tools_common.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 #include <math.h>
  12 #include <stdarg.h>
  13 #include <stdio.h>
  14 #include <stdlib.h>
  15 #include <string.h>
  16
  17 #include "./tools_common.h"
  18
  19 #if CONFIG_VP8_ENCODER || CONFIG_VP9_ENCODER
  20 #include "vpx/vp8cx.h"
  21 #endif
  22
  23 #if CONFIG_VP8_DECODER || CONFIG_VP9_DECODER
  24 #include "vpx/vp8dx.h"
  25 #endif
  26
  27 #if defined(_WIN32) || defined(__OS2__)
  28 #include <io.h>
  29 #include <fcntl.h>
  30
  31 #ifdef __OS2__
  32 #define _setmode    setmode
  33 #define _fileno     fileno
  34 #define _O_BINARY   O_BINARY
  35 #endif
  36 #endif
  37
  38 #define LOG_ERROR(label) do {\
  39   const char *l = label;\
  40   va_list ap;\
  41   va_start(ap, fmt);\
  42   if (l)\
  43     fprintf(stderr, "%s: ", l);\
  44   vfprintf(stderr, fmt, ap);\
  45   fprintf(stderr, "\n");\
  46   va_end(ap);\
  47 } while (0)
  48
  49
  50 FILE *set_binary_mode(FILE *stream) {
  51   (void)stream;
  52 #if defined(_WIN32) || defined(__OS2__)
  53   _setmode(_fileno(stream), _O_BINARY);
  54 #endif
  55   return stream;
  56 }
  57
  58 void die(const char *fmt, ...) {
  59   LOG_ERROR(NULL);
  60   usage_exit();
  61 }
  62
  63 void fatal(const char *fmt, ...) {
  64   LOG_ERROR("Fatal");
  65   exit(EXIT_FAILURE);
  66 }
  67
  68 void warn(const char *fmt, ...) {
  69   LOG_ERROR("Warning");
  70 }
  71
  72 void die_codec(vpx_codec_ctx_t *ctx, const char *s) {
  73   const char *detail = vpx_codec_error_detail(ctx);
  74
  75   printf("%s: %s\n", s, vpx_codec_error(ctx));
  76   if (detail)
  77     printf("    %s\n", detail);
  78   exit(EXIT_FAILURE);
  79 }
  80
  81 int read_yuv_frame(struct VpxInputContext *input_ctx, vpx_image_t *yuv_frame) {
  82   FILE *f = input_ctx->file;
  83   struct FileTypeDetectionBuffer *detect = &input_ctx->detect;
  84   int plane = 0;
  85   int shortread = 0;
  86   const int bytespp = (yuv_frame->fmt & VPX_IMG_FMT_HIGHBITDEPTH) ? 2 : 1;
  87
  88   for (plane = 0; plane < 3; ++plane) {
  89     uint8_t *ptr;
  90     const int w = vpx_img_plane_width(yuv_frame, plane);
  91     const int h = vpx_img_plane_height(yuv_frame, plane);
  92     int r;
  93
  94     /* Determine the correct plane based on the image format. The for-loop
  95      * always counts in Y,U,V order, but this may not match the order of
  96      * the data on disk.
  97      */
  98     switch (plane) {
  99       case 1:
 100         ptr = yuv_frame->planes[
 101             yuv_frame->fmt == VPX_IMG_FMT_YV12 ? VPX_PLANE_V : VPX_PLANE_U];
 102         break;
 103       case 2:
 104         ptr = yuv_frame->planes[
 105             yuv_frame->fmt == VPX_IMG_FMT_YV12 ? VPX_PLANE_U : VPX_PLANE_V];
 106         break;
 107       default:
 108         ptr = yuv_frame->planes[plane];
 109     }
 110
 111     for (r = 0; r < h; ++r) {
 112       size_t needed = w * bytespp;
 113       size_t buf_position = 0;
 114       const size_t left = detect->buf_read - detect->position;
 115       if (left > 0) {
 116         const size_t more = (left < needed) ? left : needed;
 117         memcpy(ptr, detect->buf + detect->position, more);
 118         buf_position = more;
 119         needed -= more;
 120         detect->position += more;
 121       }
 122       if (needed > 0) {
 123         shortread |= (fread(ptr + buf_position, 1, needed, f) < needed);
 124       }
 125
 126       ptr += yuv_frame->stride[plane];
 127     }
 128   }
 129
 130   return shortread;
 131 }
 132
 133 static const VpxInterface vpx_encoders[] = {
 134 #if CONFIG_VP8_ENCODER
 135   {"vp8", VP8_FOURCC, &vpx_codec_vp8_cx},
 136 #endif
 137
 138 #if CONFIG_VP9_ENCODER
 139   {"vp9", VP9_FOURCC, &vpx_codec_vp9_cx},
 140 #endif
 141 };
 142
 143 int get_vpx_encoder_count(void) {
