vp8/decoder/onyxd_if.c

   1 /*
   2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
   3  *
   4  *  Use of this source code is governed by a BSD-style license
   5  *  that can be found in the LICENSE file in the root of the source
   6  *  tree. An additional intellectual property rights grant can be found
   7  *  in the file PATENTS.  All contributing project authors may
   8  *  be found in the AUTHORS file in the root of the source tree.
   9  */
  10
  11
  12 #include "vp8/common/onyxc_int.h"
  13 #if CONFIG_POSTPROC
  14 #include "vp8/common/postproc.h"
  15 #endif
  16 #include "vp8/common/onyxd.h"
  17 #include "onyxd_int.h"
  18 #include "vpx_mem/vpx_mem.h"
  19 #include "vp8/common/alloccommon.h"
  20 #include "vpx_scale/yv12extend.h"
  21 #include "vp8/common/loopfilter.h"
  22 #include "vp8/common/swapyv12buffer.h"
  23 #include "vp8/common/g_common.h"
  24 #include "vp8/common/threading.h"
  25 #include "decoderthreading.h"
  26 #include <stdio.h>
  27
  28 #include "vp8/common/quant_common.h"
  29 #include "vpx_scale/vpxscale.h"
  30 #include "vp8/common/systemdependent.h"
  31 #include "vpx_ports/vpx_timer.h"
  32 #include "detokenize.h"
  33 #if ARCH_ARM
  34 #include "vpx_ports/arm.h"
  35 #endif
  36
  37 extern void vp8_init_loop_filter(VP8_COMMON *cm);
  38 extern void vp8cx_init_de_quantizer(VP8D_COMP *pbi);
  39
  40
  41 void vp8dx_initialize()
  42 {
  43     static int init_done = 0;
  44
  45     if (!init_done)
  46     {
  47         vp8_initialize_common();
  48         vp8_scale_machine_specific_config();
  49         init_done = 1;
  50     }
  51 }
  52
  53
  54 VP8D_PTR vp8dx_create_decompressor(VP8D_CONFIG *oxcf)
  55 {
  56     VP8D_COMP *pbi = vpx_memalign(32, sizeof(VP8D_COMP));
  57
  58     if (!pbi)
  59         return NULL;
  60
  61     vpx_memset(pbi, 0, sizeof(VP8D_COMP));
  62
  63     if (setjmp(pbi->common.error.jmp))
  64     {
  65         pbi->common.error.setjmp = 0;
  66         vp8dx_remove_decompressor(pbi);
  67         return 0;
  68     }
  69
  70     pbi->common.error.setjmp = 1;
  71     vp8dx_initialize();
  72
  73     vp8_create_common(&pbi->common);
  74     vp8_dmachine_specific_config(pbi);
  75
  76     pbi->common.current_video_frame = 0;
  77     pbi->ready_for_new_data = 1;
  78
  79     pbi->CPUFreq = 0; /*vp8_get_processor_freq();*/
  80 #if CONFIG_MULTITHREAD
  81     pbi->max_threads = oxcf->max_threads;
  82     vp8_decoder_create_threads(pbi);
  83 #endif
  84
  85     /* vp8cx_init_de_quantizer() is first called here. Add check in frame_init_dequantizer() to avoid
  86      *  unnecessary calling of vp8cx_init_de_quantizer() for every frame.
