Home | History | Annotate | Download | only in libvpx
      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 #if CONFIG_LIBYUV
     23 #include "third_party/libyuv/include/libyuv/scale.h"
     24 #endif
     25 
     26 #include "vpx/vpx_encoder.h"
     27 #if CONFIG_DECODERS
     28 #include "vpx/vpx_decoder.h"
     29 #endif
     30 
     31 #include "./args.h"
     32 #include "./ivfenc.h"
     33 #include "./tools_common.h"
     34 
     35 #if CONFIG_VP8_ENCODER || CONFIG_VP9_ENCODER
     36 #include "vpx/vp8cx.h"
     37 #endif
     38 #if CONFIG_VP8_DECODER || CONFIG_VP9_DECODER
     39 #include "vpx/vp8dx.h"
     40 #endif
     41 
     42 #include "vpx/vpx_integer.h"
     43 #include "vpx_ports/mem_ops.h"
     44 #include "vpx_ports/vpx_timer.h"
     45 #include "./rate_hist.h"
     46 #include "./vpxstats.h"
     47 #include "./warnings.h"
     48 #if CONFIG_WEBM_IO
     49 #include "./webmenc.h"
     50 #endif
     51 #include "./y4minput.h"
     52 
     53 /* Swallow warnings about unused results of fread/fwrite */
     54 static size_t wrap_fread(void *ptr, size_t size, size_t nmemb,
     55                          FILE *stream) {
     56   return fread(ptr, size, nmemb, stream);
     57 }
     58 #define fread wrap_fread
     59 
     60 static size_t wrap_fwrite(const void *ptr, size_t size, size_t nmemb,
     61                           FILE *stream) {
     62   return fwrite(ptr, size, nmemb, stream);
     63 }
     64 #define fwrite wrap_fwrite
     65 
     66 
     67 static const char *exec_name;
     68 
     69 static void warn_or_exit_on_errorv(vpx_codec_ctx_t *ctx, int fatal,
     70                                    const char *s, va_list ap) {
     71   if (ctx->err) {
     72     const char *detail = vpx_codec_error_detail(ctx);
     73 
     74     vfprintf(stderr, s, ap);
     75     fprintf(stderr, ": %s\n", vpx_codec_error(ctx));
     76 
     77     if (detail)
     78       fprintf(stderr, "    %s\n", detail);
     79 
     80     if (fatal)
     81       exit(EXIT_FAILURE);
     82   }
     83 }
     84 
     85 static void ctx_exit_on_error(vpx_codec_ctx_t *ctx, const char *s, ...) {
     86   va_list ap;
     87 
     88   va_start(ap, s);
     89   warn_or_exit_on_errorv(ctx, 1, s, ap);
     90   va_end(ap);
     91 }
     92 
     93 static void warn_or_exit_on_error(vpx_codec_ctx_t *ctx, int fatal,
     94                                   const char *s, ...) {
     95   va_list ap;
     96 
     97   va_start(ap, s);
     98   warn_or_exit_on_errorv(ctx, fatal, s, ap);
     99   va_end(ap);
    100 }
    101 
    102 int read_frame(struct VpxInputContext *input_ctx, vpx_image_t *img) {
    103   FILE *f = input_ctx->file;
    104   y4m_input *y4m = &input_ctx->y4m;
    105   int shortread = 0;
    106 
    107   if (input_ctx->file_type == FILE_TYPE_Y4M) {
    108     if (y4m_input_fetch_frame(y4m, f, img) < 1)
    109       return 0;
    110   } else {
    111     shortread = read_yuv_frame(input_ctx, img);
    112   }
    113 
    114   return !shortread;
    115 }
    116 
    117 int file_is_y4m(const char detect[4]) {
    118   if (memcmp(detect, "YUV4", 4) == 0) {
    119     return 1;
    120   }
    121   return 0;
    122 }
    123 
    124 int fourcc_is_ivf(const char detect[4]) {
    125   if (memcmp(detect, "DKIF", 4) == 0) {
    126     return 1;
    127   }
    128   return 0;
    129 }
    130 
    131 static const arg_def_t debugmode = ARG_DEF("D", "debug", 0,
    132                                            "Debug mode (makes output deterministic)");
    133 static const arg_def_t outputfile = ARG_DEF("o", "output", 1,
    134                                             "Output filename");
    135 static const arg_def_t use_yv12 = ARG_DEF(NULL, "yv12", 0,
    136                                           "Input file is YV12 ");
    137 static const arg_def_t use_i420 = ARG_DEF(NULL, "i420", 0,
    138                                           "Input file is I420 (default)");
    139 static const arg_def_t use_i422 = ARG_DEF(NULL, "i422", 0,
    140                                           "Input file is I422");
    141 static const arg_def_t use_i444 = ARG_DEF(NULL, "i444", 0,
    142                                           "Input file is I444");
    143 static const arg_def_t codecarg = ARG_DEF(NULL, "codec", 1,
    144                                           "Codec to use");
    145 static const arg_def_t passes           = ARG_DEF("p", "passes", 1,
    146                                                   "Number of passes (1/2)");
    147 static const arg_def_t pass_arg         = ARG_DEF(NULL, "pass", 1,
    148                                                   "Pass to execute (1/2)");
    149 static const arg_def_t fpf_name         = ARG_DEF(NULL, "fpf", 1,
    150                                                   "First pass statistics file name");
    151 #if CONFIG_FP_MB_STATS
    152 static const arg_def_t fpmbf_name         = ARG_DEF(NULL, "fpmbf", 1,
    153                                       "First pass block statistics file name");
    154 #endif
    155 static const arg_def_t limit = ARG_DEF(NULL, "limit", 1,
    156                                        "Stop encoding after n input frames");
    157 static const arg_def_t skip = ARG_DEF(NULL, "skip", 1,
    158                                       "Skip the first n input frames");
    159 static const arg_def_t deadline         = ARG_DEF("d", "deadline", 1,
    160                                                   "Deadline per frame (usec)");
    161 static const arg_def_t best_dl          = ARG_DEF(NULL, "best", 0,
    162                                                   "Use Best Quality Deadline");
    163 static const arg_def_t good_dl          = ARG_DEF(NULL, "good", 0,
    164                                                   "Use Good Quality Deadline");
    165 static const arg_def_t rt_dl            = ARG_DEF(NULL, "rt", 0,
    166                                                   "Use Realtime Quality Deadline");
    167 static const arg_def_t quietarg         = ARG_DEF("q", "quiet", 0,
    168                                                   "Do not print encode progress");
    169 static const arg_def_t verbosearg       = ARG_DEF("v", "verbose", 0,
    170                                                   "Show encoder parameters");
    171 static const arg_def_t psnrarg          = ARG_DEF(NULL, "psnr", 0,
    172                                                   "Show PSNR in status line");
    173 
    174 static const struct arg_enum_list test_decode_enum[] = {
    175   {"off",   TEST_DECODE_OFF},
    176   {"fatal", TEST_DECODE_FATAL},
    177   {"warn",  TEST_DECODE_WARN},
    178   {NULL, 0}
    179 };
    180 static const arg_def_t recontest = ARG_DEF_ENUM(NULL, "test-decode", 1,
    181                                                 "Test encode/decode mismatch",
    182                                                 test_decode_enum);
    183 static const arg_def_t framerate        = ARG_DEF(NULL, "fps", 1,
    184                                                   "Stream frame rate (rate/scale)");
    185 static const arg_def_t use_ivf          = ARG_DEF(NULL, "ivf", 0,
    186                                                   "Output IVF (default is WebM if WebM IO is enabled)");
    187 static const arg_def_t out_part = ARG_DEF("P", "output-partitions", 0,
    188                                           "Makes encoder output partitions. Requires IVF output!");
    189 static const arg_def_t q_hist_n         = ARG_DEF(NULL, "q-hist", 1,
    190                                                   "Show quantizer histogram (n-buckets)");
    191 static const arg_def_t rate_hist_n         = ARG_DEF(NULL, "rate-hist", 1,
    192                                                      "Show rate histogram (n-buckets)");
    193 static const arg_def_t disable_warnings =
    194     ARG_DEF(NULL, "disable-warnings", 0,
    195             "Disable warnings about potentially incorrect encode settings.");
    196 static const arg_def_t disable_warning_prompt =
    197     ARG_DEF("y", "disable-warning-prompt", 0,
    198             "Display warnings, but do not prompt user to continue.");
    199 static const arg_def_t experimental_bitstream =
    200     ARG_DEF(NULL, "experimental-bitstream", 0,
    201             "Allow experimental bitstream features.");
    202 
    203 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
    204 static const arg_def_t test16bitinternalarg = ARG_DEF(
    205     NULL, "test-16bit-internal", 0, "Force use of 16 bit internal buffer");
    206 #endif
    207 
    208 static const arg_def_t *main_args[] = {
    209   &debugmode,
    210   &outputfile, &codecarg, &passes, &pass_arg, &fpf_name, &limit, &skip,
    211   &deadline, &best_dl, &good_dl, &rt_dl,
    212   &quietarg, &verbosearg, &psnrarg, &use_ivf, &out_part, &q_hist_n,
    213   &rate_hist_n, &disable_warnings, &disable_warning_prompt,
    214   NULL
    215 };
    216 
    217 static const arg_def_t usage            = ARG_DEF("u", "usage", 1,
    218                                                   "Usage profile number to use");
    219 static const arg_def_t threads          = ARG_DEF("t", "threads", 1,
    220                                                   "Max number of threads to use");
    221 static const arg_def_t profile          = ARG_DEF(NULL, "profile", 1,
    222                                                   "Bitstream profile number to use");
    223 static const arg_def_t width            = ARG_DEF("w", "width", 1,
    224                                                   "Frame width");
    225 static const arg_def_t height           = ARG_DEF("h", "height", 1,
    226                                                   "Frame height");
    227 #if CONFIG_WEBM_IO
    228 static const struct arg_enum_list stereo_mode_enum[] = {
    229   {"mono", STEREO_FORMAT_MONO},
    230   {"left-right", STEREO_FORMAT_LEFT_RIGHT},
    231   {"bottom-top", STEREO_FORMAT_BOTTOM_TOP},
    232   {"top-bottom", STEREO_FORMAT_TOP_BOTTOM},
    233   {"right-left", STEREO_FORMAT_RIGHT_LEFT},
    234   {NULL, 0}
    235 };
    236 static const arg_def_t stereo_mode      = ARG_DEF_ENUM(NULL, "stereo-mode", 1,
    237                                                        "Stereo 3D video format", stereo_mode_enum);
    238 #endif
    239 static const arg_def_t timebase         = ARG_DEF(NULL, "timebase", 1,
    240                                                   "Output timestamp precision (fractional seconds)");
    241 static const arg_def_t error_resilient  = ARG_DEF(NULL, "error-resilient", 1,
    242                                                   "Enable error resiliency features");
    243 static const arg_def_t lag_in_frames    = ARG_DEF(NULL, "lag-in-frames", 1,
    244                                                   "Max number of frames to lag");
    245 
    246 static const arg_def_t *global_args[] = {
    247   &use_yv12, &use_i420, &use_i422, &use_i444,
    248   &usage, &threads, &profile,
    249   &width, &height,
    250 #if CONFIG_WEBM_IO
    251   &stereo_mode,
    252 #endif
    253   &timebase, &framerate,
    254   &error_resilient,
    255 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
    256   &test16bitinternalarg,
    257 #endif
    258   &lag_in_frames, NULL
    259 };
    260 
    261 static const arg_def_t dropframe_thresh   = ARG_DEF(NULL, "drop-frame", 1,
    262                                                     "Temporal resampling threshold (buf %)");
    263 static const arg_def_t resize_allowed     = ARG_DEF(NULL, "resize-allowed", 1,
    264                                                     "Spatial resampling enabled (bool)");
    265 static const arg_def_t resize_width       = ARG_DEF(NULL, "resize-width", 1,
    266                                                     "Width of encoded frame");
    267 static const arg_def_t resize_height      = ARG_DEF(NULL, "resize-height", 1,
    268                                                     "Height of encoded frame");
    269 static const arg_def_t resize_up_thresh   = ARG_DEF(NULL, "resize-up", 1,
    270                                                     "Upscale threshold (buf %)");
    271 static const arg_def_t resize_down_thresh = ARG_DEF(NULL, "resize-down", 1,
    272                                                     "Downscale threshold (buf %)");
    273 static const struct arg_enum_list end_usage_enum[] = {
    274   {"vbr", VPX_VBR},
    275   {"cbr", VPX_CBR},
    276   {"cq",  VPX_CQ},
    277   {"q",   VPX_Q},
    278   {NULL, 0}
    279 };
    280 static const arg_def_t end_usage          = ARG_DEF_ENUM(NULL, "end-usage", 1,
    281                                                          "Rate control mode", end_usage_enum);
    282 static const arg_def_t target_bitrate     = ARG_DEF(NULL, "target-bitrate", 1,
    283                                                     "Bitrate (kbps)");
    284 static const arg_def_t min_quantizer      = ARG_DEF(NULL, "min-q", 1,
    285                                                     "Minimum (best) quantizer");
    286 static const arg_def_t max_quantizer      = ARG_DEF(NULL, "max-q", 1,
    287                                                     "Maximum (worst) quantizer");
    288 static const arg_def_t undershoot_pct     = ARG_DEF(NULL, "undershoot-pct", 1,
    289                                                     "Datarate undershoot (min) target (%)");
    290 static const arg_def_t overshoot_pct      = ARG_DEF(NULL, "overshoot-pct", 1,
    291                                                     "Datarate overshoot (max) target (%)");
    292 static const arg_def_t buf_sz             = ARG_DEF(NULL, "buf-sz", 1,
    293                                                     "Client buffer size (ms)");
