vpxenc.c 63.4 KB
Newer Older
John Koleszar's avatar
John Koleszar committed
1
/*
2
 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
John Koleszar's avatar
John Koleszar committed
3
 *
4
 *  Use of this source code is governed by a BSD-style license
5 6
 *  that can be found in the LICENSE file in the root of the source
 *  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.
John Koleszar's avatar
John Koleszar committed
9 10
 */

11
#include "./vpxenc.h"
12
#include "./vpx_config.h"
John Koleszar's avatar
John Koleszar committed
13

14 15
#include <assert.h>
#include <limits.h>
16
#include <math.h>
17
#include <stdarg.h>
John Koleszar's avatar
John Koleszar committed
18 19 20
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
21

22
#include "vpx/vpx_encoder.h"
23
#if CONFIG_DECODERS
John Koleszar's avatar
John Koleszar committed
24
#include "vpx/vpx_decoder.h"
25
#endif
John Koleszar's avatar
John Koleszar committed
26

27
#include "third_party/libyuv/include/libyuv/scale.h"
28 29
#include "./args.h"
#include "./ivfenc.h"
Tom Finegan's avatar
Tom Finegan committed
30
#include "./tools_common.h"
31

32
#if CONFIG_VP8_ENCODER || CONFIG_VP9_ENCODER
33
#include "vpx/vp8cx.h"
John Koleszar's avatar
John Koleszar committed
34
#endif
35
#if CONFIG_VP8_DECODER || CONFIG_VP9_DECODER
36
#include "vpx/vp8dx.h"
John Koleszar's avatar
John Koleszar committed
37 38
#endif

Tom Finegan's avatar
Tom Finegan committed
39
#include "vpx/vpx_integer.h"
John Koleszar's avatar
John Koleszar committed
40 41
#include "vpx_ports/mem_ops.h"
#include "vpx_ports/vpx_timer.h"
42
#include "./rate_hist.h"
43
#include "./vpxstats.h"
44
#include "./warnings.h"
45 46
#include "./webmenc.h"
#include "./y4minput.h"
47

John Koleszar's avatar
John Koleszar committed
48 49
/* Swallow warnings about unused results of fread/fwrite */
static size_t wrap_fread(void *ptr, size_t size, size_t nmemb,
John Koleszar's avatar
John Koleszar committed
50 51
                         FILE *stream) {
  return fread(ptr, size, nmemb, stream);
John Koleszar's avatar
John Koleszar committed
52 53 54 55
}
#define fread wrap_fread

static size_t wrap_fwrite(const void *ptr, size_t size, size_t nmemb,
John Koleszar's avatar
John Koleszar committed
56 57
                          FILE *stream) {
  return fwrite(ptr, size, nmemb, stream);
John Koleszar's avatar
John Koleszar committed
58 59 60 61
}
#define fwrite wrap_fwrite


John Koleszar's avatar
John Koleszar committed
62 63
static const char *exec_name;

64 65
static void warn_or_exit_on_errorv(vpx_codec_ctx_t *ctx, int fatal,
                                   const char *s, va_list ap) {
John Koleszar's avatar
John Koleszar committed
66 67
  if (ctx->err) {
    const char *detail = vpx_codec_error_detail(ctx);
John Koleszar's avatar
John Koleszar committed
68

John Koleszar's avatar
John Koleszar committed
69 70
    vfprintf(stderr, s, ap);
    fprintf(stderr, ": %s\n", vpx_codec_error(ctx));
John Koleszar's avatar
John Koleszar committed
71

John Koleszar's avatar
John Koleszar committed
72 73
    if (detail)
      fprintf(stderr, "    %s\n", detail);
John Koleszar's avatar
John Koleszar committed
74

75 76
    if (fatal)
      exit(EXIT_FAILURE);
John Koleszar's avatar
John Koleszar committed
77
  }
John Koleszar's avatar
John Koleszar committed
78 79
}

80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96
static void ctx_exit_on_error(vpx_codec_ctx_t *ctx, const char *s, ...) {
  va_list ap;

  va_start(ap, s);
  warn_or_exit_on_errorv(ctx, 1, s, ap);
  va_end(ap);
}

static void warn_or_exit_on_error(vpx_codec_ctx_t *ctx, int fatal,
                                  const char *s, ...) {
  va_list ap;

  va_start(ap, s);
  warn_or_exit_on_errorv(ctx, fatal, s, ap);
  va_end(ap);
}

97 98 99
int read_frame(struct VpxInputContext *input_ctx, vpx_image_t *img) {
  FILE *f = input_ctx->file;
  y4m_input *y4m = &input_ctx->y4m;
John Koleszar's avatar
John Koleszar committed
100 101
  int shortread = 0;

102
  if (input_ctx->file_type == FILE_TYPE_Y4M) {
John Koleszar's avatar
John Koleszar committed
103 104 105
    if (y4m_input_fetch_frame(y4m, f, img) < 1)
      return 0;
  } else {
106
    shortread = read_yuv_frame(input_ctx, img);
John Koleszar's avatar
John Koleszar committed
107
  }
John Koleszar's avatar
John Koleszar committed
108

John Koleszar's avatar
John Koleszar committed
109
  return !shortread;
John Koleszar's avatar
John Koleszar committed
110 111
}

112
int file_is_y4m(const char detect[4]) {
John Koleszar's avatar
John Koleszar committed
113 114 115 116
  if (memcmp(detect, "YUV4", 4) == 0) {
    return 1;
  }
  return 0;
117 118
}

119 120 121 122 123 124
int fourcc_is_ivf(const char detect[4]) {
  if (memcmp(detect, "DKIF", 4) == 0) {
    return 1;
  }
  return 0;
}
John Koleszar's avatar
John Koleszar committed
125

