEncMiscParameterBufferType, total_size, |
| 434 | 1, NULL, &buffer); |
| 435 | if (status != VA_STATUS_SUCCESS) |
| 436 | return VA_INVALID_ID; |
| 437 | |
| 438 | status = vaMapBuffer(r->va_dpy, buffer, (void **) &misc_param); |
| 439 | if (status != VA_STATUS_SUCCESS) { |
| 440 | vaDestroyBuffer(r->va_dpy, buffer); |
| 441 | return VA_INVALID_ID; |
| 442 | } |
| 443 | |
| 444 | misc_param->type = VAEncMiscParameterTypeHRD; |
| 445 | hrd = (VAEncMiscParameterHRD *) misc_param->data; |
| 446 | |
| 447 | hrd->initial_buffer_fullness = 0; |
| 448 | hrd->buffer_size = 0; |
| 449 | |
| 450 | vaUnmapBuffer(r->va_dpy, buffer); |
| 451 | |
| 452 | return buffer; |
| 453 | } |
| 454 | |
| 455 | static int |
| 456 | setup_encoder(struct vaapi_recorder *r) |
| 457 | { |
| 458 | VAStatus status; |
| 459 | |
| 460 | status = encoder_create_config(r); |
| 461 | if (status != VA_STATUS_SUCCESS) { |
| 462 | return -1; |
| 463 | } |
| 464 | |
| 465 | status = vaCreateSurfaces(r->va_dpy, VA_RT_FORMAT_YUV420, |
| 466 | r->width, r->height, |
| 467 | r->encoder.reference_picture, 3, |
| 468 | NULL, 0); |
| 469 | if (status != VA_STATUS_SUCCESS) { |
| 470 | encoder_destroy_config(r); |
| 471 | return -1; |
| 472 | } |
| 473 | |
| 474 | /* VAProfileH264Main */ |
| 475 | r->encoder.constraint_set_flag |= (1 << 1); /* Annex A.2.2 */ |
| 476 | |
| 477 | r->encoder.output_size = r->width * r->height; |
| 478 | |
| 479 | r->encoder.intra_period = 30; |
| 480 | |
| 481 | encoder_init_seq_parameters(r); |
| 482 | encoder_init_pic_parameters(r); |
| 483 | |
| 484 | return 0; |
| 485 | } |
| 486 | |
| 487 | static void |
| 488 | encoder_destroy(struct vaapi_recorder *r) |
| 489 | { |
| 490 | vaDestroySurfaces(r->va_dpy, r->encoder.reference_picture, 3); |
| 491 | |
| 492 | encoder_destroy_config(r); |
| 493 | } |
| 494 | |
| 495 | static void |
| 496 | nal_start_code_prefix(struct bitstream *bs) |
| 497 | { |
| 498 | bitstream_put_ui(bs, 0x00000001, 32); |
| 499 | } |
| 500 | |
| 501 | static void |
| 502 | nal_header(struct bitstream *bs, int nal_ref_idc, int nal_unit_type) |
| 503 | { |
| 504 | /* forbidden_zero_bit: 0 */ |
| 505 | bitstream_put_ui(bs, 0, 1); |
| 506 | |
| 507 | bitstream_put_ui(bs, nal_ref_idc, 2); |
| 508 | bitstream_put_ui(bs, nal_unit_type, 5); |
| 509 | } |
| 510 | |
| 511 | static void |
| 512 | rbsp_trailing_bits(struct bitstream *bs) |
| 513 | { |
| 514 | bitstream_put_ui(bs, 1, 1); |
| 515 | bitstream_byte_aligning(bs, 0); |
| 516 | } |
| 517 | |
| 518 | static void sps_rbsp(struct bitstream *bs, |
| 519 | VAEncSequenceParameterBufferH264 *seq, |
| 520 | int constraint_set_flag) |
| 521 | { |
| 522 | int i; |
| 523 | |
| 524 | bitstream_put_ui(bs, PROFILE_IDC_MAIN, 8); |
| 525 | |
| 526 | /* constraint_set[0-3] flag */ |
| 527 | for (i = 0; i < 4; i++) { |
| 528 | int set = (constraint_set_flag & (1 << i)) ? 1 : 0; |
| 529 | bitstream_put_ui(bs, set, 1); |
| 530 | } |
| 531 | |
| 532 | /* reserved_zero_4bits */ |
| 533 | bitstream_put_ui(bs, 0, 4); |
| 534 | bitstream_put_ui(bs, seq->level_idc, 8); |
| 535 | bitstream_put_ue(bs, seq->seq_parameter_set_id); |
| 536 | |
| 537 | bitstream_put_ue(bs, seq->seq_fields.bits.log2_max_frame_num_minus4); |