    294 static const arg_def_t buf_initial_sz     = ARG_DEF(NULL, "buf-initial-sz", 1,
    295                                                     "Client initial buffer size (ms)");
    296 static const arg_def_t buf_optimal_sz     = ARG_DEF(NULL, "buf-optimal-sz", 1,
    297                                                     "Client optimal buffer size (ms)");
    298 static const arg_def_t *rc_args[] = {
    299   &dropframe_thresh, &resize_allowed, &resize_width, &resize_height,
    300   &resize_up_thresh, &resize_down_thresh, &end_usage, &target_bitrate,
    301   &min_quantizer, &max_quantizer, &undershoot_pct, &overshoot_pct, &buf_sz,
    302   &buf_initial_sz, &buf_optimal_sz, NULL
    303 };
    304 
    305 
    306 static const arg_def_t bias_pct = ARG_DEF(NULL, "bias-pct", 1,
    307                                           "CBR/VBR bias (0=CBR, 100=VBR)");
    308 static const arg_def_t minsection_pct = ARG_DEF(NULL, "minsection-pct", 1,
    309                                                 "GOP min bitrate (% of target)");
    310 static const arg_def_t maxsection_pct = ARG_DEF(NULL, "maxsection-pct", 1,
    311                                                 "GOP max bitrate (% of target)");
    312 static const arg_def_t *rc_twopass_args[] = {
    313   &bias_pct, &minsection_pct, &maxsection_pct, NULL
    314 };
    315 
    316 
    317 static const arg_def_t kf_min_dist = ARG_DEF(NULL, "kf-min-dist", 1,
    318                                              "Minimum keyframe interval (frames)");
    319 static const arg_def_t kf_max_dist = ARG_DEF(NULL, "kf-max-dist", 1,
    320                                              "Maximum keyframe interval (frames)");
    321 static const arg_def_t kf_disabled = ARG_DEF(NULL, "disable-kf", 0,
    322                                              "Disable keyframe placement");
    323 static const arg_def_t *kf_args[] = {
    324   &kf_min_dist, &kf_max_dist, &kf_disabled, NULL
    325 };
    326 
    327 
    328 static const arg_def_t noise_sens = ARG_DEF(NULL, "noise-sensitivity", 1,
    329                                             "Noise sensitivity (frames to blur)");
    330 static const arg_def_t sharpness = ARG_DEF(NULL, "sharpness", 1,
    331                                            "Loop filter sharpness (0..7)");
    332 static const arg_def_t static_thresh = ARG_DEF(NULL, "static-thresh", 1,
    333                                                "Motion detection threshold");
    334 static const arg_def_t cpu_used = ARG_DEF(NULL, "cpu-used", 1,
    335                                           "CPU Used (-16..16)");
    336 static const arg_def_t auto_altref = ARG_DEF(NULL, "auto-alt-ref", 1,
    337                                              "Enable automatic alt reference frames");
    338 static const arg_def_t arnr_maxframes = ARG_DEF(NULL, "arnr-maxframes", 1,
    339                                                 "AltRef max frames (0..15)");
    340 static const arg_def_t arnr_strength = ARG_DEF(NULL, "arnr-strength", 1,
    341                                                "AltRef filter strength (0..6)");
    342 static const arg_def_t arnr_type = ARG_DEF(NULL, "arnr-type", 1,
    343                                            "AltRef type");
    344 static const struct arg_enum_list tuning_enum[] = {
    345   {"psnr", VP8_TUNE_PSNR},
    346   {"ssim", VP8_TUNE_SSIM},
    347   {NULL, 0}
    348 };
    349 static const arg_def_t tune_ssim = ARG_DEF_ENUM(NULL, "tune", 1,
    350                                                 "Material to favor", tuning_enum);
    351 static const arg_def_t cq_level = ARG_DEF(NULL, "cq-level", 1,
    352                                           "Constant/Constrained Quality level");
    353 static const arg_def_t max_intra_rate_pct = ARG_DEF(NULL, "max-intra-rate", 1,
    354                                                     "Max I-frame bitrate (pct)");
    355 
    356 #if CONFIG_VP8_ENCODER
    357 static const arg_def_t token_parts =
    358     ARG_DEF(NULL, "token-parts", 1, "Number of token partitions to use, log2");
    359 static const arg_def_t *vp8_args[] = {
    360   &cpu_used, &auto_altref, &noise_sens, &sharpness, &static_thresh,
    361   &token_parts, &arnr_maxframes, &arnr_strength, &arnr_type,
    362   &tune_ssim, &cq_level, &max_intra_rate_pct,
    363   NULL
    364 };
    365 static const int vp8_arg_ctrl_map[] = {
    366   VP8E_SET_CPUUSED, VP8E_SET_ENABLEAUTOALTREF,
    367   VP8E_SET_NOISE_SENSITIVITY, VP8E_SET_SHARPNESS, VP8E_SET_STATIC_THRESHOLD,
    368   VP8E_SET_TOKEN_PARTITIONS,
    369   VP8E_SET_ARNR_MAXFRAMES, VP8E_SET_ARNR_STRENGTH, VP8E_SET_ARNR_TYPE,
    370   VP8E_SET_TUNING, VP8E_SET_CQ_LEVEL, VP8E_SET_MAX_INTRA_BITRATE_PCT,
    371   0
    372 };
    373 #endif
    374 
    375 #if CONFIG_VP9_ENCODER
    376 static const arg_def_t tile_cols =
    377     ARG_DEF(NULL, "tile-columns", 1, "Number of tile columns to use, log2");
    378 static const arg_def_t tile_rows =
    379     ARG_DEF(NULL, "tile-rows", 1, "Number of tile rows to use, log2");
    380 static const arg_def_t lossless = ARG_DEF(NULL, "lossless", 1, "Lossless mode");
    381 static const arg_def_t frame_parallel_decoding = ARG_DEF(
    382     NULL, "frame-parallel", 1, "Enable frame parallel decodability features");
    383 static const arg_def_t aq_mode = ARG_DEF(
    384     NULL, "aq-mode", 1,
    385     "Adaptive quantization mode (0: off (default), 1: variance 2: complexity, "
    386     "3: cyclic refresh)");
    387 static const arg_def_t frame_periodic_boost = ARG_DEF(
    388     NULL, "frame-boost", 1,
    389     "Enable frame periodic boost (0: off (default), 1: on)");
    390 
    391 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
    392 static const struct arg_enum_list bitdepth_enum[] = {
    393   {"8",  VPX_BITS_8},
    394   {"10", VPX_BITS_10},
    395   {"12", VPX_BITS_12},
    396   {NULL, 0}
    397 };
    398 
    399 static const arg_def_t bitdeptharg   = ARG_DEF_ENUM("b", "bit-depth", 1,
    400                                                     "Bit depth for codec "
    401                                                     "(8 for version <=1, "
    402                                                     "10 or 12 for version 2)",
    403                                                     bitdepth_enum);
    404 static const arg_def_t inbitdeptharg = ARG_DEF(NULL, "input-bit-depth", 1,
    405                                                "Bit depth of input");
    406 #endif
    407 
    408 static const struct arg_enum_list tune_content_enum[] = {
    409   {"default", VP9E_CONTENT_DEFAULT},
    410   {"screen", VP9E_CONTENT_SCREEN},
    411   {NULL, 0}
    412 };
    413 
    414 static const arg_def_t tune_content = ARG_DEF_ENUM(
    415     NULL, "tune-content", 1, "Tune content type", tune_content_enum);
    416 
    417 static const arg_def_t *vp9_args[] = {
    418   &cpu_used, &auto_altref, &sharpness, &static_thresh,
    419   &tile_cols, &tile_rows, &arnr_maxframes, &arnr_strength, &arnr_type,
    420   &tune_ssim, &cq_level, &max_intra_rate_pct, &lossless,
    421   &frame_parallel_decoding, &aq_mode, &frame_periodic_boost,
    422   &noise_sens, &tune_content,
    423 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
    424   &bitdeptharg, &inbitdeptharg,
    425 #endif
    426   NULL
    427 };
    428 static const int vp9_arg_ctrl_map[] = {
    429   VP8E_SET_CPUUSED, VP8E_SET_ENABLEAUTOALTREF,
    430   VP8E_SET_SHARPNESS, VP8E_SET_STATIC_THRESHOLD,
    431   VP9E_SET_TILE_COLUMNS, VP9E_SET_TILE_ROWS,
    432   VP8E_SET_ARNR_MAXFRAMES, VP8E_SET_ARNR_STRENGTH, VP8E_SET_ARNR_TYPE,
    433   VP8E_SET_TUNING, VP8E_SET_CQ_LEVEL, VP8E_SET_MAX_INTRA_BITRATE_PCT,
    434   VP9E_SET_LOSSLESS, VP9E_SET_FRAME_PARALLEL_DECODING, VP9E_SET_AQ_MODE,
    435   VP9E_SET_FRAME_PERIODIC_BOOST, VP9E_SET_NOISE_SENSITIVITY,
    436   VP9E_SET_TUNE_CONTENT,
    437   0
    438 };
    439 #endif
    440 
    441 static const arg_def_t *no_args[] = { NULL };
    442 
    443 void usage_exit() {
    444   int i;
    445 
    446   fprintf(stderr, "Usage: %s <options> -o dst_filename src_filename \n",
    447           exec_name);
    448 
    449   fprintf(stderr, "\nOptions:\n");
    450   arg_show_usage(stderr, main_args);
    451   fprintf(stderr, "\nEncoder Global Options:\n");
    452   arg_show_usage(stderr, global_args);
    453   fprintf(stderr, "\nRate Control Options:\n");
    454   arg_show_usage(stderr, rc_args);
    455   fprintf(stderr, "\nTwopass Rate Control Options:\n");
    456   arg_show_usage(stderr, rc_twopass_args);
    457   fprintf(stderr, "\nKeyframe Placement Options:\n");
    458   arg_show_usage(stderr, kf_args);
    459 #if CONFIG_VP8_ENCODER
    460   fprintf(stderr, "\nVP8 Specific Options:\n");
    461   arg_show_usage(stderr, vp8_args);
    462 #endif
    463 #if CONFIG_VP9_ENCODER
    464   fprintf(stderr, "\nVP9 Specific Options:\n");
    465   arg_show_usage(stderr, vp9_args);
    466 #endif
    467   fprintf(stderr, "\nStream timebase (--timebase):\n"
    468           "  The desired precision of timestamps in the output, expressed\n"
    469           "  in fractional seconds. Default is 1/1000.\n");
    470   fprintf(stderr, "\nIncluded encoders:\n\n");
    471 
    472   for (i = 0; i < get_vpx_encoder_count(); ++i) {
    473     const VpxInterface *const encoder = get_vpx_encoder_by_index(i);
    474     fprintf(stderr, "    %-6s - %s\n",
    475             encoder->name, vpx_codec_iface_name(encoder->codec_interface()));
    476   }
    477 
    478   exit(EXIT_FAILURE);
    479 }
    480 
    481 #define mmin(a, b)  ((a) < (b) ? (a) : (b))
    482 
    483 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
    484 static void find_mismatch_high(const vpx_image_t *const img1,
    485                                const vpx_image_t *const img2,
    486                                int yloc[4], int uloc[4], int vloc[4]) {
    487   uint16_t *plane1, *plane2;
    488   uint32_t stride1, stride2;
    489   const uint32_t bsize = 64;
    490   const uint32_t bsizey = bsize >> img1->y_chroma_shift;
    491   const uint32_t bsizex = bsize >> img1->x_chroma_shift;
    492   const uint32_t c_w =
    493       (img1->d_w + img1->x_chroma_shift) >> img1->x_chroma_shift;
    494   const uint32_t c_h =
    495       (img1->d_h + img1->y_chroma_shift) >> img1->y_chroma_shift;
    496   int match = 1;
    497   uint32_t i, j;
    498   yloc[0] = yloc[1] = yloc[2] = yloc[3] = -1;
    499   plane1 = (uint16_t*)img1->planes[VPX_PLANE_Y];
    500   plane2 = (uint16_t*)img2->planes[VPX_PLANE_Y];
    501   stride1 = img1->stride[VPX_PLANE_Y]/2;
    502   stride2 = img2->stride[VPX_PLANE_Y]/2;
    503   for (i = 0, match = 1; match && i < img1->d_h; i += bsize) {
    504     for (j = 0; match && j < img1->d_w; j += bsize) {
    505       int k, l;
    506       const int si = mmin(i + bsize, img1->d_h) - i;
    507       const int sj = mmin(j + bsize, img1->d_w) - j;
    508       for (k = 0; match && k < si; ++k) {
    509         for (l = 0; match && l < sj; ++l) {
    510           if (*(plane1 + (i + k) * stride1 + j + l) !=
    511               *(plane2 + (i + k) * stride2 + j + l)) {
    512             yloc[0] = i + k;
    513             yloc[1] = j + l;
    514             yloc[2] = *(plane1 + (i + k) * stride1 + j + l);
    515             yloc[3] = *(plane2 + (i + k) * stride2 + j + l);
    516             match = 0;
    517             break;
    518           }
    519         }
    520       }
    521     }
    522   }
    523 
    524   uloc[0] = uloc[1] = uloc[2] = uloc[3] = -1;
    525   plane1 = (uint16_t*)img1->planes[VPX_PLANE_U];
    526   plane2 = (uint16_t*)img2->planes[VPX_PLANE_U];
    527   stride1 = img1->stride[VPX_PLANE_U]/2;
    528   stride2 = img2->stride[VPX_PLANE_U]/2;
    529   for (i = 0, match = 1; match && i < c_h; i += bsizey) {
    530     for (j = 0; match && j < c_w; j += bsizex) {
    531       int k, l;
    532       const int si = mmin(i + bsizey, c_h - i);
    533       const int sj = mmin(j + bsizex, c_w - j);
    534       for (k = 0; match && k < si; ++k) {
    535         for (l = 0; match && l < sj; ++l) {
    536           if (*(plane1 + (i + k) * stride1 + j + l) !=
    537               *(plane2 + (i + k) * stride2 + j + l)) {
    538             uloc[0] = i + k;
    539             uloc[1] = j + l;
    540             uloc[2] = *(plane1 + (i + k) * stride1 + j + l);
    541             uloc[3] = *(plane2 + (i + k) * stride2 + j + l);
    542             match = 0;
    543             break;
    544           }
    545         }
    546       }
    547     }
    548   }
    549 
    550   vloc[0] = vloc[1] = vloc[2] = vloc[3] = -1;
    551   plane1 = (uint16_t*)img1->planes[VPX_PLANE_V];
    552   plane2 = (uint16_t*)img2->planes[VPX_PLANE_V];
    553   stride1 = img1->stride[VPX_PLANE_V]/2;
    554   stride2 = img2->stride[VPX_PLANE_V]/2;
    555   for (i = 0, match = 1; match && i < c_h; i += bsizey) {
    556     for (j = 0; match && j < c_w; j += bsizex) {
    557       int k, l;
    558       const int si = mmin(i + bsizey, c_h - i);
    559       const int sj = mmin(j + bsizex, c_w - j);
    560       for (k = 0; match && k < si; ++k) {
    561         for (l = 0; match && l < sj; ++l) {
    562           if (*(plane1 + (i + k) * stride1 + j + l) !=
    563               *(plane2 + (i + k) * stride2 + j + l)) {
    564             vloc[0] = i + k;
    565             vloc[1] = j + l;
    566             vloc[2] = *(plane1 + (i + k) * stride1 + j + l);
    567             vloc[3] = *(plane2 + (i + k) * stride2 + j + l);
    568             match = 0;
    569             break;
    570           }
    571         }
    572       }
    573     }
    574   }
    575 }
    576 #endif
    577 
    578 static void find_mismatch(const vpx_image_t *const img1,
    579                           const vpx_image_t *const img2,