126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174
#if CONFIG_WEBM_IO
/* Murmur hash derived from public domain reference implementation at
 *   http:// sites.google.com/site/murmurhash/
 */
static unsigned int murmur(const void *key, int len, unsigned int seed) {
  const unsigned int m = 0x5bd1e995;
  const int r = 24;

  unsigned int h = seed ^ len;

  const unsigned char *data = (const unsigned char *)key;

  while (len >= 4) {
    unsigned int k;

    k  = (unsigned int)data[0];
    k |= (unsigned int)data[1] << 8;
    k |= (unsigned int)data[2] << 16;
    k |= (unsigned int)data[3] << 24;

    k *= m;
    k ^= k >> r;
    k *= m;

    h *= m;
    h ^= k;

    data += 4;
    len -= 4;
  }

  switch (len) {
    case 3:
      h ^= data[2] << 16;
    case 2:
      h ^= data[1] << 8;
    case 1:
      h ^= data[0];
      h *= m;
  };

  h ^= h >> 13;
  h *= m;
  h ^= h >> 15;

  return h;
}
#endif  // CONFIG_WEBM_IO

175
static const arg_def_t debugmode = ARG_DEF("D", "debug", 0,
John Koleszar's avatar
John Koleszar committed
176
                                           "Debug mode (makes output deterministic)");
177
static const arg_def_t outputfile = ARG_DEF("o", "output", 1,
John Koleszar's avatar
John Koleszar committed
178
                                            "Output filename");
John Koleszar's avatar
John Koleszar committed
179
static const arg_def_t use_yv12 = ARG_DEF(NULL, "yv12", 0,
John Koleszar's avatar
John Koleszar committed
180
                                          "Input file is YV12 ");
John Koleszar's avatar
John Koleszar committed
181
static const arg_def_t use_i420 = ARG_DEF(NULL, "i420", 0,
John Koleszar's avatar
John Koleszar committed
182
                                          "Input file is I420 (default)");
John Koleszar's avatar
John Koleszar committed
183
static const arg_def_t codecarg = ARG_DEF(NULL, "codec", 1,
John Koleszar's avatar
John Koleszar committed
184
                                          "Codec to use");
John Koleszar's avatar
John Koleszar committed
185
static const arg_def_t passes           = ARG_DEF("p", "passes", 1,
John Koleszar's avatar
John Koleszar committed
186
                                                  "Number of passes (1/2)");
John Koleszar's avatar
John Koleszar committed
187
static const arg_def_t pass_arg         = ARG_DEF(NULL, "pass", 1,
John Koleszar's avatar
John Koleszar committed
188
                                                  "Pass to execute (1/2)");
John Koleszar's avatar
John Koleszar committed
189
static const arg_def_t fpf_name         = ARG_DEF(NULL, "fpf", 1,
John Koleszar's avatar
John Koleszar committed
190
                                                  "First pass statistics file name");
John Koleszar's avatar
John Koleszar committed
191 192
static const arg_def_t limit = ARG_DEF(NULL, "limit", 1,
                                       "Stop encoding after n input frames");
193
static const arg_def_t skip = ARG_DEF(NULL, "skip", 1,
John Koleszar's avatar
John Koleszar committed
194
                                      "Skip the first n input frames");
John Koleszar's avatar
John Koleszar committed
195
static const arg_def_t deadline         = ARG_DEF("d", "deadline", 1,
John Koleszar's avatar
John Koleszar committed
196
                                                  "Deadline per frame (usec)");
John Koleszar's avatar
John Koleszar committed
197
static const arg_def_t best_dl          = ARG_DEF(NULL, "best", 0,
John Koleszar's avatar
John Koleszar committed
198
                                                  "Use Best Quality Deadline");
John Koleszar's avatar
John Koleszar committed
199
static const arg_def_t good_dl          = ARG_DEF(NULL, "good", 0,
John Koleszar's avatar
John Koleszar committed
200
                                                  "Use Good Quality Deadline");
John Koleszar's avatar
John Koleszar committed
201
static const arg_def_t rt_dl            = ARG_DEF(NULL, "rt", 0,
John Koleszar's avatar
John Koleszar committed
202
                                                  "Use Realtime Quality Deadline");
James Zern's avatar
James Zern committed
203
static const arg_def_t quietarg         = ARG_DEF("q", "quiet", 0,
John Koleszar's avatar
John Koleszar committed
204
                                                  "Do not print encode progress");
John Koleszar's avatar
John Koleszar committed
205
static const arg_def_t verbosearg       = ARG_DEF("v", "verbose", 0,
John Koleszar's avatar
John Koleszar committed
206
                                                  "Show encoder parameters");
John Koleszar's avatar
John Koleszar committed
207
static const arg_def_t psnrarg          = ARG_DEF(NULL, "psnr", 0,
John Koleszar's avatar
John Koleszar committed
208
                                                  "Show PSNR in status line");
209

210 211 212 213 214 215 216 217 218
static const struct arg_enum_list test_decode_enum[] = {
  {"off",   TEST_DECODE_OFF},
  {"fatal", TEST_DECODE_FATAL},
  {"warn",  TEST_DECODE_WARN},
  {NULL, 0}
};
static const arg_def_t recontest = ARG_DEF_ENUM(NULL, "test-decode", 1,
                                                "Test encode/decode mismatch",
                                                test_decode_enum);
219
static const arg_def_t framerate        = ARG_DEF(NULL, "fps", 1,
John Koleszar's avatar
John Koleszar committed
220
                                                  "Stream frame rate (rate/scale)");
John Koleszar's avatar
John Koleszar committed
221
static const arg_def_t use_ivf          = ARG_DEF(NULL, "ivf", 0,
222
                                                  "Output IVF (default is WebM if WebM IO is enabled)");
223
static const arg_def_t out_part = ARG_DEF("P", "output-partitions", 0,
John Koleszar's avatar
John Koleszar committed
224
                                          "Makes encoder output partitions. Requires IVF output!");
225
static const arg_def_t q_hist_n         = ARG_DEF(NULL, "q-hist", 1,
John Koleszar's avatar
John Koleszar committed
226
                                                  "Show quantizer histogram (n-buckets)");
227
static const arg_def_t rate_hist_n         = ARG_DEF(NULL, "rate-hist", 1,
John Koleszar's avatar
John Koleszar committed
228
                                                     "Show rate histogram (n-buckets)");
229 230 231
static const arg_def_t disable_warnings =
    ARG_DEF(NULL, "disable-warnings", 0,
            "Disable warnings about potentially incorrect encode settings.");
232 233 234
static const arg_def_t disable_warning_prompt =
    ARG_DEF("y", "disable-warning-prompt", 0,
            "Display warnings, but do not prompt user to continue.");
235 236 237 238
static const arg_def_t experimental_bitstream =
    ARG_DEF(NULL, "experimental-bitstream", 0,
            "Allow experimental bitstream features.");

