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      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 "./vpxenc.h"
     12 #include "./vpx_config.h"
     13 
     14 #include <assert.h>
     15 #include <limits.h>
     16 #include <math.h>
     17 #include <stdarg.h>
     18 #include <stdio.h>
     19 #include <stdlib.h>
     20 #include <string.h>
     21 
     22 #include "vpx/vpx_encoder.h"
     23 #if CONFIG_DECODERS
     24 #include "vpx/vpx_decoder.h"
     25 #endif
     26 
     27 #include "third_party/libyuv/include/libyuv/scale.h"
     28 #include "./args.h"
     29 #include "./ivfenc.h"
     30 #include "./tools_common.h"
     31 
     32 #if CONFIG_VP8_ENCODER || CONFIG_VP9_ENCODER
     33 #include "vpx/vp8cx.h"
     34 #endif
     35 #if CONFIG_VP8_DECODER || CONFIG_VP9_DECODER
     36 #include "vpx/vp8dx.h"
     37 #endif
     38 
     39 #include "vpx/vpx_integer.h"
     40 #include "vpx_ports/mem_ops.h"
     41 #include "vpx_ports/vpx_timer.h"
     42 #include "./rate_hist.h"
     43 #include "./vpxstats.h"
     44 #include "./warnings.h"
     45 #include "./webmenc.h"
     46 #include "./y4minput.h"
     47 
     48 /* Swallow warnings about unused results of fread/fwrite */
     49 static size_t wrap_fread(void *ptr, size_t size, size_t nmemb,
     50                          FILE *stream) {
     51   return fread(ptr, size, nmemb, stream);
     52 }
     53 #define fread wrap_fread
     54 
     55 static size_t wrap_fwrite(const void *ptr, size_t size, size_t nmemb,
     56                           FILE *stream) {
     57   return fwrite(ptr, size, nmemb, stream);
     58 }
     59 #define fwrite wrap_fwrite
     60 
     61 
     62 static const char *exec_name;
     63 
     64 static void warn_or_exit_on_errorv(vpx_codec_ctx_t *ctx, int fatal,
     65                                    const char *s, va_list ap) {
     66   if (ctx->err) {
     67     const char *detail = vpx_codec_error_detail(ctx);
     68 
     69     vfprintf(stderr, s, ap);
     70     fprintf(stderr, ": %s\n", vpx_codec_error(ctx));
     71 
     72     if (detail)
     73       fprintf(stderr, "    %s\n", detail);
     74 
     75     if (fatal)
     76       exit(EXIT_FAILURE);
     77   }
     78 }
     79 
     80 static void ctx_exit_on_error(vpx_codec_ctx_t *ctx, const char *s, ...) {
     81   va_list ap;
     82 
     83   va_start(ap, s);
     84   warn_or_exit_on_errorv(ctx, 1, s, ap);
     85   va_end(ap);
     86 }
     87 
     88 static void warn_or_exit_on_error(vpx_codec_ctx_t *ctx, int fatal,
     89                                   const char *s, ...) {
     90   va_list ap;
     91 
     92   va_start(ap, s);
     93   warn_or_exit_on_errorv(ctx, fatal, s, ap);
     94   va_end(ap);
     95 }
     96 
     97 int read_frame(struct VpxInputContext *input_ctx, vpx_image_t *img) {
     98   FILE *f = input_ctx->file;
     99   y4m_input *y4m = &input_ctx->y4m;
    100   int shortread = 0;
    101 
    102   if (input_ctx->file_type == FILE_TYPE_Y4M) {
    103     if (y4m_input_fetch_frame(y4m, f, img) < 1)
    104       return 0;
    105   } else {
    106     shortread = read_yuv_frame(input_ctx, img);
    107   }
    108 
    109   return !shortread;
    110 }
    111 
    112 int file_is_y4m(const char detect[4]) {
    113   if (memcmp(detect, "YUV4", 4) == 0) {
    114     return 1;
    115   }
    116   return 0;
    117 }
    118 
    119 int fourcc_is_ivf(const char detect[4]) {
    120   if (memcmp(detect, "DKIF", 4) == 0) {
    121     return 1;
    122   }
    123   return 0;
    124 }
    125 
    126 #if CONFIG_WEBM_IO
    127 /* Murmur hash derived from public domain reference implementation at
    128  *   http:// sites.google.com/site/murmurhash/
    129  */
    130 static unsigned int murmur(const void *key, int len, unsigned int seed) {
    131   const unsigned int m = 0x5bd1e995;
    132   const int r = 24;
    133 
    134   unsigned int h = seed ^ len;
    135 
    136   const unsigned char *data = (const unsigned char *)key;
    137 
    138   while (len >= 4) {
    139     unsigned int k;
    140 
    141     k  = (unsigned int)data[0];
    142     k |= (unsigned int)data[1] << 8;
    143     k |= (unsigned int)data[2] << 16;
    144     k |= (unsigned int)data[3] << 24;
    145 
    146     k *= m;
    147     k ^= k >> r;
    148     k *= m;
    149 
    150     h *= m;
    151     h ^= k;
    152 
    153     data += 4;
    154     len -= 4;
    155   }
    156 
    157   switch (len) {
    158     case 3:
    159       h ^= data[2] << 16;
    160     case 2:
    161       h ^= data[1] << 8;
    162     case 1:
    163       h ^= data[0];
    164       h *= m;
    165   };
    166 
    167   h ^= h >> 13;
    168   h *= m;
    169   h ^= h >> 15;
    170 
    171   return h;
    172 }
    173 #endif  // CONFIG_WEBM_IO
    174 
    175 static const arg_def_t debugmode = ARG_DEF("D", "debug", 0,
    176                                            "Debug mode (makes output deterministic)");
    177 static const arg_def_t outputfile = ARG_DEF("o", "output", 1,
    178                                             "Output filename");
    179 static const arg_def_t use_yv12 = ARG_DEF(NULL, "yv12", 0,
    180                                           "Input file is YV12 ");
    181 static const arg_def_t use_i420 = ARG_DEF(NULL, "i420", 0,
    182                                           "Input file is I420 (default)");
    183 static const arg_def_t codecarg = ARG_DEF(NULL, "codec", 1,
    184                                           "Codec to use");
    185 static const arg_def_t passes           = ARG_DEF("p", "passes", 1,
    186                                                   "Number of passes (1/2)");
    187 static const arg_def_t pass_arg         = ARG_DEF(NULL, "pass", 1,
    188                                                   "Pass to execute (1/2)");
    189 static const arg_def_t fpf_name         = ARG_DEF(NULL, "fpf", 1,
    190                                                   "First pass statistics file name");
    191 static const arg_def_t limit = ARG_DEF(NULL, "limit", 1,
    192                                        "Stop encoding after n input frames");
    193 static const arg_def_t skip = ARG_DEF(NULL, "skip", 1,
    194                                       "Skip the first n input frames");
    195 static const arg_def_t deadline         = ARG_DEF("d", "deadline", 1,
    196                                                   "Deadline per frame (usec)");
    197 static const arg_def_t best_dl          = ARG_DEF(NULL, "best", 0,
    198                                                   "Use Best Quality Deadline");
    199 static const arg_def_t good_dl          = ARG_DEF(NULL, "good", 0,
    200                                                   "Use Good Quality Deadline");
    201 static const arg_def_t rt_dl            = ARG_DEF(NULL, "rt", 0,
    202                                                   "Use Realtime Quality Deadline");
    203 static const arg_def_t quietarg         = ARG_DEF("q", "quiet", 0,
    204                                                   "Do not print encode progress");
    205 static const arg_def_t verbosearg       = ARG_DEF("v", "verbose", 0,
    206                                                   "Show encoder parameters");
    207 static const arg_def_t psnrarg          = ARG_DEF(NULL, "psnr", 0,
    208                                                   "Show PSNR in status line");
    209 
    210 static const struct arg_enum_list test_decode_enum[] = {
    211   {"off",   TEST_DECODE_OFF},
    212   {"fatal", TEST_DECODE_FATAL},
    213   {"warn",  TEST_DECODE_WARN},
    214   {NULL, 0}
    215 };
    216 static const arg_def_t recontest = ARG_DEF_ENUM(NULL, "test-decode", 1,
    217                                                 "Test encode/decode mismatch",
    218                                                 test_decode_enum);
    219 static const arg_def_t framerate        = ARG_DEF(NULL, "fps", 1,
    220                                                   "Stream frame rate (rate/scale)");
    221 static const arg_def_t use_ivf          = ARG_DEF(NULL, "ivf", 0,
    222                                                   "Output IVF (default is WebM if WebM IO is enabled)");
    223 static const arg_def_t out_part = ARG_DEF("P", "output-partitions", 0,
    224                                           "Makes encoder output partitions. Requires IVF output!");
    225 static const arg_def_t q_hist_n         = ARG_DEF(NULL, "q-hist", 1,
    226                                                   "Show quantizer histogram (n-buckets)");
    227 static const arg_def_t rate_hist_n         = ARG_DEF(NULL, "rate-hist", 1,
    228                                                      "Show rate histogram (n-buckets)");
    229 static const arg_def_t disable_warnings =
    230     ARG_DEF(NULL, "disable-warnings", 0,
    231             "Disable warnings about potentially incorrect encode settings.");
    232 static const arg_def_t disable_warning_prompt =
    233     ARG_DEF("y", "disable-warning-prompt", 0,
    234             "Display warnings, but do not prompt user to continue.");
    235 static const arg_def_t experimental_bitstream =
    236     ARG_DEF(NULL, "experimental-bitstream", 0,
    237             "Allow experimental bitstream features.");
    238 
    239 
    240 static const arg_def_t *main_args[] = {
    241   &debugmode,
    242   &outputfile, &codecarg, &passes, &pass_arg, &fpf_name, &limit, &skip,
    243   &deadline, &best_dl, &good_dl, &rt_dl,
    244   &quietarg, &verbosearg, &psnrarg, &use_ivf, &out_part, &q_hist_n,
    245   &rate_hist_n, &disable_warnings, &disable_warning_prompt,
    246   NULL
    247 };
    248 
    249 static const arg_def_t usage            = ARG_DEF("u", "usage", 1,
    250                                                   "Usage profile number to use");
    251 static const arg_def_t threads          = ARG_DEF("t", "threads", 1,