    580                           int yloc[4], int uloc[4], int vloc[4]) {
    581   const uint32_t bsize = 64;
    582   const uint32_t bsizey = bsize >> img1->y_chroma_shift;
    583   const uint32_t bsizex = bsize >> img1->x_chroma_shift;
    584   const uint32_t c_w =
    585       (img1->d_w + img1->x_chroma_shift) >> img1->x_chroma_shift;
    586   const uint32_t c_h =
    587       (img1->d_h + img1->y_chroma_shift) >> img1->y_chroma_shift;
    588   int match = 1;
    589   uint32_t i, j;
    590   yloc[0] = yloc[1] = yloc[2] = yloc[3] = -1;
    591   for (i = 0, match = 1; match && i < img1->d_h; i += bsize) {
    592     for (j = 0; match && j < img1->d_w; j += bsize) {
    593       int k, l;
    594       const int si = mmin(i + bsize, img1->d_h) - i;
    595       const int sj = mmin(j + bsize, img1->d_w) - j;
    596       for (k = 0; match && k < si; ++k) {
    597         for (l = 0; match && l < sj; ++l) {
    598           if (*(img1->planes[VPX_PLANE_Y] +
    599                 (i + k) * img1->stride[VPX_PLANE_Y] + j + l) !=
    600               *(img2->planes[VPX_PLANE_Y] +
    601                 (i + k) * img2->stride[VPX_PLANE_Y] + j + l)) {
    602             yloc[0] = i + k;
    603             yloc[1] = j + l;
    604             yloc[2] = *(img1->planes[VPX_PLANE_Y] +
    605                         (i + k) * img1->stride[VPX_PLANE_Y] + j + l);
    606             yloc[3] = *(img2->planes[VPX_PLANE_Y] +
    607                         (i + k) * img2->stride[VPX_PLANE_Y] + j + l);
    608             match = 0;
    609             break;
    610           }
    611         }
    612       }
    613     }
    614   }
    615 
    616   uloc[0] = uloc[1] = uloc[2] = uloc[3] = -1;
    617   for (i = 0, match = 1; match && i < c_h; i += bsizey) {
    618     for (j = 0; match && j < c_w; j += bsizex) {
    619       int k, l;
    620       const int si = mmin(i + bsizey, c_h - i);
    621       const int sj = mmin(j + bsizex, c_w - j);
    622       for (k = 0; match && k < si; ++k) {
    623         for (l = 0; match && l < sj; ++l) {
    624           if (*(img1->planes[VPX_PLANE_U] +
    625                 (i + k) * img1->stride[VPX_PLANE_U] + j + l) !=
    626               *(img2->planes[VPX_PLANE_U] +
    627                 (i + k) * img2->stride[VPX_PLANE_U] + j + l)) {
    628             uloc[0] = i + k;
    629             uloc[1] = j + l;
    630             uloc[2] = *(img1->planes[VPX_PLANE_U] +
    631                         (i + k) * img1->stride[VPX_PLANE_U] + j + l);
    632             uloc[3] = *(img2->planes[VPX_PLANE_U] +
    633                         (i + k) * img2->stride[VPX_PLANE_U] + j + l);
    634             match = 0;
    635             break;
    636           }
    637         }
    638       }
    639     }
    640   }
    641   vloc[0] = vloc[1] = vloc[2] = vloc[3] = -1;
    642   for (i = 0, match = 1; match && i < c_h; i += bsizey) {
    643     for (j = 0; match && j < c_w; j += bsizex) {
    644       int k, l;
    645       const int si = mmin(i + bsizey, c_h - i);
    646       const int sj = mmin(j + bsizex, c_w - j);
    647       for (k = 0; match && k < si; ++k) {
    648         for (l = 0; match && l < sj; ++l) {
    649           if (*(img1->planes[VPX_PLANE_V] +
    650                 (i + k) * img1->stride[VPX_PLANE_V] + j + l) !=
    651               *(img2->planes[VPX_PLANE_V] +
    652                 (i + k) * img2->stride[VPX_PLANE_V] + j + l)) {
    653             vloc[0] = i + k;
    654             vloc[1] = j + l;
    655             vloc[2] = *(img1->planes[VPX_PLANE_V] +
    656                         (i + k) * img1->stride[VPX_PLANE_V] + j + l);
    657             vloc[3] = *(img2->planes[VPX_PLANE_V] +
    658                         (i + k) * img2->stride[VPX_PLANE_V] + j + l);
    659             match = 0;
    660             break;
    661           }
    662         }
    663       }
    664     }
    665   }
    666 }
    667 
    668 static int compare_img(const vpx_image_t *const img1,
    669                        const vpx_image_t *const img2) {
    670   uint32_t l_w = img1->d_w;
    671   uint32_t c_w =
    672       (img1->d_w + img1->x_chroma_shift) >> img1->x_chroma_shift;
    673   const uint32_t c_h =
    674       (img1->d_h + img1->y_chroma_shift) >> img1->y_chroma_shift;
    675   uint32_t i;
    676   int match = 1;
    677 
    678   match &= (img1->fmt == img2->fmt);
    679   match &= (img1->d_w == img2->d_w);
    680   match &= (img1->d_h == img2->d_h);
    681 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
    682   if (img1->fmt & VPX_IMG_FMT_HIGHBITDEPTH) {
    683     l_w *= 2;
    684     c_w *= 2;
    685   }
    686 #endif
    687 
    688   for (i = 0; i < img1->d_h; ++i)
    689     match &= (memcmp(img1->planes[VPX_PLANE_Y] + i * img1->stride[VPX_PLANE_Y],
    690                      img2->planes[VPX_PLANE_Y] + i * img2->stride[VPX_PLANE_Y],
    691                      l_w) == 0);
    692 
    693   for (i = 0; i < c_h; ++i)
    694     match &= (memcmp(img1->planes[VPX_PLANE_U] + i * img1->stride[VPX_PLANE_U],
    695                      img2->planes[VPX_PLANE_U] + i * img2->stride[VPX_PLANE_U],
    696                      c_w) == 0);
    697 
    698   for (i = 0; i < c_h; ++i)
    699     match &= (memcmp(img1->planes[VPX_PLANE_V] + i * img1->stride[VPX_PLANE_V],
    700                      img2->planes[VPX_PLANE_V] + i * img2->stride[VPX_PLANE_V],
    701                      c_w) == 0);
    702 
    703   return match;
    704 }
    705 
    706 
    707 #define NELEMENTS(x) (sizeof(x)/sizeof(x[0]))
    708 #define MAX(x,y) ((x)>(y)?(x):(y))
    709 #if CONFIG_VP8_ENCODER && !CONFIG_VP9_ENCODER
    710 #define ARG_CTRL_CNT_MAX NELEMENTS(vp8_arg_ctrl_map)
    711 #elif !CONFIG_VP8_ENCODER && CONFIG_VP9_ENCODER
    712 #define ARG_CTRL_CNT_MAX NELEMENTS(vp9_arg_ctrl_map)
    713 #else
    714 #define ARG_CTRL_CNT_MAX MAX(NELEMENTS(vp8_arg_ctrl_map), \
    715                              NELEMENTS(vp9_arg_ctrl_map))
    716 #endif
    717 
    718 #if !CONFIG_WEBM_IO
    719 typedef int stereo_format_t;
    720 struct EbmlGlobal { int debug; };
    721 #endif
    722 
    723 /* Per-stream configuration */
    724 struct stream_config {
    725   struct vpx_codec_enc_cfg  cfg;
    726   const char               *out_fn;
    727   const char               *stats_fn;
    728 #if CONFIG_FP_MB_STATS
    729   const char               *fpmb_stats_fn;
    730 #endif
    731   stereo_format_t           stereo_fmt;
    732   int                       arg_ctrls[ARG_CTRL_CNT_MAX][2];
    733   int                       arg_ctrl_cnt;
    734   int                       write_webm;
    735   int                       have_kf_max_dist;
    736 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
    737   // whether to use 16bit internal buffers
    738   int                       use_16bit_internal;
    739 #endif
    740 };
    741 
    742 
    743 struct stream_state {
    744   int                       index;
    745   struct stream_state      *next;
    746   struct stream_config      config;
    747   FILE                     *file;
    748   struct rate_hist         *rate_hist;
    749   struct EbmlGlobal         ebml;
    750   uint64_t                  psnr_sse_total;
    751   uint64_t                  psnr_samples_total;
    752   double                    psnr_totals[4];
    753   int                       psnr_count;
    754   int                       counts[64];
    755   vpx_codec_ctx_t           encoder;
    756   unsigned int              frames_out;
    757   uint64_t                  cx_time;
    758   size_t                    nbytes;
    759   stats_io_t                stats;
    760 #if CONFIG_FP_MB_STATS
    761   stats_io_t                fpmb_stats;
    762 #endif
    763   struct vpx_image         *img;
    764   vpx_codec_ctx_t           decoder;
    765   int                       mismatch_seen;
    766 };
    767 
    768 
    769 void validate_positive_rational(const char          *msg,
    770                                 struct vpx_rational *rat) {
    771   if (rat->den < 0) {
    772     rat->num *= -1;
    773     rat->den *= -1;
    774   }
    775 
    776   if (rat->num < 0)
    777     die("Error: %s must be positive\n", msg);
    778 
    779   if (!rat->den)
    780     die("Error: %s has zero denominator\n", msg);
    781 }
    782 
    783 
    784 static void parse_global_config(struct VpxEncoderConfig *global, char **argv) {
    785   char       **argi, **argj;
    786   struct arg   arg;
    787 
    788   /* Initialize default parameters */
    789   memset(global, 0, sizeof(*global));
    790   global->codec = get_vpx_encoder_by_index(0);
    791   global->passes = 0;
    792   global->color_type = I420;
    793   /* Assign default deadline to good quality */
    794   global->deadline = VPX_DL_GOOD_QUALITY;
    795 
    796   for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
    797     arg.argv_step = 1;
    798 
    799     if (arg_match(&arg, &codecarg, argi)) {
    800       global->codec = get_vpx_encoder_by_name(arg.val);
    801       if (!global->codec)
    802         die("Error: Unrecognized argument (%s) to --codec\n", arg.val);
    803     } else if (arg_match(&arg, &passes, argi)) {
    804       global->passes = arg_parse_uint(&arg);
    805 
    806       if (global->passes < 1 || global->passes > 2)
    807         die("Error: Invalid number of passes (%d)\n", global->passes);
    808     } else if (arg_match(&arg, &pass_arg, argi)) {
    809       global->pass = arg_parse_uint(&arg);
    810 
    811       if (global->pass < 1 || global->pass > 2)
    812         die("Error: Invalid pass selected (%d)\n",
    813             global->pass);
    814     } else if (arg_match(&arg, &usage, argi))
    815       global->usage = arg_parse_uint(&arg);
    816     else if (arg_match(&arg, &deadline, argi))
    817       global->deadline = arg_parse_uint(&arg);
    818     else if (arg_match(&arg, &best_dl, argi))
    819       global->deadline = VPX_DL_BEST_QUALITY;
    820     else if (arg_match(&arg, &good_dl, argi))
    821       global->deadline = VPX_DL_GOOD_QUALITY;
    822     else if (arg_match(&arg, &rt_dl, argi))
    823       global->deadline = VPX_DL_REALTIME;
    824     else if (arg_match(&arg, &use_yv12, argi))
    825       global->color_type = YV12;
    826     else if (arg_match(&arg, &use_i420, argi))
    827       global->color_type = I420;
    828     else if (arg_match(&arg, &use_i422, argi))
    829       global->color_type = I422;
    830     else if (arg_match(&arg, &use_i444, argi))
    831       global->color_type = I444;
    832     else if (arg_match(&arg, &quietarg, argi))
    833       global->quiet = 1;
    834     else if (arg_match(&arg, &verbosearg, argi))
    835       global->verbose = 1;
    836     else if (arg_match(&arg, &limit, argi))
    837       global->limit = arg_parse_uint(&arg);
    838     else if (arg_match(&arg, &skip, argi))
    839       global->skip_frames = arg_parse_uint(&arg);
    840     else if (arg_match(&arg, &psnrarg, argi))
    841       global->show_psnr = 1;
    842     else if (arg_match(&arg, &recontest, argi))
    843       global->test_decode = arg_parse_enum_or_int(&arg);
    844     else if (arg_match(&arg, &framerate, argi)) {
    845       global->framerate = arg_parse_rational(&arg);
    846       validate_positive_rational(arg.name, &global->framerate);
    847       global->have_framerate = 1;
    848     } else if (arg_match(&arg, &out_part, argi))
    849       global->out_part = 1;
    850     else if (arg_match(&arg, &debugmode, argi))
    851       global->debug = 1;
    852     else if (arg_match(&arg, &q_hist_n, argi))
    853       global->show_q_hist_buckets = arg_parse_uint(&arg);
    854     else if (arg_match(&arg, &rate_hist_n, argi))
    855       global->show_rate_hist_buckets = arg_parse_uint(&arg);
    856     else if (arg_match(&arg, &disable_warnings, argi))
    857       global->disable_warnings = 1;
    858     else if (arg_match(&arg, &disable_warning_prompt, argi))
    859       global->disable_warning_prompt = 1;
    860     else if (arg_match(&arg, &experimental_bitstream, argi))
    861       global->experimental_bitstream = 1;
    862     else
    863       argj++;
    864   }
    865 
    866   if (global->pass) {
    867     /* DWIM: Assume the user meant passes=2 if pass=2 is specified */
    868     if (global->pass > global->passes) {
    869       warn("Assuming --pass=%d implies --passes=%d\n",
    870            global->pass, global->pass);
    871       global->passes = global->pass;
    872     }
    873   }
    874   /* Validate global config */
    875   if (global->passes == 0) {
    876 #if CONFIG_VP9_ENCODER
    877     // Make default VP9 passes = 2 until there is a better quality 1-pass
    878     // encoder
    879     if (global->codec != NULL && global->codec->name != NULL)
    880       global->passes = (strcmp(global->codec->name, "vp9") == 0 &&
    881                         global->deadline != VPX_DL_REALTIME) ? 2 : 1;
    882 #else
    883     global->passes = 1;
    884 #endif
    885   }
    886 
    887   if (global->deadline == VPX_DL_REALTIME &&
    888       global->passes > 1) {
    889     warn("Enforcing one-pass encoding in realtime mode\n");
    890     global->passes = 1;
    891   }
    892 }
    893 
    894 
    895 void open_input_file(struct VpxInputContext *input) {
    896   /* Parse certain options from the input file, if possible */
    897   input->file = strcmp(input->filename, "-")
    898       ? fopen(input->filename, "rb") : set_binary_mode(stdin);
    899 
    900   if (!input->file)
    901     fatal("Failed to open input file");
    902 
    903   if (!fseeko(input->file, 0, SEEK_END)) {
    904     /* Input file is seekable. Figure out how long it is, so we can get
    905      * progress info.