239

John Koleszar's avatar
John Koleszar committed
240 241 242
static const arg_def_t *main_args[] = {
  &debugmode,
  &outputfile, &codecarg, &passes, &pass_arg, &fpf_name, &limit, &skip,
John Koleszar's avatar
John Koleszar committed
243
  &deadline, &best_dl, &good_dl, &rt_dl,
244
  &quietarg, &verbosearg, &psnrarg, &use_ivf, &out_part, &q_hist_n,
245
  &rate_hist_n, &disable_warnings, &disable_warning_prompt,
John Koleszar's avatar
John Koleszar committed
246
  NULL
John Koleszar's avatar
John Koleszar committed
247 248 249
};

static const arg_def_t usage            = ARG_DEF("u", "usage", 1,
John Koleszar's avatar
John Koleszar committed
250
                                                  "Usage profile number to use");
John Koleszar's avatar
John Koleszar committed
251
static const arg_def_t threads          = ARG_DEF("t", "threads", 1,
John Koleszar's avatar
John Koleszar committed
252
                                                  "Max number of threads to use");
John Koleszar's avatar
John Koleszar committed
253
static const arg_def_t profile          = ARG_DEF(NULL, "profile", 1,
John Koleszar's avatar
John Koleszar committed
254
                                                  "Bitstream profile number to use");
John Koleszar's avatar
John Koleszar committed
255
static const arg_def_t width            = ARG_DEF("w", "width", 1,
John Koleszar's avatar
John Koleszar committed
256
                                                  "Frame width");
John Koleszar's avatar
John Koleszar committed
257
static const arg_def_t height           = ARG_DEF("h", "height", 1,
John Koleszar's avatar
John Koleszar committed
258
                                                  "Frame height");
259
static const struct arg_enum_list stereo_mode_enum[] = {
John Koleszar's avatar
John Koleszar committed
260 261 262 263 264 265
  {"mono", STEREO_FORMAT_MONO},
  {"left-right", STEREO_FORMAT_LEFT_RIGHT},
  {"bottom-top", STEREO_FORMAT_BOTTOM_TOP},
  {"top-bottom", STEREO_FORMAT_TOP_BOTTOM},
  {"right-left", STEREO_FORMAT_RIGHT_LEFT},
  {NULL, 0}
266 267
};
static const arg_def_t stereo_mode      = ARG_DEF_ENUM(NULL, "stereo-mode", 1,
John Koleszar's avatar
John Koleszar committed
268
                                                       "Stereo 3D video format", stereo_mode_enum);
John Koleszar's avatar
John Koleszar committed
269
static const arg_def_t timebase         = ARG_DEF(NULL, "timebase", 1,
John Koleszar's avatar
John Koleszar committed
270
                                                  "Output timestamp precision (fractional seconds)");
John Koleszar's avatar
John Koleszar committed
271
static const arg_def_t error_resilient  = ARG_DEF(NULL, "error-resilient", 1,
John Koleszar's avatar
John Koleszar committed
272
                                                  "Enable error resiliency features");
John Koleszar's avatar
John Koleszar committed
273
static const arg_def_t lag_in_frames    = ARG_DEF(NULL, "lag-in-frames", 1,
John Koleszar's avatar
John Koleszar committed
274
                                                  "Max number of frames to lag");
John Koleszar's avatar
John Koleszar committed
275

John Koleszar's avatar
John Koleszar committed
276 277
static const arg_def_t *global_args[] = {
  &use_yv12, &use_i420, &usage, &threads, &profile,
278 279
  &width, &height, &stereo_mode, &timebase, &framerate,
  &error_resilient,
John Koleszar's avatar
John Koleszar committed
280
  &lag_in_frames, NULL
John Koleszar's avatar
John Koleszar committed
281 282 283
};

static const arg_def_t dropframe_thresh   = ARG_DEF(NULL, "drop-frame", 1,
John Koleszar's avatar
John Koleszar committed
284
                                                    "Temporal resampling threshold (buf %)");
John Koleszar's avatar
John Koleszar committed
285
static const arg_def_t resize_allowed     = ARG_DEF(NULL, "resize-allowed", 1,
John Koleszar's avatar
John Koleszar committed
286
                                                    "Spatial resampling enabled (bool)");
John Koleszar's avatar
John Koleszar committed
287
static const arg_def_t resize_up_thresh   = ARG_DEF(NULL, "resize-up", 1,
John Koleszar's avatar
John Koleszar committed
288
                                                    "Upscale threshold (buf %)");
John Koleszar's avatar
John Koleszar committed
289
static const arg_def_t resize_down_thresh = ARG_DEF(NULL, "resize-down", 1,
John Koleszar's avatar
John Koleszar committed
290
                                                    "Downscale threshold (buf %)");
291
static const struct arg_enum_list end_usage_enum[] = {
John Koleszar's avatar
John Koleszar committed
292 293 294
  {"vbr", VPX_VBR},
  {"cbr", VPX_CBR},
  {"cq",  VPX_CQ},
295
  {"q",   VPX_Q},
John Koleszar's avatar
John Koleszar committed
296
  {NULL, 0}
297 298
};
static const arg_def_t end_usage          = ARG_DEF_ENUM(NULL, "end-usage", 1,
John Koleszar's avatar
John Koleszar committed
299
                                                         "Rate control mode", end_usage_enum);
John Koleszar's avatar
John Koleszar committed
300
static const arg_def_t target_bitrate     = ARG_DEF(NULL, "target-bitrate", 1,
John Koleszar's avatar
John Koleszar committed
301
                                                    "Bitrate (kbps)");
John Koleszar's avatar
John Koleszar committed
302
static const arg_def_t min_quantizer      = ARG_DEF(NULL, "min-q", 1,
John Koleszar's avatar
John Koleszar committed
303
                                                    "Minimum (best) quantizer");
John Koleszar's avatar
John Koleszar committed
304
static const arg_def_t max_quantizer      = ARG_DEF(NULL, "max-q", 1,
John Koleszar's avatar
John Koleszar committed
305
                                                    "Maximum (worst) quantizer");
John Koleszar's avatar
John Koleszar committed
306
static const arg_def_t undershoot_pct     = ARG_DEF(NULL, "undershoot-pct", 1,
John Koleszar's avatar
John Koleszar committed
307
                                                    "Datarate undershoot (min) target (%)");
John Koleszar's avatar
John Koleszar committed
308
static const arg_def_t overshoot_pct      = ARG_DEF(NULL, "overshoot-pct", 1,
John Koleszar's avatar
John Koleszar committed
309
                                                    "Datarate overshoot (max) target (%)");
John Koleszar's avatar
John Koleszar committed
310
static const arg_def_t buf_sz             = ARG_DEF(NULL, "buf-sz", 1,
John Koleszar's avatar
John Koleszar committed
311
                                                    "Client buffer size (ms)");
John Koleszar's avatar
John Koleszar committed
312
static const arg_def_t buf_initial_sz     = ARG_DEF(NULL, "buf-initial-sz", 1,
John Koleszar's avatar
John Koleszar committed
313
                                                    "Client initial buffer size (ms)");
John Koleszar's avatar
John Koleszar committed
314
static const arg_def_t buf_optimal_sz     = ARG_DEF(NULL, "buf-optimal-sz", 1,
John Koleszar's avatar
John Koleszar committed
315 316 317 318 319 320
                                                    "Client optimal buffer size (ms)");
static const arg_def_t *rc_args[] = {
  &dropframe_thresh, &resize_allowed, &resize_up_thresh, &resize_down_thresh,
  &end_usage, &target_bitrate, &min_quantizer, &max_quantizer,
  &undershoot_pct, &overshoot_pct, &buf_sz, &buf_initial_sz, &buf_optimal_sz,
  NULL
John Koleszar's avatar
John Koleszar committed
321 322 323 324
};