    252                                                   "Max number of threads to use");
    253 static const arg_def_t profile          = ARG_DEF(NULL, "profile", 1,
    254                                                   "Bitstream profile number to use");
    255 static const arg_def_t width            = ARG_DEF("w", "width", 1,
    256                                                   "Frame width");
    257 static const arg_def_t height           = ARG_DEF("h", "height", 1,
    258                                                   "Frame height");
    259 static const struct arg_enum_list stereo_mode_enum[] = {
    260   {"mono", STEREO_FORMAT_MONO},
    261   {"left-right", STEREO_FORMAT_LEFT_RIGHT},
    262   {"bottom-top", STEREO_FORMAT_BOTTOM_TOP},
    263   {"top-bottom", STEREO_FORMAT_TOP_BOTTOM},
    264   {"right-left", STEREO_FORMAT_RIGHT_LEFT},
    265   {NULL, 0}
    266 };
    267 static const arg_def_t stereo_mode      = ARG_DEF_ENUM(NULL, "stereo-mode", 1,
    268                                                        "Stereo 3D video format", stereo_mode_enum);
    269 static const arg_def_t timebase         = ARG_DEF(NULL, "timebase", 1,
    270                                                   "Output timestamp precision (fractional seconds)");
    271 static const arg_def_t error_resilient  = ARG_DEF(NULL, "error-resilient", 1,
    272                                                   "Enable error resiliency features");
    273 static const arg_def_t lag_in_frames    = ARG_DEF(NULL, "lag-in-frames", 1,
    274                                                   "Max number of frames to lag");
    275 
    276 static const arg_def_t *global_args[] = {
    277   &use_yv12, &use_i420, &usage, &threads, &profile,
    278   &width, &height, &stereo_mode, &timebase, &framerate,
    279   &error_resilient,
    280   &lag_in_frames, NULL
    281 };
    282 
    283 static const arg_def_t dropframe_thresh   = ARG_DEF(NULL, "drop-frame", 1,
    284                                                     "Temporal resampling threshold (buf %)");
    285 static const arg_def_t resize_allowed     = ARG_DEF(NULL, "resize-allowed", 1,
    286                                                     "Spatial resampling enabled (bool)");
    287 static const arg_def_t resize_up_thresh   = ARG_DEF(NULL, "resize-up", 1,
    288                                                     "Upscale threshold (buf %)");
    289 static const arg_def_t resize_down_thresh = ARG_DEF(NULL, "resize-down", 1,
    290                                                     "Downscale threshold (buf %)");
    291 static const struct arg_enum_list end_usage_enum[] = {
    292   {"vbr", VPX_VBR},
    293   {"cbr", VPX_CBR},
    294   {"cq",  VPX_CQ},
    295   {"q",   VPX_Q},
    296   {NULL, 0}
    297 };
    298 static const arg_def_t end_usage          = ARG_DEF_ENUM(NULL, "end-usage", 1,
    299                                                          "Rate control mode", end_usage_enum);
    300 static const arg_def_t target_bitrate     = ARG_DEF(NULL, "target-bitrate", 1,
    301                                                     "Bitrate (kbps)");
    302 static const arg_def_t min_quantizer      = ARG_DEF(NULL, "min-q", 1,
    303                                                     "Minimum (best) quantizer");
    304 static const arg_def_t max_quantizer      = ARG_DEF(NULL, "max-q", 1,
    305                                                     "Maximum (worst) quantizer");
    306 static const arg_def_t undershoot_pct     = ARG_DEF(NULL, "undershoot-pct", 1,
    307                                                     "Datarate undershoot (min) target (%)");
    308 static const arg_def_t overshoot_pct      = ARG_DEF(NULL, "overshoot-pct", 1,
    309                                                     "Datarate overshoot (max) target (%)");
    310 static const arg_def_t buf_sz             = ARG_DEF(NULL, "buf-sz", 1,
    311                                                     "Client buffer size (ms)");
    312 static const arg_def_t buf_initial_sz     = ARG_DEF(NULL, "buf-initial-sz", 1,
    313                                                     "Client initial buffer size (ms)");
    314 static const arg_def_t buf_optimal_sz     = ARG_DEF(NULL, "buf-optimal-sz", 1,
    315                                                     "Client optimal buffer size (ms)");
    316 static const arg_def_t *rc_args[] = {
    317   &dropframe_thresh, &resize_allowed, &resize_up_thresh, &resize_down_thresh,
    318   &end_usage, &target_bitrate, &min_quantizer, &max_quantizer,
    319   &undershoot_pct, &overshoot_pct, &buf_sz, &buf_initial_sz, &buf_optimal_sz,
    320   NULL
    321 };
    322 
    323 
    324 static const arg_def_t bias_pct = ARG_DEF(NULL, "bias-pct", 1,
    325                                           "CBR/VBR bias (0=CBR, 100=VBR)");
    326 static const arg_def_t minsection_pct = ARG_DEF(NULL, "minsection-pct", 1,
    327                                                 "GOP min bitrate (% of target)");
    328 static const arg_def_t maxsection_pct = ARG_DEF(NULL, "maxsection-pct", 1,
    329                                                 "GOP max bitrate (% of target)");
    330 static const arg_def_t *rc_twopass_args[] = {
    331   &bias_pct, &minsection_pct, &maxsection_pct, NULL
    332 };
    333 
    334 
    335 static const arg_def_t kf_min_dist = ARG_DEF(NULL, "kf-min-dist", 1,
    336                                              "Minimum keyframe interval (frames)");
    337 static const arg_def_t kf_max_dist = ARG_DEF(NULL, "kf-max-dist", 1,
    338                                              "Maximum keyframe interval (frames)");
    339 static const arg_def_t kf_disabled = ARG_DEF(NULL, "disable-kf", 0,
    340                                              "Disable keyframe placement");
    341 static const arg_def_t *kf_args[] = {
    342   &kf_min_dist, &kf_max_dist, &kf_disabled, NULL
    343 };
    344 
    345 
    346 static const arg_def_t noise_sens = ARG_DEF(NULL, "noise-sensitivity", 1,
    347                                             "Noise sensitivity (frames to blur)");
    348 static const arg_def_t sharpness = ARG_DEF(NULL, "sharpness", 1,
    349                                            "Filter sharpness (0-7)");
    350 static const arg_def_t static_thresh = ARG_DEF(NULL, "static-thresh", 1,
    351                                                "Motion detection threshold");
    352 static const arg_def_t cpu_used = ARG_DEF(NULL, "cpu-used", 1,
    353                                           "CPU Used (-16..16)");
    354 static const arg_def_t auto_altref = ARG_DEF(NULL, "auto-alt-ref", 1,
    355                                              "Enable automatic alt reference frames");
    356 static const arg_def_t arnr_maxframes = ARG_DEF(NULL, "arnr-maxframes", 1,
    357                                                 "AltRef Max Frames");
    358 static const arg_def_t arnr_strength = ARG_DEF(NULL, "arnr-strength", 1,
    359                                                "AltRef Strength");
    360 static const arg_def_t arnr_type = ARG_DEF(NULL, "arnr-type", 1,
    361                                            "AltRef Type");
    362 static const struct arg_enum_list tuning_enum[] = {
    363   {"psnr", VP8_TUNE_PSNR},
    364   {"ssim", VP8_TUNE_SSIM},
    365   {NULL, 0}
    366 };
    367 static const arg_def_t tune_ssim = ARG_DEF_ENUM(NULL, "tune", 1,
    368                                                 "Material to favor", tuning_enum);
    369 static const arg_def_t cq_level = ARG_DEF(NULL, "cq-level", 1,
    370                                           "Constant/Constrained Quality level");
    371 static const arg_def_t max_intra_rate_pct = ARG_DEF(NULL, "max-intra-rate", 1,
    372                                                     "Max I-frame bitrate (pct)");
    373 
    374 #if CONFIG_VP8_ENCODER
    375 static const arg_def_t token_parts =
    376     ARG_DEF(NULL, "token-parts", 1, "Number of token partitions to use, log2");
    377 static const arg_def_t *vp8_args[] = {
    378   &cpu_used, &auto_altref, &noise_sens, &sharpness, &static_thresh,
    379   &token_parts, &arnr_maxframes, &arnr_strength, &arnr_type,
    380   &tune_ssim, &cq_level, &max_intra_rate_pct,
    381   NULL
    382 };
    383 static const int vp8_arg_ctrl_map[] = {
    384   VP8E_SET_CPUUSED, VP8E_SET_ENABLEAUTOALTREF,
    385   VP8E_SET_NOISE_SENSITIVITY, VP8E_SET_SHARPNESS, VP8E_SET_STATIC_THRESHOLD,
    386   VP8E_SET_TOKEN_PARTITIONS,
    387   VP8E_SET_ARNR_MAXFRAMES, VP8E_SET_ARNR_STRENGTH, VP8E_SET_ARNR_TYPE,
    388   VP8E_SET_TUNING, VP8E_SET_CQ_LEVEL, VP8E_SET_MAX_INTRA_BITRATE_PCT,
    389   0
    390 };
    391 #endif
    392 
    393 #if CONFIG_VP9_ENCODER
    394 static const arg_def_t tile_cols =
    395     ARG_DEF(NULL, "tile-columns", 1, "Number of tile columns to use, log2");
    396 static const arg_def_t tile_rows =
    397     ARG_DEF(NULL, "tile-rows", 1, "Number of tile rows to use, log2");
    398 static const arg_def_t lossless = ARG_DEF(NULL, "lossless", 1, "Lossless mode");
    399 static const arg_def_t frame_parallel_decoding = ARG_DEF(
    400     NULL, "frame-parallel", 1, "Enable frame parallel decodability features");
    401 static const arg_def_t aq_mode = ARG_DEF(
    402     NULL, "aq-mode", 1,
    403     "Adaptive q mode (0: off (by default), 1: variance 2: complexity, "
    404     "3: cyclic refresh)");
    405 static const arg_def_t frame_periodic_boost = ARG_DEF(
    406     NULL, "frame_boost", 1,
    407     "Enable frame periodic boost (0: off (by default), 1: on)");
    408 
    409 static const arg_def_t *vp9_args[] = {
    410   &cpu_used, &auto_altref, &noise_sens, &sharpness, &static_thresh,
    411   &tile_cols, &tile_rows, &arnr_maxframes, &arnr_strength, &arnr_type,
    412   &tune_ssim, &cq_level, &max_intra_rate_pct, &lossless,
    413   &frame_parallel_decoding, &aq_mode, &frame_periodic_boost,
    414   NULL
    415 };
    416 static const int vp9_arg_ctrl_map[] = {