    906      */
    907     input->length = ftello(input->file);
    908     rewind(input->file);
    909   }
    910 
    911   /* For RAW input sources, these bytes will applied on the first frame
    912    *  in read_frame().
    913    */
    914   input->detect.buf_read = fread(input->detect.buf, 1, 4, input->file);
    915   input->detect.position = 0;
    916 
    917   if (input->detect.buf_read == 4
    918       && file_is_y4m(input->detect.buf)) {
    919     if (y4m_input_open(&input->y4m, input->file, input->detect.buf, 4,
    920                        input->only_i420) >= 0) {
    921       input->file_type = FILE_TYPE_Y4M;
    922       input->width = input->y4m.pic_w;
    923       input->height = input->y4m.pic_h;
    924       input->framerate.numerator = input->y4m.fps_n;
    925       input->framerate.denominator = input->y4m.fps_d;
    926       input->fmt = input->y4m.vpx_fmt;
    927       input->bit_depth = input->y4m.bit_depth;
    928     } else
    929       fatal("Unsupported Y4M stream.");
    930   } else if (input->detect.buf_read == 4 && fourcc_is_ivf(input->detect.buf)) {
    931     fatal("IVF is not supported as input.");
    932   } else {
    933     input->file_type = FILE_TYPE_RAW;
    934   }
    935 }
    936 
    937 
    938 static void close_input_file(struct VpxInputContext *input) {
    939   fclose(input->file);
    940   if (input->file_type == FILE_TYPE_Y4M)
    941     y4m_input_close(&input->y4m);
    942 }
    943 
    944 static struct stream_state *new_stream(struct VpxEncoderConfig *global,
    945                                        struct stream_state *prev) {
    946   struct stream_state *stream;
    947 
    948   stream = calloc(1, sizeof(*stream));
    949   if (stream == NULL) {
    950     fatal("Failed to allocate new stream.");
    951   }
    952 
    953   if (prev) {
    954     memcpy(stream, prev, sizeof(*stream));
    955     stream->index++;
    956     prev->next = stream;
    957   } else {
    958     vpx_codec_err_t  res;
    959 
    960     /* Populate encoder configuration */
    961     res = vpx_codec_enc_config_default(global->codec->codec_interface(),
    962                                        &stream->config.cfg,
    963                                        global->usage);
    964     if (res)
    965       fatal("Failed to get config: %s\n", vpx_codec_err_to_string(res));
    966 
    967     /* Change the default timebase to a high enough value so that the
    968      * encoder will always create strictly increasing timestamps.
    969      */
    970     stream->config.cfg.g_timebase.den = 1000;
    971 
    972     /* Never use the library's default resolution, require it be parsed
    973      * from the file or set on the command line.
    974      */
    975     stream->config.cfg.g_w = 0;
    976     stream->config.cfg.g_h = 0;
    977 
    978     /* Initialize remaining stream parameters */
    979     stream->config.write_webm = 1;
    980 #if CONFIG_WEBM_IO
    981     stream->config.stereo_fmt = STEREO_FORMAT_MONO;
    982     stream->ebml.last_pts_ns = -1;
    983     stream->ebml.writer = NULL;
    984     stream->ebml.segment = NULL;
    985 #endif
    986 
    987     /* Allows removal of the application version from the EBML tags */
    988     stream->ebml.debug = global->debug;
    989 
    990     /* Default lag_in_frames is 0 in realtime mode */
    991     if (global->deadline == VPX_DL_REALTIME)
    992       stream->config.cfg.g_lag_in_frames = 0;
    993   }
    994 
    995   /* Output files must be specified for each stream */
    996   stream->config.out_fn = NULL;
    997 
    998   stream->next = NULL;
    999   return stream;
   1000 }
   1001 
   1002 
   1003 static int parse_stream_params(struct VpxEncoderConfig *global,
   1004                                struct stream_state  *stream,
   1005                                char **argv) {
   1006   char                   **argi, **argj;
   1007   struct arg               arg;
   1008   static const arg_def_t **ctrl_args = no_args;
   1009   static const int        *ctrl_args_map = NULL;
   1010   struct stream_config    *config = &stream->config;
   1011   int                      eos_mark_found = 0;
   1012 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
   1013   int                      test_16bit_internal = 0;
   1014 #endif
   1015 
   1016   // Handle codec specific options
   1017   if (0) {
   1018 #if CONFIG_VP8_ENCODER
   1019   } else if (strcmp(global->codec->name, "vp8") == 0) {
   1020     ctrl_args = vp8_args;
   1021     ctrl_args_map = vp8_arg_ctrl_map;
   1022 #endif
   1023 #if CONFIG_VP9_ENCODER
   1024   } else if (strcmp(global->codec->name, "vp9") == 0) {
   1025     ctrl_args = vp9_args;
   1026     ctrl_args_map = vp9_arg_ctrl_map;
   1027 #endif
   1028   }
   1029 
   1030   for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
   1031     arg.argv_step = 1;
   1032 
   1033     /* Once we've found an end-of-stream marker (--) we want to continue
   1034      * shifting arguments but not consuming them.
   1035      */
   1036     if (eos_mark_found) {
   1037       argj++;
   1038       continue;
   1039     } else if (!strcmp(*argj, "--")) {
   1040       eos_mark_found = 1;
   1041       continue;
   1042     }
   1043 
   1044     if (0) {
   1045     } else if (arg_match(&arg, &outputfile, argi)) {
   1046       config->out_fn = arg.val;
   1047     } else if (arg_match(&arg, &fpf_name, argi)) {
   1048       config->stats_fn = arg.val;
   1049 #if CONFIG_FP_MB_STATS
   1050     } else if (arg_match(&arg, &fpmbf_name, argi)) {
   1051       config->fpmb_stats_fn = arg.val;
   1052 #endif
   1053     } else if (arg_match(&arg, &use_ivf, argi)) {
   1054       config->write_webm = 0;
   1055     } else if (arg_match(&arg, &threads, argi)) {
   1056       config->cfg.g_threads = arg_parse_uint(&arg);
   1057     } else if (arg_match(&arg, &profile, argi)) {
   1058       config->cfg.g_profile = arg_parse_uint(&arg);
   1059     } else if (arg_match(&arg, &width, argi)) {
   1060       config->cfg.g_w = arg_parse_uint(&arg);
   1061     } else if (arg_match(&arg, &height, argi)) {
   1062       config->cfg.g_h = arg_parse_uint(&arg);
   1063 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
   1064     } else if (arg_match(&arg, &bitdeptharg, argi)) {
   1065       config->cfg.g_bit_depth = arg_parse_enum_or_int(&arg);
   1066     } else if (arg_match(&arg, &inbitdeptharg, argi)) {
   1067       config->cfg.g_input_bit_depth = arg_parse_uint(&arg);
   1068 #endif
   1069 #if CONFIG_WEBM_IO
   1070     } else if (arg_match(&arg, &stereo_mode, argi)) {
   1071       config->stereo_fmt = arg_parse_enum_or_int(&arg);
   1072 #endif
   1073     } else if (arg_match(&arg, &timebase, argi)) {
   1074       config->cfg.g_timebase = arg_parse_rational(&arg);
   1075       validate_positive_rational(arg.name, &config->cfg.g_timebase);
   1076     } else if (arg_match(&arg, &error_resilient, argi)) {
   1077       config->cfg.g_error_resilient = arg_parse_uint(&arg);
   1078     } else if (arg_match(&arg, &lag_in_frames, argi)) {
   1079       config->cfg.g_lag_in_frames = arg_parse_uint(&arg);
   1080       if (global->deadline == VPX_DL_REALTIME &&
   1081           config->cfg.g_lag_in_frames != 0) {
   1082         warn("non-zero %s option ignored in realtime mode.\n", arg.name);
   1083         config->cfg.g_lag_in_frames = 0;
   1084       }
   1085     } else if (arg_match(&arg, &dropframe_thresh, argi)) {
   1086       config->cfg.rc_dropframe_thresh = arg_parse_uint(&arg);
   1087     } else if (arg_match(&arg, &resize_allowed, argi)) {
   1088       config->cfg.rc_resize_allowed = arg_parse_uint(&arg);
   1089     } else if (arg_match(&arg, &resize_width, argi)) {
   1090       config->cfg.rc_scaled_width = arg_parse_uint(&arg);
   1091     } else if (arg_match(&arg, &resize_height, argi)) {
   1092       config->cfg.rc_scaled_height = arg_parse_uint(&arg);
   1093     } else if (arg_match(&arg, &resize_up_thresh, argi)) {
   1094       config->cfg.rc_resize_up_thresh = arg_parse_uint(&arg);
   1095     } else if (arg_match(&arg, &resize_down_thresh, argi)) {
   1096       config->cfg.rc_resize_down_thresh = arg_parse_uint(&arg);
   1097     } else if (arg_match(&arg, &end_usage, argi)) {
   1098       config->cfg.rc_end_usage = arg_parse_enum_or_int(&arg);
   1099     } else if (arg_match(&arg, &target_bitrate, argi)) {
   1100       config->cfg.rc_target_bitrate = arg_parse_uint(&arg);
   1101     } else if (arg_match(&arg, &min_quantizer, argi)) {
   1102       config->cfg.rc_min_quantizer = arg_parse_uint(&arg);
   1103     } else if (arg_match(&arg, &max_quantizer, argi)) {
   1104       config->cfg.rc_max_quantizer = arg_parse_uint(&arg);
   1105     } else if (arg_match(&arg, &undershoot_pct, argi)) {
   1106       config->cfg.rc_undershoot_pct = arg_parse_uint(&arg);
   1107     } else if (arg_match(&arg, &overshoot_pct, argi)) {
   1108       config->cfg.rc_overshoot_pct = arg_parse_uint(&arg);
   1109     } else if (arg_match(&arg, &buf_sz, argi)) {
   1110       config->cfg.rc_buf_sz = arg_parse_uint(&arg);
   1111     } else if (arg_match(&arg, &buf_initial_sz, argi)) {
   1112       config->cfg.rc_buf_initial_sz = arg_parse_uint(&arg);
   1113     } else if (arg_match(&arg, &buf_optimal_sz, argi)) {
   1114       config->cfg.rc_buf_optimal_sz = arg_parse_uint(&arg);
   1115     } else if (arg_match(&arg, &bias_pct, argi)) {
   1116         config->cfg.rc_2pass_vbr_bias_pct = arg_parse_uint(&arg);
   1117       if (global->passes < 2)
   1118         warn("option %s ignored in one-pass mode.\n", arg.name);
   1119     } else if (arg_match(&arg, &minsection_pct, argi)) {
   1120       config->cfg.rc_2pass_vbr_minsection_pct = arg_parse_uint(&arg);
   1121 
   1122       if (global->passes < 2)
   1123         warn("option %s ignored in one-pass mode.\n", arg.name);
   1124     } else if (arg_match(&arg, &maxsection_pct, argi)) {
   1125       config->cfg.rc_2pass_vbr_maxsection_pct = arg_parse_uint(&arg);
   1126 
   1127       if (global->passes < 2)
   1128         warn("option %s ignored in one-pass mode.\n", arg.name);
   1129     } else if (arg_match(&arg, &kf_min_dist, argi)) {
   1130       config->cfg.kf_min_dist = arg_parse_uint(&arg);
   1131     } else if (arg_match(&arg, &kf_max_dist, argi)) {
   1132       config->cfg.kf_max_dist = arg_parse_uint(&arg);
   1133       config->have_kf_max_dist = 1;
   1134     } else if (arg_match(&arg, &kf_disabled, argi)) {
   1135       config->cfg.kf_mode = VPX_KF_DISABLED;
   1136 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
   1137     } else if (arg_match(&arg, &test16bitinternalarg, argi)) {
   1138       if (strcmp(global->codec->name, "vp9") == 0) {
   1139         test_16bit_internal = 1;
   1140       }
   1141 #endif
   1142     } else {
   1143       int i, match = 0;
   1144       for (i = 0; ctrl_args[i]; i++) {
   1145         if (arg_match(&arg, ctrl_args[i], argi)) {
   1146           int j;
   1147           match = 1;
   1148 
   1149           /* Point either to the next free element or the first
   1150           * instance of this control.
   1151           */
   1152           for (j = 0; j < config->arg_ctrl_cnt; j++)
   1153             if (ctrl_args_map != NULL &&
   1154                 config->arg_ctrls[j][0] == ctrl_args_map[i])
   1155               break;
   1156 
   1157           /* Update/insert */
   1158           assert(j < (int)ARG_CTRL_CNT_MAX);
   1159           if (ctrl_args_map != NULL && j < (int)ARG_CTRL_CNT_MAX) {
   1160             config->arg_ctrls[j][0] = ctrl_args_map[i];
   1161             config->arg_ctrls[j][1] = arg_parse_enum_or_int(&arg);
   1162             if (j == config->arg_ctrl_cnt)
   1163               config->arg_ctrl_cnt++;
   1164           }
   1165 
   1166         }
   1167       }
   1168       if (!match)
   1169         argj++;
   1170     }
   1171   }
   1172 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
   1173   if (strcmp(global->codec->name, "vp9") == 0) {
   1174     config->use_16bit_internal = test_16bit_internal |
   1175                                  (config->cfg.g_profile > 1);
   1176   }
   1177 #endif
   1178   return eos_mark_found;
   1179 }
   1180 
   1181 
   1182 #define FOREACH_STREAM(func) \
   1183   do { \
   1184     struct stream_state *stream; \
   1185     for (stream = streams; stream; stream = stream->next) { \
   1186       func; \
   1187     } \
   1188   } while (0)
   1189 
   1190 
   1191 static void validate_stream_config(const struct stream_state *stream,
   1192                                    const struct VpxEncoderConfig *global) {
   1193   const struct stream_state *streami;
   1194 
   1195   if (!stream->config.cfg.g_w || !stream->config.cfg.g_h)
   1196     fatal("Stream %d: Specify stream dimensions with --width (-w) "
   1197           " and --height (-h)", stream->index);
   1198 
   1199   if (stream->config.cfg.g_profile != 0 && !global->experimental_bitstream) {
   1200     fatal("Stream %d: profile %d is experimental and requires the --%s flag",
   1201           stream->index, stream->config.cfg.g_profile,
   1202           experimental_bitstream.long_name);
   1203   }
   1204 
   1205   // Check that the codec bit depth is greater than the input bit depth.
   1206   if (stream->config.cfg.g_input_bit_depth >
   1207       (unsigned int)stream->config.cfg.g_bit_depth) {
   1208     fatal("Stream %d: codec bit depth (%d) less than input bit depth (%d)",
   1209           stream->index, (int)stream->config.cfg.g_bit_depth,
   1210           stream->config.cfg.g_input_bit_depth);
   1211   }
   1212 
   1213   for (streami = stream; streami; streami = streami->next) {
   1214     /* All streams require output files */
   1215     if (!streami->config.out_fn)
   1216       fatal("Stream %d: Output file is required (specify with -o)",
   1217             streami->index);
   1218 
   1219     /* Check for two streams outputting to the same file */
   1220     if (streami != stream) {
   1221       const char *a = stream->config.out_fn;
   1222       const char *b = streami->config.out_fn;
   1223       if (!strcmp(a, b) && strcmp(a, "/dev/null") && strcmp(a, ":nul"))
   1224         fatal("Stream %d: duplicate output file (from stream %d)",
   1225               streami->index, stream->index);
   1226     }
   1227 
   1228     /* Check for two streams sharing a stats file. */
   1229     if (streami != stream) {
   1230       const char *a = stream->config.stats_fn;
   1231       const char *b = streami->config.stats_fn;
   1232       if (a && b && !strcmp(a, b))
   1233         fatal("Stream %d: duplicate stats file (from stream %d)",
   1234               streami->index, stream->index);
   1235     }
   1236 
   1237 #if CONFIG_FP_MB_STATS
   1238     /* Check for two streams sharing a mb stats file. */
   1239     if (streami != stream) {
   1240       const char *a = stream->config.fpmb_stats_fn;
   1241       const char *b = streami->config.fpmb_stats_fn;
   1242       if (a && b && !strcmp(a, b))
   1243         fatal("Stream %d: duplicate mb stats file (from stream %d)",
   1244               streami->index, stream->index);
   1245     }
   1246 #endif
   1247   }
   1248 }
   1249 
   1250 
   1251 static void set_stream_dimensions(struct stream_state *stream,
   1252                                   unsigned int w,
   1253                                   unsigned int h) {
   1254   if (!stream->config.cfg.g_w) {
   1255     if (!stream->config.cfg.g_h)
   1256       stream->config.cfg.g_w = w;
   1257     else
   1258       stream->config.cfg.g_w = w * stream->config.cfg.g_h / h;
   1259   }
   1260   if (!stream->config.cfg.g_h) {
   1261     stream->config.cfg.g_h = h * stream->config.cfg.g_w / w;
   1262   }
   1263 }
   1264 
   1265 
   1266 static void set_default_kf_interval(struct stream_state *stream,
   1267                                     struct VpxEncoderConfig *global) {
   1268   /* Use a max keyframe interval of 5 seconds, if none was
   1269    * specified on the command line.
   1270    */
   1271   if (!stream->config.have_kf_max_dist) {
   1272     double framerate = (double)global->framerate.num / global->framerate.den;
   1273     if (framerate > 0.0)
   1274       stream->config.cfg.kf_max_dist = (unsigned int)(5.0 * framerate);
   1275   }
   1276 }
   1277 
   1278 static const char* file_type_to_string(enum VideoFileType t) {
   1279   switch (t) {
   1280     case FILE_TYPE_RAW: return "RAW";
   1281     case FILE_TYPE_Y4M: return "Y4M";
   1282     default: return "Other";
   1283   }
   1284 }
   1285 
   1286 static const char* image_format_to_string(vpx_img_fmt_t f) {
   1287   switch (f) {
   1288     case VPX_IMG_FMT_I420: return "I420";
   1289     case VPX_IMG_FMT_I422: return "I422";
   1290     case VPX_IMG_FMT_I444: return "I444";
   1291     case VPX_IMG_FMT_YV12: return "YV12";
   1292     default: return "Other";
   1293   }
   1294 }
   1295 
   1296 static void show_stream_config(struct stream_state *stream,
   1297                                struct VpxEncoderConfig *global,
   1298                                struct VpxInputContext *input) {
   1299 
   1300 #define SHOW(field) \
   1301   fprintf(stderr, "    %-28s = %d\n", #field, stream->config.cfg.field)
   1302 
   1303   if (stream->index == 0) {
   1304     fprintf(stderr, "Codec: %s\n",
   1305             vpx_codec_iface_name(global->codec->codec_interface()));
   1306     fprintf(stderr, "Source file: %s File Type: %s Format: %s\n",
   1307             input->filename,
   1308             file_type_to_string(input->file_type),
   1309             image_format_to_string(input->fmt));
   1310   }
   1311   if (stream->next || stream->index)
   1312     fprintf(stderr, "\nStream Index: %d\n", stream->index);
   1313   fprintf(stderr, "Destination file: %s\n", stream->config.out_fn);
   1314   fprintf(stderr, "Encoder parameters:\n");
   1315 
   1316   SHOW(g_usage);
   1317   SHOW(g_threads);
   1318   SHOW(g_profile);
   1319   SHOW(g_w);
   1320   SHOW(g_h);
   1321   SHOW(g_bit_depth);
   1322   SHOW(g_input_bit_depth);
   1323   SHOW(g_timebase.num);
   1324   SHOW(g_timebase.den);
   1325   SHOW(g_error_resilient);
   1326   SHOW(g_pass);
   1327   SHOW(g_lag_in_frames);
   1328   SHOW(rc_dropframe_thresh);
   1329   SHOW(rc_resize_allowed);
   1330   SHOW(rc_scaled_width);
   1331   SHOW(rc_scaled_height);
   1332   SHOW(rc_resize_up_thresh);
   1333   SHOW(rc_resize_down_thresh);
   1334   SHOW(rc_end_usage);
   1335   SHOW(rc_target_bitrate);
   1336   SHOW(rc_min_quantizer);
   1337   SHOW(rc_max_quantizer);
   1338   SHOW(rc_undershoot_pct);
   1339   SHOW(rc_overshoot_pct);
   1340   SHOW(rc_buf_sz);
   1341   SHOW(rc_buf_initial_sz);
   1342   SHOW(rc_buf_optimal_sz);
   1343   SHOW(rc_2pass_vbr_bias_pct);
   1344   SHOW(rc_2pass_vbr_minsection_pct);
   1345   SHOW(rc_2pass_vbr_maxsection_pct);
   1346   SHOW(kf_mode);
   1347   SHOW(kf_min_dist);
   1348   SHOW(kf_max_dist);
   1349 }
   1350 
   1351 
   1352 static void open_output_file(struct stream_state *stream,
   1353                              struct VpxEncoderConfig *global) {
   1354   const char *fn = stream->config.out_fn;
   1355   const struct vpx_codec_enc_cfg *const cfg = &stream->config.cfg;
   1356 
   1357   if (cfg->g_pass == VPX_RC_FIRST_PASS)
   1358     return;
   1359 
   1360   stream->file = strcmp(fn, "-") ? fopen(fn, "wb") : set_binary_mode(stdout);
   1361 
   1362   if (!stream->file)
   1363     fatal("Failed to open output file");
   1364 
   1365   if (stream->config.write_webm && fseek(stream->file, 0, SEEK_CUR))
   1366     fatal("WebM output to pipes not supported.");
   1367 
   1368 #if CONFIG_WEBM_IO
   1369   if (stream->config.write_webm) {
   1370     stream->ebml.stream = stream->file;
   1371     write_webm_file_header(&stream->ebml, cfg,
   1372                            &global->framerate,
   1373                            stream->config.stereo_fmt,
   1374                            global->codec->fourcc);
   1375   }
   1376 #endif
   1377 
   1378   if (!stream->config.write_webm) {
   1379     ivf_write_file_header(stream->file, cfg, global->codec->fourcc, 0);
   1380   }
   1381 }
   1382 
   1383 
   1384 static void close_output_file(struct stream_state *stream,
   1385                               unsigned int fourcc) {
   1386   const struct vpx_codec_enc_cfg *const cfg = &stream->config.cfg;
   1387 
   1388   if (cfg->g_pass == VPX_RC_FIRST_PASS)
   1389     return;
   1390 
   1391 #if CONFIG_WEBM_IO
   1392   if (stream->config.write_webm) {
   1393     write_webm_file_footer(&stream->ebml);
   1394   }
   1395 #endif
   1396 
   1397   if (!stream->config.write_webm) {
   1398     if (!fseek(stream->file, 0, SEEK_SET))
   1399       ivf_write_file_header(stream->file, &stream->config.cfg,
   1400                             fourcc,
   1401                             stream->frames_out);
   1402   }
   1403 
   1404   fclose(stream->file);
   1405 }
   1406 
   1407 
   1408 static void setup_pass(struct stream_state *stream,
   1409                        struct VpxEncoderConfig *global,
   1410                        int pass) {
   1411   if (stream->config.stats_fn) {
   1412     if (!stats_open_file(&stream->stats, stream->config.stats_fn,
   1413                          pass))
   1414       fatal("Failed to open statistics store");
   1415   } else {
   1416     if (!stats_open_mem(&stream->stats, pass))
   1417       fatal("Failed to open statistics store");
   1418   }
   1419 
   1420 #if CONFIG_FP_MB_STATS
   1421   if (stream->config.fpmb_stats_fn) {
   1422     if (!stats_open_file(&stream->fpmb_stats,
   1423                          stream->config.fpmb_stats_fn, pass))
   1424       fatal("Failed to open mb statistics store");
   1425   } else {
   1426     if (!stats_open_mem(&stream->fpmb_stats, pass))
   1427       fatal("Failed to open mb statistics store");
   1428   }
   1429 #endif
   1430 
   1431   stream->config.cfg.g_pass = global->passes == 2
   1432                               ? pass ? VPX_RC_LAST_PASS : VPX_RC_FIRST_PASS
   1433                             : VPX_RC_ONE_PASS;
   1434   if (pass) {
   1435     stream->config.cfg.rc_twopass_stats_in = stats_get(&stream->stats);
   1436 #if CONFIG_FP_MB_STATS
   1437     stream->config.cfg.rc_firstpass_mb_stats_in =
   1438         stats_get(&stream->fpmb_stats);
   1439 #endif
   1440   }
   1441 
   1442   stream->cx_time = 0;
   1443   stream->nbytes = 0;
   1444   stream->frames_out = 0;
   1445 }
   1446 
   1447 
   1448 static void initialize_encoder(struct stream_state *stream,
   1449                                struct VpxEncoderConfig *global) {
   1450   int i;
   1451   int flags = 0;
   1452 
   1453   flags |= global->show_psnr ? VPX_CODEC_USE_PSNR : 0;
   1454   flags |= global->out_part ? VPX_CODEC_USE_OUTPUT_PARTITION : 0;
   1455 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
   1456   flags |= stream->config.use_16bit_internal ? VPX_CODEC_USE_HIGHBITDEPTH : 0;