static const arg_def_t bias_pct = ARG_DEF(NULL, "bias-pct", 1,
John Koleszar's avatar
John Koleszar committed
325
                                          "CBR/VBR bias (0=CBR, 100=VBR)");
John Koleszar's avatar
John Koleszar committed
326
static const arg_def_t minsection_pct = ARG_DEF(NULL, "minsection-pct", 1,
John Koleszar's avatar
John Koleszar committed
327
                                                "GOP min bitrate (% of target)");
John Koleszar's avatar
John Koleszar committed
328
static const arg_def_t maxsection_pct = ARG_DEF(NULL, "maxsection-pct", 1,
John Koleszar's avatar
John Koleszar committed
329 330 331
                                                "GOP max bitrate (% of target)");
static const arg_def_t *rc_twopass_args[] = {
  &bias_pct, &minsection_pct, &maxsection_pct, NULL
John Koleszar's avatar
John Koleszar committed
332 333 334 335
};


static const arg_def_t kf_min_dist = ARG_DEF(NULL, "kf-min-dist", 1,
John Koleszar's avatar
John Koleszar committed
336
                                             "Minimum keyframe interval (frames)");
John Koleszar's avatar
John Koleszar committed
337
static const arg_def_t kf_max_dist = ARG_DEF(NULL, "kf-max-dist", 1,
John Koleszar's avatar
John Koleszar committed
338
                                             "Maximum keyframe interval (frames)");
339
static const arg_def_t kf_disabled = ARG_DEF(NULL, "disable-kf", 0,
John Koleszar's avatar
John Koleszar committed
340 341 342
                                             "Disable keyframe placement");
static const arg_def_t *kf_args[] = {
  &kf_min_dist, &kf_max_dist, &kf_disabled, NULL
John Koleszar's avatar
John Koleszar committed
343 344 345 346
};


static const arg_def_t noise_sens = ARG_DEF(NULL, "noise-sensitivity", 1,
John Koleszar's avatar
John Koleszar committed
347
                                            "Noise sensitivity (frames to blur)");
John Koleszar's avatar
John Koleszar committed
348
static const arg_def_t sharpness = ARG_DEF(NULL, "sharpness", 1,
John Koleszar's avatar
John Koleszar committed
349
                                           "Filter sharpness (0-7)");
John Koleszar's avatar
John Koleszar committed
350
static const arg_def_t static_thresh = ARG_DEF(NULL, "static-thresh", 1,
John Koleszar's avatar
John Koleszar committed
351
                                               "Motion detection threshold");
John Koleszar's avatar
John Koleszar committed
352
static const arg_def_t cpu_used = ARG_DEF(NULL, "cpu-used", 1,
John Koleszar's avatar
John Koleszar committed
353
                                          "CPU Used (-16..16)");
John Koleszar's avatar
John Koleszar committed
354
static const arg_def_t auto_altref = ARG_DEF(NULL, "auto-alt-ref", 1,
John Koleszar's avatar
John Koleszar committed
355
                                             "Enable automatic alt reference frames");
John Koleszar's avatar
John Koleszar committed
356
static const arg_def_t arnr_maxframes = ARG_DEF(NULL, "arnr-maxframes", 1,
John Koleszar's avatar
John Koleszar committed
357
                                                "AltRef Max Frames");
John Koleszar's avatar
John Koleszar committed
358
static const arg_def_t arnr_strength = ARG_DEF(NULL, "arnr-strength", 1,
John Koleszar's avatar
John Koleszar committed
359
                                               "AltRef Strength");
John Koleszar's avatar
John Koleszar committed
360
static const arg_def_t arnr_type = ARG_DEF(NULL, "arnr-type", 1,
John Koleszar's avatar
John Koleszar committed
361
                                           "AltRef Type");
John Koleszar's avatar
John Koleszar committed
362
static const struct arg_enum_list tuning_enum[] = {
John Koleszar's avatar
John Koleszar committed
363 364 365
  {"psnr", VP8_TUNE_PSNR},
  {"ssim", VP8_TUNE_SSIM},
  {NULL, 0}
John Koleszar's avatar
John Koleszar committed
366 367
};
static const arg_def_t tune_ssim = ARG_DEF_ENUM(NULL, "tune", 1,
John Koleszar's avatar
John Koleszar committed
368
                                                "Material to favor", tuning_enum);
Paul Wilkins's avatar
CQ Mode  
Paul Wilkins committed
369
static const arg_def_t cq_level = ARG_DEF(NULL, "cq-level", 1,
370
                                          "Constant/Constrained Quality level");
371
static const arg_def_t max_intra_rate_pct = ARG_DEF(NULL, "max-intra-rate", 1,
John Koleszar's avatar
John Koleszar committed
372
                                                    "Max I-frame bitrate (pct)");
John Koleszar's avatar
John Koleszar committed
373

374
#if CONFIG_VP8_ENCODER
375 376
static const arg_def_t token_parts =
    ARG_DEF(NULL, "token-parts", 1, "Number of token partitions to use, log2");
John Koleszar's avatar
John Koleszar committed
377 378 379
static const arg_def_t *vp8_args[] = {
  &cpu_used, &auto_altref, &noise_sens, &sharpness, &static_thresh,
  &token_parts, &arnr_maxframes, &arnr_strength, &arnr_type,
John Koleszar's avatar
John Koleszar committed
380
  &tune_ssim, &cq_level, &max_intra_rate_pct,
381
  NULL
John Koleszar's avatar
John Koleszar committed
382
};
383 384 385 386 387 388 389 390 391 392 393
static const int vp8_arg_ctrl_map[] = {
  VP8E_SET_CPUUSED, VP8E_SET_ENABLEAUTOALTREF,
  VP8E_SET_NOISE_SENSITIVITY, VP8E_SET_SHARPNESS, VP8E_SET_STATIC_THRESHOLD,
  VP8E_SET_TOKEN_PARTITIONS,
  VP8E_SET_ARNR_MAXFRAMES, VP8E_SET_ARNR_STRENGTH, VP8E_SET_ARNR_TYPE,
  VP8E_SET_TUNING, VP8E_SET_CQ_LEVEL, VP8E_SET_MAX_INTRA_BITRATE_PCT,
  0
};
#endif

