convert.cc 12.7 KB
Newer Older
fbarchard@google.com's avatar
fbarchard@google.com committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
/*
 *  Copyright 2013 The LibYuv Project Authors. All rights reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS. All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

// Convert an ARGB image to YUV.
// Usage: convert src_argb.raw dst_yuv.raw

#ifndef _CRT_SECURE_NO_WARNINGS
#define _CRT_SECURE_NO_WARNINGS
#endif

#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "libyuv/convert.h"
24
#include "libyuv/planar_functions.h"
25
#include "libyuv/scale_argb.h"
fbarchard@google.com's avatar
fbarchard@google.com committed
26 27 28

// options
bool verbose = false;
29 30
bool attenuate = false;
bool unattenuate = false;
31 32
int image_width = 0, image_height = 0;  // original width and height
int dst_width = 0, dst_height = 0;  // new width and height
33 34 35 36 37
int fileindex_org = 0;  // argv argument contains the original file name.
int fileindex_rec = 0;  // argv argument contains the reconstructed file name.
int num_rec = 0;  // Number of reconstructed images.
int num_skip_org = 0;  // Number of frames to skip in original.
int num_frames = 0;  // Number of frames to convert.
fbarchard@google.com's avatar
fbarchard@google.com committed
38
int filter = 1;  // Bilinear filter for scaling.
fbarchard@google.com's avatar
fbarchard@google.com committed
39

40 41 42 43
static __inline uint32 Abs(int32 v) {
  return v >= 0 ? v : -v;
}

fbarchard@google.com's avatar
fbarchard@google.com committed
44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
// Parse PYUV format. ie name.1920x800_24Hz_P420.yuv
bool ExtractResolutionFromFilename(const char* name,
                                   int* width_ptr,
                                   int* height_ptr) {
  // Isolate the .width_height. section of the filename by searching for a
  // dot or underscore followed by a digit.
  for (int i = 0; name[i]; ++i) {
    if ((name[i] == '.' || name[i] == '_') &&
        name[i + 1] >= '0' && name[i + 1] <= '9') {
      int n = sscanf(name + i + 1, "%dx%d", width_ptr, height_ptr);  // NOLINT
      if (2 == n) {
        return true;
      }
    }
  }
  return false;
}

void PrintHelp(const char * program) {
  printf("%s [-options] src_argb.raw dst_yuv.raw\n", program);
64
  printf(" -s <width> <height> .... specify source resolution.  "
fbarchard@google.com's avatar
fbarchard@google.com committed
65 66
         "Optional if name contains\n"
         "                          resolution (ie. "
67 68
         "name.1920x800_24Hz_P420.yuv)\n"
         "                          Negative value mirrors.\n");
69
  printf(" -d <width> <height> .... specify destination resolution.\n");
fbarchard@google.com's avatar
fbarchard@google.com committed
70
  printf(" -f <filter> ............ 0 = point, 1 = bilinear (default).\n");
fbarchard@google.com's avatar
fbarchard@google.com committed
71 72
  printf(" -skip <src_argb> ....... Number of frame to skip of src_argb\n");
  printf(" -frames <num> .......... Number of frames to convert\n");
73 74
  printf(" -attenuate ............. Attenuate the ARGB image\n");
  printf(" -unattenuate ........... Unattenuate the ARGB image\n");
fbarchard@google.com's avatar
fbarchard@google.com committed
75 76 77 78 79 80 81 82 83 84
  printf(" -v ..................... verbose\n");
  printf(" -h ..................... this help\n");
  exit(0);
}

void ParseOptions(int argc, const char* argv[]) {
  if (argc <= 1) PrintHelp(argv[0]);
  for (int c = 1; c < argc; ++c) {
    if (!strcmp(argv[c], "-v")) {
      verbose = true;
85 86 87 88
    } else if (!strcmp(argv[c], "-attenuate")) {
      attenuate = true;
    } else if (!strcmp(argv[c], "-unattenuate")) {
      unattenuate = true;
fbarchard@google.com's avatar
fbarchard@google.com committed
89 90 91 92 93
    } else if (!strcmp(argv[c], "-h") || !strcmp(argv[c], "-help")) {
      PrintHelp(argv[0]);
    } else if (!strcmp(argv[c], "-s") && c + 2 < argc) {
      image_width = atoi(argv[++c]);    // NOLINT
      image_height = atoi(argv[++c]);   // NOLINT
94 95 96
    } else if (!strcmp(argv[c], "-d") && c + 2 < argc) {
      dst_width = atoi(argv[++c]);    // NOLINT
      dst_height = atoi(argv[++c]);   // NOLINT
fbarchard@google.com's avatar
fbarchard@google.com committed
97 98 99 100
    } else if (!strcmp(argv[c], "-skip") && c + 1 < argc) {
      num_skip_org = atoi(argv[++c]);   // NOLINT
    } else if (!strcmp(argv[c], "-frames") && c + 1 < argc) {
      num_frames = atoi(argv[++c]);     // NOLINT
fbarchard@google.com's avatar
fbarchard@google.com committed
101 102
    } else if (!strcmp(argv[c], "-f") && c + 1 < argc) {
      filter = atoi(argv[++c]);     // NOLINT
fbarchard@google.com's avatar
fbarchard@google.com committed
103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125
    } else if (argv[c][0] == '-') {
      fprintf(stderr, "Unknown option. %s\n", argv[c]);
    } else if (fileindex_org == 0) {
      fileindex_org = c;
    } else if (fileindex_rec == 0) {
      fileindex_rec = c;
      num_rec = 1;
    } else {
      ++num_rec;
    }
  }
  if (fileindex_org == 0 || fileindex_rec == 0) {
    fprintf(stderr, "Missing filenames\n");
    PrintHelp(argv[0]);
  }
  if (num_skip_org < 0) {
    fprintf(stderr, "Skipped frames incorrect\n");
    PrintHelp(argv[0]);
  }
  if (num_frames < 0) {
    fprintf(stderr, "Number of frames incorrect\n");
    PrintHelp(argv[0]);
  }
126 127 128 129 130 131 132 133 134

  int org_width, org_height;
  int rec_width, rec_height;
  bool org_res_avail = ExtractResolutionFromFilename(argv[fileindex_org],
                                                     &org_width,
                                                     &org_height);
  bool rec_res_avail = ExtractResolutionFromFilename(argv[fileindex_rec],
                                                     &rec_width,
                                                     &rec_height);
135
  if (image_width == 0 || image_height == 0) {
fbarchard@google.com's avatar
fbarchard@google.com committed
136
    if (org_res_avail) {
137 138
      image_width = org_width;
      image_height = org_height;
fbarchard@google.com's avatar
fbarchard@google.com committed
139 140 141 142 143 144 145 146
    } else if (rec_res_avail) {
      image_width = rec_width;
      image_height = rec_height;
    } else {
      fprintf(stderr, "Missing dimensions.\n");
      PrintHelp(argv[0]);
    }
  }
147
  if (dst_width == 0 || dst_height == 0) {
148 149 150 151
    if (rec_res_avail) {
      dst_width = rec_width;
      dst_height = rec_height;
    } else {
152 153
      dst_width = Abs(image_width);
      dst_height = Abs(image_height);
154 155
    }
  }
fbarchard@google.com's avatar
fbarchard@google.com committed
156 157
}

158 159
static const int kTileX = 32;
static const int kTileY = 32;
fbarchard@google.com's avatar
fbarchard@google.com committed
160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188

static int TileARGBScale(const uint8* src_argb, int src_stride_argb,
                         int src_width, int src_height,
                         uint8* dst_argb, int dst_stride_argb,
                         int dst_width, int dst_height,
                         libyuv::FilterMode filtering) {
  for (int y = 0; y < dst_height; y += kTileY) {
    for (int x = 0; x < dst_width; x += kTileX) {
      int clip_width = kTileX;
      if (x + clip_width > dst_width) {
        clip_width = dst_width - x;
      }
      int clip_height = kTileY;
      if (y + clip_height > dst_height) {
        clip_height = dst_height - y;
      }
      int r = libyuv::ARGBScaleClip(src_argb, src_stride_argb,
                                    src_width, src_height,
                                    dst_argb, dst_stride_argb,
                                    dst_width, dst_height,
                                    x, y, clip_width, clip_height, filtering);
      if (r) {
        return r;
      }
    }
  }
  return 0;
}

fbarchard@google.com's avatar
fbarchard@google.com committed
189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214
int main(int argc, const char* argv[]) {
  ParseOptions(argc, argv);