 144   return sizeof(vpx_encoders) / sizeof(vpx_encoders[0]);
 145 }
 146
 147 const VpxInterface *get_vpx_encoder_by_index(int i) {
 148   return &vpx_encoders[i];
 149 }
 150
 151 const VpxInterface *get_vpx_encoder_by_name(const char *name) {
 152   int i;
 153
 154   for (i = 0; i < get_vpx_encoder_count(); ++i) {
 155     const VpxInterface *encoder = get_vpx_encoder_by_index(i);
 156     if (strcmp(encoder->name, name) == 0)
 157       return encoder;
 158   }
 159
 160   return NULL;
 161 }
 162
 163 static const VpxInterface vpx_decoders[] = {
 164 #if CONFIG_VP8_DECODER
 165   {"vp8", VP8_FOURCC, &vpx_codec_vp8_dx},
 166 #endif
 167
 168 #if CONFIG_VP9_DECODER
 169   {"vp9", VP9_FOURCC, &vpx_codec_vp9_dx},
 170 #endif
 171 };
 172
 173 int get_vpx_decoder_count(void) {
 174   return sizeof(vpx_decoders) / sizeof(vpx_decoders[0]);
 175 }
 176
 177 const VpxInterface *get_vpx_decoder_by_index(int i) {
 178   return &vpx_decoders[i];
 179 }
 180
 181 const VpxInterface *get_vpx_decoder_by_name(const char *name) {
 182   int i;
 183
 184   for (i = 0; i < get_vpx_decoder_count(); ++i) {
 185      const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
 186      if (strcmp(decoder->name, name) == 0)
 187        return decoder;
 188   }
 189
 190   return NULL;
 191 }
 192
 193 const VpxInterface *get_vpx_decoder_by_fourcc(uint32_t fourcc) {
 194   int i;
 195
 196   for (i = 0; i < get_vpx_decoder_count(); ++i) {
 197     const VpxInterface *const decoder = get_vpx_decoder_by_index(i);
 198     if (decoder->fourcc == fourcc)
 199       return decoder;
 200   }
 201
 202   return NULL;
 203 }
 204
 205 // TODO(dkovalev): move this function to vpx_image.{c, h}, so it will be part
 206 // of vpx_image_t support
 207 int vpx_img_plane_width(const vpx_image_t *img, int plane) {
 208   if (plane > 0 && img->x_chroma_shift > 0)
 209     return (img->d_w + 1) >> img->x_chroma_shift;
 210   else
 211     return img->d_w;
 212 }
 213
 214 int vpx_img_plane_height(const vpx_image_t *img, int plane) {
 215   if (plane > 0 &&  img->y_chroma_shift > 0)
 216     return (img->d_h + 1) >> img->y_chroma_shift;
 217   else
 218     return img->d_h;
 219 }
 220
 221 void vpx_img_write(const vpx_image_t *img, FILE *file) {
 222   int plane;
 223
 224   for (plane = 0; plane < 3; ++plane) {
 225     const unsigned char *buf = img->planes[plane];
 226     const int stride = img->stride[plane];
 227     const int w = vpx_img_plane_width(img, plane) *
 228         ((img->fmt & VPX_IMG_FMT_HIGHBITDEPTH) ? 2 : 1);
 229     const int h = vpx_img_plane_height(img, plane);
 230     int y;
 231
 232     for (y = 0; y < h; ++y) {
 233       fwrite(buf, 1, w, file);
 234       buf += stride;
 235     }
 236   }
 237 }
 238
 239 int vpx_img_read(vpx_image_t *img, FILE *file) {
 240   int plane;
 241
 242   for (plane = 0; plane < 3; ++plane) {
 243     unsigned char *buf = img->planes[plane];
 244     const int stride = img->stride[plane];
 245     const int w = vpx_img_plane_width(img, plane) *
 246         ((img->fmt & VPX_IMG_FMT_HIGHBITDEPTH) ? 2 : 1);
 247     const int h = vpx_img_plane_height(img, plane);
 248     int y;
 249
 250     for (y = 0; y < h; ++y) {
 251       if (fread(buf, 1, w, file) != (size_t)w)
 252         return 0;
 253       buf += stride;
 254     }
 255   }
 256
 257   return 1;
 258 }
 259
 260 // TODO(dkovalev) change sse_to_psnr signature: double -> int64_t
 261 double sse_to_psnr(double samples, double peak, double sse) {
 262   static const double kMaxPSNR = 100.0;
 263
 264   if (sse > 0.0) {
 265     const double psnr = 10.0 * log10(samples * peak * peak / sse);
 266     return psnr > kMaxPSNR ? kMaxPSNR : psnr;
 267   } else {
 268     return kMaxPSNR;
 269   }
 270 }
 271
 272 // TODO(debargha): Consolidate the functions below into a separate file.