  87      */
  88     vp8cx_init_de_quantizer(pbi);
  89
  90     {
  91         VP8_COMMON *cm = &pbi->common;
  92
  93         vp8_init_loop_filter(cm);
  94         cm->last_frame_type = KEY_FRAME;
  95         cm->last_filter_type = cm->filter_type;
  96         cm->last_sharpness_level = cm->sharpness_level;
  97     }
  98
  99     pbi->common.error.setjmp = 0;
 100     return (VP8D_PTR) pbi;
 101 }
 102
 103
 104 void vp8dx_remove_decompressor(VP8D_PTR ptr)
 105 {
 106     VP8D_COMP *pbi = (VP8D_COMP *) ptr;
 107
 108     if (!pbi)
 109         return;
 110
 111 #if CONFIG_MULTITHREAD
 112     if (pbi->b_multithreaded_rd)
 113         vp8mt_de_alloc_temp_buffers(pbi, pbi->common.mb_rows);
 114     vp8_decoder_remove_threads(pbi);
 115 #endif
 116     vp8_remove_common(&pbi->common);
 117     vpx_free(pbi);
 118 }
 119
 120
 121 int vp8dx_get_reference(VP8D_PTR ptr, VP8_REFFRAME ref_frame_flag, YV12_BUFFER_CONFIG *sd)
 122 {
 123     VP8D_COMP *pbi = (VP8D_COMP *) ptr;
 124     VP8_COMMON *cm = &pbi->common;
 125     int ref_fb_idx;
 126
 127     if (ref_frame_flag == VP8_LAST_FLAG)
 128         ref_fb_idx = cm->lst_fb_idx;
 129     else if (ref_frame_flag == VP8_GOLD_FLAG)
 130         ref_fb_idx = cm->gld_fb_idx;
 131     else if (ref_frame_flag == VP8_ALT_FLAG)
 132         ref_fb_idx = cm->alt_fb_idx;
 133     else
 134         return -1;
 135
 136     vp8_yv12_copy_frame_ptr(&cm->yv12_fb[ref_fb_idx], sd);
 137
 138     return 0;
 139 }
 140
 141
 142 int vp8dx_set_reference(VP8D_PTR ptr, VP8_REFFRAME ref_frame_flag, YV12_BUFFER_CONFIG *sd)
 143 {
 144     VP8D_COMP *pbi = (VP8D_COMP *) ptr;
 145     VP8_COMMON *cm = &pbi->common;
 146     int ref_fb_idx;
 147
 148     if (ref_frame_flag == VP8_LAST_FLAG)
 149         ref_fb_idx = cm->lst_fb_idx;
 150     else if (ref_frame_flag == VP8_GOLD_FLAG)
 151         ref_fb_idx = cm->gld_fb_idx;
 152     else if (ref_frame_flag == VP8_ALT_FLAG)
 153         ref_fb_idx = cm->alt_fb_idx;
 154     else
 155         return -1;
 156
 157     vp8_yv12_copy_frame_ptr(sd, &cm->yv12_fb[ref_fb_idx]);
 158
 159     return 0;
 160 }
 161
 162 /*For ARM NEON, d8-d15 are callee-saved registers, and need to be saved by us.*/
 163 #if HAVE_ARMV7
 164 extern void vp8_push_neon(INT64 *store);
 165 extern void vp8_pop_neon(INT64 *store);
 166 #endif
 167
 168 static int get_free_fb (VP8_COMMON *cm)
 169 {
 170     int i;
 171     for (i = 0; i < NUM_YV12_BUFFERS; i++)
 172         if (cm->fb_idx_ref_cnt[i] == 0)
 173             break;
 174
 175     cm->fb_idx_ref_cnt[i] = 1;
 176     return i;
 177 }
 178
 179 static void ref_cnt_fb (int *buf, int *idx, int new_idx)
 180 {
 181     if (buf[*idx] > 0)
 182         buf[*idx]--;
 183
 184     *idx = new_idx;
 185
 186     buf[new_idx]++;
 187 }
 188
 189 /* If any buffer copy / swapping is signalled it should be done here. */
 190 static int swap_frame_buffers (VP8_COMMON *cm)
 191 {
 192     int err = 0;
 193
 194     /* The alternate reference frame or golden frame can be updated
 195      *  using the new, last, or golden/alt ref frame.  If it
 196      *  is updated using the newly decoded frame it is a refresh.
 197      *  An update using the last or golden/alt ref frame is a copy.
 198      */
 199     if (cm->copy_buffer_to_arf)
 200     {
 201         int new_fb = 0;
 202
 203         if (cm->copy_buffer_to_arf == 1)
 204             new_fb = cm->lst_fb_idx;
 205         else if (cm->copy_buffer_to_arf == 2)
 206             new_fb = cm->gld_fb_idx;
 207         else
 208             err = -1;
 209
 210         ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->alt_fb_idx, new_fb);
 211     }
 212
 213     if (cm->copy_buffer_to_gf)
 214     {
 215         int new_fb = 0;
 216
 217         if (cm->copy_buffer_to_gf == 1)
 218             new_fb = cm->lst_fb_idx;
 219         else if (cm->copy_buffer_to_gf == 2)
 220             new_fb = cm->alt_fb_idx;
 221         else
 222             err = -1;
 223
 224         ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->gld_fb_idx, new_fb);
 225     }
 226
 227     if (cm->refresh_golden_frame)
 228         ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->gld_fb_idx, cm->new_fb_idx);
 229
 230     if (cm->refresh_alt_ref_frame)
 231         ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->alt_fb_idx, cm->new_fb_idx);
 232
 233     if (cm->refresh_last_frame)
 234     {
 235         ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->lst_fb_idx, cm->new_fb_idx);
 236
 237         cm->frame_to_show = &cm->yv12_fb[cm->lst_fb_idx];
 238     }
 239     else
 240         cm->frame_to_show = &cm->yv12_fb[cm->new_fb_idx];
 241
 242     cm->fb_idx_ref_cnt[cm->new_fb_idx]--;
 243
 244     return err;
 245 }
 246
 247 int vp8dx_receive_compressed_data(VP8D_PTR ptr, unsigned long size, const unsigned char *source, INT64 time_stamp)
 248 {
 249 #if HAVE_ARMV7
 250     INT64 dx_store_reg[8];
 251 #endif
 252     VP8D_COMP *pbi = (VP8D_COMP *) ptr;
 253     VP8_COMMON *cm = &pbi->common;
 254     int retcode = 0;
 255     struct vpx_usec_timer timer;
 256
 257     /*if(pbi->ready_for_new_data == 0)
 258         return -1;*/
 259
 260     if (ptr == 0)
 261     {
 262         return -1;
 263     }
 264
 265     pbi->common.error.error_code = VPX_CODEC_OK;
 266
 267     if (size == 0)
 268     {
 269        /* This is used to signal that we are missing frames.
