vpxenc.c 49.8 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 12 13 14
 */


/* This is a simple program that encodes YV12 files and generates ivf
 * files using the new interface.
 */
15
#if defined(_WIN32)
16 17 18 19
#define USE_POSIX_MMAP 0
#else
#define USE_POSIX_MMAP 1
#endif
John Koleszar's avatar
John Koleszar committed
20 21 22 23 24

#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
John Koleszar's avatar
John Koleszar committed
25
#include <limits.h>
26
#include "vpx/vpx_encoder.h"
John Koleszar's avatar
John Koleszar committed
27 28 29 30 31 32 33
#if USE_POSIX_MMAP
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <unistd.h>
#endif
John Koleszar's avatar
John Koleszar committed
34
#include "vpx_version.h"
35
#include "vpx/vp8cx.h"
John Koleszar's avatar
John Koleszar committed
36 37
#include "vpx_ports/mem_ops.h"
#include "vpx_ports/vpx_timer.h"
38
#include "y4minput.h"
John Koleszar's avatar
John Koleszar committed
39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
#include "libmkv/EbmlWriter.h"
#include "libmkv/EbmlIDs.h"

/* Need special handling of these functions on Windows */
#if defined(_MSC_VER)
/* MSVS doesn't define off_t, and uses _f{seek,tell}i64 */
typedef __int64 off_t;
#define fseeko _fseeki64
#define ftello _ftelli64
#elif defined(_WIN32)
/* MinGW defines off_t, and uses f{seek,tell}o64 */
#define fseeko fseeko64
#define ftello ftello64
#endif

#if defined(_MSC_VER)
#define LITERALU64(n) n
#else
#define LITERALU64(n) n##LLU
#endif
John Koleszar's avatar
John Koleszar committed
59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79

static const char *exec_name;

static const struct codec_item
{
    char const              *name;
    const vpx_codec_iface_t *iface;
    unsigned int             fourcc;
} codecs[] =
{
#if CONFIG_VP8_ENCODER
    {"vp8",  &vpx_codec_vp8_cx_algo, 0x30385056},
#endif
};

static void usage_exit();

void die(const char *fmt, ...)
{
    va_list ap;
    va_start(ap, fmt);
80 81
    vfprintf(stderr, fmt, ap);
    fprintf(stderr, "\n");
John Koleszar's avatar
John Koleszar committed
82 83 84 85 86 87 88 89 90
    usage_exit();
}

static void ctx_exit_on_error(vpx_codec_ctx_t *ctx, const char *s)
{
    if (ctx->err)
    {
        const char *detail = vpx_codec_error_detail(ctx);

91
        fprintf(stderr, "%s: %s\n", s, vpx_codec_error(ctx));
John Koleszar's avatar
John Koleszar committed
92 93

        if (detail)
94
            fprintf(stderr, "    %s\n", detail);
John Koleszar's avatar
John Koleszar committed
95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243

        exit(EXIT_FAILURE);
    }
}

/* This structure is used to abstract the different ways of handling
 * first pass statistics.
 */
typedef struct
{
    vpx_fixed_buf_t buf;
    int             pass;
    FILE           *file;
    char           *buf_ptr;
    size_t          buf_alloc_sz;
} stats_io_t;

int stats_open_file(stats_io_t *stats, const char *fpf, int pass)
{
    int res;

    stats->pass = pass;

    if (pass == 0)
    {
        stats->file = fopen(fpf, "wb");
        stats->buf.sz = 0;
        stats->buf.buf = NULL,
                   res = (stats->file != NULL);
    }
    else
    {
#if 0
#elif USE_POSIX_MMAP
        struct stat stat_buf;
        int fd;

        fd = open(fpf, O_RDONLY);
        stats->file = fdopen(fd, "rb");
        fstat(fd, &stat_buf);
        stats->buf.sz = stat_buf.st_size;
        stats->buf.buf = mmap(NULL, stats->buf.sz, PROT_READ, MAP_PRIVATE,
                              fd, 0);
        res = (stats->buf.buf != NULL);
#else
        size_t nbytes;

        stats->file = fopen(fpf, "rb");

        if (fseek(stats->file, 0, SEEK_END))
        {
            fprintf(stderr, "First-pass stats file must be seekable!\n");
            exit(EXIT_FAILURE);
        }

        stats->buf.sz = stats->buf_alloc_sz = ftell(stats->file);
        rewind(stats->file);

        stats->buf.buf = malloc(stats->buf_alloc_sz);

        if (!stats->buf.buf)
        {
            fprintf(stderr, "Failed to allocate first-pass stats buffer (%d bytes)\n",
                    stats->buf_alloc_sz);
            exit(EXIT_FAILURE);
        }

        nbytes = fread(stats->buf.buf, 1, stats->buf.sz, stats->file);
        res = (nbytes == stats->buf.sz);
#endif
    }

    return res;
}

int stats_open_mem(stats_io_t *stats, int pass)
{
    int res;
    stats->pass = pass;

    if (!pass)
    {
        stats->buf.sz = 0;
        stats->buf_alloc_sz = 64 * 1024;
        stats->buf.buf = malloc(stats->buf_alloc_sz);
    }

    stats->buf_ptr = stats->buf.buf;
    res = (stats->buf.buf != NULL);
    return res;
}


void stats_close(stats_io_t *stats)
{
    if (stats->file)
    {
        if (stats->pass == 1)
        {
#if 0
#elif USE_POSIX_MMAP
            munmap(stats->buf.buf, stats->buf.sz);
#else
            free(stats->buf.buf);
#endif
        }

        fclose(stats->file);
        stats->file = NULL;
    }
    else
    {
        if (stats->pass == 1)
            free(stats->buf.buf);
    }
}

void stats_write(stats_io_t *stats, const void *pkt, size_t len)
{
    if (stats->file)
    {
        fwrite(pkt, 1, len, stats->file);
    }
    else
    {
        if (stats->buf.sz + len > stats->buf_alloc_sz)
        {
            size_t  new_sz = stats->buf_alloc_sz + 64 * 1024;
            char   *new_ptr = realloc(stats->buf.buf, new_sz);

            if (new_ptr)
            {
                stats->buf_ptr = new_ptr + (stats->buf_ptr - (char *)stats->buf.buf);
                stats->buf.buf = new_ptr;
                stats->buf_alloc_sz = new_sz;
            } /* else ... */
        }

        memcpy(stats->buf_ptr, pkt, len);
        stats->buf.sz += len;
        stats->buf_ptr += len;
    }
}

vpx_fixed_buf_t stats_get(stats_io_t *stats)
{
    return stats->buf;
}

244 245 246 247 248 249 250
enum video_file_type
{
    FILE_TYPE_RAW,
    FILE_TYPE_IVF,
    FILE_TYPE_Y4M
};

251 252 253 254 255 256
struct detect_buffer {
    char buf[4];
    int  valid;
};


John Koleszar's avatar
John Koleszar committed
257
#define IVF_FRAME_HDR_SZ (4+8) /* 4 byte size + 8 byte timestamp */
258
static int read_frame(FILE *f, vpx_image_t *img, unsigned int file_type,
259
                      y4m_input *y4m, struct detect_buffer *detect)
John Koleszar's avatar
John Koleszar committed
260 261 262
{
    int plane = 0;

263
    if (file_type == FILE_TYPE_Y4M)
John Koleszar's avatar
John Koleszar committed
264
    {
265 266
        if (y4m_input_fetch_frame(y4m, f, img) < 0)
           return 0;
John Koleszar's avatar
John Koleszar committed
267
    }
268
    else
John Koleszar's avatar
John Koleszar committed
269
    {
270
        if (file_type == FILE_TYPE_IVF)
John Koleszar's avatar
John Koleszar committed
271
        {
272 273 274 275 276 277 278
            char junk[IVF_FRAME_HDR_SZ];

            /* Skip the frame header. We know how big the frame should be. See
             * write_ivf_frame_header() for documentation on the frame header
             * layout.
             */
            fread(junk, 1, IVF_FRAME_HDR_SZ, f);
John Koleszar's avatar
John Koleszar committed
279 280
        }

281
        for (plane = 0; plane < 3; plane++)
John Koleszar's avatar
John Koleszar committed
282
        {
283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305
            unsigned char *ptr;
            int w = (plane ? (1 + img->d_w) / 2 : img->d_w);
            int h = (plane ? (1 + img->d_h) / 2 : img->d_h);
            int r;

            /* Determine the correct plane based on the image format. The for-loop
             * always counts in Y,U,V order, but this may not match the order of
             * the data on disk.
             */
            switch (plane)
            {
            case 1:
                ptr = img->planes[img->fmt==VPX_IMG_FMT_YV12? VPX_PLANE_V : VPX_PLANE_U];
                break;
            case 2:
                ptr = img->planes[img->fmt==VPX_IMG_FMT_YV12?VPX_PLANE_U : VPX_PLANE_V];
                break;
            default:
                ptr = img->planes[plane];
            }

            for (r = 0; r < h; r++)
            {
306 307 308 309 310 311 312 313 314
                if (detect->valid)
                {
                    memcpy(ptr, detect->buf, 4);
                    fread(ptr+4, 1, w-4, f);
                    detect->valid = 0;
                }
                else
                    fread(ptr, 1, w, f);

315 316
                ptr += img->stride[plane];
            }
John Koleszar's avatar
John Koleszar committed
317 318 319 320 321 322 323
        }
    }

    return !feof(f);
}


324
unsigned int file_is_y4m(FILE      *infile,
325 326
                         y4m_input *y4m,
                         char       detect[4])
327
{
328
    if(memcmp(detect, "YUV4", 4) == 0)
329 330 331 332 333 334
    {
        return 1;
    }
    return 0;
}

John Koleszar's avatar
John Koleszar committed
335 336 337 338
#define IVF_FILE_HDR_SZ (32)
unsigned int file_is_ivf(FILE *infile,
                         unsigned int *fourcc,
                         unsigned int *width,
339 340
                         unsigned int *height,
                         char          detect[4])
John Koleszar's avatar
John Koleszar committed
341 342 343 344
{
    char raw_hdr[IVF_FILE_HDR_SZ];
    int is_ivf = 0;

345 346 347
    if(memcmp(detect, "DKIF", 4) != 0)
        return 0;

John Koleszar's avatar
John Koleszar committed
348 349 350
    /* See write_ivf_file_header() for more documentation on the file header
     * layout.
     */
351 352
    if (fread(raw_hdr + 4, 1, IVF_FILE_HDR_SZ - 4, infile)
        == IVF_FILE_HDR_SZ - 4)
John Koleszar's avatar
John Koleszar committed
353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419
    {
        {
            is_ivf = 1;

            if (mem_get_le16(raw_hdr + 4) != 0)
                fprintf(stderr, "Error: Unrecognized IVF version! This file may not"
                        " decode properly.");

            *fourcc = mem_get_le32(raw_hdr + 8);
        }
    }

    if (is_ivf)
    {
        *width = mem_get_le16(raw_hdr + 12);
        *height = mem_get_le16(raw_hdr + 14);
    }

    return is_ivf;
}


static void write_ivf_file_header(FILE *outfile,
                                  const vpx_codec_enc_cfg_t *cfg,
                                  unsigned int fourcc,
                                  int frame_cnt)
{
    char header[32];

    if (cfg->g_pass != VPX_RC_ONE_PASS && cfg->g_pass != VPX_RC_LAST_PASS)
        return;

    header[0] = 'D';
    header[1] = 'K';
    header[2] = 'I';
    header[3] = 'F';
    mem_put_le16(header + 4,  0);                 /* version */
    mem_put_le16(header + 6,  32);                /* headersize */
    mem_put_le32(header + 8,  fourcc);            /* headersize */
    mem_put_le16(header + 12, cfg->g_w);          /* width */
    mem_put_le16(header + 14, cfg->g_h);          /* height */
    mem_put_le32(header + 16, cfg->g_timebase.den); /* rate */
    mem_put_le32(header + 20, cfg->g_timebase.num); /* scale */
    mem_put_le32(header + 24, frame_cnt);         /* length */
    mem_put_le32(header + 28, 0);                 /* unused */

    fwrite(header, 1, 32, outfile);
}


static void write_ivf_frame_header(FILE *outfile,
                                   const vpx_codec_cx_pkt_t *pkt)
{
    char             header[12];
    vpx_codec_pts_t  pts;

    if (pkt->kind != VPX_CODEC_CX_FRAME_PKT)
        return;

    pts = pkt->data.frame.pts;
    mem_put_le32(header, pkt->data.frame.sz);
    mem_put_le32(header + 4, pts & 0xFFFFFFFF);
    mem_put_le32(header + 8, pts >> 32);

    fwrite(header, 1, 12, outfile);
}

John Koleszar's avatar
John Koleszar committed
420 421 422 423 424 425 426 427 428 429 430 431 432

typedef off_t EbmlLoc;


struct cue_entry
{
    unsigned int time;
    uint64_t     loc;
};


struct EbmlGlobal
{
433 434
    int debug;

John Koleszar's avatar
John Koleszar committed
435 436 437 438 439 440 441 442 443 444 445 446
    FILE    *stream;
    uint64_t last_pts_ms;
    vpx_rational_t  framerate;

    /* These pointers are to the start of an element */
    off_t    position_reference;
    off_t    seek_info_pos;
    off_t    segment_info_pos;
    off_t    track_pos;
    off_t    cue_pos;
    off_t    cluster_pos;

John Koleszar's avatar
John Koleszar committed
447 448 449
    /* This pointer is to a specific element to be serialized */
    off_t    track_id_pos;

John Koleszar's avatar
John Koleszar committed
450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477
    /* These pointers are to the size field of the element */
    EbmlLoc  startSegment;
    EbmlLoc  startCluster;

    uint32_t cluster_timecode;
    int      cluster_open;

    struct cue_entry *cue_list;
    unsigned int      cues;

};


void Ebml_Write(EbmlGlobal *glob, const void *buffer_in, unsigned long len)
{
    fwrite(buffer_in, 1, len, glob->stream);
}


void Ebml_Serialize(EbmlGlobal *glob, const void *buffer_in, unsigned long len)
{
    const unsigned char *q = (const unsigned char *)buffer_in + len - 1;

    for(; len; len--)
        Ebml_Write(glob, q--, 1);
}


John Koleszar's avatar
John Koleszar committed
478 479 480 481 482 483 484 485 486 487 488 489
/* Need a fixed size serializer for the track ID. libmkv provdes a 64 bit
 * one, but not a 32 bit one.
 */
static void Ebml_SerializeUnsigned32(EbmlGlobal *glob, unsigned long class_id, uint64_t ui)
{
    unsigned char sizeSerialized = 4 | 0x80;
    Ebml_WriteID(glob, class_id);
    Ebml_Serialize(glob, &sizeSerialized, 1);
    Ebml_Serialize(glob, &ui, 4);
}


John Koleszar's avatar
John Koleszar committed
490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571
static void
Ebml_StartSubElement(EbmlGlobal *glob, EbmlLoc *ebmlLoc,
                          unsigned long class_id)
{
    //todo this is always taking 8 bytes, this may need later optimization
    //this is a key that says lenght unknown
    unsigned long long unknownLen =  LITERALU64(0x01FFFFFFFFFFFFFF);

    Ebml_WriteID(glob, class_id);
    *ebmlLoc = ftello(glob->stream);
    Ebml_Serialize(glob, &unknownLen, 8);
}

static void
Ebml_EndSubElement(EbmlGlobal *glob, EbmlLoc *ebmlLoc)
{
    off_t pos;
    uint64_t size;

    /* Save the current stream pointer */
    pos = ftello(glob->stream);

    /* Calculate the size of this element */
    size = pos - *ebmlLoc - 8;
    size |=  LITERALU64(0x0100000000000000);

    /* Seek back to the beginning of the element and write the new size */
    fseeko(glob->stream, *ebmlLoc, SEEK_SET);
    Ebml_Serialize(glob, &size, 8);

    /* Reset the stream pointer */
    fseeko(glob->stream, pos, SEEK_SET);
}


static void
write_webm_seek_element(EbmlGlobal *ebml, unsigned long id, off_t pos)
{
    uint64_t offset = pos - ebml->position_reference;
    EbmlLoc start;
    Ebml_StartSubElement(ebml, &start, Seek);
    Ebml_SerializeBinary(ebml, SeekID, id);
    Ebml_SerializeUnsigned64(ebml, SeekPosition, offset);
    Ebml_EndSubElement(ebml, &start);
}


static void
write_webm_seek_info(EbmlGlobal *ebml)
{

    off_t pos;

    /* Save the current stream pointer */
    pos = ftello(ebml->stream);

    if(ebml->seek_info_pos)
        fseeko(ebml->stream, ebml->seek_info_pos, SEEK_SET);
    else
        ebml->seek_info_pos = pos;

    {
        EbmlLoc start;

        Ebml_StartSubElement(ebml, &start, SeekHead);
        write_webm_seek_element(ebml, Tracks, ebml->track_pos);
        write_webm_seek_element(ebml, Cues,   ebml->cue_pos);
        write_webm_seek_element(ebml, Info,   ebml->segment_info_pos);
        Ebml_EndSubElement(ebml, &start);
    }
    {
        //segment info
        EbmlLoc startInfo;
        uint64_t frame_time;

        frame_time = (uint64_t)1000 * ebml->framerate.den
                     / ebml->framerate.num;
        ebml->segment_info_pos = ftello(ebml->stream);
        Ebml_StartSubElement(ebml, &startInfo, Info);
        Ebml_SerializeUnsigned(ebml, TimecodeScale, 1000000);
        Ebml_SerializeFloat(ebml, Segment_Duration,
                            ebml->last_pts_ms + frame_time);
572 573 574 575
        Ebml_SerializeString(ebml, 0x4D80,
            ebml->debug ? "vpxenc" : "vpxenc" VERSION_STRING);
        Ebml_SerializeString(ebml, 0x5741,
            ebml->debug ? "vpxenc" : "vpxenc" VERSION_STRING);
John Koleszar's avatar
John Koleszar committed
576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614
        Ebml_EndSubElement(ebml, &startInfo);
    }
}


static void
write_webm_file_header(EbmlGlobal                *glob,
                       const vpx_codec_enc_cfg_t *cfg,
                       const struct vpx_rational *fps)
{
    {
        EbmlLoc start;
        Ebml_StartSubElement(glob, &start, EBML);
        Ebml_SerializeUnsigned(glob, EBMLVersion, 1);
        Ebml_SerializeUnsigned(glob, EBMLReadVersion, 1); //EBML Read Version
        Ebml_SerializeUnsigned(glob, EBMLMaxIDLength, 4); //EBML Max ID Length
        Ebml_SerializeUnsigned(glob, EBMLMaxSizeLength, 8); //EBML Max Size Length
        Ebml_SerializeString(glob, DocType, "webm"); //Doc Type
        Ebml_SerializeUnsigned(glob, DocTypeVersion, 2); //Doc Type Version
        Ebml_SerializeUnsigned(glob, DocTypeReadVersion, 2); //Doc Type Read Version
        Ebml_EndSubElement(glob, &start);
    }
    {
        Ebml_StartSubElement(glob, &glob->startSegment, Segment); //segment
        glob->position_reference = ftello(glob->stream);
        glob->framerate = *fps;
        write_webm_seek_info(glob);

        {
            EbmlLoc trackStart;
            glob->track_pos = ftello(glob->stream);
            Ebml_StartSubElement(glob, &trackStart, Tracks);
            {
                unsigned int trackNumber = 1;
                uint64_t     trackID = 0;

                EbmlLoc start;
                Ebml_StartSubElement(glob, &start, TrackEntry);
                Ebml_SerializeUnsigned(glob, TrackNumber, trackNumber);
John Koleszar's avatar
John Koleszar committed
615 616
                glob->track_id_pos = ftello(glob->stream);
                Ebml_SerializeUnsigned32(glob, TrackUID, trackID);
John Koleszar's avatar
John Koleszar committed
617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717
                Ebml_SerializeUnsigned(glob, TrackType, 1); //video is always 1
                Ebml_SerializeString(glob, CodecID, "V_VP8");
                {
                    unsigned int pixelWidth = cfg->g_w;
                    unsigned int pixelHeight = cfg->g_h;
                    float        frameRate   = (float)fps->num/(float)fps->den;

                    EbmlLoc videoStart;
                    Ebml_StartSubElement(glob, &videoStart, Video);
                    Ebml_SerializeUnsigned(glob, PixelWidth, pixelWidth);
                    Ebml_SerializeUnsigned(glob, PixelHeight, pixelHeight);
                    Ebml_SerializeFloat(glob, FrameRate, frameRate);
                    Ebml_EndSubElement(glob, &videoStart); //Video
                }
                Ebml_EndSubElement(glob, &start); //Track Entry
            }
            Ebml_EndSubElement(glob, &trackStart);
        }
        // segment element is open
    }
}


static void
write_webm_block(EbmlGlobal                *glob,
                 const vpx_codec_enc_cfg_t *cfg,
                 const vpx_codec_cx_pkt_t  *pkt)
{
    unsigned long  block_length;
    unsigned char  track_number;
    unsigned short block_timecode = 0;
    unsigned char  flags;
    uint64_t       pts_ms;
    int            start_cluster = 0, is_keyframe;

    /* Calculate the PTS of this frame in milliseconds */
    pts_ms = pkt->data.frame.pts * 1000
             * (uint64_t)cfg->g_timebase.num / (uint64_t)cfg->g_timebase.den;
    if(pts_ms <= glob->last_pts_ms)
        pts_ms = glob->last_pts_ms + 1;
    glob->last_pts_ms = pts_ms;

    /* Calculate the relative time of this block */
    if(pts_ms - glob->cluster_timecode > SHRT_MAX)
        start_cluster = 1;
    else
        block_timecode = pts_ms - glob->cluster_timecode;

    is_keyframe = (pkt->data.frame.flags & VPX_FRAME_IS_KEY);
    if(start_cluster || is_keyframe)
    {
        if(glob->cluster_open)
            Ebml_EndSubElement(glob, &glob->startCluster);

        /* Open the new cluster */
        block_timecode = 0;
        glob->cluster_open = 1;
        glob->cluster_timecode = pts_ms;
        glob->cluster_pos = ftello(glob->stream);
        Ebml_StartSubElement(glob, &glob->startCluster, Cluster); //cluster
        Ebml_SerializeUnsigned(glob, Timecode, glob->cluster_timecode);

        /* Save a cue point if this is a keyframe. */
        if(is_keyframe)
        {
            struct cue_entry *cue;

            glob->cue_list = realloc(glob->cue_list,
                                     (glob->cues+1) * sizeof(struct cue_entry));
            cue = &glob->cue_list[glob->cues];
            cue->time = glob->cluster_timecode;
            cue->loc = glob->cluster_pos;
            glob->cues++;
        }
    }

    /* Write the Simple Block */
    Ebml_WriteID(glob, SimpleBlock);

    block_length = pkt->data.frame.sz + 4;
    block_length |= 0x10000000;
    Ebml_Serialize(glob, &block_length, 4);

    track_number = 1;
    track_number |= 0x80;
    Ebml_Write(glob, &track_number, 1);

    Ebml_Serialize(glob, &block_timecode, 2);

    flags = 0;
    if(is_keyframe)
        flags |= 0x80;
    if(pkt->data.frame.flags & VPX_FRAME_IS_INVISIBLE)
        flags |= 0x08;
    Ebml_Write(glob, &flags, 1);

    Ebml_Write(glob, pkt->data.frame.buf, pkt->data.frame.sz);
}


static void
John Koleszar's avatar
John Koleszar committed
718
write_webm_file_footer(EbmlGlobal *glob, long hash)
John Koleszar's avatar
John Koleszar committed
719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756
{

    if(glob->cluster_open)
        Ebml_EndSubElement(glob, &glob->startCluster);

    {
        EbmlLoc start;
        int i;

        glob->cue_pos = ftello(glob->stream);
        Ebml_StartSubElement(glob, &start, Cues);
        for(i=0; i<glob->cues; i++)
        {
            struct cue_entry *cue = &glob->cue_list[i];
            EbmlLoc start;

            Ebml_StartSubElement(glob, &start, CuePoint);
            {
                EbmlLoc start;

                Ebml_SerializeUnsigned(glob, CueTime, cue->time);

                Ebml_StartSubElement(glob, &start, CueTrackPositions);
                Ebml_SerializeUnsigned(glob, CueTrack, 1);
                Ebml_SerializeUnsigned64(glob, CueClusterPosition,
                                         cue->loc - glob->position_reference);
                //Ebml_SerializeUnsigned(glob, CueBlockNumber, cue->blockNumber);
                Ebml_EndSubElement(glob, &start);
            }
            Ebml_EndSubElement(glob, &start);
        }
        Ebml_EndSubElement(glob, &start);
    }

    Ebml_EndSubElement(glob, &glob->startSegment);

    /* Patch up the seek info block */
    write_webm_seek_info(glob);
John Koleszar's avatar
John Koleszar committed
757 758 759 760 761

    /* Patch up the track id */
    fseeko(glob->stream, glob->track_id_pos, SEEK_SET);
    Ebml_SerializeUnsigned32(glob, TrackUID, glob->debug ? 0xDEADBEEF : hash);

John Koleszar's avatar
John Koleszar committed
762 763 764 765
    fseeko(glob->stream, 0, SEEK_END);
}


John Koleszar's avatar
John Koleszar committed
766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813
/* 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  = data[0];
        k |= data[1] << 8;
        k |= data[2] << 16;
        k |= 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;
}


John Koleszar's avatar
John Koleszar committed
814 815
#include "args.h"

816 817
static const arg_def_t debugmode = ARG_DEF("D", "debug", 0,
        "Debug mode (makes output deterministic)");
818 819
static const arg_def_t outputfile = ARG_DEF("o", "output", 1,
        "Output filename");
John Koleszar's avatar
John Koleszar committed
820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845
static const arg_def_t use_yv12 = ARG_DEF(NULL, "yv12", 0,
                                  "Input file is YV12 ");
static const arg_def_t use_i420 = ARG_DEF(NULL, "i420", 0,
                                  "Input file is I420 (default)");
static const arg_def_t codecarg = ARG_DEF(NULL, "codec", 1,
                                  "Codec to use");
static const arg_def_t passes           = ARG_DEF("p", "passes", 1,
        "Number of passes (1/2)");
static const arg_def_t pass_arg         = ARG_DEF(NULL, "pass", 1,
        "Pass to execute (1/2)");
static const arg_def_t fpf_name         = ARG_DEF(NULL, "fpf", 1,
        "First pass statistics file name");
static const arg_def_t limit = ARG_DEF(NULL, "limit", 1,
                                       "Stop encoding after n input frames");
static const arg_def_t deadline         = ARG_DEF("d", "deadline", 1,
        "Deadline per frame (usec)");
static const arg_def_t best_dl          = ARG_DEF(NULL, "best", 0,
        "Use Best Quality Deadline");
static const arg_def_t good_dl          = ARG_DEF(NULL, "good", 0,
        "Use Good Quality Deadline");
static const arg_def_t rt_dl            = ARG_DEF(NULL, "rt", 0,
        "Use Realtime Quality Deadline");
static const arg_def_t verbosearg       = ARG_DEF("v", "verbose", 0,
        "Show encoder parameters");
static const arg_def_t psnrarg          = ARG_DEF(NULL, "psnr", 0,
        "Show PSNR in status line");
846
static const arg_def_t framerate        = ARG_DEF(NULL, "fps", 1,
847
        "Stream frame rate (rate/scale)");
John Koleszar's avatar
John Koleszar committed
848 849
static const arg_def_t use_ivf          = ARG_DEF(NULL, "ivf", 0,
        "Output IVF (default is WebM)");
John Koleszar's avatar
John Koleszar committed
850 851
static const arg_def_t *main_args[] =
{
852
    &debugmode,
853 854
    &outputfile, &codecarg, &passes, &pass_arg, &fpf_name, &limit, &deadline,
    &best_dl, &good_dl, &rt_dl,
John Koleszar's avatar
John Koleszar committed
855
    &verbosearg, &psnrarg, &use_ivf, &framerate,
John Koleszar's avatar
John Koleszar committed
856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878
    NULL
};

static const arg_def_t usage            = ARG_DEF("u", "usage", 1,
        "Usage profile number to use");
static const arg_def_t threads          = ARG_DEF("t", "threads", 1,
        "Max number of threads to use");
static const arg_def_t profile          = ARG_DEF(NULL, "profile", 1,
        "Bitstream profile number to use");
static const arg_def_t width            = ARG_DEF("w", "width", 1,
        "Frame width");
static const arg_def_t height           = ARG_DEF("h", "height", 1,
        "Frame height");
static const arg_def_t timebase         = ARG_DEF(NULL, "timebase", 1,
        "Stream timebase (frame duration)");
static const arg_def_t error_resilient  = ARG_DEF(NULL, "error-resilient", 1,
        "Enable error resiliency features");
static const arg_def_t lag_in_frames    = ARG_DEF(NULL, "lag-in-frames", 1,
        "Max number of frames to lag");

static const arg_def_t *global_args[] =
{
    &use_yv12, &use_i420, &usage, &threads, &profile,
879
    &width, &height, &timebase, &framerate, &error_resilient,
John Koleszar's avatar
John Koleszar committed
880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933
    &lag_in_frames, NULL
};

static const arg_def_t dropframe_thresh   = ARG_DEF(NULL, "drop-frame", 1,
        "Temporal resampling threshold (buf %)");
static const arg_def_t resize_allowed     = ARG_DEF(NULL, "resize-allowed", 1,
        "Spatial resampling enabled (bool)");
static const arg_def_t resize_up_thresh   = ARG_DEF(NULL, "resize-up", 1,
        "Upscale threshold (buf %)");
static const arg_def_t resize_down_thresh = ARG_DEF(NULL, "resize-down", 1,
        "Downscale threshold (buf %)");
static const arg_def_t end_usage          = ARG_DEF(NULL, "end-usage", 1,
        "VBR=0 | CBR=1");
static const arg_def_t target_bitrate     = ARG_DEF(NULL, "target-bitrate", 1,
        "Bitrate (kbps)");
static const arg_def_t min_quantizer      = ARG_DEF(NULL, "min-q", 1,
        "Minimum (best) quantizer");
static const arg_def_t max_quantizer      = ARG_DEF(NULL, "max-q", 1,
        "Maximum (worst) quantizer");
static const arg_def_t undershoot_pct     = ARG_DEF(NULL, "undershoot-pct", 1,
        "Datarate undershoot (min) target (%)");
static const arg_def_t overshoot_pct      = ARG_DEF(NULL, "overshoot-pct", 1,
        "Datarate overshoot (max) target (%)");
static const arg_def_t buf_sz             = ARG_DEF(NULL, "buf-sz", 1,
        "Client buffer size (ms)");
static const arg_def_t buf_initial_sz     = ARG_DEF(NULL, "buf-initial-sz", 1,
        "Client initial buffer size (ms)");
static const arg_def_t buf_optimal_sz     = ARG_DEF(NULL, "buf-optimal-sz", 1,
        "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
};


static const arg_def_t bias_pct = ARG_DEF(NULL, "bias-pct", 1,
                                  "CBR/VBR bias (0=CBR, 100=VBR)");
static const arg_def_t minsection_pct = ARG_DEF(NULL, "minsection-pct", 1,
                                        "GOP min bitrate (% of target)");
static const arg_def_t maxsection_pct = ARG_DEF(NULL, "maxsection-pct", 1,
                                        "GOP max bitrate (% of target)");
static const arg_def_t *rc_twopass_args[] =
{
    &bias_pct, &minsection_pct, &maxsection_pct, NULL
};


static const arg_def_t kf_min_dist = ARG_DEF(NULL, "kf-min-dist", 1,
                                     "Minimum keyframe interval (frames)");
static const arg_def_t kf_max_dist = ARG_DEF(NULL, "kf-max-dist", 1,
                                     "Maximum keyframe interval (frames)");
934 935
static const arg_def_t kf_disabled = ARG_DEF(NULL, "disable-kf", 0,
                                     "Disable keyframe placement");
John Koleszar's avatar
John Koleszar committed
936 937
static const arg_def_t *kf_args[] =
{
938
    &kf_min_dist, &kf_max_dist, &kf_disabled, NULL
John Koleszar's avatar
John Koleszar committed
939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988
};


#if CONFIG_VP8_ENCODER
static const arg_def_t noise_sens = ARG_DEF(NULL, "noise-sensitivity", 1,
                                    "Noise sensitivity (frames to blur)");
static const arg_def_t sharpness = ARG_DEF(NULL, "sharpness", 1,
                                   "Filter sharpness (0-7)");
static const arg_def_t static_thresh = ARG_DEF(NULL, "static-thresh", 1,
                                       "Motion detection threshold");
#endif

#if CONFIG_VP8_ENCODER
static const arg_def_t cpu_used = ARG_DEF(NULL, "cpu-used", 1,
                                  "CPU Used (-16..16)");
#endif


#if CONFIG_VP8_ENCODER
static const arg_def_t token_parts = ARG_DEF(NULL, "token-parts", 1,
                                     "Number of token partitions to use, log2");
static const arg_def_t auto_altref = ARG_DEF(NULL, "auto-alt-ref", 1,
                                     "Enable automatic alt reference frames");
static const arg_def_t arnr_maxframes = ARG_DEF(NULL, "arnr-maxframes", 1,
                                        "alt_ref Max Frames");
static const arg_def_t arnr_strength = ARG_DEF(NULL, "arnr-strength", 1,
                                       "alt_ref Strength");
static const arg_def_t arnr_type = ARG_DEF(NULL, "arnr-type", 1,
                                   "alt_ref Type");

static const arg_def_t *vp8_args[] =
{
    &cpu_used, &auto_altref, &noise_sens, &sharpness, &static_thresh,
    &token_parts, &arnr_maxframes, &arnr_strength, &arnr_type, NULL
};
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, 0
};
#endif

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

static void usage_exit()
{
    int i;

989 990
    fprintf(stderr, "Usage: %s <options> -o dst_filename src_filename \n",
            exec_name);
John Koleszar's avatar
John Koleszar committed
991

992
    fprintf(stderr, "\nOptions:\n");
John Koleszar's avatar
John Koleszar committed
993
    arg_show_usage(stdout, main_args);
994
    fprintf(stderr, "\nEncoder Global Options:\n");
John Koleszar's avatar
John Koleszar committed
995
    arg_show_usage(stdout, global_args);
996
    fprintf(stderr, "\nRate Control Options:\n");
John Koleszar's avatar
John Koleszar committed
997
    arg_show_usage(stdout, rc_args);
998
    fprintf(stderr, "\nTwopass Rate Control Options:\n");
John Koleszar's avatar
John Koleszar committed
999
    arg_show_usage(stdout, rc_twopass_args);
1000
    fprintf(stderr, "\nKeyframe Placement Options:\n");
John Koleszar's avatar
John Koleszar committed
1001 1002
    arg_show_usage(stdout, kf_args);
#if CONFIG_VP8_ENCODER
1003
    fprintf(stderr, "\nVP8 Specific Options:\n");
John Koleszar's avatar
John Koleszar committed
1004 1005
    arg_show_usage(stdout, vp8_args);
#endif
1006
    fprintf(stderr, "\n"
John Koleszar's avatar
John Koleszar committed
1007 1008 1009 1010
           "Included encoders:\n"
           "\n");

    for (i = 0; i < sizeof(codecs) / sizeof(codecs[0]); i++)
1011
        fprintf(stderr, "    %-6s - %s\n",
John Koleszar's avatar
John Koleszar committed
1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044
               codecs[i].name,
               vpx_codec_iface_name(codecs[i].iface));

    exit(EXIT_FAILURE);
}

#define ARG_CTRL_CNT_MAX 10


int main(int argc, const char **argv_)
{
    vpx_codec_ctx_t        encoder;
    const char                  *in_fn = NULL, *out_fn = NULL, *stats_fn = NULL;
    int                    i;
    FILE                  *infile, *outfile;
    vpx_codec_enc_cfg_t    cfg;
    vpx_codec_err_t        res;
    int                    pass, one_pass_only = 0;
    stats_io_t             stats;
    vpx_image_t            raw;
    const struct codec_item  *codec = codecs;
    int                    frame_avail, got_data;

    struct arg               arg;
    char                   **argv, **argi, **argj;
    int                      arg_usage = 0, arg_passes = 1, arg_deadline = 0;
    int                      arg_ctrls[ARG_CTRL_CNT_MAX][2], arg_ctrl_cnt = 0;
    int                      arg_limit = 0;
    static const arg_def_t **ctrl_args = no_args;
    static const int        *ctrl_args_map = NULL;
    int                      verbose = 0, show_psnr = 0;
    int                      arg_use_i420 = 1;
    unsigned long            cx_time = 0;
1045 1046
    unsigned int             file_type, fourcc;
    y4m_input                y4m;
1047 1048
    struct vpx_rational      arg_framerate = {30, 1};
    int                      arg_have_framerate = 0;
John Koleszar's avatar
John Koleszar committed
1049
    int                      write_webm = 1;
John Koleszar's avatar
John Koleszar committed
1050
    EbmlGlobal               ebml = {0};
John Koleszar's avatar
John Koleszar committed
1051
    uint32_t                 hash = 0;
John Koleszar's avatar
John Koleszar committed
1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122

    exec_name = argv_[0];

    if (argc < 3)
        usage_exit();


    /* First parse the codec and usage values, because we want to apply other
     * parameters on top of the default configuration provided by the codec.
     */
    argv = argv_dup(argc - 1, argv_ + 1);

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

        if (arg_match(&arg, &codecarg, argi))
        {
            int j, k = -1;

            for (j = 0; j < sizeof(codecs) / sizeof(codecs[0]); j++)
                if (!strcmp(codecs[j].name, arg.val))
                    k = j;

            if (k >= 0)
                codec = codecs + k;
            else
                die("Error: Unrecognized argument (%s) to --codec\n",
                    arg.val);

        }
        else if (arg_match(&arg, &passes, argi))
        {
            arg_passes = arg_parse_uint(&arg);

            if (arg_passes < 1 || arg_passes > 2)
                die("Error: Invalid number of passes (%d)\n", arg_passes);
        }
        else if (arg_match(&arg, &pass_arg, argi))
        {
            one_pass_only = arg_parse_uint(&arg);

            if (one_pass_only < 1 || one_pass_only > 2)
                die("Error: Invalid pass selected (%d)\n", one_pass_only);
        }
        else if (arg_match(&arg, &fpf_name, argi))
            stats_fn = arg.val;
        else if (arg_match(&arg, &usage, argi))
            arg_usage = arg_parse_uint(&arg);
        else if (arg_match(&arg, &deadline, argi))
            arg_deadline = arg_parse_uint(&arg);
        else if (arg_match(&arg, &best_dl, argi))
            arg_deadline = VPX_DL_BEST_QUALITY;
        else if (arg_match(&arg, &good_dl, argi))
            arg_deadline = VPX_DL_GOOD_QUALITY;
        else if (arg_match(&arg, &rt_dl, argi))
            arg_deadline = VPX_DL_REALTIME;
        else if (arg_match(&arg, &use_yv12, argi))
        {
            arg_use_i420 = 0;
        }
        else if (arg_match(&arg, &use_i420, argi))
        {
            arg_use_i420 = 1;
        }
        else if (arg_match(&arg, &verbosearg, argi))
            verbose = 1;
        else if (arg_match(&arg, &limit, argi))
            arg_limit = arg_parse_uint(&arg);
        else if (arg_match(&arg, &psnrarg, argi))
            show_psnr = 1;
1123 1124 1125 1126 1127
        else if (arg_match(&arg, &framerate, argi))
        {
            arg_framerate = arg_parse_rational(&arg);
            arg_have_framerate = 1;
        }
John Koleszar's avatar
John Koleszar committed
1128 1129
        else if (arg_match(&arg, &use_ivf, argi))
            write_webm = 0;
1130 1131
        else if (arg_match(&arg, &outputfile, argi))
            out_fn = arg.val;
1132 1133
        else if (arg_match(&arg, &debugmode, argi))
            ebml.debug = 1;
John Koleszar's avatar
John Koleszar committed
1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145
        else
            argj++;
    }

    /* Ensure that --passes and --pass are consistent. If --pass is set and --passes=2,
     * ensure --fpf was set.
     */
    if (one_pass_only)
    {
        /* DWIM: Assume the user meant passes=2 if pass=2 is specified */
        if (one_pass_only > arg_passes)
        {
1146
            fprintf(stderr, "Warning: Assuming --pass=%d implies --passes=%d\n",
John Koleszar's avatar
John Koleszar committed
1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159
                   one_pass_only, one_pass_only);
            arg_passes = one_pass_only;
        }

        if (arg_passes == 2 && !stats_fn)
            die("Must specify --fpf when --pass=%d and --passes=2\n", one_pass_only);
    }

    /* Populate encoder configuration */
    res = vpx_codec_enc_config_default(codec->iface, &cfg, arg_usage);

    if (res)
    {
1160 1161
        fprintf(stderr, "Failed to get config: %s\n",
                vpx_codec_err_to_string(res));
John Koleszar's avatar
John Koleszar committed
1162 1163 1164
        return EXIT_FAILURE;
    }

1165 1166 1167 1168 1169
    /* Change the default timebase to a high enough value so that the encoder
     * will always create strictly increasing timestamps.
     */
    cfg.g_timebase.den = 1000;

John Koleszar's avatar
John Koleszar committed
1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222
    /* Now parse the remainder of the parameters. */
    for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
    {
        arg.argv_step = 1;

        if (0);
        else if (arg_match(&arg, &threads, argi))
            cfg.g_threads = arg_parse_uint(&arg);
        else if (arg_match(&arg, &profile, argi))
            cfg.g_profile = arg_parse_uint(&arg);
        else if (arg_match(&arg, &width, argi))
            cfg.g_w = arg_parse_uint(&arg);
        else if (arg_match(&arg, &height, argi))
            cfg.g_h = arg_parse_uint(&arg);
        else if (arg_match(&arg, &timebase, argi))
            cfg.g_timebase = arg_parse_rational(&arg);
        else if (arg_match(&arg, &error_resilient, argi))
            cfg.g_error_resilient = arg_parse_uint(&arg);
        else if (arg_match(&arg, &lag_in_frames, argi))
            cfg.g_lag_in_frames = arg_parse_uint(&arg);
        else if (arg_match(&arg, &dropframe_thresh, argi))
            cfg.rc_dropframe_thresh = arg_parse_uint(&arg);
        else if (arg_match(&arg, &resize_allowed, argi))
            cfg.rc_resize_allowed = arg_parse_uint(&arg);
        else if (arg_match(&arg, &resize_up_thresh, argi))
            cfg.rc_resize_up_thresh = arg_parse_uint(&arg);
        else if (arg_match(&arg, &resize_down_thresh, argi))
            cfg.rc_resize_down_thresh = arg_parse_uint(&arg);
        else if (arg_match(&arg, &resize_down_thresh, argi))
            cfg.rc_resize_down_thresh = arg_parse_uint(&arg);
        else if (arg_match(&arg, &end_usage, argi))
            cfg.rc_end_usage = arg_parse_uint(&arg);
        else if (arg_match(&arg, &target_bitrate, argi))
            cfg.rc_target_bitrate = arg_parse_uint(&arg);
        else if (arg_match(&arg, &min_quantizer, argi))
            cfg.rc_min_quantizer = arg_parse_uint(&arg);
        else if (arg_match(&arg, &max_quantizer, argi))
            cfg.rc_max_quantizer = arg_parse_uint(&arg);
        else if (arg_match(&arg, &undershoot_pct, argi))
            cfg.rc_undershoot_pct = arg_parse_uint(&arg);
        else if (arg_match(&arg, &overshoot_pct, argi))
            cfg.rc_overshoot_pct = arg_parse_uint(&arg);
        else if (arg_match(&arg, &buf_sz, argi))
            cfg.rc_buf_sz = arg_parse_uint(&arg);
        else if (arg_match(&arg, &buf_initial_sz, argi))
            cfg.rc_buf_initial_sz = arg_parse_uint(&arg);
        else if (arg_match(&arg, &buf_optimal_sz, argi))
            cfg.rc_buf_optimal_sz = arg_parse_uint(&arg);
        else if (arg_match(&arg, &bias_pct, argi))
        {
            cfg.rc_2pass_vbr_bias_pct = arg_parse_uint(&arg);

            if (arg_passes < 2)
1223 1224 1225
                fprintf(stderr,
                        "Warning: option %s ignored in one-pass mode.\n",
                        arg.name);
John Koleszar's avatar
John Koleszar committed
1226 1227 1228 1229 1230 1231
        }
        else if (arg_match(&arg, &minsection_pct, argi))
        {
            cfg.rc_2pass_vbr_minsection_pct = arg_parse_uint(&arg);

            if (arg_passes < 2)
1232 1233 1234
                fprintf(stderr,
                        "Warning: option %s ignored in one-pass mode.\n",
                        arg.name);
John Koleszar's avatar
John Koleszar committed
1235 1236 1237 1238 1239 1240
        }
        else if (arg_match(&arg, &maxsection_pct, argi))
        {
            cfg.rc_2pass_vbr_maxsection_pct = arg_parse_uint(&arg);

            if (arg_passes < 2)
1241 1242 1243
                fprintf(stderr,
                        "Warning: option %s ignored in one-pass mode.\n",
                        arg.name);
John Koleszar's avatar
John Koleszar committed
1244 1245 1246 1247 1248
        }
        else if (arg_match(&arg, &kf_min_dist, argi))
            cfg.kf_min_dist = arg_parse_uint(&arg);
        else if (arg_match(&arg, &kf_max_dist, argi))
            cfg.kf_max_dist = arg_parse_uint(&arg);
1249 1250
        else if (arg_match(&arg, &kf_disabled, argi))
            cfg.kf_mode = VPX_KF_DISABLED;
John Koleszar's avatar
John Koleszar committed
1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292
        else
            argj++;
    }

    /* Handle codec specific options */
#if CONFIG_VP8_ENCODER

    if (codec->iface == &vpx_codec_vp8_cx_algo)
    {
        ctrl_args = vp8_args;
        ctrl_args_map = vp8_arg_ctrl_map;
    }

#endif

    for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
    {
        int match = 0;

        arg.argv_step = 1;

        for (i = 0; ctrl_args[i]; i++)
        {
            if (arg_match(&arg, ctrl_args[i], argi))
            {
                match = 1;

                if (arg_ctrl_cnt < ARG_CTRL_CNT_MAX)
                {
                    arg_ctrls[arg_ctrl_cnt][0] = ctrl_args_map[i];
                    arg_ctrls[arg_ctrl_cnt][1] = arg_parse_int(&arg);
                    arg_ctrl_cnt++;
                }
            }
        }

        if (!match)
            argj++;
    }

    /* Check for unrecognized options */
    for (argi = argv; *argi; argi++)
1293
        if (argi[0][0] == '-' && argi[0][1])
John Koleszar's avatar
John Koleszar committed
1294 1295 1296 1297 1298
            die("Error: Unrecognized option %s\n", *argi);

    /* Handle non-option arguments */
    in_fn = argv[0];

1299
    if (!in_fn)
John Koleszar's avatar
John Koleszar committed
1300 1301
        usage_exit();

1302 1303 1304
    if(!out_fn)
        die("Error: Output file is required (specify with -o)\n");

John Koleszar's avatar
John Koleszar committed
1305 1306 1307 1308 1309 1310
    memset(&stats, 0, sizeof(stats));

    for (pass = one_pass_only ? one_pass_only - 1 : 0; pass < arg_passes; pass++)
    {
        int frames_in = 0, frames_out = 0;
        unsigned long nbytes = 0;
1311
        struct detect_buffer detect;
John Koleszar's avatar
John Koleszar committed
1312

1313 1314
        /* Parse certain options from the input file, if possible */
        infile = strcmp(in_fn, "-") ? fopen(in_fn, "rb") : stdin;
John Koleszar's avatar
John Koleszar committed
1315 1316 1317

        if (!infile)
        {
1318
            fprintf(stderr, "Failed to open input file\n");
John Koleszar's avatar
John Koleszar committed
1319 1320 1321
            return EXIT_FAILURE;
        }

1322 1323 1324 1325 1326
        fread(detect.buf, 1, 4, infile);
        detect.valid = 0;

        if (file_is_y4m(infile, &y4m, detect.buf))
        {
1327 1328 1329 1330 1331
            if (y4m_input_open(&y4m, infile, detect.buf, 4) >= 0)
            {
                file_type = FILE_TYPE_Y4M;
                cfg.g_w = y4m.pic_w;
                cfg.g_h = y4m.pic_h;
1332

1333 1334 1335
                /* Use the frame rate from the file only if none was specified
                 * on the command-line.
                 */
1336
                if (!arg_have_framerate)
1337
                {
1338 1339
                    arg_framerate.num = y4m.fps_n;
                    arg_framerate.den = y4m.fps_d;
1340
                }
1341

1342 1343 1344
                arg_use_i420 = 0;
            }
            else
1345
            {
1346 1347
                fprintf(stderr, "Unsupported Y4M stream.\n");
                return EXIT_FAILURE;
1348 1349 1350
            }
        }
        else if (file_is_ivf(infile, &fourcc, &cfg.g_w, &cfg.g_h, detect.buf))
1351
        {
1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364
            file_type = FILE_TYPE_IVF;
            switch (fourcc)
            {
            case 0x32315659:
                arg_use_i420 = 0;
                break;
            case 0x30323449:
                arg_use_i420 = 1;
                break;
            default:
                fprintf(stderr, "Unsupported fourcc (%08x) in IVF\n", fourcc);
                return EXIT_FAILURE;
            }
1365
        }
1366 1367 1368 1369 1370 1371 1372 1373
        else
        {
            file_type = FILE_TYPE_RAW;
            detect.valid = 1;
        }
#define SHOW(field) fprintf(stderr, "    %-28s = %d\n", #field, cfg.field)

        if (verbose && pass == 0)
1374
        {
1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411
            fprintf(stderr, "Codec: %s\n", vpx_codec_iface_name(codec->iface));
            fprintf(stderr, "Source file: %s Format: %s\n", in_fn,
                    arg_use_i420 ? "I420" : "YV12");
            fprintf(stderr, "Destination file: %s\n", out_fn);
            fprintf(stderr, "Encoder parameters:\n");

            SHOW(g_usage);
            SHOW(g_threads);
            SHOW(g_profile);
            SHOW(g_w);
            SHOW(g_h);
            SHOW(g_timebase.num);
            SHOW(g_timebase.den);
            SHOW(g_error_resilient);
            SHOW(g_pass);
            SHOW(g_lag_in_frames);
            SHOW(rc_dropframe_thresh);
            SHOW(rc_resize_allowed);
            SHOW(rc_resize_up_thresh);
            SHOW(rc_resize_down_thresh);
            SHOW(rc_end_usage);
            SHOW(rc_target_bitrate);
            SHOW(rc_min_quantizer);
            SHOW(rc_max_quantizer);
            SHOW(rc_undershoot_pct);
            SHOW(rc_overshoot_pct);
            SHOW(rc_buf_sz);
            SHOW(rc_buf_initial_sz);
            SHOW(rc_buf_optimal_sz);
            SHOW(rc_2pass_vbr_bias_pct);
            SHOW(rc_2pass_vbr_minsection_pct);
            SHOW(rc_2pass_vbr_maxsection_pct);
            SHOW(kf_mode);
            SHOW(kf_min_dist);
            SHOW(kf_max_dist);
        }

1412
        if(pass == (one_pass_only ? one_pass_only - 1 : 0)) {
1413 1414 1415 1416 1417 1418 1419 1420
            if (file_type == FILE_TYPE_Y4M)
                /*The Y4M reader does its own allocation.
                  Just initialize this here to avoid problems if we never read any
                   frames.*/
                memset(&raw, 0, sizeof(raw));
            else
                vpx_img_alloc(&raw, arg_use_i420 ? VPX_IMG_FMT_I420 : VPX_IMG_FMT_YV12,
                              cfg.g_w, cfg.g_h, 1);
1421 1422
        }

1423
        outfile = strcmp(out_fn, "-") ? fopen(out_fn, "wb") : stdout;
John Koleszar's avatar
John Koleszar committed
1424 1425 1426

        if (!outfile)
        {
1427
            fprintf(stderr, "Failed to open output file\n");
John Koleszar's avatar
John Koleszar committed
1428 1429 1430
            return EXIT_FAILURE;
        }

1431 1432 1433 1434 1435 1436
        if(write_webm && fseek(outfile, 0, SEEK_CUR))
        {
            fprintf(stderr, "WebM output to pipes not supported.\n");
            return EXIT_FAILURE;
        }

John Koleszar's avatar
John Koleszar committed
1437 1438 1439 1440
        if (stats_fn)
        {
            if (!stats_open_file(&stats, stats_fn, pass))
            {
1441
                fprintf(stderr, "Failed to open statistics store\n");
John Koleszar's avatar
John Koleszar committed
1442 1443 1444 1445 1446 1447 1448
                return EXIT_FAILURE;
            }
        }
        else
        {
            if (!stats_open_mem(&stats, pass))
            {
1449
                fprintf(stderr, "Failed to open statistics store\n");
John Koleszar's avatar
John Koleszar committed
1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465
                return EXIT_FAILURE;
            }
        }

        cfg.g_pass = arg_passes == 2
                     ? pass ? VPX_RC_LAST_PASS : VPX_RC_FIRST_PASS
                 : VPX_RC_ONE_PASS;
#if VPX_ENCODER_ABI_VERSION > (1 + VPX_CODEC_ABI_VERSION)

        if (pass)
        {
            cfg.rc_twopass_stats_in = stats_get(&stats);
        }

#endif

John Koleszar's avatar
John Koleszar committed
1466 1467 1468 1469 1470 1471 1472
        if(write_webm)
        {
            ebml.stream = outfile;
            write_webm_file_header(&ebml, &cfg, &arg_framerate);
        }
        else
            write_ivf_file_header(outfile, &cfg, codec->fourcc, 0);
John Koleszar's avatar
John Koleszar committed
1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486


        /* Construct Encoder Context */
        vpx_codec_enc_init(&encoder, codec->iface, &cfg,
                           show_psnr ? VPX_CODEC_USE_PSNR : 0);
        ctx_exit_on_error(&encoder, "Failed to initialize encoder");

        /* Note that we bypass the vpx_codec_control wrapper macro because
         * we're being clever to store the control IDs in an array. Real
         * applications will want to make use of the enumerations directly
         */
        for (i = 0; i < arg_ctrl_cnt; i++)
        {
            if (vpx_codec_control_(&encoder, arg_ctrls[i][0], arg_ctrls[i][1]))
1487 1488
                fprintf(stderr, "Error: Tried to set control %d = %d\n",
                        arg_ctrls[i][0], arg_ctrls[i][1]);
John Koleszar's avatar
John Koleszar committed
1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500

            ctx_exit_on_error(&encoder, "Failed to control codec");
        }

        frame_avail = 1;
        got_data = 0;

        while (frame_avail || got_data)
        {
            vpx_codec_iter_t iter = NULL;
            const vpx_codec_cx_pkt_t *pkt;
            struct vpx_usec_timer timer;
1501
            int64_t frame_start;
John Koleszar's avatar
John Koleszar committed
1502 1503 1504

            if (!arg_limit || frames_in < arg_limit)
            {
1505 1506
                frame_avail = read_frame(infile, &raw, file_type, &y4m,
                                         &detect);
John Koleszar's avatar
John Koleszar committed
1507 1508 1509 1510

                if (frame_avail)
                    frames_in++;

1511 1512 1513
                fprintf(stderr,
                        "\rPass %d/%d frame %4d/%-4d %7ldB \033[K", pass + 1,
                        arg_passes, frames_in, frames_out, nbytes);
John Koleszar's avatar
John Koleszar committed
1514 1515 1516 1517 1518 1519
            }
            else
                frame_avail = 0;

            vpx_usec_timer_start(&timer);

1520 1521 1522 1523 1524 1525
            frame_start = (cfg.g_timebase.den * (int64_t)(frames_in - 1)
                          * arg_framerate.den) / cfg.g_timebase.num / arg_framerate.num;
            vpx_codec_encode(&encoder, frame_avail ? &raw : NULL, frame_start,
                             cfg.g_timebase.den * arg_framerate.den
                             / cfg.g_timebase.num / arg_framerate.num,
                             0, arg_deadline);
John Koleszar's avatar
John Koleszar committed
1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538
            vpx_usec_timer_mark(&timer);
            cx_time += vpx_usec_timer_elapsed(&timer);
            ctx_exit_on_error(&encoder, "Failed to encode frame");
            got_data = 0