| 538 | bitstream_put_ue(bs, seq->seq_fields.bits.pic_order_cnt_type); |
| 539 | bitstream_put_ue(bs, |
| 540 | seq->seq_fields.bits.log2_max_pic_order_cnt_lsb_minus4); |
| 541 | |
| 542 | bitstream_put_ue(bs, seq->max_num_ref_frames); |
| 543 | |
| 544 | /* gaps_in_frame_num_value_allowed_flag */ |
| 545 | bitstream_put_ui(bs, 0, 1); |
| 546 | |
| 547 | /* pic_width_in_mbs_minus1, pic_height_in_map_units_minus1 */ |
| 548 | bitstream_put_ue(bs, seq->picture_width_in_mbs - 1); |
| 549 | bitstream_put_ue(bs, seq->picture_height_in_mbs - 1); |
| 550 | |
| 551 | bitstream_put_ui(bs, seq->seq_fields.bits.frame_mbs_only_flag, 1); |
| 552 | bitstream_put_ui(bs, seq->seq_fields.bits.direct_8x8_inference_flag, 1); |
| 553 | |
| 554 | bitstream_put_ui(bs, seq->frame_cropping_flag, 1); |
| 555 | |
| 556 | if (seq->frame_cropping_flag) { |
| 557 | bitstream_put_ue(bs, seq->frame_crop_left_offset); |
| 558 | bitstream_put_ue(bs, seq->frame_crop_right_offset); |
| 559 | bitstream_put_ue(bs, seq->frame_crop_top_offset); |
| 560 | bitstream_put_ue(bs, seq->frame_crop_bottom_offset); |
| 561 | } |
| 562 | |
| 563 | /* vui_parameters_present_flag */ |
| 564 | bitstream_put_ui(bs, 1, 1); |
| 565 | |
| 566 | /* aspect_ratio_info_present_flag */ |
| 567 | bitstream_put_ui(bs, 0, 1); |
| 568 | /* overscan_info_present_flag */ |
| 569 | bitstream_put_ui(bs, 0, 1); |
| 570 | |
| 571 | /* video_signal_type_present_flag */ |
| 572 | bitstream_put_ui(bs, 0, 1); |
| 573 | /* chroma_loc_info_present_flag */ |
| 574 | bitstream_put_ui(bs, 0, 1); |
| 575 | |
| 576 | /* timing_info_present_flag */ |
| 577 | bitstream_put_ui(bs, 1, 1); |
| 578 | bitstream_put_ui(bs, seq->num_units_in_tick, 32); |
| 579 | bitstream_put_ui(bs, seq->time_scale, 32); |
| 580 | /* fixed_frame_rate_flag */ |
| 581 | bitstream_put_ui(bs, 1, 1); |
| 582 | |
| 583 | /* nal_hrd_parameters_present_flag */ |
| 584 | bitstream_put_ui(bs, 0, 1); |
| 585 | |
| 586 | /* vcl_hrd_parameters_present_flag */ |
| 587 | bitstream_put_ui(bs, 0, 1); |
| 588 | |
| 589 | /* low_delay_hrd_flag */ |
| 590 | bitstream_put_ui(bs, 0, 1); |
| 591 | |
| 592 | /* pic_struct_present_flag */ |
| 593 | bitstream_put_ui(bs, 0, 1); |
| 594 | /* bitstream_restriction_flag */ |
| 595 | bitstream_put_ui(bs, 0, 1); |
| 596 | |
| 597 | rbsp_trailing_bits(bs); |
| 598 | } |
| 599 | |
| 600 | static void pps_rbsp(struct bitstream *bs, |
| 601 | VAEncPictureParameterBufferH264 *pic) |
| 602 | { |
| 603 | /* pic_parameter_set_id, seq_parameter_set_id */ |
| 604 | bitstream_put_ue(bs, pic->pic_parameter_set_id); |
| 605 | bitstream_put_ue(bs, pic->seq_parameter_set_id); |
| 606 | |
| 607 | bitstream_put_ui(bs, pic->pic_fields.bits.entropy_coding_mode_flag, 1); |
| 608 | |
| 609 | /* pic_order_present_flag: 0 */ |
| 610 | bitstream_put_ui(bs, 0, 1); |
| 611 | |
| 612 | /* num_slice_groups_minus1 */ |
| 613 | bitstream_put_ue(bs, 0); |
| 614 | |
| 615 | bitstream_put_ue(bs, pic->num_ref_idx_l0_active_minus1); |
| 616 | bitstream_put_ue(bs, pic->num_ref_idx_l1_active_minus1); |
| 617 | |
| 618 | bitstream_put_ui(bs, pic->pic_fields.bits.weighted_pred_flag, 1); |
| 619 | bitstream_put_ui(bs, pic->pic_fields.bits.weighted_bipred_idc, 2); |
| 620 | |
| 621 | /* pic_init_qp_minus26, pic_init_qs_minus26, chroma_qp_index_offset */ |
| 622 | bitstream_put_se(bs, pic->pic_init_qp - 26); |
| 623 | bitstream_put_se(bs, 0); |
| 624 | bitstream_put_se(bs, 0); |
| 625 | |
| 626 | bitstream_put_ui(bs, pic->pic_fields.bits.deblocking_filter_control_present_flag, 1); |
| 627 | |
| 628 | /* constrained_intra_pred_flag, redundant_pic_cnt_present_flag */ |
| 629 | bitstream_put_ui(bs, 0, 1); |
| 630 | bitstream_put_ui(bs, 0, 1); |
| 631 | |
| 632 | bitstream_put_ui(bs, pic->pic_fields.bits.transform_8x8_mode_flag, 1); |
| 633 | |
| 634 | /* pic_scaling_matrix_present_flag */ |
| 635 | bitstream_put_ui(bs, 0, 1); |
| 636 | bitstream_put_se(bs, pic->second_chroma_qp_index_offset ); |
| 637 | |
| 638 | rbsp_trailing_bits(bs); |
| 639 | } |
| 640 | |
| 641 | static int |
| 642 | build_packed_pic_buffer(struct vaapi_recorder *r, |
| 643 | void **header_buffer) |
| 644 | { |
| 645 | struct bitstream bs; |
| 646 | |
| 647 | bitstream_start(&bs); |
| 648 | nal_start_code_prefix(&bs); |
| 649 | nal_header(&bs, NAL_REF_IDC_HIGH, NAL_PPS); |
| 650 | pps_rbsp(&bs, &r->encoder.param.pic); |
| 651 | bitstream_end(&bs); |
| 652 | |
| 653 | *header_buffer = bs.buffer; |
| 654 | return bs.bit_offset; |
| 655 | } |
| 656 | |
| 657 | static int |
| 658 | build_packed_seq_buffer(struct vaapi_recorder *r, |
| 659 | void **header_buffer) |
| 660 | { |
| 661 | struct bitstream bs; |
| 662 | |
| 663 | bitstream_start(&bs); |
| 664 | nal_start_code_prefix(&bs); |
| 665 | nal_header(&bs, NAL_REF_IDC_HIGH, NAL_SPS); |
| 666 | sps_rbsp(&bs, &r->encoder.param.seq, r->encoder.constraint_set_flag); |
| 667 | bitstream_end(&bs); |
| 668 | |
| 669 | *header_buffer = bs.buffer; |
| 670 | return bs.bit_offset; |
| 671 | } |
| 672 | |
| 673 | static int |
| 674 | create_packed_header_buffers(struct vaapi_recorder *r, VABufferID *buffers, |
| 675 | VAEncPackedHeaderType type, |
| 676 | void *data, int bit_length) |
| 677 | { |
| 678 | VAEncPackedHeaderParameterBuffer packed_header; |
| 679 | VAStatus status; |
| 680 | |
| 681 | packed_header.type = type; |
| 682 | packed_header.bit_length = bit_length; |
| 683 | packed_header.has_emulation_bytes = 0; |
| 684 | |
| 685 | status = vaCreateBuffer(r->va_dpy, r->encoder.ctx, |
| 686 | VAEncPackedHeaderParameterBufferType, |
| 687 | sizeof packed_header, 1, &packed_header, |
| 688 | &buffers[0]); |
| 689 | if (status != VA_STATUS_SUCCESS) |
| 690 | return 0; |
| 691 | |
| 692 | status = vaCreateBuffer(r->va_dpy, r->encoder.ctx, |
| 693 | VAEncPackedHeaderDataBufferType, |
| 694 | (bit_length + 7) / 8, 1, data, &buffers[1]); |
| 695 | if (status != VA_STATUS_SUCCESS) { |
| 696 | vaDestroyBuffer(r->va_dpy, buffers[0]); |
| 697 | return 0; |
| 698 | } |
| 699 | |
| 700 | return 2; |
| 701 | } |
| 702 | |
| 703 | static int |
| 704 | encoder_prepare_headers(struct vaapi_recorder *r, VABufferID *buffers) |
| 705 | { |
| 706 | VABufferID *p; |
| 707 | |
| 708 | int bit_length; |
| 709 | void *data; |
| 710 | |
| 711 | p = buffers; |
| 712 | |
| 713 | bit_length = build_packed_seq_buffer(r, &data); |
| 714 | p += create_packed_header_buffers(r, p, VAEncPackedHeaderSequence, |
| 715 | data, bit_length); |
| 716 | free(data); |
| 717 | |
| 718 | bit_length = build_packed_pic_buffer(r, &data); |
| 719 | p += create_packed_header_buffers(r, p, VAEncPackedHeaderPicture, |
| 720 | data, bit_length); |
| 721 | free(data); |
| 722 | |
| 723 | return p - buffers; |
| 724 | } |
| 725 | |
| 726 | static VAStatus |
| 727 | encoder_render_picture(struct vaapi_recorder *r, VASurfaceID input, |
| 728 | VABufferID *buffers, int count) |
| 729 | { |
| 730 | VAStatus status; |
| 731 | |
| 732 | status = vaBeginPicture(r->va_dpy, r->encoder.ctx, input); |
| 733 | if (status != VA_STATUS_SUCCESS) |
| 734 | return status; |
| 735 | |
| 736 | status = vaRenderPicture(r->va_dpy, r->encoder.ctx, buffers, count); |
| 737 | if (status != VA_STATUS_SUCCESS) |
| 738 | return status; |
| 739 | |
| 740 | status = vaEndPicture(r->va_dpy, r->encoder.ctx); |
| 741 | if (status != VA_STATUS_SUCCESS) |
| 742 | return status; |
| 743 | |
| 744 | return vaSyncSurface(r->va_dpy, input); |
| 745 | } |
| 746 | |
| 747 | static VABufferID |
| 748 | encoder_create_output_buffer(struct vaapi_recorder *r) |
| 749 | { |
| 750 | VABufferID output_buf; |
| 751 | VAStatus status; |
| 752 | |
| 753 | status = vaCreateBuffer(r->va_dpy, r->encoder.ctx, |
| 754 | VAEncCodedBufferType, r->encoder.output_size, |
| 755 | 1, NULL, &output_buf); |
| 756 | if (status == VA_STATUS_SUCCESS) |
| 757 | return output_buf; |
| 758 | else |
| 759 | return VA_INVALID_ID; |
| 760 | } |
| 761 | |
| 762 | static int |
| 763 | encoder_write_output(struct vaapi_recorder *r, VABufferID output_buf) |
| 764 | { |
| 765 | VACodedBufferSegment *segment; |
| 766 | VAStatus status; |
| 767 | int count; |
| 768 | |
| 769 | status = vaMapBuffer(r->va_dpy, output_buf, (void **) &segment); |
| 770 | if (status != VA_STATUS_SUCCESS) |
| 771 | return -1; |
| 772 | |
| 773 | if (segment->status & VA_CODED_BUF_STATUS_SLICE_OVERFLOW_MASK) { |
| 774 | r->encoder.output_size *= 2; |
| 775 | vaUnmapBuffer(r->va_dpy, output_buf); |
| 776 | return -1; |
| 777 | } |
| 778 | |
| 779 | count = write(r->output_fd, segment->buf, segment->size); |
| 780 | |
| 781 | vaUnmapBuffer(r->va_dpy, output_buf); |
| 782 | |
| 783 | return count; |
| 784 | } |
| 785 | |
| 786 | static void |
| 787 | encoder_encode(struct vaapi_recorder *r, VASurfaceID input) |
| 788 | { |
| 789 | VABufferID output_buf = VA_INVALID_ID; |
| 790 | |
| 791 | VABufferID buffers[8]; |
| 792 | int count = 0; |
| 793 | |
| 794 | int slice_type; |
| 795 | int ret, i; |
| 796 | |
| 797 | if ((r->frame_count % r->encoder.intra_period) == 0) |
| 798 | slice_type = SLICE_TYPE_I; |
| 799 | else |
| 800 | slice_type = SLICE_TYPE_P; |
| 801 | |
| 802 | buffers[count++] = encoder_update_seq_parameters(r); |
| 803 | buffers[count++] = encoder_update_misc_hdr_parameter(r); |
| 804 | buffers[count++] = encoder_update_slice_parameter(r, slice_type); |
| 805 | |
| 806 | for (i = 0; i < count; i++) |
| 807 | if (buffers[i] == VA_INVALID_ID) |
| 808 | goto bail; |
| 809 | |
| 810 | if (r->frame_count == 0) |
| 811 | count += encoder_prepare_headers(r, buffers + count); |
| 812 | |
| 813 | do { |
| 814 | output_buf = encoder_create_output_buffer(r); |
| 815 | if (output_buf == VA_INVALID_ID) |
| 816 | goto bail; |