  // Open original file (first file argument)
  FILE* const file_org = fopen(argv[fileindex_org], "rb");
  if (file_org == NULL) {
    fprintf(stderr, "Cannot open %s\n", argv[fileindex_org]);
    exit(1);
  }

  // Open all files to convert to
  FILE** file_rec = new FILE* [num_rec];
  memset(file_rec, 0, num_rec * sizeof(FILE*)); // NOLINT
  for (int cur_rec = 0; cur_rec < num_rec; ++cur_rec) {
    file_rec[cur_rec] = fopen(argv[fileindex_rec + cur_rec], "wb");
    if (file_rec[cur_rec] == NULL) {
      fprintf(stderr, "Cannot open %s\n", argv[fileindex_rec + cur_rec]);
      fclose(file_org);
      for (int i = 0; i < cur_rec; ++i) {
        fclose(file_rec[i]);
      }
      delete[] file_rec;
      exit(1);
    }
  }

215 216
  bool org_is_yuv = strstr(argv[fileindex_org], "_P420.") != NULL;
  bool org_is_argb = strstr(argv[fileindex_org], "_ARGB.") != NULL;
217 218 219 220 221 222 223 224 225 226 227 228 229
  if (!org_is_yuv && !org_is_argb) {
    fprintf(stderr, "Original format unknown %s\n", argv[fileindex_org]);
    exit(1);
  }
  int org_size = Abs(image_width) * Abs(image_height) * 4;  // ARGB
  // Input is YUV
  if (org_is_yuv) {
    const int y_size = Abs(image_width) * Abs(image_height);
    const int uv_size = ((Abs(image_width) + 1) / 2) *
        ((Abs(image_height) + 1) / 2);
    org_size = y_size + 2 * uv_size;  // YUV original.
  }

230 231
  const int dst_size = dst_width * dst_height * 4;  // ARGB scaled
  const int y_size = dst_width * dst_height;
232
  const int uv_size = ((dst_width + 1) / 2) * ((dst_height + 1) / 2);
fbarchard@google.com's avatar
fbarchard@google.com committed
233 234 235 236 237 238 239 240 241 242
  const size_t total_size = y_size + 2 * uv_size;
#if defined(_MSC_VER)
  _fseeki64(file_org,
            static_cast<__int64>(num_skip_org) *
            static_cast<__int64>(org_size), SEEK_SET);
#else
  fseek(file_org, num_skip_org * total_size, SEEK_SET);
#endif

  uint8* const ch_org = new uint8[org_size];
243
  uint8* const ch_dst = new uint8[dst_size];
fbarchard@google.com's avatar
fbarchard@google.com committed
244 245 246 247 248 249 250 251
  uint8* const ch_rec = new uint8[total_size];
  if (ch_org == NULL || ch_rec == NULL) {
    fprintf(stderr, "No memory available\n");
    fclose(file_org);
    for (int i = 0; i < num_rec; ++i) {
      fclose(file_rec[i]);
    }
    delete[] ch_org;
252
    delete[] ch_dst;
fbarchard@google.com's avatar
fbarchard@google.com committed
253 254 255 256 257 258
    delete[] ch_rec;
    delete[] file_rec;
    exit(1);
  }

  if (verbose) {
259 260
    printf("Size: %dx%d to %dx%d\n", image_width, image_height,
           dst_width, dst_height);
fbarchard@google.com's avatar
fbarchard@google.com committed
261 262 263 264 265 266 267
  }

  int number_of_frames;
  for (number_of_frames = 0; ; ++number_of_frames) {
    if (num_frames && number_of_frames >= num_frames)
      break;

268
    // Load original YUV or ARGB frame.
fbarchard@google.com's avatar
fbarchard@google.com committed
269 270 271
    size_t bytes_org = fread(ch_org, sizeof(uint8),
                             static_cast<size_t>(org_size), file_org);
    if (bytes_org < static_cast<size_t>(org_size))
fbarchard@google.com's avatar
fbarchard@google.com committed
272 273
      break;