#if CONFIG_VP9_ENCODER
394 395 396 397 398 399 400 401 402 403 404
static const arg_def_t tile_cols =
    ARG_DEF(NULL, "tile-columns", 1, "Number of tile columns to use, log2");
static const arg_def_t tile_rows =
    ARG_DEF(NULL, "tile-rows", 1, "Number of tile rows to use, log2");
static const arg_def_t lossless = ARG_DEF(NULL, "lossless", 1, "Lossless mode");
static const arg_def_t frame_parallel_decoding = ARG_DEF(
    NULL, "frame-parallel", 1, "Enable frame parallel decodability features");
static const arg_def_t aq_mode = ARG_DEF(
    NULL, "aq-mode", 1,
    "Adaptive q mode (0: off (by default), 1: variance 2: complexity)");

405 406
static const arg_def_t *vp9_args[] = {
  &cpu_used, &auto_altref, &noise_sens, &sharpness, &static_thresh,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
407
  &tile_cols, &tile_rows, &arnr_maxframes, &arnr_strength, &arnr_type,
Yaowu Xu's avatar
Yaowu Xu committed
408
  &tune_ssim, &cq_level, &max_intra_rate_pct, &lossless,
409
  &frame_parallel_decoding, &aq_mode,
John Koleszar's avatar
John Koleszar committed
410
  NULL
John Koleszar's avatar
John Koleszar committed
411
};
412
static const int vp9_arg_ctrl_map[] = {
John Koleszar's avatar
John Koleszar committed
413 414
  VP8E_SET_CPUUSED, VP8E_SET_ENABLEAUTOALTREF,
  VP8E_SET_NOISE_SENSITIVITY, VP8E_SET_SHARPNESS, VP8E_SET_STATIC_THRESHOLD,
Ronald S. Bultje's avatar
Ronald S. Bultje committed
415
  VP9E_SET_TILE_COLUMNS, VP9E_SET_TILE_ROWS,
John Koleszar's avatar
John Koleszar committed
416
  VP8E_SET_ARNR_MAXFRAMES, VP8E_SET_ARNR_STRENGTH, VP8E_SET_ARNR_TYPE,
John Koleszar's avatar
John Koleszar committed
417
  VP8E_SET_TUNING, VP8E_SET_CQ_LEVEL, VP8E_SET_MAX_INTRA_BITRATE_PCT,
418
  VP9E_SET_LOSSLESS, VP9E_SET_FRAME_PARALLEL_DECODING, VP9E_SET_AQ_MODE,
John Koleszar's avatar
John Koleszar committed
419
  0
John Koleszar's avatar
John Koleszar committed
420 421 422 423 424
};
#endif

static const arg_def_t *no_args[] = { NULL };

425
void usage_exit() {
John Koleszar's avatar
John Koleszar committed
426 427 428 429 430 431
  int i;

  fprintf(stderr, "Usage: %s <options> -o dst_filename src_filename \n",
          exec_name);

  fprintf(stderr, "\nOptions:\n");
John Koleszar's avatar
John Koleszar committed
432
  arg_show_usage(stderr, main_args);
John Koleszar's avatar
John Koleszar committed
433
  fprintf(stderr, "\nEncoder Global Options:\n");
John Koleszar's avatar
John Koleszar committed
434
  arg_show_usage(stderr, global_args);
John Koleszar's avatar
John Koleszar committed
435
  fprintf(stderr, "\nRate Control Options:\n");
John Koleszar's avatar
John Koleszar committed
436
  arg_show_usage(stderr, rc_args);
John Koleszar's avatar
John Koleszar committed
437
  fprintf(stderr, "\nTwopass Rate Control Options:\n");
John Koleszar's avatar
John Koleszar committed
438
  arg_show_usage(stderr, rc_twopass_args);
John Koleszar's avatar
John Koleszar committed
439
  fprintf(stderr, "\nKeyframe Placement Options:\n");
John Koleszar's avatar
John Koleszar committed
440
  arg_show_usage(stderr, kf_args);
John Koleszar's avatar
John Koleszar committed
441
#if CONFIG_VP8_ENCODER
John Koleszar's avatar
John Koleszar committed
442
  fprintf(stderr, "\nVP8 Specific Options:\n");
John Koleszar's avatar
John Koleszar committed
443
  arg_show_usage(stderr, vp8_args);
John Koleszar's avatar
John Koleszar committed
444
#endif
445 446
#if CONFIG_VP9_ENCODER
  fprintf(stderr, "\nVP9 Specific Options:\n");
John Koleszar's avatar
John Koleszar committed
447
  arg_show_usage(stderr, vp9_args);
John Koleszar's avatar
John Koleszar committed
448
#endif
John Koleszar's avatar
John Koleszar committed
449 450 451
  fprintf(stderr, "\nStream timebase (--timebase):\n"
          "  The desired precision of timestamps in the output, expressed\n"
          "  in fractional seconds. Default is 1/1000.\n");
452
  fprintf(stderr, "\nIncluded encoders:\n\n");
John Koleszar's avatar
John Koleszar committed
453

454 455
  for (i = 0; i < get_vpx_encoder_count(); ++i) {
    const VpxInterface *const encoder = get_vpx_encoder_by_index(i);
John Koleszar's avatar
John Koleszar committed
456
    fprintf(stderr, "    %-6s - %s\n",
457 458
            encoder->name, vpx_codec_iface_name(encoder->interface()));
  }
John Koleszar's avatar
John Koleszar committed
459 460