    417   VP8E_SET_CPUUSED, VP8E_SET_ENABLEAUTOALTREF,
    418   VP8E_SET_NOISE_SENSITIVITY, VP8E_SET_SHARPNESS, VP8E_SET_STATIC_THRESHOLD,
    419   VP9E_SET_TILE_COLUMNS, VP9E_SET_TILE_ROWS,
    420   VP8E_SET_ARNR_MAXFRAMES, VP8E_SET_ARNR_STRENGTH, VP8E_SET_ARNR_TYPE,
    421   VP8E_SET_TUNING, VP8E_SET_CQ_LEVEL, VP8E_SET_MAX_INTRA_BITRATE_PCT,
    422   VP9E_SET_LOSSLESS, VP9E_SET_FRAME_PARALLEL_DECODING, VP9E_SET_AQ_MODE,
    423   VP9E_SET_FRAME_PERIODIC_BOOST,
    424   0
    425 };
    426 #endif
    427 
    428 static const arg_def_t *no_args[] = { NULL };
    429 
    430 void usage_exit() {
    431   int i;
    432 
    433   fprintf(stderr, "Usage: %s <options> -o dst_filename src_filename \n",
    434           exec_name);
    435 
    436   fprintf(stderr, "\nOptions:\n");
    437   arg_show_usage(stderr, main_args);
    438   fprintf(stderr, "\nEncoder Global Options:\n");
    439   arg_show_usage(stderr, global_args);
    440   fprintf(stderr, "\nRate Control Options:\n");
    441   arg_show_usage(stderr, rc_args);
    442   fprintf(stderr, "\nTwopass Rate Control Options:\n");
    443   arg_show_usage(stderr, rc_twopass_args);
    444   fprintf(stderr, "\nKeyframe Placement Options:\n");
    445   arg_show_usage(stderr, kf_args);
    446 #if CONFIG_VP8_ENCODER
    447   fprintf(stderr, "\nVP8 Specific Options:\n");
    448   arg_show_usage(stderr, vp8_args);
    449 #endif
    450 #if CONFIG_VP9_ENCODER
    451   fprintf(stderr, "\nVP9 Specific Options:\n");
    452   arg_show_usage(stderr, vp9_args);
    453 #endif
    454   fprintf(stderr, "\nStream timebase (--timebase):\n"
    455           "  The desired precision of timestamps in the output, expressed\n"
    456           "  in fractional seconds. Default is 1/1000.\n");
    457   fprintf(stderr, "\nIncluded encoders:\n\n");
    458 
    459   for (i = 0; i < get_vpx_encoder_count(); ++i) {
    460     const VpxInterface *const encoder = get_vpx_encoder_by_index(i);
    461     fprintf(stderr, "    %-6s - %s\n",
    462             encoder->name, vpx_codec_iface_name(encoder->interface()));
    463   }
    464 
    465   exit(EXIT_FAILURE);
    466 }
    467 
    468 #define mmin(a, b)  ((a) < (b) ? (a) : (b))
    469 static void find_mismatch(const vpx_image_t *const img1,
    470                           const vpx_image_t *const img2,
    471                           int yloc[4], int uloc[4], int vloc[4]) {
    472   const uint32_t bsize = 64;
    473   const uint32_t bsizey = bsize >> img1->y_chroma_shift;
    474   const uint32_t bsizex = bsize >> img1->x_chroma_shift;
    475   const uint32_t c_w =
    476       (img1->d_w + img1->x_chroma_shift) >> img1->x_chroma_shift;
    477   const uint32_t c_h =
    478       (img1->d_h + img1->y_chroma_shift) >> img1->y_chroma_shift;
    479   int match = 1;
    480   uint32_t i, j;
    481   yloc[0] = yloc[1] = yloc[2] = yloc[3] = -1;
    482   for (i = 0, match = 1; match && i < img1->d_h; i += bsize) {
    483     for (j = 0; match && j < img1->d_w; j += bsize) {
    484       int k, l;
    485       const int si = mmin(i + bsize, img1->d_h) - i;
    486       const int sj = mmin(j + bsize, img1->d_w) - j;
    487       for (k = 0; match && k < si; ++k) {
    488         for (l = 0; match && l < sj; ++l) {
    489           if (*(img1->planes[VPX_PLANE_Y] +
    490                 (i + k) * img1->stride[VPX_PLANE_Y] + j + l) !=
    491               *(img2->planes[VPX_PLANE_Y] +
    492                 (i + k) * img2->stride[VPX_PLANE_Y] + j + l)) {
    493             yloc[0] = i + k;
    494             yloc[1] = j + l;
    495             yloc[2] = *(img1->planes[VPX_PLANE_Y] +
    496                         (i + k) * img1->stride[VPX_PLANE_Y] + j + l);
    497             yloc[3] = *(img2->planes[VPX_PLANE_Y] +
    498                         (i + k) * img2->stride[VPX_PLANE_Y] + j + l);
    499             match = 0;
    500             break;
    501           }
    502         }
    503       }
    504     }
    505   }
    506 
    507   uloc[0] = uloc[1] = uloc[2] = uloc[3] = -1;
    508   for (i = 0, match = 1; match && i < c_h; i += bsizey) {
    509     for (j = 0; match && j < c_w; j += bsizex) {
    510       int k, l;
    511       const int si = mmin(i + bsizey, c_h - i);
    512       const int sj = mmin(j + bsizex, c_w - j);
    513       for (k = 0; match && k < si; ++k) {
    514         for (l = 0; match && l < sj; ++l) {
    515           if (*(img1->planes[VPX_PLANE_U] +
    516                 (i + k) * img1->stride[VPX_PLANE_U] + j + l) !=
    517               *(img2->planes[VPX_PLANE_U] +
    518                 (i + k) * img2->stride[VPX_PLANE_U] + j + l)) {
    519             uloc[0] = i + k;
    520             uloc[1] = j + l;
    521             uloc[2] = *(img1->planes[VPX_PLANE_U] +
    522                         (i + k) * img1->stride[VPX_PLANE_U] + j + l);
    523             uloc[3] = *(img2->planes[VPX_PLANE_U] +
    524                         (i + k) * img2->stride[VPX_PLANE_U] + j + l);
    525             match = 0;
    526             break;
    527           }
    528         }
    529       }
    530     }
    531   }
    532   vloc[0] = vloc[1] = vloc[2] = vloc[3] = -1;
    533   for (i = 0, match = 1; match && i < c_h; i += bsizey) {
    534     for (j = 0; match && j < c_w; j += bsizex) {
    535       int k, l;
    536       const int si = mmin(i + bsizey, c_h - i);
    537       const int sj = mmin(j + bsizex, c_w - j);
    538       for (k = 0; match && k < si; ++k) {
    539         for (l = 0; match && l < sj; ++l) {
    540           if (*(img1->planes[VPX_PLANE_V] +
    541                 (i + k) * img1->stride[VPX_PLANE_V] + j + l) !=
    542               *(img2->planes[VPX_PLANE_V] +
    543                 (i + k) * img2->stride[VPX_PLANE_V] + j + l)) {
    544             vloc[0] = i + k;
    545             vloc[1] = j + l;
    546             vloc[2] = *(img1->planes[VPX_PLANE_V] +
    547                         (i + k) * img1->stride[VPX_PLANE_V] + j + l);
    548             vloc[3] = *(img2->planes[VPX_PLANE_V] +
    549                         (i + k) * img2->stride[VPX_PLANE_V] + j + l);
    550             match = 0;
    551             break;
    552           }
    553         }
    554       }
    555     }
    556   }
    557 }
    558 
    559 static int compare_img(const vpx_image_t *const img1,
    560                        const vpx_image_t *const img2) {
    561   const uint32_t c_w =
    562       (img1->d_w + img1->x_chroma_shift) >> img1->x_chroma_shift;
    563   const uint32_t c_h =
    564       (img1->d_h + img1->y_chroma_shift) >> img1->y_chroma_shift;
    565   uint32_t i;
    566   int match = 1;
    567 
    568   match &= (img1->fmt == img2->fmt);
    569   match &= (img1->d_w == img2->d_w);
    570   match &= (img1->d_h == img2->d_h);
    571 
    572   for (i = 0; i < img1->d_h; ++i)
    573     match &= (memcmp(img1->planes[VPX_PLANE_Y] + i * img1->stride[VPX_PLANE_Y],
    574                      img2->planes[VPX_PLANE_Y] + i * img2->stride[VPX_PLANE_Y],
    575                      img1->d_w) == 0);
    576 
    577   for (i = 0; i < c_h; ++i)
    578     match &= (memcmp(img1->planes[VPX_PLANE_U] + i * img1->stride[VPX_PLANE_U],
    579                      img2->planes[VPX_PLANE_U] + i * img2->stride[VPX_PLANE_U],
    580                      c_w) == 0);
    581 
    582   for (i = 0; i < c_h; ++i)
    583     match &= (memcmp(img1->planes[VPX_PLANE_V] + i * img1->stride[VPX_PLANE_V],
    584                      img2->planes[VPX_PLANE_V] + i * img2->stride[VPX_PLANE_V],
    585                      c_w) == 0);
    586 
    587   return match;
    588 }
    589 
    590 
    591 #define NELEMENTS(x) (sizeof(x)/sizeof(x[0]))
    592 #define MAX(x,y) ((x)>(y)?(x):(y))
    593 #if CONFIG_VP8_ENCODER && !CONFIG_VP9_ENCODER
    594 #define ARG_CTRL_CNT_MAX NELEMENTS(vp8_arg_ctrl_map)
    595 #elif !CONFIG_VP8_ENCODER && CONFIG_VP9_ENCODER
    596 #define ARG_CTRL_CNT_MAX NELEMENTS(vp9_arg_ctrl_map)
    597 #else
    598 #define ARG_CTRL_CNT_MAX MAX(NELEMENTS(vp8_arg_ctrl_map), \
    599                              NELEMENTS(vp9_arg_ctrl_map))
    600 #endif
    601 
    602 /* Per-stream configuration */
    603 struct stream_config {
    604   struct vpx_codec_enc_cfg  cfg;
    605   const char               *out_fn;
    606   const char               *stats_fn;
    607   stereo_format_t           stereo_fmt;
    608   int                       arg_ctrls[ARG_CTRL_CNT_MAX][2];
    609   int                       arg_ctrl_cnt;
    610   int                       write_webm;
    611   int                       have_kf_max_dist;
    612 };
    613 
    614 
    615 struct stream_state {
    616   int                       index;
    617   struct stream_state      *next;
    618   struct stream_config      config;
    619   FILE                     *file;
    620   struct rate_hist         *rate_hist;
    621   struct EbmlGlobal         ebml;
    622   uint32_t                  hash;
    623   uint64_t                  psnr_sse_total;
    624   uint64_t                  psnr_samples_total;
    625   double                    psnr_totals[4];
    626   int                       psnr_count;
    627   int                       counts[64];
    628   vpx_codec_ctx_t           encoder;
    629   unsigned int              frames_out;
    630   uint64_t                  cx_time;
    631   size_t                    nbytes;
    632   stats_io_t                stats;
    633   struct vpx_image         *img;
    634   vpx_codec_ctx_t           decoder;
    635   int                       mismatch_seen;
    636 };
    637 
    638 
    639 void validate_positive_rational(const char          *msg,
    640                                 struct vpx_rational *rat) {
    641   if (rat->den < 0) {
    642     rat->num *= -1;
    643     rat->den *= -1;
    644   }
    645 
    646   if (rat->num < 0)
    647     die("Error: %s must be positive\n", msg);
    648 
    649   if (!rat->den)
    650     die("Error: %s has zero denominator\n", msg);