274 275 276 277 278 279 280 281 282 283
    // TODO(fbarchard): Attenuate doesnt need to know dimensions.
    // ARGB attenuate frame
    if (org_is_argb && attenuate) {
      libyuv::ARGBAttenuate(ch_org, 0, ch_org, 0, org_size / 4, 1);
    }
    // ARGB unattenuate frame
    if (org_is_argb && unattenuate) {
      libyuv::ARGBUnattenuate(ch_org, 0, ch_org, 0, org_size / 4, 1);
    }

fbarchard@google.com's avatar
fbarchard@google.com committed
284
    for (int cur_rec = 0; cur_rec < num_rec; ++cur_rec) {
285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303
      // Scale YUV or ARGB frame.
      if (org_is_yuv) {
        int src_width = Abs(image_width);
        int src_height = Abs(image_height);
        int half_src_width = (src_width + 1) / 2;
        int half_src_height = (src_height + 1) / 2;
        int half_dst_width = (dst_width + 1) / 2;
        int half_dst_height = (dst_height + 1) / 2;
        I420Scale(ch_org, src_width,
                  ch_org + src_width * src_height, half_src_width,
                  ch_org + src_width * src_height +
                      half_src_width * half_src_height,  half_src_width,
                  image_width, image_height,
                  ch_rec, dst_width,
                  ch_rec + dst_width * dst_height, half_dst_width,
                  ch_rec + dst_width * dst_height +
                      half_dst_width * half_dst_height,  half_dst_width,
                  dst_width, dst_height,
                      static_cast<libyuv::FilterMode>(filter));
fbarchard@google.com's avatar
fbarchard@google.com committed
304
      } else {
305 306 307 308 309 310
        TileARGBScale(ch_org, Abs(image_width) * 4,
                      image_width, image_height,
                      ch_dst, dst_width * 4,
                      dst_width, dst_height,
                      static_cast<libyuv::FilterMode>(filter));
      }
311 312 313
      bool rec_is_yuv = strstr(argv[fileindex_rec + cur_rec], "_P420.") != NULL;
      bool rec_is_argb =
          strstr(argv[fileindex_rec + cur_rec], "_ARGB.") != NULL;
314 315 316 317 318 319 320 321
      if (!rec_is_yuv && !rec_is_argb) {
        fprintf(stderr, "Output format unknown %s\n",
                argv[fileindex_rec + cur_rec]);
        continue;  // Advance to next file.
      }

      // Convert ARGB to YUV.
      if (!org_is_yuv && rec_is_yuv) {
fbarchard@google.com's avatar
fbarchard@google.com committed
322 323 324 325 326 327 328 329
        int half_width = (dst_width + 1) / 2;
        int half_height = (dst_height + 1) / 2;
        libyuv::ARGBToI420(ch_dst, dst_width * 4,
                           ch_rec, dst_width,
                           ch_rec + dst_width * dst_height, half_width,
                           ch_rec + dst_width * dst_height +
                               half_width * half_height,  half_width,
                           dst_width, dst_height);
330 331 332 333
      }

      // Output YUV or ARGB frame.
      if (rec_is_yuv) {
fbarchard@google.com's avatar
fbarchard@google.com committed
334 335 336 337 338
        size_t bytes_rec = fwrite(ch_rec, sizeof(uint8),
                                  static_cast<size_t>(total_size),
                                  file_rec[cur_rec]);
        if (bytes_rec < static_cast<size_t>(total_size))
          break;
339 340 341 342 343 344
      } else {
        size_t bytes_rec = fwrite(ch_dst, sizeof(uint8),
                                  static_cast<size_t>(dst_size),
                                  file_rec[cur_rec]);
        if (bytes_rec < static_cast<size_t>(dst_size))
          break;
fbarchard@google.com's avatar
fbarchard@google.com committed
345
      }
fbarchard@google.com's avatar
fbarchard@google.com committed
346 347 348 349 350 351 352 353 354 355 356 357 358 359 360
      if (verbose) {
        printf("%5d", number_of_frames);
      }
      if (verbose) {
        printf("\t%s", argv[fileindex_rec + cur_rec]);
        printf("\n");
      }
    }
  }

  fclose(file_org);
  for (int cur_rec = 0; cur_rec < num_rec; ++cur_rec) {
    fclose(file_rec[cur_rec]);
  }
  delete[] ch_org;
361
  delete[] ch_dst;
fbarchard@google.com's avatar
fbarchard@google.com committed
362 363 364 365
  delete[] ch_rec;
  delete[] file_rec;
  return 0;
}