  exit(EXIT_FAILURE);
John Koleszar's avatar
John Koleszar committed
461 462
}

463
#define mmin(a, b)  ((a) < (b) ? (a) : (b))
James Zern's avatar
James Zern committed
464 465
static void find_mismatch(const vpx_image_t *const img1,
                          const vpx_image_t *const img2,
466
                          int yloc[4], int uloc[4], int vloc[4]) {
467 468 469 470 471 472 473 474 475
  const uint32_t bsize = 64;
  const uint32_t bsizey = bsize >> img1->y_chroma_shift;
  const uint32_t bsizex = bsize >> img1->x_chroma_shift;
  const uint32_t c_w =
      (img1->d_w + img1->x_chroma_shift) >> img1->x_chroma_shift;
  const uint32_t c_h =
      (img1->d_h + img1->y_chroma_shift) >> img1->y_chroma_shift;
  int match = 1;
  uint32_t i, j;
476
  yloc[0] = yloc[1] = yloc[2] = yloc[3] = -1;
477 478
  for (i = 0, match = 1; match && i < img1->d_h; i += bsize) {
    for (j = 0; match && j < img1->d_w; j += bsize) {
479
      int k, l;
James Zern's avatar
James Zern committed
480 481 482 483
      const int si = mmin(i + bsize, img1->d_h) - i;
      const int sj = mmin(j + bsize, img1->d_w) - j;
      for (k = 0; match && k < si; ++k) {
        for (l = 0; match && l < sj; ++l) {
484 485 486 487 488 489
          if (*(img1->planes[VPX_PLANE_Y] +
                (i + k) * img1->stride[VPX_PLANE_Y] + j + l) !=
              *(img2->planes[VPX_PLANE_Y] +
                (i + k) * img2->stride[VPX_PLANE_Y] + j + l)) {
            yloc[0] = i + k;
            yloc[1] = j + l;
490 491 492 493
            yloc[2] = *(img1->planes[VPX_PLANE_Y] +
                        (i + k) * img1->stride[VPX_PLANE_Y] + j + l);
            yloc[3] = *(img2->planes[VPX_PLANE_Y] +
                        (i + k) * img2->stride[VPX_PLANE_Y] + j + l);
494
            match = 0;
495
            break;
496 497
          }
        }
James Zern's avatar
James Zern committed
498
      }
499
    }
500
  }
501

502
  uloc[0] = uloc[1] = uloc[2] = uloc[3] = -1;
503
  for (i = 0, match = 1; match && i < c_h; i += bsizey) {
John Koleszar's avatar
John Koleszar committed
504
    for (j = 0; match && j < c_w; j += bsizex) {
505
      int k, l;
James Zern's avatar
James Zern committed
506 507 508 509
      const int si = mmin(i + bsizey, c_h - i);
      const int sj = mmin(j + bsizex, c_w - j);
      for (k = 0; match && k < si; ++k) {
        for (l = 0; match && l < sj; ++l) {
510 511 512 513 514 515
          if (*(img1->planes[VPX_PLANE_U] +
                (i + k) * img1->stride[VPX_PLANE_U] + j + l) !=
              *(img2->planes[VPX_PLANE_U] +
                (i + k) * img2->stride[VPX_PLANE_U] + j + l)) {
            uloc[0] = i + k;
            uloc[1] = j + l;
516 517 518
            uloc[2] = *(img1->planes[VPX_PLANE_U] +
                        (i + k) * img1->stride[VPX_PLANE_U] + j + l);
            uloc[3] = *(img2->planes[VPX_PLANE_U] +
James Zern's avatar
James Zern committed
519
                        (i + k) * img2->stride[VPX_PLANE_U] + j + l);
520 521 522 523
            match = 0;
            break;
          }
        }
James Zern's avatar
James Zern committed
524
      }
525 526
    }
  }
527
  vloc[0] = vloc[1] = vloc[2] = vloc[3] = -1;
528
  for (i = 0, match = 1; match && i < c_h; i += bsizey) {
John Koleszar's avatar
John Koleszar committed
529
    for (j = 0; match && j < c_w; j += bsizex) {
530
      int k, l;
James Zern's avatar
James Zern committed
531 532 533 534
      const int si = mmin(i + bsizey, c_h - i);
      const int sj = mmin(j + bsizex, c_w - j);
      for (k = 0; match && k < si; ++k) {
        for (l = 0; match && l < sj; ++l) {
535 536 537 538 539 540
          if (*(img1->planes[VPX_PLANE_V] +
                (i + k) * img1->stride[VPX_PLANE_V] + j + l) !=
              *(img2->planes[VPX_PLANE_V] +
                (i + k) * img2->stride[VPX_PLANE_V] + j + l)) {
            vloc[0] = i + k;
            vloc[1] = j + l;
541 542 543 544
            vloc[2] = *(img1->planes[VPX_PLANE_V] +
                        (i + k) * img1->stride[VPX_PLANE_V] + j + l);
            vloc[3] = *(img2->planes[VPX_PLANE_V] +
                        (i + k) * img2->stride[VPX_PLANE_V] + j + l);
545 546 547 548
            match = 0;
            break;
          }
        }
James Zern's avatar
James Zern committed
549
      }
550 551
    }
  }
552 553
}

James Zern's avatar
James Zern committed
554 555
static int compare_img(const vpx_image_t *const img1,
                       const vpx_image_t *const img2) {
556 557 558 559 560
  const uint32_t c_w =
      (img1->d_w + img1->x_chroma_shift) >> img1->x_chroma_shift;
  const uint32_t c_h =
      (img1->d_h + img1->y_chroma_shift) >> img1->y_chroma_shift;
  uint32_t i;
John Koleszar's avatar
John Koleszar committed
561
  int match = 1;
562

John Koleszar's avatar
John Koleszar committed
563
  match &= (img1->fmt == img2->fmt);
564 565
  match &= (img1->d_w == img2->d_w);
  match &= (img1->d_h == img2->d_h);
566

James Zern's avatar
James Zern committed
567 568 569
  for (i = 0; i < img1->d_h; ++i)
    match &= (memcmp(img1->planes[VPX_PLANE_Y] + i * img1->stride[VPX_PLANE_Y],
                     img2->planes[VPX_PLANE_Y] + i * img2->stride[VPX_PLANE_Y],
John Koleszar's avatar
John Koleszar committed
570
                     img1->d_w) == 0);
571

James Zern's avatar
James Zern committed
572 573 574
  for (i = 0; i < c_h; ++i)
    match &= (memcmp(img1->planes[VPX_PLANE_U] + i * img1->stride[VPX_PLANE_U],
                     img2->planes[VPX_PLANE_U] + i * img2->stride[VPX_PLANE_U],
575
                     c_w) == 0);
576

James Zern's avatar
James Zern committed
577 578 579
  for (i = 0; i < c_h; ++i)
    match &= (memcmp(img1->planes[VPX_PLANE_V] + i * img1->stride[VPX_PLANE_V],
                     img2->planes[VPX_PLANE_V] + i * img2->stride[VPX_PLANE_V],
580
                     c_w) == 0);
581