| 817 | |
| 818 | buffers[count++] = |
| 819 | encoder_update_pic_parameters(r, output_buf); |
| 820 | if (buffers[count - 1] == VA_INVALID_ID) |
| 821 | goto bail; |
| 822 | |
| 823 | encoder_render_picture(r, input, buffers, count); |
| 824 | ret = encoder_write_output(r, output_buf); |
| 825 | |
| 826 | vaDestroyBuffer(r->va_dpy, output_buf); |
| 827 | output_buf = VA_INVALID_ID; |
| 828 | |
| 829 | vaDestroyBuffer(r->va_dpy, buffers[--count]); |
| 830 | } while (ret < 0); |
| 831 | |
| 832 | for (i = 0; i < count; i++) |
| 833 | vaDestroyBuffer(r->va_dpy, buffers[i]); |
| 834 | |
| 835 | r->frame_count++; |
| 836 | return; |
| 837 | |
| 838 | bail: |
| 839 | for (i = 0; i < count; i++) |
| 840 | vaDestroyBuffer(r->va_dpy, buffers[i]); |
| 841 | if (output_buf != VA_INVALID_ID) |
| 842 | vaDestroyBuffer(r->va_dpy, output_buf); |
| 843 | } |
| 844 | |
| 845 | |
| 846 | static int |
| 847 | setup_vpp(struct vaapi_recorder *r) |
| 848 | { |
| 849 | VAStatus status; |
| 850 | |
| 851 | status = vaCreateConfig(r->va_dpy, VAProfileNone, |
| 852 | VAEntrypointVideoProc, NULL, 0, |
| 853 | &r->vpp.cfg); |
| 854 | if (status != VA_STATUS_SUCCESS) { |
| 855 | weston_log("vaapi: failed to create VPP config\n"); |
| 856 | return -1; |
| 857 | } |
| 858 | |
| 859 | status = vaCreateContext(r->va_dpy, r->vpp.cfg, r->width, r->height, |
| 860 | 0, NULL, 0, &r->vpp.ctx); |
| 861 | if (status != VA_STATUS_SUCCESS) { |
| 862 | weston_log("vaapi: failed to create VPP context\n"); |
| 863 | goto err_cfg; |
| 864 | } |
| 865 | |
| 866 | status = vaCreateBuffer(r->va_dpy, r->vpp.ctx, |
| 867 | VAProcPipelineParameterBufferType, |
| 868 | sizeof(VAProcPipelineParameterBuffer), |
| 869 | 1, NULL, &r->vpp.pipeline_buf); |
| 870 | if (status != VA_STATUS_SUCCESS) { |
| 871 | weston_log("vaapi: failed to create VPP pipeline buffer\n"); |
| 872 | goto err_ctx; |
| 873 | } |
| 874 | |
| 875 | status = vaCreateSurfaces(r->va_dpy, VA_RT_FORMAT_YUV420, |
| 876 | r->width, r->height, &r->vpp.output, 1, |
| 877 | NULL, 0); |
| 878 | if (status != VA_STATUS_SUCCESS) { |
| 879 | weston_log("vaapi: failed to create YUV surface\n"); |
| 880 | goto err_buf; |
| 881 | } |
| 882 | |
| 883 | return 0; |
| 884 | |
| 885 | err_buf: |
| 886 | vaDestroyBuffer(r->va_dpy, r->vpp.pipeline_buf); |
| 887 | err_ctx: |
| 888 | vaDestroyConfig(r->va_dpy, r->vpp.ctx); |
| 889 | err_cfg: |
| 890 | vaDestroyConfig(r->va_dpy, r->vpp.cfg); |
| 891 | |
| 892 | return -1; |
| 893 | } |
| 894 | |
| 895 | static void |
| 896 | vpp_destroy(struct vaapi_recorder *r) |
| 897 | { |
| 898 | vaDestroySurfaces(r->va_dpy, &r->vpp.output, 1); |
| 899 | vaDestroyBuffer(r->va_dpy, r->vpp.pipeline_buf); |
| 900 | vaDestroyConfig(r->va_dpy, r->vpp.ctx); |
| 901 | vaDestroyConfig(r->va_dpy, r->vpp.cfg); |
| 902 | } |
| 903 | |
Ander Conselvan de Oliveira | b85ded0 | 2013-09-06 17:49:37 +0300 | [diff] [blame] | 904 | static int |
| 905 | setup_worker_thread(struct vaapi_recorder *r) |
| 906 | { |
| 907 | pthread_mutex_init(&r->mutex, NULL); |
| 908 | pthread_cond_init(&r->input_cond, NULL); |
| 909 | pthread_create(&r->worker_thread, NULL, worker_thread_function, r); |
| 910 | |
| 911 | return 1; |
| 912 | } |
| 913 | |
| 914 | static void |
| 915 | destroy_worker_thread(struct vaapi_recorder *r) |
| 916 | { |
| 917 | pthread_mutex_lock(&r->mutex); |
| 918 | |
| 919 | /* Make sure the worker thread finishes */ |
| 920 | r->destroying = 1; |
| 921 | pthread_cond_signal(&r->input_cond); |
| 922 | |
| 923 | pthread_mutex_unlock(&r->mutex); |
| 924 | |
| 925 | pthread_join(r->worker_thread, NULL); |
| 926 | |
| 927 | pthread_mutex_destroy(&r->mutex); |
| 928 | pthread_cond_destroy(&r->input_cond); |
| 929 | } |
| 930 | |
Ander Conselvan de Oliveira | 6aae4d3 | 2013-08-23 17:15:48 +0300 | [diff] [blame] | 931 | struct vaapi_recorder * |
| 932 | vaapi_recorder_create(int drm_fd, int width, int height, const char *filename) |
| 933 | { |
| 934 | struct vaapi_recorder *r; |
| 935 | VAStatus status; |
| 936 | int major, minor; |
| 937 | int flags; |
| 938 | |
| 939 | r = calloc(1, sizeof *r); |
| 940 | if (!r) |
| 941 | return NULL; |
| 942 | |
| 943 | r->width = width; |
| 944 | r->height = height; |
Ander Conselvan de Oliveira | a62ef3e | 2013-09-06 17:49:38 +0300 | [diff] [blame^] | 945 | r->drm_fd = drm_fd; |
Ander Conselvan de Oliveira | 6aae4d3 | 2013-08-23 17:15:48 +0300 | [diff] [blame] | 946 | |
| 947 | flags = O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC; |
| 948 | r->output_fd = open(filename, flags, 0644); |
| 949 | |
Ander Conselvan de Oliveira | b85ded0 | 2013-09-06 17:49:37 +0300 | [diff] [blame] | 950 | if (setup_worker_thread(r) < 0) |
Ander Conselvan de Oliveira | 6aae4d3 | 2013-08-23 17:15:48 +0300 | [diff] [blame] | 951 | goto err_free; |
| 952 | |
Ander Conselvan de Oliveira | b85ded0 | 2013-09-06 17:49:37 +0300 | [diff] [blame] | 953 | if (r->output_fd < 0) |
| 954 | goto err_thread; |
| 955 | |
Ander Conselvan de Oliveira | 6aae4d3 | 2013-08-23 17:15:48 +0300 | [diff] [blame] | 956 | r->va_dpy = vaGetDisplayDRM(drm_fd); |
| 957 | if (!r->va_dpy) { |
| 958 | weston_log("failed to create VA display\n"); |
| 959 | goto err_fd; |
| 960 | } |
| 961 | |
| 962 | status = vaInitialize(r->va_dpy, &major, &minor); |
| 963 | if (status != VA_STATUS_SUCCESS) { |
| 964 | weston_log("vaapi: failed to initialize display\n"); |
| 965 | goto err_fd; |
| 966 | } |
| 967 | |
| 968 | if (setup_vpp(r) < 0) { |
| 969 | weston_log("vaapi: failed to initialize VPP pipeline\n"); |
| 970 | goto err_va_dpy; |
| 971 | } |
| 972 | |
| 973 | if (setup_encoder(r) < 0) { |
| 974 | goto err_vpp; |
| 975 | } |
| 976 | |
| 977 | return r; |
| 978 | |
| 979 | err_vpp: |
| 980 | vpp_destroy(r); |
| 981 | err_va_dpy: |
| 982 | vaTerminate(r->va_dpy); |
| 983 | err_fd: |
| 984 | close(r->output_fd); |
Ander Conselvan de Oliveira | b85ded0 | 2013-09-06 17:49:37 +0300 | [diff] [blame] | 985 | err_thread: |
| 986 | destroy_worker_thread(r); |
Ander Conselvan de Oliveira | 6aae4d3 | 2013-08-23 17:15:48 +0300 | [diff] [blame] | 987 | err_free: |
| 988 | free(r); |
| 989 | |
| 990 | return NULL; |
| 991 | } |
| 992 | |
| 993 | void |
| 994 | vaapi_recorder_destroy(struct vaapi_recorder *r) |
| 995 | { |
Ander Conselvan de Oliveira | b85ded0 | 2013-09-06 17:49:37 +0300 | [diff] [blame] | 996 | destroy_worker_thread(r); |
| 997 | |