   1457 #endif
   1458 
   1459   /* Construct Encoder Context */
   1460   vpx_codec_enc_init(&stream->encoder, global->codec->codec_interface(),
   1461                      &stream->config.cfg, flags);
   1462   ctx_exit_on_error(&stream->encoder, "Failed to initialize encoder");
   1463 
   1464   /* Note that we bypass the vpx_codec_control wrapper macro because
   1465    * we're being clever to store the control IDs in an array. Real
   1466    * applications will want to make use of the enumerations directly
   1467    */
   1468   for (i = 0; i < stream->config.arg_ctrl_cnt; i++) {
   1469     int ctrl = stream->config.arg_ctrls[i][0];
   1470     int value = stream->config.arg_ctrls[i][1];
   1471     if (vpx_codec_control_(&stream->encoder, ctrl, value))
   1472       fprintf(stderr, "Error: Tried to set control %d = %d\n",
   1473               ctrl, value);
   1474 
   1475     ctx_exit_on_error(&stream->encoder, "Failed to control codec");
   1476   }
   1477 
   1478 #if CONFIG_DECODERS
   1479   if (global->test_decode != TEST_DECODE_OFF) {
   1480     const VpxInterface *decoder = get_vpx_decoder_by_name(global->codec->name);
   1481     vpx_codec_dec_init(&stream->decoder, decoder->codec_interface(), NULL, 0);
   1482   }
   1483 #endif
   1484 }
   1485 
   1486 
   1487 static void encode_frame(struct stream_state *stream,
   1488                          struct VpxEncoderConfig *global,
   1489                          struct vpx_image *img,
   1490                          unsigned int frames_in) {
   1491   vpx_codec_pts_t frame_start, next_frame_start;
   1492   struct vpx_codec_enc_cfg *cfg = &stream->config.cfg;
   1493   struct vpx_usec_timer timer;
   1494 
   1495   frame_start = (cfg->g_timebase.den * (int64_t)(frames_in - 1)
   1496                  * global->framerate.den)
   1497                 / cfg->g_timebase.num / global->framerate.num;
   1498   next_frame_start = (cfg->g_timebase.den * (int64_t)(frames_in)
   1499                       * global->framerate.den)
   1500                      / cfg->g_timebase.num / global->framerate.num;
   1501 
   1502   /* Scale if necessary */
   1503 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
   1504   if (img) {
   1505     if ((img->fmt & VPX_IMG_FMT_HIGHBITDEPTH) &&
   1506         (img->d_w != cfg->g_w || img->d_h != cfg->g_h)) {
   1507       if (img->fmt != VPX_IMG_FMT_I42016) {
   1508         fprintf(stderr, "%s can only scale 4:2:0 inputs\n", exec_name);
   1509         exit(EXIT_FAILURE);
   1510       }
   1511 #if CONFIG_LIBYUV
   1512       if (!stream->img) {
   1513         stream->img = vpx_img_alloc(NULL, VPX_IMG_FMT_I42016,
   1514                                     cfg->g_w, cfg->g_h, 16);
   1515       }
   1516       I420Scale_16((uint16*)img->planes[VPX_PLANE_Y],
   1517                    img->stride[VPX_PLANE_Y]/2,
   1518                    (uint16*)img->planes[VPX_PLANE_U],
   1519                    img->stride[VPX_PLANE_U]/2,
   1520                    (uint16*)img->planes[VPX_PLANE_V],
   1521                    img->stride[VPX_PLANE_V]/2,
   1522                    img->d_w, img->d_h,
   1523                    (uint16*)stream->img->planes[VPX_PLANE_Y],
   1524                    stream->img->stride[VPX_PLANE_Y]/2,
   1525                    (uint16*)stream->img->planes[VPX_PLANE_U],
   1526                    stream->img->stride[VPX_PLANE_U]/2,
   1527                    (uint16*)stream->img->planes[VPX_PLANE_V],
   1528                    stream->img->stride[VPX_PLANE_V]/2,
   1529                    stream->img->d_w, stream->img->d_h,
   1530                    kFilterBox);
   1531       img = stream->img;
   1532 #else
   1533     stream->encoder.err = 1;
   1534     ctx_exit_on_error(&stream->encoder,
   1535                       "Stream %d: Failed to encode frame.\n"
   1536                       "Scaling disabled in this configuration. \n"
   1537                       "To enable, configure with --enable-libyuv\n",
   1538                       stream->index);
   1539 #endif
   1540     }
   1541   }
   1542 #endif
   1543   if (img && (img->d_w != cfg->g_w || img->d_h != cfg->g_h)) {
   1544     if (img->fmt != VPX_IMG_FMT_I420 && img->fmt != VPX_IMG_FMT_YV12) {
   1545       fprintf(stderr, "%s can only scale 4:2:0 8bpp inputs\n", exec_name);
   1546       exit(EXIT_FAILURE);
   1547     }
   1548 #if CONFIG_LIBYUV
   1549     if (!stream->img)
   1550       stream->img = vpx_img_alloc(NULL, VPX_IMG_FMT_I420,
   1551                                   cfg->g_w, cfg->g_h, 16);
   1552     I420Scale(img->planes[VPX_PLANE_Y], img->stride[VPX_PLANE_Y],
   1553               img->planes[VPX_PLANE_U], img->stride[VPX_PLANE_U],
   1554               img->planes[VPX_PLANE_V], img->stride[VPX_PLANE_V],
   1555               img->d_w, img->d_h,
   1556               stream->img->planes[VPX_PLANE_Y],
   1557               stream->img->stride[VPX_PLANE_Y],
   1558               stream->img->planes[VPX_PLANE_U],
   1559               stream->img->stride[VPX_PLANE_U],
   1560               stream->img->planes[VPX_PLANE_V],
   1561               stream->img->stride[VPX_PLANE_V],
   1562               stream->img->d_w, stream->img->d_h,
   1563               kFilterBox);
   1564     img = stream->img;
   1565 #else
   1566     stream->encoder.err = 1;
   1567     ctx_exit_on_error(&stream->encoder,
   1568                       "Stream %d: Failed to encode frame.\n"
   1569                       "Scaling disabled in this configuration. \n"
   1570                       "To enable, configure with --enable-libyuv\n",
   1571                       stream->index);
   1572 #endif
   1573   }
   1574 
   1575   vpx_usec_timer_start(&timer);
   1576   vpx_codec_encode(&stream->encoder, img, frame_start,
   1577                    (unsigned long)(next_frame_start - frame_start),
   1578                    0, global->deadline);
   1579   vpx_usec_timer_mark(&timer);
   1580   stream->cx_time += vpx_usec_timer_elapsed(&timer);
   1581   ctx_exit_on_error(&stream->encoder, "Stream %d: Failed to encode frame",
   1582                     stream->index);
   1583 }
   1584 
   1585 
   1586 static void update_quantizer_histogram(struct stream_state *stream) {
   1587   if (stream->config.cfg.g_pass != VPX_RC_FIRST_PASS) {
   1588     int q;
   1589 
   1590     vpx_codec_control(&stream->encoder, VP8E_GET_LAST_QUANTIZER_64, &q);
   1591     ctx_exit_on_error(&stream->encoder, "Failed to read quantizer");
   1592     stream->counts[q]++;
   1593   }
   1594 }
   1595 
   1596 
   1597 static void get_cx_data(struct stream_state *stream,
   1598                         struct VpxEncoderConfig *global,
   1599                         int *got_data) {
   1600   const vpx_codec_cx_pkt_t *pkt;
   1601   const struct vpx_codec_enc_cfg *cfg = &stream->config.cfg;
   1602   vpx_codec_iter_t iter = NULL;
   1603 
   1604   *got_data = 0;
   1605   while ((pkt = vpx_codec_get_cx_data(&stream->encoder, &iter))) {
   1606     static size_t fsize = 0;
   1607     static int64_t ivf_header_pos = 0;
   1608 
   1609     switch (pkt->kind) {
   1610       case VPX_CODEC_CX_FRAME_PKT:
   1611         if (!(pkt->data.frame.flags & VPX_FRAME_IS_FRAGMENT)) {
   1612           stream->frames_out++;
   1613         }
   1614         if (!global->quiet)
   1615           fprintf(stderr, " %6luF", (unsigned long)pkt->data.frame.sz);
   1616 
   1617         update_rate_histogram(stream->rate_hist, cfg, pkt);
   1618 #if CONFIG_WEBM_IO
   1619         if (stream->config.write_webm) {
   1620           write_webm_block(&stream->ebml, cfg, pkt);
   1621         }
   1622 #endif
   1623         if (!stream->config.write_webm) {
   1624           if (pkt->data.frame.partition_id <= 0) {
   1625             ivf_header_pos = ftello(stream->file);
   1626             fsize = pkt->data.frame.sz;
   1627 
   1628             ivf_write_frame_header(stream->file, pkt->data.frame.pts, fsize);
   1629           } else {
   1630             fsize += pkt->data.frame.sz;
   1631 
   1632             if (!(pkt->data.frame.flags & VPX_FRAME_IS_FRAGMENT)) {
   1633               const int64_t currpos = ftello(stream->file);
   1634               fseeko(stream->file, ivf_header_pos, SEEK_SET);
   1635               ivf_write_frame_size(stream->file, fsize);
   1636               fseeko(stream->file, currpos, SEEK_SET);
   1637             }
   1638           }
   1639 
   1640           (void) fwrite(pkt->data.frame.buf, 1, pkt->data.frame.sz,
   1641                         stream->file);
   1642         }
   1643         stream->nbytes += pkt->data.raw.sz;
   1644 
   1645         *got_data = 1;
   1646 #if CONFIG_DECODERS
   1647         if (global->test_decode != TEST_DECODE_OFF && !stream->mismatch_seen) {
   1648           vpx_codec_decode(&stream->decoder, pkt->data.frame.buf,
   1649                            (unsigned int)pkt->data.frame.sz, NULL, 0);
   1650           if (stream->decoder.err) {
   1651             warn_or_exit_on_error(&stream->decoder,
   1652                                   global->test_decode == TEST_DECODE_FATAL,
   1653                                   "Failed to decode frame %d in stream %d",
   1654                                   stream->frames_out + 1, stream->index);
   1655             stream->mismatch_seen = stream->frames_out + 1;
   1656           }
   1657         }
   1658 #endif
   1659         break;
   1660       case VPX_CODEC_STATS_PKT:
   1661         stream->frames_out++;
   1662         stats_write(&stream->stats,
   1663                     pkt->data.twopass_stats.buf,
   1664                     pkt->data.twopass_stats.sz);
   1665         stream->nbytes += pkt->data.raw.sz;
   1666         break;
   1667 #if CONFIG_FP_MB_STATS
   1668       case VPX_CODEC_FPMB_STATS_PKT:
   1669         stats_write(&stream->fpmb_stats,
   1670                     pkt->data.firstpass_mb_stats.buf,
   1671                     pkt->data.firstpass_mb_stats.sz);
   1672         stream->nbytes += pkt->data.raw.sz;
   1673         break;
   1674 #endif
   1675       case VPX_CODEC_PSNR_PKT:
   1676 
   1677         if (global->show_psnr) {
   1678           int i;
   1679 
   1680           stream->psnr_sse_total += pkt->data.psnr.sse[0];
   1681           stream->psnr_samples_total += pkt->data.psnr.samples[0];
   1682           for (i = 0; i < 4; i++) {
   1683             if (!global->quiet)
   1684               fprintf(stderr, "%.3f ", pkt->data.psnr.psnr[i]);
   1685             stream->psnr_totals[i] += pkt->data.psnr.psnr[i];
   1686           }
   1687           stream->psnr_count++;
   1688         }
   1689 
   1690         break;
   1691       default:
   1692         break;
   1693     }
   1694   }
   1695 }
   1696 
   1697 
   1698 static void show_psnr(struct stream_state  *stream) {
   1699   int i;
   1700   double ovpsnr;
   1701 
   1702   if (!stream->psnr_count)
   1703     return;
   1704 
   1705   fprintf(stderr, "Stream %d PSNR (Overall/Avg/Y/U/V)", stream->index);
   1706   ovpsnr = sse_to_psnr((double)stream->psnr_samples_total, 255.0,
   1707                        (double)stream->psnr_sse_total);
   1708   fprintf(stderr, " %.3f", ovpsnr);
   1709 
   1710   for (i = 0; i < 4; i++) {
   1711     fprintf(stderr, " %.3f", stream->psnr_totals[i] / stream->psnr_count);
   1712   }
   1713   fprintf(stderr, "\n");
   1714 }
   1715 
   1716 
   1717 static float usec_to_fps(uint64_t usec, unsigned int frames) {
   1718   return (float)(usec > 0 ? frames * 1000000.0 / (float)usec : 0);
   1719 }
   1720 
   1721 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
   1722 static void high_img_upshift(vpx_image_t *dst, vpx_image_t *src,
   1723                              int input_shift) {
   1724   // Note the offset is 1 less than half
   1725   const int offset = input_shift > 0 ? (1 << (input_shift - 1)) - 1 : 0;
   1726   int plane;