    651 }
    652 
    653 
    654 static void parse_global_config(struct VpxEncoderConfig *global, char **argv) {
    655   char       **argi, **argj;
    656   struct arg   arg;
    657 
    658   /* Initialize default parameters */
    659   memset(global, 0, sizeof(*global));
    660   global->codec = get_vpx_encoder_by_index(0);
    661   global->passes = 0;
    662   global->use_i420 = 1;
    663   /* Assign default deadline to good quality */
    664   global->deadline = VPX_DL_GOOD_QUALITY;
    665 
    666   for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
    667     arg.argv_step = 1;
    668 
    669     if (arg_match(&arg, &codecarg, argi)) {
    670       global->codec = get_vpx_encoder_by_name(arg.val);
    671       if (!global->codec)
    672         die("Error: Unrecognized argument (%s) to --codec\n", arg.val);
    673     } else if (arg_match(&arg, &passes, argi)) {
    674       global->passes = arg_parse_uint(&arg);
    675 
    676       if (global->passes < 1 || global->passes > 2)
    677         die("Error: Invalid number of passes (%d)\n", global->passes);
    678     } else if (arg_match(&arg, &pass_arg, argi)) {
    679       global->pass = arg_parse_uint(&arg);
    680 
    681       if (global->pass < 1 || global->pass > 2)
    682         die("Error: Invalid pass selected (%d)\n",
    683             global->pass);
    684     } else if (arg_match(&arg, &usage, argi))
    685       global->usage = arg_parse_uint(&arg);
    686     else if (arg_match(&arg, &deadline, argi))
    687       global->deadline = arg_parse_uint(&arg);
    688     else if (arg_match(&arg, &best_dl, argi))
    689       global->deadline = VPX_DL_BEST_QUALITY;
    690     else if (arg_match(&arg, &good_dl, argi))
    691       global->deadline = VPX_DL_GOOD_QUALITY;
    692     else if (arg_match(&arg, &rt_dl, argi))
    693       global->deadline = VPX_DL_REALTIME;
    694     else if (arg_match(&arg, &use_yv12, argi))
    695       global->use_i420 = 0;
    696     else if (arg_match(&arg, &use_i420, argi))
    697       global->use_i420 = 1;
    698     else if (arg_match(&arg, &quietarg, argi))
    699       global->quiet = 1;
    700     else if (arg_match(&arg, &verbosearg, argi))
    701       global->verbose = 1;
    702     else if (arg_match(&arg, &limit, argi))
    703       global->limit = arg_parse_uint(&arg);
    704     else if (arg_match(&arg, &skip, argi))
    705       global->skip_frames = arg_parse_uint(&arg);
    706     else if (arg_match(&arg, &psnrarg, argi))
    707       global->show_psnr = 1;
    708     else if (arg_match(&arg, &recontest, argi))
    709       global->test_decode = arg_parse_enum_or_int(&arg);
    710     else if (arg_match(&arg, &framerate, argi)) {
    711       global->framerate = arg_parse_rational(&arg);
    712       validate_positive_rational(arg.name, &global->framerate);
    713       global->have_framerate = 1;
    714     } else if (arg_match(&arg, &out_part, argi))
    715       global->out_part = 1;
    716     else if (arg_match(&arg, &debugmode, argi))
    717       global->debug = 1;
    718     else if (arg_match(&arg, &q_hist_n, argi))
    719       global->show_q_hist_buckets = arg_parse_uint(&arg);
    720     else if (arg_match(&arg, &rate_hist_n, argi))
    721       global->show_rate_hist_buckets = arg_parse_uint(&arg);
    722     else if (arg_match(&arg, &disable_warnings, argi))
    723       global->disable_warnings = 1;
    724     else if (arg_match(&arg, &disable_warning_prompt, argi))
    725       global->disable_warning_prompt = 1;
    726     else if (arg_match(&arg, &experimental_bitstream, argi))
    727       global->experimental_bitstream = 1;
    728     else
    729       argj++;
    730   }
    731 
    732   if (global->pass) {
    733     /* DWIM: Assume the user meant passes=2 if pass=2 is specified */
    734     if (global->pass > global->passes) {
    735       warn("Assuming --pass=%d implies --passes=%d\n",
    736            global->pass, global->pass);
    737       global->passes = global->pass;
    738     }
    739   }
    740   /* Validate global config */
    741   if (global->passes == 0) {
    742 #if CONFIG_VP9_ENCODER
    743     // Make default VP9 passes = 2 until there is a better quality 1-pass
    744     // encoder
    745     global->passes = (strcmp(global->codec->name, "vp9") == 0 &&
    746                       global->deadline != VPX_DL_REALTIME) ? 2 : 1;
    747 #else
    748     global->passes = 1;
    749 #endif
    750   }
    751 
    752   if (global->deadline == VPX_DL_REALTIME &&
    753       global->passes > 1) {
    754     warn("Enforcing one-pass encoding in realtime mode\n");
    755     global->passes = 1;
    756   }
    757 }
    758 
    759 
    760 void open_input_file(struct VpxInputContext *input) {
    761   /* Parse certain options from the input file, if possible */
    762   input->file = strcmp(input->filename, "-")
    763       ? fopen(input->filename, "rb") : set_binary_mode(stdin);
    764 
    765   if (!input->file)
    766     fatal("Failed to open input file");
    767 
    768   if (!fseeko(input->file, 0, SEEK_END)) {
    769     /* Input file is seekable. Figure out how long it is, so we can get
    770      * progress info.
    771      */
    772     input->length = ftello(input->file);
    773     rewind(input->file);
    774   }
    775 
    776   /* For RAW input sources, these bytes will applied on the first frame
    777    *  in read_frame().
    778    */
    779   input->detect.buf_read = fread(input->detect.buf, 1, 4, input->file);
    780   input->detect.position = 0;
    781 
    782   if (input->detect.buf_read == 4
    783       && file_is_y4m(input->detect.buf)) {
    784     if (y4m_input_open(&input->y4m, input->file, input->detect.buf, 4,
    785                        input->only_i420) >= 0) {
    786       input->file_type = FILE_TYPE_Y4M;
    787       input->width = input->y4m.pic_w;
    788       input->height = input->y4m.pic_h;
    789       input->framerate.numerator = input->y4m.fps_n;
    790       input->framerate.denominator = input->y4m.fps_d;
    791       input->use_i420 = 0;
    792     } else
    793       fatal("Unsupported Y4M stream.");
    794   } else if (input->detect.buf_read == 4 && fourcc_is_ivf(input->detect.buf)) {
    795     fatal("IVF is not supported as input.");
    796   } else {
    797     input->file_type = FILE_TYPE_RAW;
    798   }
    799 }
    800 
    801 
    802 static void close_input_file(struct VpxInputContext *input) {
    803   fclose(input->file);
    804   if (input->file_type == FILE_TYPE_Y4M)
    805     y4m_input_close(&input->y4m);
    806 }
    807 
    808 static struct stream_state *new_stream(struct VpxEncoderConfig *global,
    809                                        struct stream_state *prev) {
    810   struct stream_state *stream;
    811 
    812   stream = calloc(1, sizeof(*stream));
    813   if (!stream)
    814     fatal("Failed to allocate new stream.");
    815   if (prev) {
    816     memcpy(stream, prev, sizeof(*stream));
    817     stream->index++;
    818     prev->next = stream;
    819   } else {
    820     vpx_codec_err_t  res;
    821 
    822     /* Populate encoder configuration */
    823     res = vpx_codec_enc_config_default(global->codec->interface(),
    824                                        &stream->config.cfg,
    825                                        global->usage);
    826     if (res)
    827       fatal("Failed to get config: %s\n", vpx_codec_err_to_string(res));
    828 
    829     /* Change the default timebase to a high enough value so that the
    830      * encoder will always create strictly increasing timestamps.
    831      */
    832     stream->config.cfg.g_timebase.den = 1000;
    833 
    834     /* Never use the library's default resolution, require it be parsed
    835      * from the file or set on the command line.
    836      */
    837     stream->config.cfg.g_w = 0;
    838     stream->config.cfg.g_h = 0;
    839 
    840     /* Initialize remaining stream parameters */
    841     stream->config.stereo_fmt = STEREO_FORMAT_MONO;
    842     stream->config.write_webm = 1;
    843 #if CONFIG_WEBM_IO
    844     stream->ebml.last_pts_ms = -1;
    845 #endif
    846 
    847     /* Allows removal of the application version from the EBML tags */
    848     stream->ebml.debug = global->debug;
    849 
    850     /* Default lag_in_frames is 0 in realtime mode */
    851     if (global->deadline == VPX_DL_REALTIME)
    852       stream->config.cfg.g_lag_in_frames = 0;
    853   }
    854 
    855   /* Output files must be specified for each stream */
    856   stream->config.out_fn = NULL;
    857 
    858   stream->next = NULL;
    859   return stream;
    860 }
    861 
    862 
    863 static int parse_stream_params(struct VpxEncoderConfig *global,
    864                                struct stream_state  *stream,
    865                                char **argv) {
    866   char                   **argi, **argj;
    867   struct arg               arg;
    868   static const arg_def_t **ctrl_args = no_args;
    869   static const int        *ctrl_args_map = NULL;
    870   struct stream_config    *config = &stream->config;
    871   int                      eos_mark_found = 0;
    872 
    873   // Handle codec specific options
    874   if (0) {
    875 #if CONFIG_VP8_ENCODER
    876   } else if (strcmp(global->codec->name, "vp8") == 0) {
    877     ctrl_args = vp8_args;
    878     ctrl_args_map = vp8_arg_ctrl_map;
    879 #endif
    880 #if CONFIG_VP9_ENCODER
    881   } else if (strcmp(global->codec->name, "vp9") == 0) {
    882     ctrl_args = vp9_args;
    883     ctrl_args_map = vp9_arg_ctrl_map;
    884 #endif
    885   }
    886 
    887   for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
    888     arg.argv_step = 1;
    889 
    890     /* Once we've found an end-of-stream marker (--) we want to continue
    891      * shifting arguments but not consuming them.