Ander Conselvan de Oliveira | 6aae4d3 | 2013-08-23 17:15:48 +0300 | [diff] [blame] | 998 | encoder_destroy(r); |
| 999 | vpp_destroy(r); |
| 1000 | |
| 1001 | vaTerminate(r->va_dpy); |
| 1002 | |
| 1003 | close(r->output_fd); |
Ander Conselvan de Oliveira | a62ef3e | 2013-09-06 17:49:38 +0300 | [diff] [blame^] | 1004 | close(r->drm_fd); |
Ander Conselvan de Oliveira | 6aae4d3 | 2013-08-23 17:15:48 +0300 | [diff] [blame] | 1005 | |
| 1006 | free(r); |
| 1007 | } |
| 1008 | |
| 1009 | static VAStatus |
| 1010 | create_surface_from_fd(struct vaapi_recorder *r, int prime_fd, |
| 1011 | int stride, VASurfaceID *surface) |
| 1012 | { |
| 1013 | VASurfaceAttrib va_attribs[2]; |
| 1014 | VASurfaceAttribExternalBuffers va_attrib_extbuf; |
| 1015 | VAStatus status; |
| 1016 | |
| 1017 | unsigned long buffer_fd = prime_fd; |
| 1018 | |
| 1019 | va_attrib_extbuf.pixel_format = VA_FOURCC_BGRX; |
| 1020 | va_attrib_extbuf.width = r->width; |
| 1021 | va_attrib_extbuf.height = r->height; |
| 1022 | va_attrib_extbuf.data_size = r->height * stride; |
| 1023 | va_attrib_extbuf.num_planes = 1; |
| 1024 | va_attrib_extbuf.pitches[0] = stride; |
| 1025 | va_attrib_extbuf.offsets[0] = 0; |
| 1026 | va_attrib_extbuf.buffers = &buffer_fd; |
| 1027 | va_attrib_extbuf.num_buffers = 1; |
| 1028 | va_attrib_extbuf.flags = 0; |
| 1029 | va_attrib_extbuf.private_data = NULL; |
| 1030 | |
| 1031 | va_attribs[0].type = VASurfaceAttribMemoryType; |
| 1032 | va_attribs[0].flags = VA_SURFACE_ATTRIB_SETTABLE; |
| 1033 | va_attribs[0].value.type = VAGenericValueTypeInteger; |
| 1034 | va_attribs[0].value.value.i = VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME; |
| 1035 | |
| 1036 | va_attribs[1].type = VASurfaceAttribExternalBufferDescriptor; |
| 1037 | va_attribs[1].flags = VA_SURFACE_ATTRIB_SETTABLE; |
| 1038 | va_attribs[1].value.type = VAGenericValueTypePointer; |
| 1039 | va_attribs[1].value.value.p = &va_attrib_extbuf; |
| 1040 | |
| 1041 | status = vaCreateSurfaces(r->va_dpy, VA_RT_FORMAT_RGB32, |
| 1042 | r->width, r->height, surface, 1, |
| 1043 | va_attribs, 2); |
| 1044 | |
| 1045 | return status; |
| 1046 | } |
| 1047 | |
| 1048 | static VAStatus |
| 1049 | convert_rgb_to_yuv(struct vaapi_recorder *r, VASurfaceID rgb_surface) |
| 1050 | { |
| 1051 | VAProcPipelineParameterBuffer *pipeline_param; |
| 1052 | VAStatus status; |
| 1053 | |
| 1054 | status = vaMapBuffer(r->va_dpy, r->vpp.pipeline_buf, |
| 1055 | (void **) &pipeline_param); |
| 1056 | if (status != VA_STATUS_SUCCESS) |
| 1057 | return status; |
| 1058 | |
| 1059 | memset(pipeline_param, 0, sizeof *pipeline_param); |
| 1060 | |
| 1061 | pipeline_param->surface = rgb_surface; |
| 1062 | pipeline_param->surface_color_standard = VAProcColorStandardNone; |
| 1063 | |
| 1064 | pipeline_param->output_background_color = 0xff000000; |
| 1065 | pipeline_param->output_color_standard = VAProcColorStandardNone; |
| 1066 | |
| 1067 | status = vaUnmapBuffer(r->va_dpy, r->vpp.pipeline_buf); |
| 1068 | if (status != VA_STATUS_SUCCESS) |
| 1069 | return status; |
| 1070 | |
| 1071 | status = vaBeginPicture(r->va_dpy, r->vpp.ctx, r->vpp.output); |
| 1072 | if (status != VA_STATUS_SUCCESS) |
| 1073 | return status; |
| 1074 | |
| 1075 | status = vaRenderPicture(r->va_dpy, r->vpp.ctx, |