   1727   if (dst->w != src->w || dst->h != src->h ||
   1728       dst->x_chroma_shift != src->x_chroma_shift ||
   1729       dst->y_chroma_shift != src->y_chroma_shift ||
   1730       dst->fmt != src->fmt || input_shift < 0) {
   1731     fatal("Unsupported image conversion");
   1732   }
   1733   switch (src->fmt) {
   1734     case VPX_IMG_FMT_I42016:
   1735     case VPX_IMG_FMT_I42216:
   1736     case VPX_IMG_FMT_I44416:
   1737       break;
   1738     default:
   1739       fatal("Unsupported image conversion");
   1740       break;
   1741   }
   1742   for (plane = 0; plane < 3; plane++) {
   1743     int w = src->w;
   1744     int h = src->h;
   1745     int x, y;
   1746     if (plane) {
   1747       w >>= src->x_chroma_shift;
   1748       h >>= src->y_chroma_shift;
   1749     }
   1750     for (y = 0; y < h; y++) {
   1751       uint16_t *p_src = (uint16_t *)(src->planes[plane] +
   1752                                      y * src->stride[plane]);
   1753       uint16_t *p_dst = (uint16_t *)(dst->planes[plane] +
   1754                                      y * dst->stride[plane]);
   1755       for (x = 0; x < w; x++)
   1756         *p_dst++ = (*p_src++ << input_shift) + offset;
   1757     }
   1758   }
   1759 }
   1760 
   1761 static void low_img_upshift(vpx_image_t *dst, vpx_image_t *src,
   1762                             int input_shift) {
   1763   // Note the offset is 1 less than half
   1764   const int offset = input_shift > 0 ? (1 << (input_shift - 1)) - 1 : 0;
   1765   int plane;
   1766   if (dst->w != src->w || dst->h != src->h ||
   1767       dst->x_chroma_shift != src->x_chroma_shift ||
   1768       dst->y_chroma_shift != src->y_chroma_shift ||
   1769       dst->fmt != src->fmt + VPX_IMG_FMT_HIGHBITDEPTH ||
   1770       input_shift < 0) {
   1771     fatal("Unsupported image conversion");
   1772   }
   1773   switch (src->fmt) {
   1774     case VPX_IMG_FMT_I420:
   1775     case VPX_IMG_FMT_I422:
   1776     case VPX_IMG_FMT_I444:
   1777       break;
   1778     default:
   1779       fatal("Unsupported image conversion");
   1780       break;
   1781   }
   1782   for (plane = 0; plane < 3; plane++) {
   1783     int w = src->w;
   1784     int h = src->h;
   1785     int x, y;
   1786     if (plane) {
   1787       w >>= src->x_chroma_shift;
   1788       h >>= src->y_chroma_shift;
   1789     }
   1790     for (y = 0; y < h; y++) {
   1791       uint8_t *p_src = src->planes[plane] + y * src->stride[plane];
   1792       uint16_t *p_dst = (uint16_t *)(dst->planes[plane] +
   1793                                      y * dst->stride[plane]);
   1794       for (x = 0; x < w; x++) {
   1795         *p_dst++ = (*p_src++ << input_shift) + offset;
   1796       }
   1797     }
   1798   }
   1799 }
   1800 
   1801 static void img_upshift(vpx_image_t *dst, vpx_image_t *src,
   1802                         int input_shift) {
   1803   if (src->fmt & VPX_IMG_FMT_HIGHBITDEPTH) {
   1804     high_img_upshift(dst, src, input_shift);
   1805   } else {
   1806     low_img_upshift(dst, src, input_shift);
   1807   }
   1808 }
   1809 
   1810 static void img_cast_16_to_8(vpx_image_t *dst, vpx_image_t *src) {
   1811   int plane;
   1812   if (dst->fmt + VPX_IMG_FMT_HIGHBITDEPTH != src->fmt ||
   1813       dst->d_w != src->d_w || dst->d_h != src->d_h ||
   1814       dst->x_chroma_shift != src->x_chroma_shift ||
   1815       dst->y_chroma_shift != src->y_chroma_shift) {
   1816     fatal("Unsupported image conversion");
   1817   }
   1818   switch (dst->fmt) {
   1819     case VPX_IMG_FMT_I420:
   1820     case VPX_IMG_FMT_I422:
   1821     case VPX_IMG_FMT_I444:
   1822       break;
   1823     default:
   1824       fatal("Unsupported image conversion");
   1825       break;
   1826   }
   1827   for (plane = 0; plane < 3; plane++) {
   1828     int w = src->d_w;
   1829     int h = src->d_h;
   1830     int x, y;
   1831     if (plane) {
   1832       w >>= src->x_chroma_shift;
   1833       h >>= src->y_chroma_shift;
   1834     }
   1835     for (y = 0; y < h; y++) {
   1836       uint16_t *p_src = (uint16_t *)(src->planes[plane] +
   1837                                      y * src->stride[plane]);
   1838       uint8_t *p_dst = dst->planes[plane] + y * dst->stride[plane];
   1839       for (x = 0; x < w; x++) {
   1840         *p_dst++ = *p_src++;
   1841       }
   1842     }
   1843   }
   1844 }
   1845 #endif
   1846 
   1847 static void test_decode(struct stream_state  *stream,
   1848                         enum TestDecodeFatality fatal,
   1849                         const VpxInterface *codec) {
   1850   vpx_image_t enc_img, dec_img;
   1851 
   1852   if (stream->mismatch_seen)
   1853     return;
   1854 
   1855   /* Get the internal reference frame */
   1856   if (strcmp(codec->name, "vp8") == 0) {
   1857     struct vpx_ref_frame ref_enc, ref_dec;
   1858     int width, height;
   1859 
   1860     width = (stream->config.cfg.g_w + 15) & ~15;
   1861     height = (stream->config.cfg.g_h + 15) & ~15;
   1862     vpx_img_alloc(&ref_enc.img, VPX_IMG_FMT_I420, width, height, 1);
   1863     enc_img = ref_enc.img;
   1864     vpx_img_alloc(&ref_dec.img, VPX_IMG_FMT_I420, width, height, 1);
   1865     dec_img = ref_dec.img;
   1866 
   1867     ref_enc.frame_type = VP8_LAST_FRAME;
   1868     ref_dec.frame_type = VP8_LAST_FRAME;
   1869     vpx_codec_control(&stream->encoder, VP8_COPY_REFERENCE, &ref_enc);
   1870     vpx_codec_control(&stream->decoder, VP8_COPY_REFERENCE, &ref_dec);
   1871   } else {
   1872     struct vp9_ref_frame ref_enc, ref_dec;
   1873 
   1874     ref_enc.idx = 0;
   1875     ref_dec.idx = 0;
   1876     vpx_codec_control(&stream->encoder, VP9_GET_REFERENCE, &ref_enc);
   1877     enc_img = ref_enc.img;
   1878     vpx_codec_control(&stream->decoder, VP9_GET_REFERENCE, &ref_dec);
   1879     dec_img = ref_dec.img;
   1880 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
   1881     if ((enc_img.fmt & VPX_IMG_FMT_HIGHBITDEPTH) !=
   1882         (dec_img.fmt & VPX_IMG_FMT_HIGHBITDEPTH)) {
   1883       if (enc_img.fmt & VPX_IMG_FMT_HIGHBITDEPTH) {
   1884         vpx_img_alloc(&enc_img, enc_img.fmt - VPX_IMG_FMT_HIGHBITDEPTH,
   1885                       enc_img.d_w, enc_img.d_h, 16);
   1886         img_cast_16_to_8(&enc_img, &ref_enc.img);
   1887       }
   1888       if (dec_img.fmt & VPX_IMG_FMT_HIGHBITDEPTH) {
   1889         vpx_img_alloc(&dec_img, dec_img.fmt - VPX_IMG_FMT_HIGHBITDEPTH,
   1890                       dec_img.d_w, dec_img.d_h, 16);
   1891         img_cast_16_to_8(&dec_img, &ref_dec.img);
   1892       }
   1893     }
   1894 #endif
   1895   }
   1896   ctx_exit_on_error(&stream->encoder, "Failed to get encoder reference frame");
   1897   ctx_exit_on_error(&stream->decoder, "Failed to get decoder reference frame");
   1898 
   1899   if (!compare_img(&enc_img, &dec_img)) {
   1900     int y[4], u[4], v[4];
   1901 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
   1902     if (enc_img.fmt & VPX_IMG_FMT_HIGHBITDEPTH) {
   1903       find_mismatch_high(&enc_img, &dec_img, y, u, v);
   1904     } else {
   1905       find_mismatch(&enc_img, &dec_img, y, u, v);
   1906     }
   1907 #else
   1908     find_mismatch(&enc_img, &dec_img, y, u, v);
   1909 #endif
   1910     stream->decoder.err = 1;
   1911     warn_or_exit_on_error(&stream->decoder, fatal == TEST_DECODE_FATAL,
   1912                           "Stream %d: Encode/decode mismatch on frame %d at"
   1913                           " Y[%d, %d] {%d/%d},"
   1914                           " U[%d, %d] {%d/%d},"
   1915                           " V[%d, %d] {%d/%d}",
   1916                           stream->index, stream->frames_out,
   1917                           y[0], y[1], y[2], y[3],
   1918                           u[0], u[1], u[2], u[3],
   1919                           v[0], v[1], v[2], v[3]);
   1920     stream->mismatch_seen = stream->frames_out;
   1921   }
   1922 
   1923   vpx_img_free(&enc_img);
   1924   vpx_img_free(&dec_img);
   1925 }
   1926 
   1927 
   1928 static void print_time(const char *label, int64_t etl) {
   1929   int64_t hours;
   1930   int64_t mins;
   1931   int64_t secs;
   1932 
   1933   if (etl >= 0) {
   1934     hours = etl / 3600;
   1935     etl -= hours * 3600;
   1936     mins = etl / 60;
   1937     etl -= mins * 60;
   1938     secs = etl;
   1939 
   1940     fprintf(stderr, "[%3s %2"PRId64":%02"PRId64":%02"PRId64"] ",
   1941             label, hours, mins, secs);
   1942   } else {
   1943     fprintf(stderr, "[%3s  unknown] ", label);
   1944   }
   1945 }
   1946 
   1947 
   1948 int main(int argc, const char **argv_) {
   1949   int pass;
   1950   vpx_image_t raw;
   1951 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
   1952   vpx_image_t raw_shift;
   1953   int allocated_raw_shift = 0;
   1954   int use_16bit_internal = 0;
   1955   int input_shift = 0;
   1956 #endif
   1957   int frame_avail, got_data;
   1958 
   1959   struct VpxInputContext input;
   1960   struct VpxEncoderConfig global;
   1961   struct stream_state *streams = NULL;
   1962   char **argv, **argi;
   1963   uint64_t cx_time = 0;
   1964   int stream_cnt = 0;
   1965   int res = 0;
   1966 
   1967   memset(&input, 0, sizeof(input));
   1968   exec_name = argv_[0];
   1969 
   1970   if (argc < 3)
   1971     usage_exit();
   1972 
   1973   /* Setup default input stream settings */
   1974   input.framerate.numerator = 30;
   1975   input.framerate.denominator = 1;
   1976   input.only_i420 = 1;
   1977   input.bit_depth = 0;
   1978 
   1979   /* First parse the global configuration values, because we want to apply
   1980    * other parameters on top of the default configuration provided by the
   1981    * codec.
   1982    */
   1983   argv = argv_dup(argc - 1, argv_ + 1);
   1984   parse_global_config(&global, argv);
   1985 
   1986   switch (global.color_type) {
   1987     case I420:
   1988       input.fmt = VPX_IMG_FMT_I420;
   1989       break;
   1990     case I422:
   1991       input.fmt = VPX_IMG_FMT_I422;
   1992       break;
   1993     case I444:
   1994       input.fmt = VPX_IMG_FMT_I444;
   1995       break;
   1996     case YV12:
   1997       input.fmt = VPX_IMG_FMT_YV12;
   1998       break;
   1999   }
   2000 
   2001   {
   2002     /* Now parse each stream's parameters. Using a local scope here
   2003      * due to the use of 'stream' as loop variable in FOREACH_STREAM
   2004      * loops
   2005      */
   2006     struct stream_state *stream = NULL;
   2007 
   2008     do {
   2009       stream = new_stream(&global, stream);
   2010       stream_cnt++;
   2011       if (!streams)
   2012         streams = stream;
   2013     } while (parse_stream_params(&global, stream, argv));
   2014   }
   2015 
   2016   /* Check for unrecognized options */
   2017   for (argi = argv; *argi; argi++)
   2018     if (argi[0][0] == '-' && argi[0][1])
   2019       die("Error: Unrecognized option %s\n", *argi);
   2020 
   2021   FOREACH_STREAM(check_encoder_config(global.disable_warning_prompt,
   2022                                       &global, &stream->config.cfg););
   2023 
   2024   /* Handle non-option arguments */
   2025   input.filename = argv[0];
   2026 
   2027   if (!input.filename)
   2028     usage_exit();
   2029 
   2030   /* Decide if other chroma subsamplings than 4:2:0 are supported */
   2031   if (global.codec->fourcc == VP9_FOURCC)
   2032     input.only_i420 = 0;
   2033 
   2034   for (pass = global.pass ? global.pass - 1 : 0; pass < global.passes; pass++) {
   2035     int frames_in = 0, seen_frames = 0;
   2036     int64_t estimated_time_left = -1;
   2037     int64_t average_rate = -1;
   2038     int64_t lagged_count = 0;
   2039 
   2040     open_input_file(&input);
   2041 
   2042     /* If the input file doesn't specify its w/h (raw files), try to get
   2043      * the data from the first stream's configuration.
