Initial WebM release

1 files changed, 1059 insertions, 0 deletions

diff --git a/ivfenc.c b/ivfenc.c
new file mode 100644
index 000000000..bef3d589b
--- /dev/null
+++ b/ivfenc.c
@@ -0,0 +1,1059 @@
+/*
+ *  Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license and patent
+ *  grant that can be found in the LICENSE file in the root of the source
+ *  tree. All contributing project authors may be found in the AUTHORS
+ *  file in the root of the source tree.
+ */
+
+
+/* This is a simple program that encodes YV12 files and generates ivf
+ * files using the new interface.
+ */
+#define USE_POSIX_MMAP HAVE_SYS_MMAN_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include "vpx_encoder.h"
+#if USE_POSIX_MMAP
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+#include <unistd.h>
+#endif
+#if CONFIG_VP8_ENCODER
+#include "vp8cx.h"
+#endif
+#include "vpx_ports/mem_ops.h"
+#include "vpx_ports/vpx_timer.h"
+
+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);
+    vprintf(fmt, ap);
+    printf("\n");
+    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);
+
+        printf("%s: %s\n", s, vpx_codec_error(ctx));
+
+        if (detail)
+            printf("    %s\n", detail);
+
+        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;
+}
+
+#define IVF_FRAME_HDR_SZ (4+8) /* 4 byte size + 8 byte timestamp */
+static int read_frame(FILE *f, vpx_image_t *img, unsigned int is_ivf)
+{
+    int plane = 0;
+
+    if (is_ivf)
+    {
+        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);
+    }
+
+    for (plane = 0; plane < 3; plane++)
+    {
+        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==IMG_FMT_YV12? PLANE_V : PLANE_U];
+            break;
+        case 2:
+            ptr = img->planes[img->fmt==IMG_FMT_YV12?PLANE_U : PLANE_V];
+            break;
+        default:
+            ptr = img->planes[plane];
+        }
+
+        for (r = 0; r < h; r++)
+        {
+            fread(ptr, 1, w, f);
+            ptr += img->stride[plane];
+        }
+    }
+
+    return !feof(f);
+}
+
+
+#define IVF_FILE_HDR_SZ (32)
+unsigned int file_is_ivf(FILE *infile,
+                         unsigned int *fourcc,
+                         unsigned int *width,
+                         unsigned int *height)
+{
+    char raw_hdr[IVF_FILE_HDR_SZ];
+    int is_ivf = 0;
+
+    /* See write_ivf_file_header() for more documentation on the file header
+     * layout.
+     */
+    if (fread(raw_hdr, 1, IVF_FILE_HDR_SZ, infile) == IVF_FILE_HDR_SZ)
+    {
+        if (raw_hdr[0] == 'D' && raw_hdr[1] == 'K'
+            && raw_hdr[2] == 'I' && raw_hdr[3] == 'F')
+        {
+            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);
+    }
+    else
+        rewind(infile);
+
+    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);
+}
+
+#include "args.h"
+
+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");
+static const arg_def_t *main_args[] =
+{
+    &codecarg, &passes, &pass_arg, &fpf_name, &limit, &deadline, &best_dl, &good_dl, &rt_dl,
+    &verbosearg, &psnrarg,
+    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,
+    &width, &height, &timebase, &error_resilient,
+    &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)");
+static const arg_def_t *kf_args[] =
+{
+    &kf_min_dist, &kf_max_dist, NULL
+};
+
+
+#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;
+
+    printf("Usage: %s <options> src_filename dst_filename\n", exec_name);
+
+    printf("\n_options:\n");
+    arg_show_usage(stdout, main_args);
+    printf("\n_encoder Global Options:\n");
+    arg_show_usage(stdout, global_args);
+    printf("\n_rate Control Options:\n");
+    arg_show_usage(stdout, rc_args);
+    printf("\n_twopass Rate Control Options:\n");
+    arg_show_usage(stdout, rc_twopass_args);
+    printf("\n_keyframe Placement Options:\n");
+    arg_show_usage(stdout, kf_args);
+#if CONFIG_VP8_ENCODER
+    printf("\n_vp8 Specific Options:\n");
+    arg_show_usage(stdout, vp8_args);
+#endif
+    printf("\n"
+           "Included encoders:\n"
+           "\n");
+
+    for (i = 0; i < sizeof(codecs) / sizeof(codecs[0]); i++)
+        printf("    %-6s - %s\n",
+               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;
+    unsigned int             is_ivf, fourcc;
+
+    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;
+        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)
+        {
+            printf("Warning: Assuming --pass=%d implies --passes=%d\n",
+                   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)
+    {
+        printf("Failed to get config: %s\n", vpx_codec_err_to_string(res));
+        return EXIT_FAILURE;
+    }
+
+    /* 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)
+                printf("Warning: option %s ignored in one-pass mode.\n",
+                       arg.name);
+        }
+        else if (arg_match(&arg, &minsection_pct, argi))
+        {
+            cfg.rc_2pass_vbr_minsection_pct = arg_parse_uint(&arg);
+
+            if (arg_passes < 2)
+                printf("Warning: option %s ignored in one-pass mode.\n",
+                       arg.name);
+        }
+        else if (arg_match(&arg, &maxsection_pct, argi))
+        {
+            cfg.rc_2pass_vbr_maxsection_pct = arg_parse_uint(&arg);
+
+            if (arg_passes < 2)
+                printf("Warning: option %s ignored in one-pass mode.\n",
+                       arg.name);
+        }
+        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);
+        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++)
+        if (argi[0][0] == '-')
+            die("Error: Unrecognized option %s\n", *argi);
+
+    /* Handle non-option arguments */
+    in_fn = argv[0];
+    out_fn = argv[1];
+
+    if (!in_fn || !out_fn)
+        usage_exit();
+
+    /* Parse certain options from the input file, if possible */
+    infile = fopen(in_fn, "rb");
+
+    if (!infile)
+    {
+        printf("Failed to open input file");
+        return EXIT_FAILURE;
+    }
+
+    is_ivf = file_is_ivf(infile, &fourcc, &cfg.g_w, &cfg.g_h);
+
+    if (is_ivf)
+    {
+        switch (fourcc)
+        {
+        case 0x32315659:
+            arg_use_i420 = 0;
+            break;
+        case 0x30323449:
+            arg_use_i420 = 1;
+            break;
+        default:
+            printf("Unsupported fourcc (%08x) in IVF\n", fourcc);
+            return EXIT_FAILURE;
+        }
+    }
+
+    fclose(infile);
+
+
+#define SHOW(field) printf("    %-28s = %d\n", #field, cfg.field)
+
+    if (verbose)
+    {
+        printf("Codec: %s\n", vpx_codec_iface_name(codec->iface));
+        printf("Source file: %s Format: %s\n", in_fn, arg_use_i420 ? "I420" : "YV12");
+        printf("Destination file: %s\n", out_fn);
+        printf("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);
+    }
+
+    vpx_img_alloc(&raw, arg_use_i420 ? IMG_FMT_I420 : IMG_FMT_YV12,
+                  cfg.g_w, cfg.g_h, 1);
+
+    // This was added so that ivfenc will create monotically increasing
+    // timestamps.  Since we create new timestamps for alt-reference frames
+    // we need to make room in the series of timestamps.  Since there can
+    // only be 1 alt-ref frame ( current bitstream) multiplying by 2
+    // gives us enough room.