John Koleszar's avatar
John Koleszar committed
582
  return match;
583 584
}

585

586
#define NELEMENTS(x) (sizeof(x)/sizeof(x[0]))
587 588
#define MAX(x,y) ((x)>(y)?(x):(y))
#if CONFIG_VP8_ENCODER && !CONFIG_VP9_ENCODER
589
#define ARG_CTRL_CNT_MAX NELEMENTS(vp8_arg_ctrl_map)
590 591 592 593 594 595
#elif !CONFIG_VP8_ENCODER && CONFIG_VP9_ENCODER
#define ARG_CTRL_CNT_MAX NELEMENTS(vp9_arg_ctrl_map)
#else
#define ARG_CTRL_CNT_MAX MAX(NELEMENTS(vp8_arg_ctrl_map), \
                             NELEMENTS(vp9_arg_ctrl_map))
#endif
John Koleszar's avatar
John Koleszar committed
596

597
/* Per-stream configuration */
John Koleszar's avatar
John Koleszar committed
598 599 600 601 602 603 604 605 606
struct stream_config {
  struct vpx_codec_enc_cfg  cfg;
  const char               *out_fn;
  const char               *stats_fn;
  stereo_format_t           stereo_fmt;
  int                       arg_ctrls[ARG_CTRL_CNT_MAX][2];
  int                       arg_ctrl_cnt;
  int                       write_webm;
  int                       have_kf_max_dist;
607 608 609
};


John Koleszar's avatar
John Koleszar committed
610 611 612 613 614
struct stream_state {
  int                       index;
  struct stream_state      *next;
  struct stream_config      config;
  FILE                     *file;
615
  struct rate_hist         *rate_hist;
616
  struct EbmlGlobal         ebml;
617
  uint32_t                  hash;
John Koleszar's avatar
John Koleszar committed
618 619 620 621 622 623 624 625 626 627
  uint64_t                  psnr_sse_total;
  uint64_t                  psnr_samples_total;
  double                    psnr_totals[4];
  int                       psnr_count;
  int                       counts[64];
  vpx_codec_ctx_t           encoder;
  unsigned int              frames_out;
  uint64_t                  cx_time;
  size_t                    nbytes;
  stats_io_t                stats;
628
  struct vpx_image         *img;
John Koleszar's avatar
John Koleszar committed
629 630
  vpx_codec_ctx_t           decoder;
  int                       mismatch_seen;
631 632 633
};


634
void validate_positive_rational(const char          *msg,
John Koleszar's avatar
John Koleszar committed
635 636 637 638 639
                                struct vpx_rational *rat) {
  if (rat->den < 0) {
    rat->num *= -1;
    rat->den *= -1;
  }
640

John Koleszar's avatar
John Koleszar committed
641 642
  if (rat->num < 0)
    die("Error: %s must be positive\n", msg);
643

John Koleszar's avatar
John Koleszar committed
644 645
  if (!rat->den)
    die("Error: %s has zero denominator\n", msg);
646 647 648
}


649
static void parse_global_config(struct VpxEncoderConfig *global, char **argv) {
John Koleszar's avatar
John Koleszar committed
650 651 652 653 654
  char       **argi, **argj;
  struct arg   arg;

  /* Initialize default parameters */
  memset(global, 0, sizeof(*global));
655
  global->codec = get_vpx_encoder_by_index(0);
656
  global->passes = 0;
John Koleszar's avatar
John Koleszar committed
657
  global->use_i420 = 1;
658 659
  /* Assign default deadline to good quality */
  global->deadline = VPX_DL_GOOD_QUALITY;
John Koleszar's avatar
John Koleszar committed
660 661 662 663 664

  for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) {
    arg.argv_step = 1;

    if (arg_match(&arg, &codecarg, argi)) {
665 666 667
      global->codec = get_vpx_encoder_by_name(arg.val);
      if (!global->codec)
        die("Error: Unrecognized argument (%s) to --codec\n", arg.val);
John Koleszar's avatar
John Koleszar committed
668
    } else if (arg_match(&arg, &passes, argi)) {
John Koleszar's avatar
John Koleszar committed
669
      global->passes = arg_parse_uint(&arg);
John Koleszar's avatar
John Koleszar committed
670

John Koleszar's avatar
John Koleszar committed
671 672
      if (global->passes < 1 || global->passes > 2)
        die("Error: Invalid number of passes (%d)\n", global->passes);
John Koleszar's avatar
John Koleszar committed
673
    } else if (arg_match(&arg, &pass_arg, argi)) {
John Koleszar's avatar
John Koleszar committed
674 675 676 677 678 679 680
      global->pass = arg_parse_uint(&arg);

      if (global->pass < 1 || global->pass > 2)
        die("Error: Invalid pass selected (%d)\n",
            global->pass);
    } else if (arg_match(&arg, &usage, argi))
      global->usage = arg_parse_uint(&arg);
John Koleszar's avatar
John Koleszar committed
681
    else if (arg_match(&arg, &deadline, argi))
John Koleszar's avatar
John Koleszar committed
682
      global->deadline = arg_parse_uint(&arg);
John Koleszar's avatar
John Koleszar committed
683
    else if (arg_match(&arg, &best_dl, argi))
John Koleszar's avatar
John Koleszar committed
684
      global->deadline = VPX_DL_BEST_QUALITY;
John Koleszar's avatar
John Koleszar committed
685
    else if (arg_match(&arg, &good_dl, argi))
John Koleszar's avatar
John Koleszar committed
686
      global->deadline = VPX_DL_GOOD_QUALITY;
John Koleszar's avatar
John Koleszar committed
687
    else if (arg_match(&arg, &rt_dl, argi))
John Koleszar's avatar
John Koleszar committed
688 689 690 691 692 693 694 695 696
      global->deadline = VPX_DL_REALTIME;
    else if (arg_match(&arg, &use_yv12, argi))
      global->use_i420 = 0;
    else if (arg_match(&arg, &use_i420, argi))
      global->use_i420 = 1;
    else if (arg_match(&arg, &quietarg, argi))
      global->quiet = 1;
    else if (arg_match(&arg, &verbosearg, argi))
      global->verbose = 1;
John Koleszar's avatar
John Koleszar committed
697
    else if (arg_match(&arg, &limit, argi))
John Koleszar's avatar
John Koleszar committed
698
      global->limit = arg_parse_uint(&arg);
John Koleszar's avatar
John Koleszar committed
699
    else if (arg_match(&arg, &skip, argi))
John Koleszar's avatar
John Koleszar committed
700
      global->skip_frames = arg_parse_uint(&arg);
John Koleszar's avatar
John Koleszar committed
701
    else if (arg_match(&arg, &psnrarg, argi))
John Koleszar's avatar
John Koleszar committed
702
      global->show_psnr = 1;
John Koleszar's avatar
John Koleszar committed
703
    else if (arg_match(&arg, &recontest, argi))
704
      global->test_decode = arg_parse_enum_or_int(&arg);
John Koleszar's avatar
John Koleszar committed
705
    else if (arg_match(&arg, &framerate, argi)) {
John Koleszar's avatar
John Koleszar committed
706 707 708 709 710
      global->framerate = arg_parse_rational(&arg);
      validate_positive_rational(arg.name, &global->framerate);
      global->have_framerate = 1;
    } else if (arg_match(&arg, &out_part, argi))
      global->out_part = 1;
John Koleszar's avatar
John Koleszar committed
711
    else if (arg_match(&arg, &debugmode, argi))
John Koleszar's avatar
John Koleszar committed
712
      global->debug = 1;
John Koleszar's avatar
John Koleszar committed
713
    else if (arg_match(&arg, &q_hist_n, argi))
John Koleszar's avatar
John Koleszar committed
714
      global->show_q_hist_buckets = arg_parse_uint(&arg);
John Koleszar's avatar
John Koleszar committed
715
    else if (arg_match(&arg, &rate_hist_n, argi))
John Koleszar's avatar
John Koleszar committed
716
      global->show_rate_hist_buckets = arg_parse_uint(&arg);
717 718 719 720
    else if (arg_match(&arg, &disable_warnings, argi))
      global->disable_warnings = 1;
    else if (arg_match(&arg, &disable_warning_prompt, argi))
      global->disable_warning_prompt = 1;
721 722
    else if (arg_match(&arg, &experimental_bitstream, argi))
      global->experimental_bitstream = 1;
John Koleszar's avatar
John Koleszar committed
723 724 725
    else
      argj++;
  }
John Koleszar's avatar
John Koleszar committed
726