 270         * We do not know if the missing frame(s) was supposed to update
 271         * any of the reference buffers, but we act conservative and
 272         * mark only the last buffer as corrupted.
 273         */
 274         cm->yv12_fb[cm->lst_fb_idx].corrupted = 1;
 275
 276         /* Signal that we have no frame to show. */
 277         cm->show_frame = 0;
 278
 279         /* Nothing more to do. */
 280         return 0;
 281     }
 282
 283
 284 #if HAVE_ARMV7
 285 #if CONFIG_RUNTIME_CPU_DETECT
 286     if (cm->rtcd.flags & HAS_NEON)
 287 #endif
 288     {
 289         vp8_push_neon(dx_store_reg);
 290     }
 291 #endif
 292
 293     cm->new_fb_idx = get_free_fb (cm);
 294
 295     if (setjmp(pbi->common.error.jmp))
 296     {
 297 #if HAVE_ARMV7
 298 #if CONFIG_RUNTIME_CPU_DETECT
 299         if (cm->rtcd.flags & HAS_NEON)
 300 #endif
 301         {
 302             vp8_pop_neon(dx_store_reg);
 303         }
 304 #endif
 305         pbi->common.error.setjmp = 0;
 306
 307        /* We do not know if the missing frame(s) was supposed to update
 308         * any of the reference buffers, but we act conservative and
 309         * mark only the last buffer as corrupted.
 310         */
 311         cm->yv12_fb[cm->lst_fb_idx].corrupted = 1;
 312
 313         if (cm->fb_idx_ref_cnt[cm->new_fb_idx] > 0)
 314           cm->fb_idx_ref_cnt[cm->new_fb_idx]--;
 315         return -1;
 316     }
 317
 318     pbi->common.error.setjmp = 1;
 319
 320     vpx_usec_timer_start(&timer);
 321
 322     /*cm->current_video_frame++;*/
 323     pbi->Source = source;
 324     pbi->source_sz = size;
 325
 326     retcode = vp8_decode_frame(pbi);
 327
 328     if (retcode < 0)
 329     {
 330 #if HAVE_ARMV7
 331 #if CONFIG_RUNTIME_CPU_DETECT
 332         if (cm->rtcd.flags & HAS_NEON)
 333 #endif
 334         {
 335             vp8_pop_neon(dx_store_reg);
 336         }
 337 #endif
 338         pbi->common.error.error_code = VPX_CODEC_ERROR;
 339         pbi->common.error.setjmp = 0;
 340         if (cm->fb_idx_ref_cnt[cm->new_fb_idx] > 0)
 341           cm->fb_idx_ref_cnt[cm->new_fb_idx]--;
 342         return retcode;
 343     }
 344
 345 #if CONFIG_MULTITHREAD
 346     if (pbi->b_multithreaded_rd && cm->multi_token_partition != ONE_PARTITION)
 347     {
 348         if (swap_frame_buffers (cm))
 349         {
 350 #if HAVE_ARMV7
 351 #if CONFIG_RUNTIME_CPU_DETECT
 352             if (cm->rtcd.flags & HAS_NEON)
 353 #endif
 354             {
 355                 vp8_pop_neon(dx_store_reg);
 356             }
 357 #endif
 358             pbi->common.error.error_code = VPX_CODEC_ERROR;
 359             pbi->common.error.setjmp = 0;
 360             return -1;
 361         }
 362     } else
 363 #endif
 364     {
 365         if (swap_frame_buffers (cm))
 366         {
 367 #if HAVE_ARMV7
 368 #if CONFIG_RUNTIME_CPU_DETECT
 369             if (cm->rtcd.flags & HAS_NEON)
 370 #endif
 371             {
 372                 vp8_pop_neon(dx_store_reg);
 373             }
 374 #endif
 375             pbi->common.error.error_code = VPX_CODEC_ERROR;
 376             pbi->common.error.setjmp = 0;
 377             return -1;
 378         }
 379
 380         if(pbi->common.filter_level)
 381         {
 382             struct vpx_usec_timer lpftimer;
 383             vpx_usec_timer_start(&lpftimer);
 384             /* Apply the loop filter if appropriate. */
