2 * Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
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.
12 /* This is a simple program that encodes YV12 files and generates ivf
13 * files using the new interface.
16 #define USE_POSIX_MMAP 0
18 #define USE_POSIX_MMAP 1
25 #include "vpx/vpx_encoder.h"
27 #include <sys/types.h>
33 #include "vpx/vp8cx.h"
34 #include "vpx_ports/mem_ops.h"
35 #include "vpx_ports/vpx_timer.h"
38 static const char *exec_name;
40 static const struct codec_item
43 const vpx_codec_iface_t *iface;
47 #if CONFIG_VP8_ENCODER
48 {"vp8", &vpx_codec_vp8_cx_algo, 0x30385056},
52 static void usage_exit();
54 void die(const char *fmt, ...)
58 vfprintf(stderr, fmt, ap);
59 fprintf(stderr, "\n");
63 static void ctx_exit_on_error(vpx_codec_ctx_t *ctx, const char *s)
67 const char *detail = vpx_codec_error_detail(ctx);
69 fprintf(stderr, "%s: %s\n", s, vpx_codec_error(ctx));
72 fprintf(stderr, " %s\n", detail);
78 /* This structure is used to abstract the different ways of handling
79 * first pass statistics.
90 int stats_open_file(stats_io_t *stats, const char *fpf, int pass)
98 stats->file = fopen(fpf, "wb");
100 stats->buf.buf = NULL,
101 res = (stats->file != NULL);
107 struct stat stat_buf;
110 fd = open(fpf, O_RDONLY);
111 stats->file = fdopen(fd, "rb");
112 fstat(fd, &stat_buf);
113 stats->buf.sz = stat_buf.st_size;
114 stats->buf.buf = mmap(NULL, stats->buf.sz, PROT_READ, MAP_PRIVATE,
116 res = (stats->buf.buf != NULL);
120 stats->file = fopen(fpf, "rb");
122 if (fseek(stats->file, 0, SEEK_END))
124 fprintf(stderr, "First-pass stats file must be seekable!\n");
128 stats->buf.sz = stats->buf_alloc_sz = ftell(stats->file);
131 stats->buf.buf = malloc(stats->buf_alloc_sz);
135 fprintf(stderr, "Failed to allocate first-pass stats buffer (%d bytes)\n",
136 stats->buf_alloc_sz);
140 nbytes = fread(stats->buf.buf, 1, stats->buf.sz, stats->file);
141 res = (nbytes == stats->buf.sz);
148 int stats_open_mem(stats_io_t *stats, int pass)
156 stats->buf_alloc_sz = 64 * 1024;
157 stats->buf.buf = malloc(stats->buf_alloc_sz);
160 stats->buf_ptr = stats->buf.buf;
161 res = (stats->buf.buf != NULL);
166 void stats_close(stats_io_t *stats)
170 if (stats->pass == 1)
174 munmap(stats->buf.buf, stats->buf.sz);
176 free(stats->buf.buf);
185 if (stats->pass == 1)
186 free(stats->buf.buf);
190 void stats_write(stats_io_t *stats, const void *pkt, size_t len)
194 fwrite(pkt, 1, len, stats->file);
198 if (stats->buf.sz + len > stats->buf_alloc_sz)
200 size_t new_sz = stats->buf_alloc_sz + 64 * 1024;
201 char *new_ptr = realloc(stats->buf.buf, new_sz);
205 stats->buf_ptr = new_ptr + (stats->buf_ptr - (char *)stats->buf.buf);
206 stats->buf.buf = new_ptr;
207 stats->buf_alloc_sz = new_sz;
211 memcpy(stats->buf_ptr, pkt, len);
212 stats->buf.sz += len;
213 stats->buf_ptr += len;
217 vpx_fixed_buf_t stats_get(stats_io_t *stats)
229 struct detect_buffer {
235 #define IVF_FRAME_HDR_SZ (4+8) /* 4 byte size + 8 byte timestamp */
236 static int read_frame(FILE *f, vpx_image_t *img, unsigned int file_type,
237 y4m_input *y4m, struct detect_buffer *detect)
241 if (file_type == FILE_TYPE_Y4M)
243 if (y4m_input_fetch_frame(y4m, f, img) < 0)
248 if (file_type == FILE_TYPE_IVF)
250 char junk[IVF_FRAME_HDR_SZ];
252 /* Skip the frame header. We know how big the frame should be. See
253 * write_ivf_frame_header() for documentation on the frame header
256 fread(junk, 1, IVF_FRAME_HDR_SZ, f);
259 for (plane = 0; plane < 3; plane++)
262 int w = (plane ? (1 + img->d_w) / 2 : img->d_w);
263 int h = (plane ? (1 + img->d_h) / 2 : img->d_h);
266 /* Determine the correct plane based on the image format. The for-loop
267 * always counts in Y,U,V order, but this may not match the order of
273 ptr = img->planes[img->fmt==VPX_IMG_FMT_YV12? VPX_PLANE_V : VPX_PLANE_U];
276 ptr = img->planes[img->fmt==VPX_IMG_FMT_YV12?VPX_PLANE_U : VPX_PLANE_V];
279 ptr = img->planes[plane];
282 for (r = 0; r < h; r++)
286 memcpy(ptr, detect->buf, 4);
287 fread(ptr+4, 1, w-4, f);
293 ptr += img->stride[plane];
302 unsigned int file_is_y4m(FILE *infile,
306 if(memcmp(detect, "YUV4", 4) == 0)
313 #define IVF_FILE_HDR_SZ (32)
314 unsigned int file_is_ivf(FILE *infile,
315 unsigned int *fourcc,
317 unsigned int *height,
320 char raw_hdr[IVF_FILE_HDR_SZ];
323 if(memcmp(detect, "DKIF", 4) != 0)
326 /* See write_ivf_file_header() for more documentation on the file header
329 if (fread(raw_hdr + 4, 1, IVF_FILE_HDR_SZ - 4, infile)
330 == IVF_FILE_HDR_SZ - 4)
335 if (mem_get_le16(raw_hdr + 4) != 0)
336 fprintf(stderr, "Error: Unrecognized IVF version! This file may not"
337 " decode properly.");
339 *fourcc = mem_get_le32(raw_hdr + 8);
345 *width = mem_get_le16(raw_hdr + 12);
346 *height = mem_get_le16(raw_hdr + 14);
353 static void write_ivf_file_header(FILE *outfile,
354 const vpx_codec_enc_cfg_t *cfg,
360 if (cfg->g_pass != VPX_RC_ONE_PASS && cfg->g_pass != VPX_RC_LAST_PASS)
367 mem_put_le16(header + 4, 0); /* version */
368 mem_put_le16(header + 6, 32); /* headersize */
369 mem_put_le32(header + 8, fourcc); /* headersize */
370 mem_put_le16(header + 12, cfg->g_w); /* width */
371 mem_put_le16(header + 14, cfg->g_h); /* height */
372 mem_put_le32(header + 16, cfg->g_timebase.den); /* rate */
373 mem_put_le32(header + 20, cfg->g_timebase.num); /* scale */
374 mem_put_le32(header + 24, frame_cnt); /* length */
375 mem_put_le32(header + 28, 0); /* unused */
377 fwrite(header, 1, 32, outfile);
381 static void write_ivf_frame_header(FILE *outfile,
382 const vpx_codec_cx_pkt_t *pkt)
387 if (pkt->kind != VPX_CODEC_CX_FRAME_PKT)
390 pts = pkt->data.frame.pts;
391 mem_put_le32(header, pkt->data.frame.sz);
392 mem_put_le32(header + 4, pts & 0xFFFFFFFF);
393 mem_put_le32(header + 8, pts >> 32);
395 fwrite(header, 1, 12, outfile);
400 static const arg_def_t use_yv12 = ARG_DEF(NULL, "yv12", 0,
401 "Input file is YV12 ");
402 static const arg_def_t use_i420 = ARG_DEF(NULL, "i420", 0,
403 "Input file is I420 (default)");
404 static const arg_def_t codecarg = ARG_DEF(NULL, "codec", 1,
406 static const arg_def_t passes = ARG_DEF("p", "passes", 1,
407 "Number of passes (1/2)");
408 static const arg_def_t pass_arg = ARG_DEF(NULL, "pass", 1,
409 "Pass to execute (1/2)");
410 static const arg_def_t fpf_name = ARG_DEF(NULL, "fpf", 1,
411 "First pass statistics file name");
412 static const arg_def_t limit = ARG_DEF(NULL, "limit", 1,
413 "Stop encoding after n input frames");
414 static const arg_def_t deadline = ARG_DEF("d", "deadline", 1,
415 "Deadline per frame (usec)");
416 static const arg_def_t best_dl = ARG_DEF(NULL, "best", 0,
417 "Use Best Quality Deadline");
418 static const arg_def_t good_dl = ARG_DEF(NULL, "good", 0,
419 "Use Good Quality Deadline");
420 static const arg_def_t rt_dl = ARG_DEF(NULL, "rt", 0,
421 "Use Realtime Quality Deadline");
422 static const arg_def_t verbosearg = ARG_DEF("v", "verbose", 0,
423 "Show encoder parameters");
424 static const arg_def_t psnrarg = ARG_DEF(NULL, "psnr", 0,
425 "Show PSNR in status line");
426 static const arg_def_t *main_args[] =
428 &codecarg, &passes, &pass_arg, &fpf_name, &limit, &deadline, &best_dl, &good_dl, &rt_dl,
429 &verbosearg, &psnrarg,
433 static const arg_def_t usage = ARG_DEF("u", "usage", 1,
434 "Usage profile number to use");
435 static const arg_def_t threads = ARG_DEF("t", "threads", 1,
436 "Max number of threads to use");
437 static const arg_def_t profile = ARG_DEF(NULL, "profile", 1,
438 "Bitstream profile number to use");
439 static const arg_def_t width = ARG_DEF("w", "width", 1,
441 static const arg_def_t height = ARG_DEF("h", "height", 1,
443 static const arg_def_t timebase = ARG_DEF(NULL, "timebase", 1,
444 "Stream timebase (frame duration)");
445 static const arg_def_t error_resilient = ARG_DEF(NULL, "error-resilient", 1,
446 "Enable error resiliency features");
447 static const arg_def_t lag_in_frames = ARG_DEF(NULL, "lag-in-frames", 1,
448 "Max number of frames to lag");
450 static const arg_def_t *global_args[] =
452 &use_yv12, &use_i420, &usage, &threads, &profile,
453 &width, &height, &timebase, &error_resilient,
457 static const arg_def_t dropframe_thresh = ARG_DEF(NULL, "drop-frame", 1,
458 "Temporal resampling threshold (buf %)");
459 static const arg_def_t resize_allowed = ARG_DEF(NULL, "resize-allowed", 1,
460 "Spatial resampling enabled (bool)");
461 static const arg_def_t resize_up_thresh = ARG_DEF(NULL, "resize-up", 1,
462 "Upscale threshold (buf %)");
463 static const arg_def_t resize_down_thresh = ARG_DEF(NULL, "resize-down", 1,
464 "Downscale threshold (buf %)");
465 static const arg_def_t end_usage = ARG_DEF(NULL, "end-usage", 1,
467 static const arg_def_t target_bitrate = ARG_DEF(NULL, "target-bitrate", 1,
469 static const arg_def_t min_quantizer = ARG_DEF(NULL, "min-q", 1,
470 "Minimum (best) quantizer");
471 static const arg_def_t max_quantizer = ARG_DEF(NULL, "max-q", 1,
472 "Maximum (worst) quantizer");
473 static const arg_def_t undershoot_pct = ARG_DEF(NULL, "undershoot-pct", 1,
474 "Datarate undershoot (min) target (%)");
475 static const arg_def_t overshoot_pct = ARG_DEF(NULL, "overshoot-pct", 1,
476 "Datarate overshoot (max) target (%)");
477 static const arg_def_t buf_sz = ARG_DEF(NULL, "buf-sz", 1,
478 "Client buffer size (ms)");
479 static const arg_def_t buf_initial_sz = ARG_DEF(NULL, "buf-initial-sz", 1,
480 "Client initial buffer size (ms)");
481 static const arg_def_t buf_optimal_sz = ARG_DEF(NULL, "buf-optimal-sz", 1,
482 "Client optimal buffer size (ms)");
483 static const arg_def_t *rc_args[] =
485 &dropframe_thresh, &resize_allowed, &resize_up_thresh, &resize_down_thresh,
486 &end_usage, &target_bitrate, &min_quantizer, &max_quantizer,
487 &undershoot_pct, &overshoot_pct, &buf_sz, &buf_initial_sz, &buf_optimal_sz,
492 static const arg_def_t bias_pct = ARG_DEF(NULL, "bias-pct", 1,
493 "CBR/VBR bias (0=CBR, 100=VBR)");
494 static const arg_def_t minsection_pct = ARG_DEF(NULL, "minsection-pct", 1,
495 "GOP min bitrate (% of target)");
496 static const arg_def_t maxsection_pct = ARG_DEF(NULL, "maxsection-pct", 1,
497 "GOP max bitrate (% of target)");
498 static const arg_def_t *rc_twopass_args[] =
500 &bias_pct, &minsection_pct, &maxsection_pct, NULL
504 static const arg_def_t kf_min_dist = ARG_DEF(NULL, "kf-min-dist", 1,
505 "Minimum keyframe interval (frames)");
506 static const arg_def_t kf_max_dist = ARG_DEF(NULL, "kf-max-dist", 1,
507 "Maximum keyframe interval (frames)");
508 static const arg_def_t *kf_args[] =
510 &kf_min_dist, &kf_max_dist, NULL
514 #if CONFIG_VP8_ENCODER
515 static const arg_def_t noise_sens = ARG_DEF(NULL, "noise-sensitivity", 1,
516 "Noise sensitivity (frames to blur)");
517 static const arg_def_t sharpness = ARG_DEF(NULL, "sharpness", 1,
518 "Filter sharpness (0-7)");
519 static const arg_def_t static_thresh = ARG_DEF(NULL, "static-thresh", 1,
520 "Motion detection threshold");
523 #if CONFIG_VP8_ENCODER
524 static const arg_def_t cpu_used = ARG_DEF(NULL, "cpu-used", 1,
525 "CPU Used (-16..16)");
529 #if CONFIG_VP8_ENCODER
530 static const arg_def_t token_parts = ARG_DEF(NULL, "token-parts", 1,
531 "Number of token partitions to use, log2");
532 static const arg_def_t auto_altref = ARG_DEF(NULL, "auto-alt-ref", 1,
533 "Enable automatic alt reference frames");
534 static const arg_def_t arnr_maxframes = ARG_DEF(NULL, "arnr-maxframes", 1,
535 "alt_ref Max Frames");
536 static const arg_def_t arnr_strength = ARG_DEF(NULL, "arnr-strength", 1,
538 static const arg_def_t arnr_type = ARG_DEF(NULL, "arnr-type", 1,
541 static const arg_def_t *vp8_args[] =
543 &cpu_used, &auto_altref, &noise_sens, &sharpness, &static_thresh,
544 &token_parts, &arnr_maxframes, &arnr_strength, &arnr_type, NULL
546 static const int vp8_arg_ctrl_map[] =
548 VP8E_SET_CPUUSED, VP8E_SET_ENABLEAUTOALTREF,
549 VP8E_SET_NOISE_SENSITIVITY, VP8E_SET_SHARPNESS, VP8E_SET_STATIC_THRESHOLD,
550 VP8E_SET_TOKEN_PARTITIONS,
551 VP8E_SET_ARNR_MAXFRAMES, VP8E_SET_ARNR_STRENGTH , VP8E_SET_ARNR_TYPE, 0
555 static const arg_def_t *no_args[] = { NULL };
557 static void usage_exit()
561 fprintf(stderr, "Usage: %s <options> src_filename dst_filename\n", exec_name);
563 fprintf(stderr, "\n_options:\n");
564 arg_show_usage(stdout, main_args);
565 fprintf(stderr, "\n_encoder Global Options:\n");
566 arg_show_usage(stdout, global_args);
567 fprintf(stderr, "\n_rate Control Options:\n");
568 arg_show_usage(stdout, rc_args);
569 fprintf(stderr, "\n_twopass Rate Control Options:\n");
570 arg_show_usage(stdout, rc_twopass_args);
571 fprintf(stderr, "\n_keyframe Placement Options:\n");
572 arg_show_usage(stdout, kf_args);
573 #if CONFIG_VP8_ENCODER
574 fprintf(stderr, "\n_vp8 Specific Options:\n");
575 arg_show_usage(stdout, vp8_args);
578 "Included encoders:\n"
581 for (i = 0; i < sizeof(codecs) / sizeof(codecs[0]); i++)
582 fprintf(stderr, " %-6s - %s\n",
584 vpx_codec_iface_name(codecs[i].iface));
589 #define ARG_CTRL_CNT_MAX 10
592 int main(int argc, const char **argv_)
594 vpx_codec_ctx_t encoder;
595 const char *in_fn = NULL, *out_fn = NULL, *stats_fn = NULL;
597 FILE *infile, *outfile;
598 vpx_codec_enc_cfg_t cfg;
600 int pass, one_pass_only = 0;
603 const struct codec_item *codec = codecs;
604 int frame_avail, got_data;
607 char **argv, **argi, **argj;
608 int arg_usage = 0, arg_passes = 1, arg_deadline = 0;
609 int arg_ctrls[ARG_CTRL_CNT_MAX][2], arg_ctrl_cnt = 0;
611 static const arg_def_t **ctrl_args = no_args;
612 static const int *ctrl_args_map = NULL;
613 int verbose = 0, show_psnr = 0;
614 int arg_use_i420 = 1;
615 int arg_have_timebase = 0;
616 unsigned long cx_time = 0;
617 unsigned int file_type, fourcc;
620 exec_name = argv_[0];
626 /* First parse the codec and usage values, because we want to apply other
627 * parameters on top of the default configuration provided by the codec.
629 argv = argv_dup(argc - 1, argv_ + 1);
631 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
635 if (arg_match(&arg, &codecarg, argi))
639 for (j = 0; j < sizeof(codecs) / sizeof(codecs[0]); j++)
640 if (!strcmp(codecs[j].name, arg.val))
646 die("Error: Unrecognized argument (%s) to --codec\n",
650 else if (arg_match(&arg, &passes, argi))
652 arg_passes = arg_parse_uint(&arg);
654 if (arg_passes < 1 || arg_passes > 2)
655 die("Error: Invalid number of passes (%d)\n", arg_passes);
657 else if (arg_match(&arg, &pass_arg, argi))
659 one_pass_only = arg_parse_uint(&arg);
661 if (one_pass_only < 1 || one_pass_only > 2)
662 die("Error: Invalid pass selected (%d)\n", one_pass_only);
664 else if (arg_match(&arg, &fpf_name, argi))
666 else if (arg_match(&arg, &usage, argi))
667 arg_usage = arg_parse_uint(&arg);
668 else if (arg_match(&arg, &deadline, argi))
669 arg_deadline = arg_parse_uint(&arg);
670 else if (arg_match(&arg, &best_dl, argi))
671 arg_deadline = VPX_DL_BEST_QUALITY;
672 else if (arg_match(&arg, &good_dl, argi))
673 arg_deadline = VPX_DL_GOOD_QUALITY;
674 else if (arg_match(&arg, &rt_dl, argi))
675 arg_deadline = VPX_DL_REALTIME;
676 else if (arg_match(&arg, &use_yv12, argi))
680 else if (arg_match(&arg, &use_i420, argi))
684 else if (arg_match(&arg, &verbosearg, argi))
686 else if (arg_match(&arg, &limit, argi))
687 arg_limit = arg_parse_uint(&arg);
688 else if (arg_match(&arg, &psnrarg, argi))
694 /* Ensure that --passes and --pass are consistent. If --pass is set and --passes=2,
695 * ensure --fpf was set.
699 /* DWIM: Assume the user meant passes=2 if pass=2 is specified */
700 if (one_pass_only > arg_passes)
702 fprintf(stderr, "Warning: Assuming --pass=%d implies --passes=%d\n",
703 one_pass_only, one_pass_only);
704 arg_passes = one_pass_only;
707 if (arg_passes == 2 && !stats_fn)
708 die("Must specify --fpf when --pass=%d and --passes=2\n", one_pass_only);
711 /* Populate encoder configuration */
712 res = vpx_codec_enc_config_default(codec->iface, &cfg, arg_usage);
716 fprintf(stderr, "Failed to get config: %s\n",
717 vpx_codec_err_to_string(res));
721 /* Now parse the remainder of the parameters. */
722 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
727 else if (arg_match(&arg, &threads, argi))
728 cfg.g_threads = arg_parse_uint(&arg);
729 else if (arg_match(&arg, &profile, argi))
730 cfg.g_profile = arg_parse_uint(&arg);
731 else if (arg_match(&arg, &width, argi))
732 cfg.g_w = arg_parse_uint(&arg);
733 else if (arg_match(&arg, &height, argi))
734 cfg.g_h = arg_parse_uint(&arg);
735 else if (arg_match(&arg, &timebase, argi))
737 cfg.g_timebase = arg_parse_rational(&arg);
738 arg_have_timebase = 1;
740 else if (arg_match(&arg, &error_resilient, argi))
741 cfg.g_error_resilient = arg_parse_uint(&arg);
742 else if (arg_match(&arg, &lag_in_frames, argi))
743 cfg.g_lag_in_frames = arg_parse_uint(&arg);
744 else if (arg_match(&arg, &dropframe_thresh, argi))
745 cfg.rc_dropframe_thresh = arg_parse_uint(&arg);
746 else if (arg_match(&arg, &resize_allowed, argi))
747 cfg.rc_resize_allowed = arg_parse_uint(&arg);
748 else if (arg_match(&arg, &resize_up_thresh, argi))
749 cfg.rc_resize_up_thresh = arg_parse_uint(&arg);
750 else if (arg_match(&arg, &resize_down_thresh, argi))
751 cfg.rc_resize_down_thresh = arg_parse_uint(&arg);
752 else if (arg_match(&arg, &resize_down_thresh, argi))
753 cfg.rc_resize_down_thresh = arg_parse_uint(&arg);
754 else if (arg_match(&arg, &end_usage, argi))
755 cfg.rc_end_usage = arg_parse_uint(&arg);
756 else if (arg_match(&arg, &target_bitrate, argi))
757 cfg.rc_target_bitrate = arg_parse_uint(&arg);
758 else if (arg_match(&arg, &min_quantizer, argi))
759 cfg.rc_min_quantizer = arg_parse_uint(&arg);
760 else if (arg_match(&arg, &max_quantizer, argi))
761 cfg.rc_max_quantizer = arg_parse_uint(&arg);
762 else if (arg_match(&arg, &undershoot_pct, argi))
763 cfg.rc_undershoot_pct = arg_parse_uint(&arg);
764 else if (arg_match(&arg, &overshoot_pct, argi))
765 cfg.rc_overshoot_pct = arg_parse_uint(&arg);
766 else if (arg_match(&arg, &buf_sz, argi))
767 cfg.rc_buf_sz = arg_parse_uint(&arg);
768 else if (arg_match(&arg, &buf_initial_sz, argi))
769 cfg.rc_buf_initial_sz = arg_parse_uint(&arg);
770 else if (arg_match(&arg, &buf_optimal_sz, argi))
771 cfg.rc_buf_optimal_sz = arg_parse_uint(&arg);
772 else if (arg_match(&arg, &bias_pct, argi))
774 cfg.rc_2pass_vbr_bias_pct = arg_parse_uint(&arg);
778 "Warning: option %s ignored in one-pass mode.\n",
781 else if (arg_match(&arg, &minsection_pct, argi))
783 cfg.rc_2pass_vbr_minsection_pct = arg_parse_uint(&arg);
787 "Warning: option %s ignored in one-pass mode.\n",
790 else if (arg_match(&arg, &maxsection_pct, argi))
792 cfg.rc_2pass_vbr_maxsection_pct = arg_parse_uint(&arg);
796 "Warning: option %s ignored in one-pass mode.\n",
799 else if (arg_match(&arg, &kf_min_dist, argi))
800 cfg.kf_min_dist = arg_parse_uint(&arg);
801 else if (arg_match(&arg, &kf_max_dist, argi))
802 cfg.kf_max_dist = arg_parse_uint(&arg);
807 /* Handle codec specific options */
808 #if CONFIG_VP8_ENCODER
810 if (codec->iface == &vpx_codec_vp8_cx_algo)
812 ctrl_args = vp8_args;
813 ctrl_args_map = vp8_arg_ctrl_map;
818 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
824 for (i = 0; ctrl_args[i]; i++)
826 if (arg_match(&arg, ctrl_args[i], argi))
830 if (arg_ctrl_cnt < ARG_CTRL_CNT_MAX)
832 arg_ctrls[arg_ctrl_cnt][0] = ctrl_args_map[i];
833 arg_ctrls[arg_ctrl_cnt][1] = arg_parse_int(&arg);
843 /* Check for unrecognized options */
844 for (argi = argv; *argi; argi++)
845 if (argi[0][0] == '-' && argi[0][1])
846 die("Error: Unrecognized option %s\n", *argi);
848 /* Handle non-option arguments */
852 if (!in_fn || !out_fn)
855 memset(&stats, 0, sizeof(stats));
857 for (pass = one_pass_only ? one_pass_only - 1 : 0; pass < arg_passes; pass++)
859 int frames_in = 0, frames_out = 0;
860 unsigned long nbytes = 0;
861 struct detect_buffer detect;
863 /* Parse certain options from the input file, if possible */
864 infile = strcmp(in_fn, "-") ? fopen(in_fn, "rb") : stdin;
868 fprintf(stderr, "Failed to open input file\n");
872 fread(detect.buf, 1, 4, infile);
875 if (file_is_y4m(infile, &y4m, detect.buf))
877 if (y4m_input_open(&y4m, infile, detect.buf, 4) >= 0)
879 file_type = FILE_TYPE_Y4M;
882 /* Use the frame rate from the file only if none was specified
883 * on the command-line.
885 if (!arg_have_timebase)
887 cfg.g_timebase.num = y4m.fps_d;
888 cfg.g_timebase.den = y4m.fps_n;
894 fprintf(stderr, "Unsupported Y4M stream.\n");
898 else if (file_is_ivf(infile, &fourcc, &cfg.g_w, &cfg.g_h, detect.buf))
900 file_type = FILE_TYPE_IVF;
910 fprintf(stderr, "Unsupported fourcc (%08x) in IVF\n", fourcc);
916 file_type = FILE_TYPE_RAW;
919 #define SHOW(field) fprintf(stderr, " %-28s = %d\n", #field, cfg.field)
921 if (verbose && pass == 0)
923 fprintf(stderr, "Codec: %s\n", vpx_codec_iface_name(codec->iface));
924 fprintf(stderr, "Source file: %s Format: %s\n", in_fn,
925 arg_use_i420 ? "I420" : "YV12");
926 fprintf(stderr, "Destination file: %s\n", out_fn);
927 fprintf(stderr, "Encoder parameters:\n");
934 SHOW(g_timebase.num);
935 SHOW(g_timebase.den);
936 SHOW(g_error_resilient);
938 SHOW(g_lag_in_frames);
939 SHOW(rc_dropframe_thresh);
940 SHOW(rc_resize_allowed);
941 SHOW(rc_resize_up_thresh);
942 SHOW(rc_resize_down_thresh);
944 SHOW(rc_target_bitrate);
945 SHOW(rc_min_quantizer);
946 SHOW(rc_max_quantizer);
947 SHOW(rc_undershoot_pct);
948 SHOW(rc_overshoot_pct);
950 SHOW(rc_buf_initial_sz);
951 SHOW(rc_buf_optimal_sz);
952 SHOW(rc_2pass_vbr_bias_pct);
953 SHOW(rc_2pass_vbr_minsection_pct);
954 SHOW(rc_2pass_vbr_maxsection_pct);
960 if(pass == (one_pass_only ? one_pass_only - 1 : 0)) {
961 if (file_type == FILE_TYPE_Y4M)
962 /*The Y4M reader does its own allocation.
963 Just initialize this here to avoid problems if we never read any
965 memset(&raw, 0, sizeof(raw));
967 vpx_img_alloc(&raw, arg_use_i420 ? VPX_IMG_FMT_I420 : VPX_IMG_FMT_YV12,
968 cfg.g_w, cfg.g_h, 1);
970 // This was added so that ivfenc will create monotically increasing
971 // timestamps. Since we create new timestamps for alt-reference frames
972 // we need to make room in the series of timestamps. Since there can
973 // only be 1 alt-ref frame ( current bitstream) multiplying by 2
974 // gives us enough room.
975 cfg.g_timebase.den *= 2;
978 outfile = strcmp(out_fn, "-") ? fopen(out_fn, "wb") : stdout;
982 fprintf(stderr, "Failed to open output file\n");
988 if (!stats_open_file(&stats, stats_fn, pass))
990 fprintf(stderr, "Failed to open statistics store\n");
996 if (!stats_open_mem(&stats, pass))
998 fprintf(stderr, "Failed to open statistics store\n");
1003 cfg.g_pass = arg_passes == 2
1004 ? pass ? VPX_RC_LAST_PASS : VPX_RC_FIRST_PASS
1006 #if VPX_ENCODER_ABI_VERSION > (1 + VPX_CODEC_ABI_VERSION)
1010 cfg.rc_twopass_stats_in = stats_get(&stats);
1015 write_ivf_file_header(outfile, &cfg, codec->fourcc, 0);
1018 /* Construct Encoder Context */
1019 if (cfg.kf_min_dist == cfg.kf_max_dist)
1020 cfg.kf_mode = VPX_KF_FIXED;
1022 vpx_codec_enc_init(&encoder, codec->iface, &cfg,
1023 show_psnr ? VPX_CODEC_USE_PSNR : 0);
1024 ctx_exit_on_error(&encoder, "Failed to initialize encoder");
1026 /* Note that we bypass the vpx_codec_control wrapper macro because
1027 * we're being clever to store the control IDs in an array. Real
1028 * applications will want to make use of the enumerations directly
1030 for (i = 0; i < arg_ctrl_cnt; i++)
1032 if (vpx_codec_control_(&encoder, arg_ctrls[i][0], arg_ctrls[i][1]))
1033 fprintf(stderr, "Error: Tried to set control %d = %d\n",
1034 arg_ctrls[i][0], arg_ctrls[i][1]);
1036 ctx_exit_on_error(&encoder, "Failed to control codec");
1042 while (frame_avail || got_data)
1044 vpx_codec_iter_t iter = NULL;
1045 const vpx_codec_cx_pkt_t *pkt;
1046 struct vpx_usec_timer timer;
1048 if (!arg_limit || frames_in < arg_limit)
1050 frame_avail = read_frame(infile, &raw, file_type, &y4m,
1057 "\rPass %d/%d frame %4d/%-4d %7ldB \033[K", pass + 1,
1058 arg_passes, frames_in, frames_out, nbytes);
1063 vpx_usec_timer_start(&timer);
1065 // since we halved our timebase we need to double the timestamps
1066 // and duration we pass in.
1067 vpx_codec_encode(&encoder, frame_avail ? &raw : NULL, (frames_in - 1) * 2,
1068 2, 0, arg_deadline);
1069 vpx_usec_timer_mark(&timer);
1070 cx_time += vpx_usec_timer_elapsed(&timer);
1071 ctx_exit_on_error(&encoder, "Failed to encode frame");
1074 while ((pkt = vpx_codec_get_cx_data(&encoder, &iter)))
1080 case VPX_CODEC_CX_FRAME_PKT:
1082 fprintf(stderr, " %6luF",
1083 (unsigned long)pkt->data.frame.sz);
1084 write_ivf_frame_header(outfile, pkt);
1085 fwrite(pkt->data.frame.buf, 1, pkt->data.frame.sz, outfile);
1086 nbytes += pkt->data.raw.sz;
1088 case VPX_CODEC_STATS_PKT:
1090 fprintf(stderr, " %6luS",
1091 (unsigned long)pkt->data.twopass_stats.sz);
1093 pkt->data.twopass_stats.buf,
1094 pkt->data.twopass_stats.sz);
1095 nbytes += pkt->data.raw.sz;
1097 case VPX_CODEC_PSNR_PKT:
1103 for (i = 0; i < 4; i++)
1104 fprintf(stderr, "%.3lf ", pkt->data.psnr.psnr[i]);
1116 /* this bitrate calc is simplified and relies on the fact that this
1117 * application uses 1/timebase for framerate.
1120 "\rPass %d/%d frame %4d/%-4d %7ldB %7ldb/f %7"PRId64"b/s"
1121 " %7lu %s (%.2f fps)\033[K", pass + 1,
1122 arg_passes, frames_in, frames_out, nbytes, nbytes * 8 / frames_in,
1123 nbytes * 8 *(int64_t)cfg.g_timebase.den/2/ cfg.g_timebase.num / frames_in,
1124 cx_time > 9999999 ? cx_time / 1000 : cx_time,
1125 cx_time > 9999999 ? "ms" : "us",
1126 (float)frames_in * 1000000.0 / (float)cx_time);
1128 vpx_codec_destroy(&encoder);
1132 if (!fseek(outfile, 0, SEEK_SET))
1133 write_ivf_file_header(outfile, &cfg, codec->fourcc, frames_out);
1136 stats_close(&stats);
1137 fprintf(stderr, "\n");
1145 return EXIT_SUCCESS;