    892      */
    893     if (eos_mark_found) {
    894       argj++;
    895       continue;
    896     } else if (!strcmp(*argj, "--")) {
    897       eos_mark_found = 1;
    898       continue;
    899     }
    900 
    901     if (0) {
    902     } else if (arg_match(&arg, &outputfile, argi)) {
    903       config->out_fn = arg.val;
    904     } else if (arg_match(&arg, &fpf_name, argi)) {
    905       config->stats_fn = arg.val;
    906     } else if (arg_match(&arg, &use_ivf, argi)) {
    907       config->write_webm = 0;
    908     } else if (arg_match(&arg, &threads, argi)) {
    909       config->cfg.g_threads = arg_parse_uint(&arg);
    910     } else if (arg_match(&arg, &profile, argi)) {
    911       config->cfg.g_profile = arg_parse_uint(&arg);
    912     } else if (arg_match(&arg, &width, argi)) {
    913       config->cfg.g_w = arg_parse_uint(&arg);
    914     } else if (arg_match(&arg, &height, argi)) {
    915       config->cfg.g_h = arg_parse_uint(&arg);
    916     } else if (arg_match(&arg, &stereo_mode, argi)) {
    917       config->stereo_fmt = arg_parse_enum_or_int(&arg);
    918     } else if (arg_match(&arg, &timebase, argi)) {
    919       config->cfg.g_timebase = arg_parse_rational(&arg);
    920       validate_positive_rational(arg.name, &config->cfg.g_timebase);
    921     } else if (arg_match(&arg, &error_resilient, argi)) {
    922       config->cfg.g_error_resilient = arg_parse_uint(&arg);
    923     } else if (arg_match(&arg, &lag_in_frames, argi)) {
    924       config->cfg.g_lag_in_frames = arg_parse_uint(&arg);
    925       if (global->deadline == VPX_DL_REALTIME &&
    926           config->cfg.g_lag_in_frames != 0) {
    927         warn("non-zero %s option ignored in realtime mode.\n", arg.name);
    928         config->cfg.g_lag_in_frames = 0;
    929       }
    930     } else if (arg_match(&arg, &dropframe_thresh, argi)) {
    931       config->cfg.rc_dropframe_thresh = arg_parse_uint(&arg);
    932     } else if (arg_match(&arg, &resize_allowed, argi)) {
    933       config->cfg.rc_resize_allowed = arg_parse_uint(&arg);
    934     } else if (arg_match(&arg, &resize_up_thresh, argi)) {
    935       config->cfg.rc_resize_up_thresh = arg_parse_uint(&arg);
    936     } else if (arg_match(&arg, &resize_down_thresh, argi)) {
    937       config->cfg.rc_resize_down_thresh = arg_parse_uint(&arg);
    938     } else if (arg_match(&arg, &end_usage, argi)) {
    939       config->cfg.rc_end_usage = arg_parse_enum_or_int(&arg);
    940     } else if (arg_match(&arg, &target_bitrate, argi)) {
    941       config->cfg.rc_target_bitrate = arg_parse_uint(&arg);
    942     } else if (arg_match(&arg, &min_quantizer, argi)) {
    943       config->cfg.rc_min_quantizer = arg_parse_uint(&arg);
    944     } else if (arg_match(&arg, &max_quantizer, argi)) {
    945       config->cfg.rc_max_quantizer = arg_parse_uint(&arg);
    946     } else if (arg_match(&arg, &undershoot_pct, argi)) {
    947       config->cfg.rc_undershoot_pct = arg_parse_uint(&arg);
    948     } else if (arg_match(&arg, &overshoot_pct, argi)) {
    949       config->cfg.rc_overshoot_pct = arg_parse_uint(&arg);
    950     } else if (arg_match(&arg, &buf_sz, argi)) {
    951       config->cfg.rc_buf_sz = arg_parse_uint(&arg);
    952     } else if (arg_match(&arg, &buf_initial_sz, argi)) {
    953       config->cfg.rc_buf_initial_sz = arg_parse_uint(&arg);
    954     } else if (arg_match(&arg, &buf_optimal_sz, argi)) {
    955       config->cfg.rc_buf_optimal_sz = arg_parse_uint(&arg);
    956     } else if (arg_match(&arg, &bias_pct, argi)) {
    957         config->cfg.rc_2pass_vbr_bias_pct = arg_parse_uint(&arg);
    958       if (global->passes < 2)
    959         warn("option %s ignored in one-pass mode.\n", arg.name);
    960     } else if (arg_match(&arg, &minsection_pct, argi)) {
    961       config->cfg.rc_2pass_vbr_minsection_pct = arg_parse_uint(&arg);
    962 
    963       if (global->passes < 2)
    964         warn("option %s ignored in one-pass mode.\n", arg.name);
    965     } else if (arg_match(&arg, &maxsection_pct, argi)) {
    966       config->cfg.rc_2pass_vbr_maxsection_pct = arg_parse_uint(&arg);
    967 
    968       if (global->passes < 2)
    969         warn("option %s ignored in one-pass mode.\n", arg.name);
    970     } else if (arg_match(&arg, &kf_min_dist, argi)) {
    971       config->cfg.kf_min_dist = arg_parse_uint(&arg);
    972     } else if (arg_match(&arg, &kf_max_dist, argi)) {
    973       config->cfg.kf_max_dist = arg_parse_uint(&arg);
    974       config->have_kf_max_dist = 1;
    975     } else if (arg_match(&arg, &kf_disabled, argi)) {
    976       config->cfg.kf_mode = VPX_KF_DISABLED;
    977     } else {
    978       int i, match = 0;
    979       for (i = 0; ctrl_args[i]; i++) {
    980         if (arg_match(&arg, ctrl_args[i], argi)) {
    981           int j;
    982           match = 1;
    983 
    984           /* Point either to the next free element or the first
    985           * instance of this control.
    986           */
    987           for (j = 0; j < config->arg_ctrl_cnt; j++)
    988             if (config->arg_ctrls[j][0] == ctrl_args_map[i])
    989               break;
    990 
    991           /* Update/insert */
    992           assert(j < ARG_CTRL_CNT_MAX);
    993           if (j < ARG_CTRL_CNT_MAX) {
    994             config->arg_ctrls[j][0] = ctrl_args_map[i];
    995             config->arg_ctrls[j][1] = arg_parse_enum_or_int(&arg);
    996             if (j == config->arg_ctrl_cnt)
    997               config->arg_ctrl_cnt++;
    998           }
    999 
   1000         }
   1001       }
   1002       if (!match)
   1003         argj++;
   1004     }
   1005   }
   1006   return eos_mark_found;
   1007 }
   1008 
   1009 
   1010 #define FOREACH_STREAM(func) \
   1011   do { \
   1012     struct stream_state *stream; \
   1013     for (stream = streams; stream; stream = stream->next) { \
   1014       func; \
   1015     } \
   1016   } while (0)
   1017 
   1018 
   1019 static void validate_stream_config(const struct stream_state *stream,
   1020                                    const struct VpxEncoderConfig *global) {
   1021   const struct stream_state *streami;
   1022 
   1023   if (!stream->config.cfg.g_w || !stream->config.cfg.g_h)
   1024     fatal("Stream %d: Specify stream dimensions with --width (-w) "
   1025           " and --height (-h)", stream->index);
   1026 
   1027   if (stream->config.cfg.g_profile != 0 && !global->experimental_bitstream) {
   1028     fatal("Stream %d: profile %d is experimental and requires the --%s flag",
   1029           stream->index, stream->config.cfg.g_profile,
   1030           experimental_bitstream.long_name);
   1031   }
   1032 
   1033   for (streami = stream; streami; streami = streami->next) {
   1034     /* All streams require output files */
   1035     if (!streami->config.out_fn)
   1036       fatal("Stream %d: Output file is required (specify with -o)",
   1037             streami->index);
   1038 
   1039     /* Check for two streams outputting to the same file */
   1040     if (streami != stream) {
   1041       const char *a = stream->config.out_fn;
   1042       const char *b = streami->config.out_fn;
   1043       if (!strcmp(a, b) && strcmp(a, "/dev/null") && strcmp(a, ":nul"))
   1044         fatal("Stream %d: duplicate output file (from stream %d)",
   1045               streami->index, stream->index);
   1046     }
   1047 
   1048     /* Check for two streams sharing a stats file. */
   1049     if (streami != stream) {
   1050       const char *a = stream->config.stats_fn;
   1051       const char *b = streami->config.stats_fn;
   1052       if (a && b && !strcmp(a, b))
   1053         fatal("Stream %d: duplicate stats file (from stream %d)",
   1054               streami->index, stream->index);
   1055     }
   1056   }
   1057 }
   1058 
   1059 
   1060 static void set_stream_dimensions(struct stream_state *stream,
   1061                                   unsigned int w,
   1062                                   unsigned int h) {
   1063   if (!stream->config.cfg.g_w) {
   1064     if (!stream->config.cfg.g_h)
   1065       stream->config.cfg.g_w = w;
   1066     else
   1067       stream->config.cfg.g_w = w * stream->config.cfg.g_h / h;
   1068   }
   1069   if (!stream->config.cfg.g_h) {
   1070     stream->config.cfg.g_h = h * stream->config.cfg.g_w / w;
   1071   }
   1072 }
   1073 
   1074 
   1075 static void set_default_kf_interval(struct stream_state *stream,
   1076                                     struct VpxEncoderConfig *global) {
   1077   /* Use a max keyframe interval of 5 seconds, if none was
   1078    * specified on the command line.