 385
 386             vp8_loop_filter_frame(cm, &pbi->mb, cm->filter_level);
 387
 388             vpx_usec_timer_mark(&lpftimer);
 389             pbi->time_loop_filtering += vpx_usec_timer_elapsed(&lpftimer);
 390
 391             cm->last_frame_type = cm->frame_type;
 392             cm->last_filter_type = cm->filter_type;
 393             cm->last_sharpness_level = cm->sharpness_level;
 394         }
 395         vp8_yv12_extend_frame_borders_ptr(cm->frame_to_show);
 396     }
 397
 398
 399     vp8_clear_system_state();
 400
 401     vpx_usec_timer_mark(&timer);
 402     pbi->decode_microseconds = vpx_usec_timer_elapsed(&timer);
 403
 404     pbi->time_decoding += pbi->decode_microseconds;
 405
 406     /*vp8_print_modes_and_motion_vectors( cm->mi, cm->mb_rows,cm->mb_cols, cm->current_video_frame);*/
 407
 408     if (cm->show_frame)
 409         cm->current_video_frame++;
 410
 411     pbi->ready_for_new_data = 0;
 412     pbi->last_time_stamp = time_stamp;
 413
 414 #if 0
 415     {
 416         int i;
 417         INT64 earliest_time = pbi->dr[0].time_stamp;
 418         INT64 latest_time = pbi->dr[0].time_stamp;
 419         INT64 time_diff = 0;
 420         int bytes = 0;
 421
 422         pbi->dr[pbi->common.current_video_frame&0xf].size = pbi->bc.pos + pbi->bc2.pos + 4;;
 423         pbi->dr[pbi->common.current_video_frame&0xf].time_stamp = time_stamp;
 424
 425         for (i = 0; i < 16; i++)
 426         {
 427
 428             bytes += pbi->dr[i].size;
 429
 430             if (pbi->dr[i].time_stamp < earliest_time)
 431                 earliest_time = pbi->dr[i].time_stamp;
 432
 433             if (pbi->dr[i].time_stamp > latest_time)
 434                 latest_time = pbi->dr[i].time_stamp;
 435         }
 436
 437         time_diff = latest_time - earliest_time;
 438
 439         if (time_diff > 0)
 440         {
 441             pbi->common.bitrate = 80000.00 * bytes / time_diff  ;
 442             pbi->common.framerate = 160000000.00 / time_diff ;
 443         }
 444
 445     }
 446 #endif
 447
 448 #if HAVE_ARMV7
 449 #if CONFIG_RUNTIME_CPU_DETECT
 450     if (cm->rtcd.flags & HAS_NEON)
 451 #endif
 452     {
 453         vp8_pop_neon(dx_store_reg);
 454     }
 455 #endif
 456     pbi->common.error.setjmp = 0;
 457     return retcode;
 458 }
 459 int vp8dx_get_raw_frame(VP8D_PTR ptr, YV12_BUFFER_CONFIG *sd, INT64 *time_stamp, INT64 *time_end_stamp, vp8_ppflags_t *flags)
 460 {
 461     int ret = -1;
 462     VP8D_COMP *pbi = (VP8D_COMP *) ptr;
 463
 464     if (pbi->ready_for_new_data == 1)
 465         return ret;
 466
 467     /* ie no raw frame to show!!! */
 468     if (pbi->common.show_frame == 0)
 469         return ret;
 470
 471     pbi->ready_for_new_data = 1;
 472     *time_stamp = pbi->last_time_stamp;
 473     *time_end_stamp = 0;
 474
 475     sd->clrtype = pbi->common.clr_type;
 476 #if CONFIG_POSTPROC
 477     ret = vp8_post_proc_frame(&pbi->common, sd, flags);
 478 #else
 479
 480     if (pbi->common.frame_to_show)
 481     {
 482         *sd = *pbi->common.frame_to_show;
 483         sd->y_width = pbi->common.Width;
 484         sd->y_height = pbi->common.Height;
 485         sd->uv_height = pbi->common.Height / 2;
 486         ret = 0;
 487     }
 488     else
 489     {
 490         ret = -1;
 491     }
 492
 493 #endif /*!CONFIG_POSTPROC*/
 494     vp8_clear_system_state();
 495     return ret;
 496 }