   2044      */
   2045     if (!input.width || !input.height)
   2046       FOREACH_STREAM( {
   2047       if (stream->config.cfg.g_w && stream->config.cfg.g_h) {
   2048         input.width = stream->config.cfg.g_w;
   2049         input.height = stream->config.cfg.g_h;
   2050         break;
   2051       }
   2052     });
   2053 
   2054     /* Update stream configurations from the input file's parameters */
   2055     if (!input.width || !input.height)
   2056       fatal("Specify stream dimensions with --width (-w) "
   2057             " and --height (-h)");
   2058 
   2059     /* If input file does not specify bit-depth but input-bit-depth parameter
   2060      * exists, assume that to be the input bit-depth. However, if the
   2061      * input-bit-depth paramter does not exist, assume the input bit-depth
   2062      * to be the same as the codec bit-depth.
   2063      */
   2064     if (!input.bit_depth) {
   2065       FOREACH_STREAM({
   2066         if (stream->config.cfg.g_input_bit_depth)
   2067           input.bit_depth = stream->config.cfg.g_input_bit_depth;
   2068         else
   2069           input.bit_depth = stream->config.cfg.g_input_bit_depth =
   2070               (int)stream->config.cfg.g_bit_depth;
   2071       });
   2072       if (input.bit_depth > 8) input.fmt |= VPX_IMG_FMT_HIGHBITDEPTH;
   2073     } else {
   2074       FOREACH_STREAM({
   2075         stream->config.cfg.g_input_bit_depth = input.bit_depth;
   2076       });
   2077     }
   2078 
   2079     FOREACH_STREAM(set_stream_dimensions(stream, input.width, input.height));
   2080     FOREACH_STREAM(validate_stream_config(stream, &global));
   2081 
   2082     /* Ensure that --passes and --pass are consistent. If --pass is set and
   2083      * --passes=2, ensure --fpf was set.
   2084      */
   2085     if (global.pass && global.passes == 2)
   2086       FOREACH_STREAM( {
   2087       if (!stream->config.stats_fn)
   2088         die("Stream %d: Must specify --fpf when --pass=%d"
   2089         " and --passes=2\n", stream->index, global.pass);
   2090     });
   2091 
   2092 #if !CONFIG_WEBM_IO
   2093     FOREACH_STREAM({
   2094       stream->config.write_webm = 0;
   2095       warn("vpxenc was compiled without WebM container support."
   2096            "Producing IVF output");
   2097     });
   2098 #endif
   2099 
   2100     /* Use the frame rate from the file only if none was specified
   2101      * on the command-line.
   2102      */
   2103     if (!global.have_framerate) {
   2104       global.framerate.num = input.framerate.numerator;
   2105       global.framerate.den = input.framerate.denominator;
   2106     }
   2107 
   2108     FOREACH_STREAM(set_default_kf_interval(stream, &global));
   2109 
   2110     /* Show configuration */
   2111     if (global.verbose && pass == 0)
   2112       FOREACH_STREAM(show_stream_config(stream, &global, &input));
   2113 
   2114     if (pass == (global.pass ? global.pass - 1 : 0)) {
   2115       if (input.file_type == FILE_TYPE_Y4M)
   2116         /*The Y4M reader does its own allocation.
   2117           Just initialize this here to avoid problems if we never read any
   2118            frames.*/
   2119         memset(&raw, 0, sizeof(raw));
   2120       else
   2121         vpx_img_alloc(&raw, input.fmt, input.width, input.height, 32);
   2122 
   2123       FOREACH_STREAM(stream->rate_hist =
   2124                          init_rate_histogram(&stream->config.cfg,
   2125                                              &global.framerate));
   2126     }
   2127 
   2128     FOREACH_STREAM(setup_pass(stream, &global, pass));
   2129     FOREACH_STREAM(open_output_file(stream, &global));
   2130     FOREACH_STREAM(initialize_encoder(stream, &global));
   2131 
   2132 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
   2133     if (strcmp(global.codec->name, "vp9") == 0) {
   2134       // Check to see if at least one stream uses 16 bit internal.
   2135       // Currently assume that the bit_depths for all streams using
   2136       // highbitdepth are the same.
   2137       FOREACH_STREAM({
   2138         if (stream->config.use_16bit_internal) {
   2139           use_16bit_internal = 1;
   2140         }
   2141         if (stream->config.cfg.g_profile == 0) {
   2142           input_shift = 0;
   2143         } else {
   2144           input_shift = (int)stream->config.cfg.g_bit_depth -
   2145               stream->config.cfg.g_input_bit_depth;
   2146         }
   2147       });
   2148     }
   2149 #endif
   2150 
   2151     frame_avail = 1;
   2152     got_data = 0;
   2153 
   2154     while (frame_avail || got_data) {
   2155       struct vpx_usec_timer timer;
   2156 
   2157       if (!global.limit || frames_in < global.limit) {
   2158         frame_avail = read_frame(&input, &raw);
   2159 
   2160         if (frame_avail)
   2161           frames_in++;
   2162         seen_frames = frames_in > global.skip_frames ?
   2163                           frames_in - global.skip_frames : 0;
   2164 
   2165         if (!global.quiet) {
   2166           float fps = usec_to_fps(cx_time, seen_frames);
   2167           fprintf(stderr, "\rPass %d/%d ", pass + 1, global.passes);
   2168 
   2169           if (stream_cnt == 1)
   2170             fprintf(stderr,
   2171                     "frame %4d/%-4d %7"PRId64"B ",
   2172                     frames_in, streams->frames_out, (int64_t)streams->nbytes);
   2173           else
   2174             fprintf(stderr, "frame %4d ", frames_in);
   2175 
   2176           fprintf(stderr, "%7"PRId64" %s %.2f %s ",
   2177                   cx_time > 9999999 ? cx_time / 1000 : cx_time,
   2178                   cx_time > 9999999 ? "ms" : "us",
   2179                   fps >= 1.0 ? fps : fps * 60,
   2180                   fps >= 1.0 ? "fps" : "fpm");
   2181           print_time("ETA", estimated_time_left);
   2182         }
   2183 
   2184       } else
   2185         frame_avail = 0;
   2186 
   2187       if (frames_in > global.skip_frames) {
   2188 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
   2189         vpx_image_t *frame_to_encode;
   2190         if (input_shift || (use_16bit_internal && input.bit_depth == 8)) {
   2191           assert(use_16bit_internal);
   2192           // Input bit depth and stream bit depth do not match, so up
   2193           // shift frame to stream bit depth
   2194           if (!allocated_raw_shift) {
   2195             vpx_img_alloc(&raw_shift, raw.fmt | VPX_IMG_FMT_HIGHBITDEPTH,
   2196                           input.width, input.height, 32);
   2197             allocated_raw_shift = 1;
   2198           }
   2199           img_upshift(&raw_shift, &raw, input_shift);
   2200           frame_to_encode = &raw_shift;
   2201         } else {
   2202           frame_to_encode = &raw;
   2203         }
   2204         vpx_usec_timer_start(&timer);
   2205         if (use_16bit_internal) {
   2206           assert(frame_to_encode->fmt & VPX_IMG_FMT_HIGHBITDEPTH);
   2207           FOREACH_STREAM({
   2208             if (stream->config.use_16bit_internal)
   2209               encode_frame(stream, &global,
   2210                            frame_avail ? frame_to_encode : NULL,
   2211                            frames_in);
   2212             else
   2213               assert(0);
   2214           });
   2215         } else {
   2216           assert((frame_to_encode->fmt & VPX_IMG_FMT_HIGHBITDEPTH) == 0);
   2217           FOREACH_STREAM(encode_frame(stream, &global,
   2218                                       frame_avail ? frame_to_encode : NULL,
   2219                                       frames_in));
   2220         }
   2221 #else
   2222         vpx_usec_timer_start(&timer);
   2223         FOREACH_STREAM(encode_frame(stream, &global,
   2224                                     frame_avail ? &raw : NULL,
   2225                                     frames_in));
   2226 #endif
   2227         vpx_usec_timer_mark(&timer);
   2228         cx_time += vpx_usec_timer_elapsed(&timer);
   2229 
   2230         FOREACH_STREAM(update_quantizer_histogram(stream));
   2231 
   2232         got_data = 0;
   2233         FOREACH_STREAM(get_cx_data(stream, &global, &got_data));
   2234 
   2235         if (!got_data && input.length && streams != NULL &&
   2236             !streams->frames_out) {
   2237           lagged_count = global.limit ? seen_frames : ftello(input.file);
   2238         } else if (input.length) {
   2239           int64_t remaining;
   2240           int64_t rate;
   2241 
   2242           if (global.limit) {
   2243             const int64_t frame_in_lagged = (seen_frames - lagged_count) * 1000;
   2244 
   2245             rate = cx_time ? frame_in_lagged * (int64_t)1000000 / cx_time : 0;
   2246             remaining = 1000 * (global.limit - global.skip_frames
   2247                                 - seen_frames + lagged_count);
   2248           } else {
   2249             const int64_t input_pos = ftello(input.file);
   2250             const int64_t input_pos_lagged = input_pos - lagged_count;
   2251             const int64_t limit = input.length;
   2252 
   2253             rate = cx_time ? input_pos_lagged * (int64_t)1000000 / cx_time : 0;
   2254             remaining = limit - input_pos + lagged_count;
   2255           }
   2256 
   2257           average_rate = (average_rate <= 0)
   2258               ? rate
   2259               : (average_rate * 7 + rate) / 8;
   2260           estimated_time_left = average_rate ? remaining / average_rate : -1;
   2261         }
   2262 
   2263         if (got_data && global.test_decode != TEST_DECODE_OFF)
   2264           FOREACH_STREAM(test_decode(stream, global.test_decode, global.codec));
   2265       }
   2266 
   2267       fflush(stdout);
   2268       if (!global.quiet)
   2269         fprintf(stderr, "\033[K");
   2270     }
   2271 
   2272     if (stream_cnt > 1)
   2273       fprintf(stderr, "\n");
   2274 
   2275     if (!global.quiet)
   2276       FOREACH_STREAM(fprintf(
   2277                        stderr,
   2278                        "\rPass %d/%d frame %4d/%-4d %7"PRId64"B %7lub/f %7"PRId64"b/s"
   2279                        " %7"PRId64" %s (%.2f fps)\033[K\n", pass + 1,
   2280                        global.passes, frames_in, stream->frames_out, (int64_t)stream->nbytes,
   2281                        seen_frames ? (unsigned long)(stream->nbytes * 8 / seen_frames) : 0,
   2282                        seen_frames ? (int64_t)stream->nbytes * 8
   2283                        * (int64_t)global.framerate.num / global.framerate.den
   2284                        / seen_frames
   2285                        : 0,
   2286                        stream->cx_time > 9999999 ? stream->cx_time / 1000 : stream->cx_time,
   2287                        stream->cx_time > 9999999 ? "ms" : "us",
   2288                        usec_to_fps(stream->cx_time, seen_frames));
   2289                     );
   2290 
   2291     if (global.show_psnr)
   2292       FOREACH_STREAM(show_psnr(stream));
   2293 
   2294     FOREACH_STREAM(vpx_codec_destroy(&stream->encoder));
   2295 
   2296     if (global.test_decode != TEST_DECODE_OFF) {
   2297       FOREACH_STREAM(vpx_codec_destroy(&stream->decoder));
   2298     }
   2299 
   2300     close_input_file(&input);
   2301 
   2302     if (global.test_decode == TEST_DECODE_FATAL) {
   2303       FOREACH_STREAM(res |= stream->mismatch_seen);
   2304     }
   2305     FOREACH_STREAM(close_output_file(stream, global.codec->fourcc));
   2306 
   2307     FOREACH_STREAM(stats_close(&stream->stats, global.passes - 1));
   2308 
   2309 #if CONFIG_FP_MB_STATS
   2310     FOREACH_STREAM(stats_close(&stream->fpmb_stats, global.passes - 1));
   2311 #endif
   2312 
   2313     if (global.pass)
   2314       break;
   2315   }
   2316 
   2317   if (global.show_q_hist_buckets)
   2318     FOREACH_STREAM(show_q_histogram(stream->counts,
   2319                                     global.show_q_hist_buckets));
   2320 
   2321   if (global.show_rate_hist_buckets)
   2322     FOREACH_STREAM(show_rate_histogram(stream->rate_hist,
   2323                                        &stream->config.cfg,
   2324                                        global.show_rate_hist_buckets));
   2325   FOREACH_STREAM(destroy_rate_histogram(stream->rate_hist));
   2326 
   2327 #if CONFIG_INTERNAL_STATS
   2328   /* TODO(jkoleszar): This doesn't belong in this executable. Do it for now,
   2329    * to match some existing utilities.
   2330    */
   2331   if (!(global.pass == 1 && global.passes == 2))
   2332     FOREACH_STREAM({
   2333       FILE *f = fopen("opsnr.stt", "a");
   2334       if (stream->mismatch_seen) {
   2335         fprintf(f, "First mismatch occurred in frame %d\n",
   2336                 stream->mismatch_seen);
   2337       } else {
   2338         fprintf(f, "No mismatch detected in recon buffers\n");
   2339       }
   2340       fclose(f);
   2341     });
   2342 #endif
   2343 
   2344 #if CONFIG_VP9 && CONFIG_VP9_HIGHBITDEPTH
   2345   if (allocated_raw_shift)
   2346     vpx_img_free(&raw_shift);
   2347 #endif
   2348   vpx_img_free(&raw);
   2349   free(argv);
   2350   free(streams);
   2351   return res ? EXIT_FAILURE : EXIT_SUCCESS;
   2352 }
   2353