| 1076 | &r->vpp.pipeline_buf, 1); |
| 1077 | if (status != VA_STATUS_SUCCESS) |
| 1078 | return status; |
| 1079 | |
| 1080 | status = vaEndPicture(r->va_dpy, r->vpp.ctx); |
| 1081 | if (status != VA_STATUS_SUCCESS) |
| 1082 | return status; |
| 1083 | |
| 1084 | return status; |
| 1085 | } |
| 1086 | |
Ander Conselvan de Oliveira | b85ded0 | 2013-09-06 17:49:37 +0300 | [diff] [blame] | 1087 | static void |
| 1088 | recorder_frame(struct vaapi_recorder *r) |
Ander Conselvan de Oliveira | 6aae4d3 | 2013-08-23 17:15:48 +0300 | [diff] [blame] | 1089 | { |
| 1090 | VASurfaceID rgb_surface; |
| 1091 | VAStatus status; |
| 1092 | |
Ander Conselvan de Oliveira | b85ded0 | 2013-09-06 17:49:37 +0300 | [diff] [blame] | 1093 | status = create_surface_from_fd(r, r->input.prime_fd, |
| 1094 | r->input.stride, &rgb_surface); |
Ander Conselvan de Oliveira | 6aae4d3 | 2013-08-23 17:15:48 +0300 | [diff] [blame] | 1095 | if (status != VA_STATUS_SUCCESS) { |
| 1096 | weston_log("[libva recorder] " |
| 1097 | "failed to create surface from bo\n"); |
| 1098 | return; |
| 1099 | } |
| 1100 | |
Ander Conselvan de Oliveira | b85ded0 | 2013-09-06 17:49:37 +0300 | [diff] [blame] | 1101 | close(r->input.prime_fd); |
| 1102 | |
Ander Conselvan de Oliveira | 6aae4d3 | 2013-08-23 17:15:48 +0300 | [diff] [blame] | 1103 | status = convert_rgb_to_yuv(r, rgb_surface); |
| 1104 | if (status != VA_STATUS_SUCCESS) { |
| 1105 | weston_log("[libva recorder] " |
| 1106 | "color space conversion failed\n"); |
| 1107 | return; |
| 1108 | } |
| 1109 | |
| 1110 | encoder_encode(r, r->vpp.output); |
| 1111 | |
| 1112 | vaDestroySurfaces(r->va_dpy, &rgb_surface, 1); |
| 1113 | } |
| 1114 | |
Ander Conselvan de Oliveira | b85ded0 | 2013-09-06 17:49:37 +0300 | [diff] [blame] | 1115 | static void * |
| 1116 | worker_thread_function(void *data) |
| 1117 | { |
| 1118 | struct vaapi_recorder *r = data; |
Ander Conselvan de Oliveira | 6aae4d3 | 2013-08-23 17:15:48 +0300 | [diff] [blame] | 1119 | |
Ander Conselvan de Oliveira | b85ded0 | 2013-09-06 17:49:37 +0300 | [diff] [blame] | 1120 | pthread_mutex_lock(&r->mutex); |
| 1121 | |
| 1122 | while (!r->destroying) { |
| 1123 | if (!r->input.valid) |
| 1124 | pthread_cond_wait(&r->input_cond, &r->mutex); |
| 1125 | |
| 1126 | /* If the thread is awaken by destroy_worker_thread(), |
| 1127 | * there might not be valid input */ |
| 1128 | if (!r->input.valid) |
| 1129 | continue; |
| 1130 | |
| 1131 | recorder_frame(r); |
| 1132 | r->input.valid = 0; |
| 1133 | } |
| 1134 | |
| 1135 | pthread_mutex_unlock(&r->mutex); |
| 1136 | |
| 1137 | return NULL; |
| 1138 | } |
| 1139 | |
| 1140 | void |
| 1141 | vaapi_recorder_frame(struct vaapi_recorder *r, int prime_fd, int stride) |
| 1142 | { |
| 1143 | pthread_mutex_lock(&r->mutex); |
| 1144 | |
| 1145 | /* The mutex is never released while encoding, so this point should |
| 1146 | * never be reached if input.valid is true. */ |
| 1147 | assert(!r->input.valid); |
| 1148 | |
| 1149 | r->input.prime_fd = prime_fd; |
| 1150 | r->input.stride = stride; |
| 1151 | r->input.valid = 1; |
| 1152 | pthread_cond_signal(&r->input_cond); |
| 1153 | |
| 1154 | pthread_mutex_unlock(&r->mutex); |
| 1155 | } |