   1079    */
   1080   if (!stream->config.have_kf_max_dist) {
   1081     double framerate = (double)global->framerate.num / global->framerate.den;
   1082     if (framerate > 0.0)
   1083       stream->config.cfg.kf_max_dist = (unsigned int)(5.0 * framerate);
   1084   }
   1085 }
   1086 
   1087 
   1088 static void show_stream_config(struct stream_state *stream,
   1089                                struct VpxEncoderConfig *global,
   1090                                struct VpxInputContext *input) {
   1091 
   1092 #define SHOW(field) \
   1093   fprintf(stderr, "    %-28s = %d\n", #field, stream->config.cfg.field)
   1094 
   1095   if (stream->index == 0) {
   1096     fprintf(stderr, "Codec: %s\n",
   1097             vpx_codec_iface_name(global->codec->interface()));
   1098     fprintf(stderr, "Source file: %s Format: %s\n", input->filename,
   1099             input->use_i420 ? "I420" : "YV12");
   1100   }
   1101   if (stream->next || stream->index)
   1102     fprintf(stderr, "\nStream Index: %d\n", stream->index);
   1103   fprintf(stderr, "Destination file: %s\n", stream->config.out_fn);
   1104   fprintf(stderr, "Encoder parameters:\n");
   1105 
   1106   SHOW(g_usage);
   1107   SHOW(g_threads);
   1108   SHOW(g_profile);
   1109   SHOW(g_w);
   1110   SHOW(g_h);
   1111   SHOW(g_timebase.num);
   1112   SHOW(g_timebase.den);
   1113   SHOW(g_error_resilient);
   1114   SHOW(g_pass);
   1115   SHOW(g_lag_in_frames);
   1116   SHOW(rc_dropframe_thresh);
   1117   SHOW(rc_resize_allowed);
   1118   SHOW(rc_resize_up_thresh);
   1119   SHOW(rc_resize_down_thresh);
   1120   SHOW(rc_end_usage);
   1121   SHOW(rc_target_bitrate);
   1122   SHOW(rc_min_quantizer);
   1123   SHOW(rc_max_quantizer);
   1124   SHOW(rc_undershoot_pct);
   1125   SHOW(rc_overshoot_pct);
   1126   SHOW(rc_buf_sz);
   1127   SHOW(rc_buf_initial_sz);
   1128   SHOW(rc_buf_optimal_sz);
   1129   SHOW(rc_2pass_vbr_bias_pct);
   1130   SHOW(rc_2pass_vbr_minsection_pct);
   1131   SHOW(rc_2pass_vbr_maxsection_pct);
   1132   SHOW(kf_mode);
   1133   SHOW(kf_min_dist);
   1134   SHOW(kf_max_dist);
   1135 }
   1136 
   1137 
   1138 static void open_output_file(struct stream_state *stream,
   1139                              struct VpxEncoderConfig *global) {
   1140   const char *fn = stream->config.out_fn;
   1141   const struct vpx_codec_enc_cfg *const cfg = &stream->config.cfg;
   1142 
   1143   if (cfg->g_pass == VPX_RC_FIRST_PASS)
   1144     return;
   1145 
   1146   stream->file = strcmp(fn, "-") ? fopen(fn, "wb") : set_binary_mode(stdout);
   1147 
   1148   if (!stream->file)
   1149     fatal("Failed to open output file");
   1150 
   1151   if (stream->config.write_webm && fseek(stream->file, 0, SEEK_CUR))
   1152     fatal("WebM output to pipes not supported.");
   1153 
   1154 #if CONFIG_WEBM_IO
   1155   if (stream->config.write_webm) {
   1156     stream->ebml.stream = stream->file;
   1157     write_webm_file_header(&stream->ebml, cfg,
   1158                            &global->framerate,
   1159                            stream->config.stereo_fmt,
   1160                            global->codec->fourcc);
   1161   }
   1162 #endif
   1163 
   1164   if (!stream->config.write_webm) {
   1165     ivf_write_file_header(stream->file, cfg, global->codec->fourcc, 0);
   1166   }
   1167 }
   1168 
   1169 
   1170 static void close_output_file(struct stream_state *stream,
   1171                               unsigned int fourcc) {
   1172   const struct vpx_codec_enc_cfg *const cfg = &stream->config.cfg;
   1173 
   1174   if (cfg->g_pass == VPX_RC_FIRST_PASS)
   1175     return;
   1176 
   1177 #if CONFIG_WEBM_IO
   1178   if (stream->config.write_webm) {
   1179     write_webm_file_footer(&stream->ebml, stream->hash);
   1180     free(stream->ebml.cue_list);
   1181     stream->ebml.cue_list = NULL;
   1182   }
   1183 #endif
   1184 
   1185   if (!stream->config.write_webm) {
   1186     if (!fseek(stream->file, 0, SEEK_SET))
   1187       ivf_write_file_header(stream->file, &stream->config.cfg,
   1188                             fourcc,
   1189                             stream->frames_out);
   1190   }
   1191 
   1192   fclose(stream->file);
   1193 }
   1194 
   1195 
   1196 static void setup_pass(struct stream_state *stream,
   1197                        struct VpxEncoderConfig *global,
   1198                        int pass) {
   1199   if (stream->config.stats_fn) {
   1200     if (!stats_open_file(&stream->stats, stream->config.stats_fn,
   1201                          pass))
   1202       fatal("Failed to open statistics store");
   1203   } else {
   1204     if (!stats_open_mem(&stream->stats, pass))
   1205       fatal("Failed to open statistics store");
   1206   }
   1207 
   1208   stream->config.cfg.g_pass = global->passes == 2
   1209                               ? pass ? VPX_RC_LAST_PASS : VPX_RC_FIRST_PASS
   1210                             : VPX_RC_ONE_PASS;
   1211   if (pass)
   1212     stream->config.cfg.rc_twopass_stats_in = stats_get(&stream->stats);
   1213 
   1214   stream->cx_time = 0;
   1215   stream->nbytes = 0;
   1216   stream->frames_out = 0;
   1217 }
   1218 
   1219 
   1220 static void initialize_encoder(struct stream_state *stream,
   1221                                struct VpxEncoderConfig *global) {
   1222   int i;
   1223   int flags = 0;
   1224 
   1225   flags |= global->show_psnr ? VPX_CODEC_USE_PSNR : 0;
   1226   flags |= global->out_part ? VPX_CODEC_USE_OUTPUT_PARTITION : 0;
   1227 
   1228   /* Construct Encoder Context */
   1229   vpx_codec_enc_init(&stream->encoder, global->codec->interface(),
   1230                      &stream->config.cfg, flags);
   1231   ctx_exit_on_error(&stream->encoder, "Failed to initialize encoder");
   1232 
   1233   /* Note that we bypass the vpx_codec_control wrapper macro because
   1234    * we're being clever to store the control IDs in an array. Real
   1235    * applications will want to make use of the enumerations directly
   1236    */
   1237   for (i = 0; i < stream->config.arg_ctrl_cnt; i++) {
   1238     int ctrl = stream->config.arg_ctrls[i][0];
   1239     int value = stream->config.arg_ctrls[i][1];
   1240     if (vpx_codec_control_(&stream->encoder, ctrl, value))
   1241       fprintf(stderr, "Error: Tried to set control %d = %d\n",
   1242               ctrl, value);
   1243 
   1244     ctx_exit_on_error(&stream->encoder, "Failed to control codec");
   1245   }
   1246 
   1247 #if CONFIG_DECODERS
   1248   if (global->test_decode != TEST_DECODE_OFF) {
   1249     const VpxInterface *decoder = get_vpx_decoder_by_name(global->codec->name);
   1250     vpx_codec_dec_init(&stream->decoder, decoder->interface(), NULL, 0);
   1251   }
   1252 #endif
   1253 }
   1254 
   1255 
   1256 static void encode_frame(struct stream_state *stream,
   1257                          struct VpxEncoderConfig *global,
   1258                          struct vpx_image *img,
   1259                          unsigned int frames_in) {
   1260   vpx_codec_pts_t frame_start, next_frame_start;
   1261   struct vpx_codec_enc_cfg *cfg = &stream->config.cfg;
   1262   struct vpx_usec_timer timer;
   1263 
   1264   frame_start = (cfg->g_timebase.den * (int64_t)(frames_in - 1)
   1265                  * global->framerate.den)
   1266                 / cfg->g_timebase.num / global->framerate.num;
   1267   next_frame_start = (cfg->g_timebase.den * (int64_t)(frames_in)
   1268                       * global->framerate.den)
   1269                      / cfg->g_timebase.num / global->framerate.num;
   1270 
   1271   /* Scale if necessary */
   1272   if (img && (img->d_w != cfg->g_w || img->d_h != cfg->g_h)) {
   1273     if (!stream->img)
   1274       stream->img = vpx_img_alloc(NULL, VPX_IMG_FMT_I420,
   1275                                   cfg->g_w, cfg->g_h, 16);
   1276     I420Scale(img->planes[VPX_PLANE_Y], img->stride[VPX_PLANE_Y],
   1277               img->planes[VPX_PLANE_U], img->stride[VPX_PLANE_U],
   1278               img->planes[VPX_PLANE_V], img->stride[VPX_PLANE_V],
   1279               img->d_w, img->d_h,
   1280               stream->img->planes[VPX_PLANE_Y],
   1281               stream->img->stride[VPX_PLANE_Y],
   1282               stream->img->planes[VPX_PLANE_U],
   1283               stream->img->stride[VPX_PLANE_U],
   1284               stream->img->planes[VPX_PLANE_V],
   1285               stream->img->stride[VPX_PLANE_V],
   1286               stream->img->d_w, stream->img->d_h,
   1287               kFilterBox);
   1288 
   1289     img = stream->img;
   1290   }
   1291 
   1292   vpx_usec_timer_start(&timer);
   1293   vpx_codec_encode(&stream->encoder, img, frame_start,
   1294                    (unsigned long)(next_frame_start - frame_start),
   1295                    0, global->deadline);
   1296   vpx_usec_timer_mark(&timer);
   1297   stream->cx_time += vpx_usec_timer_elapsed(&timer);
   1298   ctx_exit_on_error(&stream->encoder, "Stream %d: Failed to encode frame",
   1299                     stream->index);
   1300 }
   1301 
   1302 
   1303 static void update_quantizer_histogram(struct stream_state *stream) {
   1304   if (stream->config.cfg.g_pass != VPX_RC_FIRST_PASS) {
   1305     int q;
   1306 
   1307     vpx_codec_control(&stream->encoder, VP8E_GET_LAST_QUANTIZER_64, &q);
   1308     ctx_exit_on_error(&stream->encoder, "Failed to read quantizer");
   1309     stream->counts[q]++;
   1310   }
   1311 }
   1312 
   1313 
   1314 static void get_cx_data(struct stream_state *stream,
   1315                         struct VpxEncoderConfig *global,
   1316                         int *got_data) {
   1317   const vpx_codec_cx_pkt_t *pkt;
   1318   const struct vpx_codec_enc_cfg *cfg = &stream->config.cfg;
   1319   vpx_codec_iter_t iter = NULL;
   1320 
   1321   *got_data = 0;
   1322   while ((pkt = vpx_codec_get_cx_data(&stream->encoder, &iter))) {
   1323     static size_t fsize = 0;
   1324     static off_t ivf_header_pos = 0;
   1325 
   1326     switch (pkt->kind) {
   1327       case VPX_CODEC_CX_FRAME_PKT:
   1328         if (!(pkt->data.frame.flags & VPX_FRAME_IS_FRAGMENT)) {
   1329           stream->frames_out++;
   1330         }
   1331         if (!global->quiet)
   1332           fprintf(stderr, " %6luF", (unsigned long)pkt->data.frame.sz);
   1333 
   1334         update_rate_histogram(stream->rate_hist, cfg, pkt);
   1335 #if CONFIG_WEBM_IO
   1336         if (stream->config.write_webm) {
   1337           /* Update the hash */
   1338           if (!stream->ebml.debug)
   1339             stream->hash = murmur(pkt->data.frame.buf,
   1340                                   (int)pkt->data.frame.sz,
   1341                                   stream->hash);
   1342 
   1343           write_webm_block(&stream->ebml, cfg, pkt);
   1344         }
   1345 #endif
   1346         if (!stream->config.write_webm) {
   1347           if (pkt->data.frame.partition_id <= 0) {
   1348             ivf_header_pos = ftello(stream->file);
   1349             fsize = pkt->data.frame.sz;
   1350 
   1351             ivf_write_frame_header(stream->file, pkt->data.frame.pts, fsize);
   1352           } else {
   1353             fsize += pkt->data.frame.sz;
   1354 
   1355             if (!(pkt->data.frame.flags & VPX_FRAME_IS_FRAGMENT)) {
   1356               off_t currpos = ftello(stream->file);
   1357               fseeko(stream->file, ivf_header_pos, SEEK_SET);
   1358               ivf_write_frame_size(stream->file, fsize);
   1359               fseeko(stream->file, currpos, SEEK_SET);
   1360             }
   1361           }
   1362 
   1363           (void) fwrite(pkt->data.frame.buf, 1, pkt->data.frame.sz,
   1364                         stream->file);
   1365         }
   1366         stream->nbytes += pkt->data.raw.sz;
   1367 
   1368         *got_data = 1;
   1369 #if CONFIG_DECODERS
   1370         if (global->test_decode != TEST_DECODE_OFF && !stream->mismatch_seen) {
   1371           vpx_codec_decode(&stream->decoder, pkt->data.frame.buf,
   1372                            (unsigned int)pkt->data.frame.sz, NULL, 0);
   1373           if (stream->decoder.err) {
   1374             warn_or_exit_on_error(&stream->decoder,
   1375                                   global->test_decode == TEST_DECODE_FATAL,
   1376                                   "Failed to decode frame %d in stream %d",
   1377                                   stream->frames_out + 1, stream->index);
   1378             stream->mismatch_seen = stream->frames_out + 1;
   1379           }
   1380         }
   1381 #endif
   1382         break;
   1383       case VPX_CODEC_STATS_PKT:
   1384         stream->frames_out++;
   1385         stats_write(&stream->stats,
   1386                     pkt->data.twopass_stats.buf,
   1387                     pkt->data.twopass_stats.sz);
   1388         stream->nbytes += pkt->data.raw.sz;
   1389         break;
   1390       case VPX_CODEC_PSNR_PKT:
   1391 
   1392         if (global->show_psnr) {
   1393           int i;
   1394 
   1395           stream->psnr_sse_total += pkt->data.psnr.sse[0];
   1396           stream->psnr_samples_total += pkt->data.psnr.samples[0];
   1397           for (i = 0; i < 4; i++) {
   1398             if (!global->quiet)
   1399               fprintf(stderr, "%.3f ", pkt->data.psnr.psnr[i]);
   1400             stream->psnr_totals[i] += pkt->data.psnr.psnr[i];
   1401           }
   1402           stream->psnr_count++;
   1403         }
   1404 
   1405         break;
   1406       default:
   1407         break;
   1408     }
   1409   }
   1410 }
   1411 
   1412 
   1413 static void show_psnr(struct stream_state  *stream) {
   1414   int i;
   1415   double ovpsnr;
   1416 
   1417   if (!stream->psnr_count)
   1418     return;
   1419 
   1420   fprintf(stderr, "Stream %d PSNR (Overall/Avg/Y/U/V)", stream->index);
   1421   ovpsnr = sse_to_psnr((double)stream->psnr_samples_total, 255.0,
   1422                        (double)stream->psnr_sse_total);
   1423   fprintf(stderr, " %.3f", ovpsnr);
   1424 
   1425   for (i = 0; i < 4; i++) {
   1426     fprintf(stderr, " %.3f", stream->psnr_totals[i] / stream->psnr_count);
   1427   }
   1428   fprintf(stderr, "\n");
   1429 }
   1430 
   1431 
   1432 static float usec_to_fps(uint64_t usec, unsigned int frames) {
   1433   return (float)(usec > 0 ? frames * 1000000.0 / (float)usec : 0);
   1434 }
   1435 
   1436 
   1437 static void test_decode(struct stream_state  *stream,
   1438                         enum TestDecodeFatality fatal,
   1439                         const VpxInterface *codec) {
   1440   vpx_image_t enc_img, dec_img;
   1441 
   1442   if (stream->mismatch_seen)
   1443     return;
   1444 
   1445   /* Get the internal reference frame */
   1446   if (strcmp(codec->name, "vp8") == 0) {
   1447     struct vpx_ref_frame ref_enc, ref_dec;
   1448     int width, height;
   1449 
   1450     width = (stream->config.cfg.g_w + 15) & ~15;
   1451     height = (stream->config.cfg.g_h + 15) & ~15;
   1452     vpx_img_alloc(&ref_enc.img, VPX_IMG_FMT_I420, width, height, 1);
   1453     enc_img = ref_enc.img;
   1454     vpx_img_alloc(&ref_dec.img, VPX_IMG_FMT_I420, width, height, 1);
   1455     dec_img = ref_dec.img;
   1456 
   1457     ref_enc.frame_type = VP8_LAST_FRAME;
   1458     ref_dec.frame_type = VP8_LAST_FRAME;
   1459     vpx_codec_control(&stream->encoder, VP8_COPY_REFERENCE, &ref_enc);
   1460     vpx_codec_control(&stream->decoder, VP8_COPY_REFERENCE, &ref_dec);
   1461   } else {
   1462     struct vp9_ref_frame ref;
   1463 
   1464     ref.idx = 0;
   1465     vpx_codec_control(&stream->encoder, VP9_GET_REFERENCE, &ref);
   1466     enc_img = ref.img;
   1467     vpx_codec_control(&stream->decoder, VP9_GET_REFERENCE, &ref);
   1468     dec_img = ref.img;
   1469   }
   1470   ctx_exit_on_error(&stream->encoder, "Failed to get encoder reference frame");
   1471   ctx_exit_on_error(&stream->decoder, "Failed to get decoder reference frame");
   1472 
   1473   if (!compare_img(&enc_img, &dec_img)) {
   1474     int y[4], u[4], v[4];
   1475     find_mismatch(&enc_img, &dec_img, y, u, v);
   1476     stream->decoder.err = 1;
   1477     warn_or_exit_on_error(&stream->decoder, fatal == TEST_DECODE_FATAL,
   1478                           "Stream %d: Encode/decode mismatch on frame %d at"
   1479                           " Y[%d, %d] {%d/%d},"
   1480                           " U[%d, %d] {%d/%d},"
   1481                           " V[%d, %d] {%d/%d}",
   1482                           stream->index, stream->frames_out,
   1483                           y[0], y[1], y[2], y[3],
   1484                           u[0], u[1], u[2], u[3],
   1485                           v[0], v[1], v[2], v[3]);
   1486     stream->mismatch_seen = stream->frames_out;
   1487   }
   1488 
   1489   vpx_img_free(&enc_img);
   1490   vpx_img_free(&dec_img);
   1491 }
   1492 
   1493 
   1494 static void print_time(const char *label, int64_t etl) {
   1495   int64_t hours;
   1496   int64_t mins;
   1497   int64_t secs;
   1498 
   1499   if (etl >= 0) {
   1500     hours = etl / 3600;
   1501     etl -= hours * 3600;
   1502     mins = etl / 60;
   1503     etl -= mins * 60;
   1504     secs = etl;
   1505 
   1506     fprintf(stderr, "[%3s %2"PRId64":%02"PRId64": % 02"PRId64"] ",
   1507             label, hours, mins, secs);
   1508   } else {
   1509     fprintf(stderr, "[%3s  unknown] ", label);
   1510   }
   1511 }
   1512 
   1513 
   1514 int main(int argc, const char **argv_) {
   1515   int pass;
   1516   vpx_image_t raw;
   1517   int frame_avail, got_data;
   1518 
   1519   struct VpxInputContext input = {0};
   1520   struct VpxEncoderConfig global;
   1521   struct stream_state *streams = NULL;
   1522   char **argv, **argi;
   1523   uint64_t cx_time = 0;
   1524   int stream_cnt = 0;
   1525   int res = 0;
   1526 
   1527   exec_name = argv_[0];
   1528 
   1529   if (argc < 3)
   1530     usage_exit();
   1531 
   1532   /* Setup default input stream settings */
   1533   input.framerate.numerator = 30;
   1534   input.framerate.denominator = 1;
   1535   input.use_i420 = 1;
   1536   input.only_i420 = 1;
   1537 
   1538   /* First parse the global configuration values, because we want to apply
   1539    * other parameters on top of the default configuration provided by the
   1540    * codec.
   1541    */
   1542   argv = argv_dup(argc - 1, argv_ + 1);
   1543   parse_global_config(&global, argv);
   1544 
   1545 
   1546   {
   1547     /* Now parse each stream's parameters. Using a local scope here
   1548      * due to the use of 'stream' as loop variable in FOREACH_STREAM
   1549      * loops
   1550      */
   1551     struct stream_state *stream = NULL;
   1552 
   1553     do {
   1554       stream = new_stream(&global, stream);
   1555       stream_cnt++;
   1556       if (!streams)
   1557         streams = stream;
   1558     } while (parse_stream_params(&global, stream, argv));
   1559   }
   1560 
   1561   /* Check for unrecognized options */
   1562   for (argi = argv; *argi; argi++)
   1563     if (argi[0][0] == '-' && argi[0][1])
   1564       die("Error: Unrecognized option %s\n", *argi);
   1565 
   1566   FOREACH_STREAM(check_encoder_config(global.disable_warning_prompt,
   1567                                       &global, &stream->config.cfg););
   1568 
   1569   /* Handle non-option arguments */
   1570   input.filename = argv[0];
   1571 
   1572   if (!input.filename)
   1573     usage_exit();
   1574 
   1575   /* Decide if other chroma subsamplings than 4:2:0 are supported */
   1576   if (global.codec->fourcc == VP9_FOURCC)
   1577     input.only_i420 = 0;
   1578 
   1579   for (pass = global.pass ? global.pass - 1 : 0; pass < global.passes; pass++) {
   1580     int frames_in = 0, seen_frames = 0;
   1581     int64_t estimated_time_left = -1;
   1582     int64_t average_rate = -1;
   1583     off_t lagged_count = 0;
   1584 
   1585     open_input_file(&input);
   1586 
   1587     /* If the input file doesn't specify its w/h (raw files), try to get
   1588      * the data from the first stream's configuration.
   1589      */
   1590     if (!input.width || !input.height)
   1591       FOREACH_STREAM( {
   1592       if (stream->config.cfg.g_w && stream->config.cfg.g_h) {
   1593         input.width = stream->config.cfg.g_w;
   1594         input.height = stream->config.cfg.g_h;
   1595         break;
   1596       }
   1597     });
   1598 
   1599     /* Update stream configurations from the input file's parameters */
   1600     if (!input.width || !input.height)
   1601       fatal("Specify stream dimensions with --width (-w) "
   1602             " and --height (-h)");
   1603     FOREACH_STREAM(set_stream_dimensions(stream, input.width, input.height));
   1604     FOREACH_STREAM(validate_stream_config(stream, &global));
   1605 
   1606     /* Ensure that --passes and --pass are consistent. If --pass is set and
   1607      * --passes=2, ensure --fpf was set.
   1608      */
   1609     if (global.pass && global.passes == 2)
   1610       FOREACH_STREAM( {
   1611       if (!stream->config.stats_fn)
   1612         die("Stream %d: Must specify --fpf when --pass=%d"
   1613         " and --passes=2\n", stream->index, global.pass);
   1614     });
   1615 
   1616 #if !CONFIG_WEBM_IO
   1617     FOREACH_STREAM({
   1618       stream->config.write_webm = 0;
   1619       warn("vpxenc was compiled without WebM container support."
   1620            "Producing IVF output");
   1621     });
   1622 #endif
   1623 
   1624     /* Use the frame rate from the file only if none was specified
   1625      * on the command-line.
   1626      */
   1627     if (!global.have_framerate) {
   1628       global.framerate.num = input.framerate.numerator;
   1629       global.framerate.den = input.framerate.denominator;
   1630     }
   1631 
   1632     FOREACH_STREAM(set_default_kf_interval(stream, &global));
   1633 
   1634     /* Show configuration */
   1635     if (global.verbose && pass == 0)
   1636       FOREACH_STREAM(show_stream_config(stream, &global, &input));
   1637 
   1638     if (pass == (global.pass ? global.pass - 1 : 0)) {
   1639       if (input.file_type == FILE_TYPE_Y4M)
   1640         /*The Y4M reader does its own allocation.
   1641           Just initialize this here to avoid problems if we never read any
   1642            frames.*/
   1643         memset(&raw, 0, sizeof(raw));
   1644       else
   1645         vpx_img_alloc(&raw,
   1646                       input.use_i420 ? VPX_IMG_FMT_I420
   1647                       : VPX_IMG_FMT_YV12,
   1648                       input.width, input.height, 32);
   1649 
   1650       FOREACH_STREAM(stream->rate_hist =
   1651                          init_rate_histogram(&stream->config.cfg,
   1652                                              &global.framerate));
   1653     }
   1654 
   1655     FOREACH_STREAM(setup_pass(stream, &global, pass));
   1656     FOREACH_STREAM(open_output_file(stream, &global));
   1657     FOREACH_STREAM(initialize_encoder(stream, &global));
   1658 
   1659     frame_avail = 1;
   1660     got_data = 0;
   1661 
   1662     while (frame_avail || got_data) {
   1663       struct vpx_usec_timer timer;
   1664 
   1665       if (!global.limit || frames_in < global.limit) {
   1666         frame_avail = read_frame(&input, &raw);
   1667 
   1668         if (frame_avail)
   1669           frames_in++;
   1670         seen_frames = frames_in > global.skip_frames ?
   1671                           frames_in - global.skip_frames : 0;
   1672 
   1673         if (!global.quiet) {
   1674           float fps = usec_to_fps(cx_time, seen_frames);
   1675           fprintf(stderr, "\rPass %d/%d ", pass + 1, global.passes);
   1676 
   1677           if (stream_cnt == 1)
   1678             fprintf(stderr,
   1679                     "frame %4d/%-4d %7"PRId64"B ",
   1680                     frames_in, streams->frames_out, (int64_t)streams->nbytes);
   1681           else
   1682             fprintf(stderr, "frame %4d ", frames_in);
   1683 
   1684           fprintf(stderr, "%7"PRId64" %s %.2f %s ",
   1685                   cx_time > 9999999 ? cx_time / 1000 : cx_time,
   1686                   cx_time > 9999999 ? "ms" : "us",
   1687                   fps >= 1.0 ? fps : fps * 60,
   1688                   fps >= 1.0 ? "fps" : "fpm");
   1689           print_time("ETA", estimated_time_left);
   1690           fprintf(stderr, "\033[K");
   1691         }
   1692 
   1693       } else
   1694         frame_avail = 0;
   1695 
   1696       if (frames_in > global.skip_frames) {
   1697         vpx_usec_timer_start(&timer);
   1698         FOREACH_STREAM(encode_frame(stream, &global,
   1699                                     frame_avail ? &raw : NULL,
   1700                                     frames_in));
   1701         vpx_usec_timer_mark(&timer);
   1702         cx_time += vpx_usec_timer_elapsed(&timer);
   1703 
   1704         FOREACH_STREAM(update_quantizer_histogram(stream));
   1705 
   1706         got_data = 0;
   1707         FOREACH_STREAM(get_cx_data(stream, &global, &got_data));
   1708 
   1709         if (!got_data && input.length && !streams->frames_out) {
   1710           lagged_count = global.limit ? seen_frames : ftello(input.file);
   1711         } else if (input.length) {
   1712           int64_t remaining;
   1713           int64_t rate;
   1714 
   1715           if (global.limit) {
   1716             off_t frame_in_lagged = (seen_frames - lagged_count) * 1000;
   1717 
   1718             rate = cx_time ? frame_in_lagged * (int64_t)1000000 / cx_time : 0;
   1719             remaining = 1000 * (global.limit - global.skip_frames
   1720                                 - seen_frames + lagged_count);
   1721           } else {
   1722             off_t input_pos = ftello(input.file);
   1723             off_t input_pos_lagged = input_pos - lagged_count;
   1724             int64_t limit = input.length;
   1725 
   1726             rate = cx_time ? input_pos_lagged * (int64_t)1000000 / cx_time : 0;
   1727             remaining = limit - input_pos + lagged_count;
   1728           }
   1729 
   1730           average_rate = (average_rate <= 0)
   1731               ? rate
   1732               : (average_rate * 7 + rate) / 8;
   1733           estimated_time_left = average_rate ? remaining / average_rate : -1;
   1734         }
   1735 
   1736         if (got_data && global.test_decode != TEST_DECODE_OFF)
   1737           FOREACH_STREAM(test_decode(stream, global.test_decode, global.codec));
   1738       }
   1739 
   1740       fflush(stdout);
   1741     }
   1742 
   1743     if (stream_cnt > 1)
   1744       fprintf(stderr, "\n");
   1745 
   1746     if (!global.quiet)
   1747       FOREACH_STREAM(fprintf(
   1748                        stderr,
   1749                        "\rPass %d/%d frame %4d/%-4d %7"PRId64"B %7lub/f %7"PRId64"b/s"
   1750                        " %7"PRId64" %s (%.2f fps)\033[K\n", pass + 1,
   1751                        global.passes, frames_in, stream->frames_out, (int64_t)stream->nbytes,
   1752                        seen_frames ? (unsigned long)(stream->nbytes * 8 / seen_frames) : 0,
   1753                        seen_frames ? (int64_t)stream->nbytes * 8
   1754                        * (int64_t)global.framerate.num / global.framerate.den
   1755                        / seen_frames
   1756                        : 0,
   1757                        stream->cx_time > 9999999 ? stream->cx_time / 1000 : stream->cx_time,
   1758                        stream->cx_time > 9999999 ? "ms" : "us",
   1759                        usec_to_fps(stream->cx_time, seen_frames));
   1760                     );
   1761 
   1762     if (global.show_psnr)
   1763       FOREACH_STREAM(show_psnr(stream));
   1764 
   1765     FOREACH_STREAM(vpx_codec_destroy(&stream->encoder));
   1766 
   1767     if (global.test_decode != TEST_DECODE_OFF) {
   1768       FOREACH_STREAM(vpx_codec_destroy(&stream->decoder));
   1769     }
   1770 
   1771     close_input_file(&input);
   1772 
   1773     if (global.test_decode == TEST_DECODE_FATAL) {
   1774       FOREACH_STREAM(res |= stream->mismatch_seen);
   1775     }
   1776     FOREACH_STREAM(close_output_file(stream, global.codec->fourcc));
   1777 
   1778     FOREACH_STREAM(stats_close(&stream->stats, global.passes - 1));
   1779 
   1780     if (global.pass)
   1781       break;
   1782   }
   1783 
   1784   if (global.show_q_hist_buckets)
   1785     FOREACH_STREAM(show_q_histogram(stream->counts,
   1786                                     global.show_q_hist_buckets));
   1787 
   1788   if (global.show_rate_hist_buckets)
   1789     FOREACH_STREAM(show_rate_histogram(stream->rate_hist,
   1790                                        &stream->config.cfg,
   1791                                        global.show_rate_hist_buckets));
   1792   FOREACH_STREAM(destroy_rate_histogram(stream->rate_hist));
   1793 
   1794 #if CONFIG_INTERNAL_STATS
   1795   /* TODO(jkoleszar): This doesn't belong in this executable. Do it for now,
   1796    * to match some existing utilities.
   1797    */
   1798   if (!(global.pass == 1 && global.passes == 2))
   1799     FOREACH_STREAM({
   1800       FILE *f = fopen("opsnr.stt", "a");
   1801       if (stream->mismatch_seen) {
   1802         fprintf(f, "First mismatch occurred in frame %d\n",
   1803                 stream->mismatch_seen);
   1804       } else {
   1805         fprintf(f, "No mismatch detected in recon buffers\n");
   1806       }
   1807       fclose(f);
   1808     });
   1809 #endif
   1810 
   1811   vpx_img_free(&raw);
   1812   free(argv);
   1813   free(streams);
   1814   return res ? EXIT_FAILURE : EXIT_SUCCESS;
   1815 }
   1816