727 728 729 730 731 732 733 734
  if (global->pass) {
    /* DWIM: Assume the user meant passes=2 if pass=2 is specified */
    if (global->pass > global->passes) {
      warn("Assuming --pass=%d implies --passes=%d\n",
           global->pass, global->pass);
      global->passes = global->pass;
    }
  }
John Koleszar's avatar
John Koleszar committed
735
  /* Validate global config */
736
  if (global->passes == 0) {
James Zern's avatar
James Zern committed
737
#if CONFIG_VP9_ENCODER
738 739
    // Make default VP9 passes = 2 until there is a better quality 1-pass
    // encoder
740 741
    global->passes = (strcmp(global->codec->name, "vp9") == 0 &&
                      global->deadline != VPX_DL_REALTIME) ? 2 : 1;
James Zern's avatar
James Zern committed
742 743 744
#else
    global->passes = 1;
#endif
745
  }
746

747 748 749 750
  if (global->deadline == VPX_DL_REALTIME &&
      global->passes > 1) {
    warn("Enforcing one-pass encoding in realtime mode\n");
    global->passes = 1;
John Koleszar's avatar
John Koleszar committed
751
  }
752 753 754
}


755
void open_input_file(struct VpxInputContext *input) {
John Koleszar's avatar
John Koleszar committed
756
  /* Parse certain options from the input file, if possible */
757 758
  input->file = strcmp(input->filename, "-")
      ? fopen(input->filename, "rb") : set_binary_mode(stdin);
John Koleszar's avatar
John Koleszar committed
759 760 761

  if (!input->file)
    fatal("Failed to open input file");
John Koleszar's avatar
John Koleszar committed
762

763 764 765 766 767 768 769 770
  if (!fseeko(input->file, 0, SEEK_END)) {
    /* Input file is seekable. Figure out how long it is, so we can get
     * progress info.
     */
    input->length = ftello(input->file);
    rewind(input->file);
  }

John Koleszar's avatar
John Koleszar committed
771 772 773 774 775 776 777
  /* For RAW input sources, these bytes will applied on the first frame
   *  in read_frame().
   */
  input->detect.buf_read = fread(input->detect.buf, 1, 4, input->file);
  input->detect.position = 0;

  if (input->detect.buf_read == 4
778
      && file_is_y4m(input->detect.buf)) {
779 780
    if (y4m_input_open(&input->y4m, input->file, input->detect.buf, 4,
                       input->only_i420) >= 0) {
John Koleszar's avatar
John Koleszar committed
781
      input->file_type = FILE_TYPE_Y4M;
782 783 784 785
      input->width = input->y4m.pic_w;
      input->height = input->y4m.pic_h;
      input->framerate.numerator = input->y4m.fps_n;
      input->framerate.denominator = input->y4m.fps_d;
John Koleszar's avatar
John Koleszar committed
786 787 788
      input->use_i420 = 0;
    } else
      fatal("Unsupported Y4M stream.");
789
  } else if (input->detect.buf_read == 4 && fourcc_is_ivf(input->detect.buf)) {
790
    fatal("IVF is not supported as input.");
John Koleszar's avatar
John Koleszar committed
791 792
  } else {
    input->file_type = FILE_TYPE_RAW;
John Koleszar's avatar
John Koleszar committed
793
  }
794 795 796
}


797
static void close_input_file(struct VpxInputContext *input) {
John Koleszar's avatar
John Koleszar committed
798 799 800
  fclose(input->file);
  if (input->file_type == FILE_TYPE_Y4M)
    y4m_input_close(&input->y4m);
801 802
}

803
static struct stream_state *new_stream(struct VpxEncoderConfig *global,
804
                                       struct stream_state *prev) {
John Koleszar's avatar
John Koleszar committed
805 806 807 808 809 810 811 812 813 814 815 816 817
  struct stream_state *stream;

  stream = calloc(1, sizeof(*stream));
  if (!stream)
    fatal("Failed to allocate new stream.");
  if (prev) {
    memcpy(stream, prev, sizeof(*stream));
    stream->index++;
    prev->next = stream;
  } else {
    vpx_codec_err_t  res;

    /* Populate encoder configuration */
818
    res = vpx_codec_enc_config_default(global->codec->interface(),
John Koleszar's avatar
John Koleszar committed
819 820 821 822
                                       &stream->config.cfg,
                                       global->usage);
    if (res)
      fatal("Failed to get config: %s\n", vpx_codec_err_to_string(res));
John Koleszar's avatar
John Koleszar committed
823

John Koleszar's avatar
John Koleszar committed
824 825 826 827
    /* Change the default timebase to a high enough value so that the
     * encoder will always create strictly increasing timestamps.
     */
    stream->config.cfg.g_timebase.den = 1000;
828

John Koleszar's avatar
John Koleszar committed
829 830 831 832 833
    /* Never use the library's default resolution, require it be parsed
     * from the file or set on the command line.
     */
    stream->config.cfg.g_w = 0;
    stream->config.cfg.g_h = 0;
John Koleszar's avatar
John Koleszar committed
834

John Koleszar's avatar
John Koleszar committed