+    cfg.g_timebase.den *= 2;
+
+    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;
+
+        infile = fopen(in_fn, "rb");
+
+        if (!infile)
+        {
+            printf("Failed to open input file");
+            return EXIT_FAILURE;
+        }
+
+        outfile = fopen(out_fn, "wb");
+
+        if (!outfile)
+        {
+            printf("Failed to open output file");
+            return EXIT_FAILURE;
+        }
+
+        if (stats_fn)
+        {
+            if (!stats_open_file(&stats, stats_fn, pass))
+            {
+                printf("Failed to open statistics store\n");
+                return EXIT_FAILURE;
+            }
+        }
+        else
+        {
+            if (!stats_open_mem(&stats, pass))
+            {
+                printf("Failed to open statistics store\n");
+                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
+
+        write_ivf_file_header(outfile, &cfg, codec->fourcc, 0);
+
+
+        /* Construct Encoder Context */
+        if (cfg.kf_min_dist == cfg.kf_max_dist)
+            cfg.kf_mode = VPX_KF_FIXED;
+
+        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]))
+                printf("Error: Tried to set control %d = %d\n",
+                       arg_ctrls[i][0], arg_ctrls[i][1]);
+
+            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;
+
+            if (!arg_limit || frames_in < arg_limit)
+            {
+                frame_avail = read_frame(infile, &raw, is_ivf);
+
+                if (frame_avail)
+                    frames_in++;
+
+                printf("\rPass %d/%d frame %4d/%-4d %7ldB \033[K", pass + 1,
+                       arg_passes, frames_in, frames_out, nbytes);
+            }
+            else
+                frame_avail = 0;
+
+            vpx_usec_timer_start(&timer);
+
+            // since we halved our timebase we need to double the timestamps
+            // and duration we pass in.
+            vpx_codec_encode(&encoder, frame_avail ? &raw : NULL, (frames_in - 1) * 2,
+                             2, 0, arg_deadline);
+            vpx_usec_timer_mark(&timer);
+            cx_time += vpx_usec_timer_elapsed(&timer);
+            ctx_exit_on_error(&encoder, "Failed to encode frame");
+            got_data = 0;
+
+            while ((pkt = vpx_codec_get_cx_data(&encoder, &iter)))
+            {
+                got_data = 1;
+                nbytes += pkt->data.raw.sz;
+
+                switch (pkt->kind)
+                {
+                case VPX_CODEC_CX_FRAME_PKT:
+                    frames_out++;
+                    printf(" %6luF",
+                           (unsigned long)pkt->data.frame.sz);
+                    write_ivf_frame_header(outfile, pkt);
+                    fwrite(pkt->data.frame.buf, 1, pkt->data.frame.sz, outfile);
+                    break;
+                case VPX_CODEC_STATS_PKT:
+                    frames_out++;
+                    printf(" %6luS",
+                           (unsigned long)pkt->data.twopass_stats.sz);
+                    stats_write(&stats,
+                                pkt->data.twopass_stats.buf,
+                                pkt->data.twopass_stats.sz);
+                    break;
+                case VPX_CODEC_PSNR_PKT:
+
+                    if (show_psnr)
+                    {
+                        int i;
+
+                        for (i = 0; i < 4; i++)
+                            printf("%.3lf ", pkt->data.psnr.psnr[i]);
+                    }
+
+                    break;
+                default:
+                    break;
+                }
+            }
+
+            fflush(stdout);
+        }
+
+        /* this bitrate calc is simplified and relies on the fact that this
+         * application uses 1/timebase for framerate.
+         */
+        printf("\rPass %d/%d frame %4d/%-4d %7ldB %7ldb/f %7"PRId64"b/s"
+               " %7lu %s (%.2f fps)\033[K", pass + 1,
+               arg_passes, frames_in, frames_out, nbytes, nbytes * 8 / frames_in,
+               nbytes * 8 *(int64_t)cfg.g_timebase.den / cfg.g_timebase.num / frames_in,
+               cx_time > 9999999 ? cx_time / 1000 : cx_time,
+               cx_time > 9999999 ? "ms" : "us",
+               (float)frames_in * 1000000.0 / (float)cx_time);
+
+        vpx_codec_destroy(&encoder);
+
+        fclose(infile);
+
+        if (!fseek(outfile, 0, SEEK_SET))
+            write_ivf_file_header(outfile, &cfg, codec->fourcc, frames_out);
+
+        fclose(outfile);
+        stats_close(&stats);
+        printf("\n");
+
+        if (one_pass_only)
+            break;
+    }
+
+    vpx_img_free(&raw);
+    free(argv);
+    return EXIT_SUCCESS;
+}