 273 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
 274 static void highbd_img_upshift(vpx_image_t *dst, vpx_image_t *src,
 275                                int input_shift) {
 276   // Note the offset is 1 less than half.
 277   const int offset = input_shift > 0 ? (1 << (input_shift - 1)) - 1 : 0;
 278   int plane;
 279   if (dst->d_w != src->d_w || dst->d_h != src->d_h ||
 280       dst->x_chroma_shift != src->x_chroma_shift ||
 281       dst->y_chroma_shift != src->y_chroma_shift ||
 282       dst->fmt != src->fmt || input_shift < 0) {
 283     fatal("Unsupported image conversion");
 284   }
 285   switch (src->fmt) {
 286     case VPX_IMG_FMT_I42016:
 287     case VPX_IMG_FMT_I42216:
 288     case VPX_IMG_FMT_I44416:
 289     case VPX_IMG_FMT_I44016:
 290       break;
 291     default:
 292       fatal("Unsupported image conversion");
 293       break;
 294   }
 295   for (plane = 0; plane < 3; plane++) {
 296     int w = src->d_w;
 297     int h = src->d_h;
 298     int x, y;
 299     if (plane) {
 300       w = (w + src->x_chroma_shift) >> src->x_chroma_shift;
 301       h = (h + src->y_chroma_shift) >> src->y_chroma_shift;
 302     }
 303     for (y = 0; y < h; y++) {
 304       uint16_t *p_src =
 305           (uint16_t *)(src->planes[plane] + y * src->stride[plane]);
 306       uint16_t *p_dst =
 307           (uint16_t *)(dst->planes[plane] + y * dst->stride[plane]);
 308       for (x = 0; x < w; x++)
 309         *p_dst++ = (*p_src++ << input_shift) + offset;
 310     }
 311   }
 312 }
 313
 314 static void lowbd_img_upshift(vpx_image_t *dst, vpx_image_t *src,
 315                               int input_shift) {
 316   // Note the offset is 1 less than half.
 317   const int offset = input_shift > 0 ? (1 << (input_shift - 1)) - 1 : 0;
 318   int plane;
 319   if (dst->d_w != src->d_w || dst->d_h != src->d_h ||
 320       dst->x_chroma_shift != src->x_chroma_shift ||
 321       dst->y_chroma_shift != src->y_chroma_shift ||
 322       dst->fmt != src->fmt + VPX_IMG_FMT_HIGHBITDEPTH ||
 323       input_shift < 0) {
 324     fatal("Unsupported image conversion");
 325   }
 326   switch (src->fmt) {
 327     case VPX_IMG_FMT_I420:
 328     case VPX_IMG_FMT_I422:
 329     case VPX_IMG_FMT_I444:
 330     case VPX_IMG_FMT_I440:
 331       break;
 332     default:
 333       fatal("Unsupported image conversion");
 334       break;
 335   }
 336   for (plane = 0; plane < 3; plane++) {
 337     int w = src->d_w;
 338     int h = src->d_h;
 339     int x, y;
 340     if (plane) {
 341       w = (w + src->x_chroma_shift) >> src->x_chroma_shift;
 342       h = (h + src->y_chroma_shift) >> src->y_chroma_shift;
 343     }
 344     for (y = 0; y < h; y++) {
 345       uint8_t *p_src = src->planes[plane] + y * src->stride[plane];
 346       uint16_t *p_dst =
 347           (uint16_t *)(dst->planes[plane] + y * dst->stride[plane]);
 348       for (x = 0; x < w; x++) {
 349         *p_dst++ = (*p_src++ << input_shift) + offset;
 350       }
 351     }
 352   }
 353 }
 354
 355 void vpx_img_upshift(vpx_image_t *dst, vpx_image_t *src,
 356                      int input_shift) {
 357   if (src->fmt & VPX_IMG_FMT_HIGHBITDEPTH) {
 358     highbd_img_upshift(dst, src, input_shift);
 359   } else {
 360     lowbd_img_upshift(dst, src, input_shift);
 361   }
 362 }
 363
 364 void vpx_img_truncate_16_to_8(vpx_image_t *dst, vpx_image_t *src) {
 365   int plane;
 366   if (dst->fmt + VPX_IMG_FMT_HIGHBITDEPTH != src->fmt ||
 367       dst->d_w != src->d_w || dst->d_h != src->d_h ||
 368       dst->x_chroma_shift != src->x_chroma_shift ||
 369       dst->y_chroma_shift != src->y_chroma_shift) {
 370     fatal("Unsupported image conversion");
 371   }
 372   switch (dst->fmt) {
 373     case VPX_IMG_FMT_I420:
 374     case VPX_IMG_FMT_I422:
 375     case VPX_IMG_FMT_I444:
 376     case VPX_IMG_FMT_I440:
 377       break;
 378     default:
 379       fatal("Unsupported image conversion");
 380       break;
 381   }
 382   for (plane = 0; plane < 3; plane++) {
 383     int w = src->d_w;
 384     int h = src->d_h;
 385     int x, y;
 386     if (plane) {
 387       w = (w + src->x_chroma_shift) >> src->x_chroma_shift;
 388       h = (h + src->y_chroma_shift) >> src->y_chroma_shift;
 389     }
 390     for (y = 0; y < h; y++) {
 391       uint16_t *p_src =
 392           (uint16_t *)(src->planes[plane] + y * src->stride[plane]);
 393       uint8_t *p_dst = dst->planes[plane] + y * dst->stride[plane];
 394       for (x = 0; x < w; x++) {
 395         *p_dst++ = (uint8_t)(*p_src++);
 396       }
 397     }
 398   }
 399 }
 400
 401 static void highbd_img_downshift(vpx_image_t *dst, vpx_image_t *src,
 402                                  int down_shift) {
 403   int plane;
 404   if (dst->d_w != src->d_w || dst->d_h != src->d_h ||
 405       dst->x_chroma_shift != src->x_chroma_shift ||
 406       dst->y_chroma_shift != src->y_chroma_shift ||
 407       dst->fmt != src->fmt || down_shift < 0) {
 408     fatal("Unsupported image conversion");
 409   }
 410   switch (src->fmt) {
 411     case VPX_IMG_FMT_I42016:
 412     case VPX_IMG_FMT_I42216:
 413     case VPX_IMG_FMT_I44416:
 414     case VPX_IMG_FMT_I44016:
 415       break;
 416     default:
 417       fatal("Unsupported image conversion");
 418       break;
 419   }
 420   for (plane = 0; plane < 3; plane++) {
 421     int w = src->d_w;
 422     int h = src->d_h;
 423     int x, y;
 424     if (plane) {
 425       w = (w + src->x_chroma_shift) >> src->x_chroma_shift;
 426       h = (h + src->y_chroma_shift) >> src->y_chroma_shift;
 427     }
 428     for (y = 0; y < h; y++) {
 429       uint16_t *p_src =
 430           (uint16_t *)(src->planes[plane] + y * src->stride[plane]);
 431       uint16_t *p_dst =
 432           (uint16_t *)(dst->planes[plane] + y * dst->stride[plane]);
 433       for (x = 0; x < w; x++)
 434         *p_dst++ = *p_src++ >> down_shift;
 435     }
 436   }
 437 }
 438
 439 static void lowbd_img_downshift(vpx_image_t *dst, vpx_image_t *src,
 440                                 int down_shift) {
 441   int plane;
 442   if (dst->d_w != src->d_w || dst->d_h != src->d_h ||
 443       dst->x_chroma_shift != src->x_chroma_shift ||
 444       dst->y_chroma_shift != src->y_chroma_shift ||
 445       src->fmt != dst->fmt + VPX_IMG_FMT_HIGHBITDEPTH ||
 446       down_shift < 0) {
 447     fatal("Unsupported image conversion");
 448   }
 449   switch (dst->fmt) {
 450     case VPX_IMG_FMT_I420:
 451     case VPX_IMG_FMT_I422:
 452     case VPX_IMG_FMT_I444:
 453     case VPX_IMG_FMT_I440:
 454       break;
 455     default:
 456       fatal("Unsupported image conversion");
 457       break;
 458   }
 459   for (plane = 0; plane < 3; plane++) {
 460     int w = src->d_w;
 461     int h = src->d_h;
 462     int x, y;
 463     if (plane) {
 464       w = (w + src->x_chroma_shift) >> src->x_chroma_shift;
 465       h = (h + src->y_chroma_shift) >> src->y_chroma_shift;
 466     }
 467     for (y = 0; y < h; y++) {
 468       uint16_t *p_src =
 469           (uint16_t *)(src->planes[plane] + y * src->stride[plane]);
 470       uint8_t *p_dst = dst->planes[plane] + y * dst->stride[plane];
 471       for (x = 0; x < w; x++) {
 472         *p_dst++ = *p_src++ >> down_shift;
 473       }
 474     }
 475   }
 476 }
 477
 478 void vpx_img_downshift(vpx_image_t *dst, vpx_image_t *src,
 479                        int down_shift) {
 480   if (dst->fmt & VPX_IMG_FMT_HIGHBITDEPTH) {
 481     highbd_img_downshift(dst, src, down_shift);
 482   } else {
 483     lowbd_img_downshift(dst, src, down_shift);
 484   }
 485 }
 486 #endif  // CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH