ref: 9fdfb8e92823abadc54d825d0603a7e9fd344520
dir: /ivfenc.c/
/* * Copyright (c) 2010 The VP8 project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. 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. */ #if defined(_WIN32) #define USE_POSIX_MMAP 0 #else #define USE_POSIX_MMAP 1 #endif #include <stdio.h> #include <stdlib.h> #include <stdarg.h> #include <string.h> #include "vpx/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 #include "vpx/vp8cx.h" #include "vpx_ports/mem_ops.h" #include "vpx_ports/vpx_timer.h" #include "y4minput.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); vfprintf(stderr, fmt, ap); fprintf(stderr, "\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); fprintf(stderr, "%s: %s\n", s, vpx_codec_error(ctx)); if (detail) fprintf(stderr, " %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; } enum video_file_type { FILE_TYPE_RAW, FILE_TYPE_IVF, FILE_TYPE_Y4M }; struct detect_buffer { char buf[4]; int valid; }; #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 file_type, y4m_input *y4m, struct detect_buffer *detect) { int plane = 0; if (file_type == FILE_TYPE_Y4M) { if (y4m_input_fetch_frame(y4m, f, img) < 0) return 0; } else { if (file_type == FILE_TYPE_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==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++) { if (detect->valid) { memcpy(ptr, detect->buf, 4); fread(ptr+4, 1, w-4, f); detect->valid = 0; } else fread(ptr, 1, w, f); ptr += img->stride[plane]; } } } return !feof(f); } unsigned int file_is_y4m(FILE *infile, y4m_input *y4m, char detect[4]) { if(memcmp(detect, "YUV4", 4) == 0 && y4m_input_open(y4m, infile, detect, 4) >= 0) { return 1; } return 0; } #define IVF_FILE_HDR_SZ (32) unsigned int file_is_ivf(FILE *infile, unsigned int *fourcc, unsigned int *width, unsigned int *height, char detect[4]) { char raw_hdr[IVF_FILE_HDR_SZ]; int is_ivf = 0; if(memcmp(detect, "DKIF", 4) != 0) return 0; /* See write_ivf_file_header() for more documentation on the file header * layout. */ if (fread(raw_hdr + 4, 1, IVF_FILE_HDR_SZ - 4, infile) == IVF_FILE_HDR_SZ - 4) { { 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); } #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; fprintf(stderr, "Usage: %s <options> src_filename dst_filename\n", exec_name); fprintf(stderr, "\n_options:\n"); arg_show_usage(stdout, main_args); fprintf(stderr, "\n_encoder Global Options:\n"); arg_show_usage(stdout, global_args); fprintf(stderr, "\n_rate Control Options:\n"); arg_show_usage(stdout, rc_args); fprintf(stderr, "\n_twopass Rate Control Options:\n"); arg_show_usage(stdout, rc_twopass_args); fprintf(stderr, "\n_keyframe Placement Options:\n"); arg_show_usage(stdout, kf_args); #if CONFIG_VP8_ENCODER fprintf(stderr, "\n_vp8 Specific Options:\n"); arg_show_usage(stdout, vp8_args); #endif fprintf(stderr, "\n" "Included encoders:\n" "\n"); for (i = 0; i < sizeof(codecs) / sizeof(codecs[0]); i++) fprintf(stderr, " %-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; int arg_have_timebase = 0; unsigned long cx_time = 0; unsigned int file_type, fourcc; y4m_input y4m; 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) { fprintf(stderr, "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) { fprintf(stderr, "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); arg_have_timebase = 1; } 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) fprintf(stderr, "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) fprintf(stderr, "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) fprintf(stderr, "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] == '-' && argi[0][1]) 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(); 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; struct detect_buffer detect; /* Parse certain options from the input file, if possible */ infile = strcmp(in_fn, "-") ? fopen(in_fn, "rb") : stdin; if (!infile) { fprintf(stderr, "Failed to open input file\n"); return EXIT_FAILURE; } fread(detect.buf, 1, 4, infile); detect.valid = 0; if (file_is_y4m(infile, &y4m, detect.buf)) { file_type = FILE_TYPE_Y4M; cfg.g_w = y4m.pic_w; cfg.g_h = y4m.pic_h; /* Use the frame rate from the file only if none was specified on the * command-line. */ if (!arg_have_timebase) { cfg.g_timebase.num = y4m.fps_d; cfg.g_timebase.den = y4m.fps_n; } arg_use_i420 = 0; } else if (file_is_ivf(infile, &fourcc, &cfg.g_w, &cfg.g_h, detect.buf)) { 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; } } else { file_type = FILE_TYPE_RAW; detect.valid = 1; } #define SHOW(field) fprintf(stderr, " %-28s = %d\n", #field, cfg.field) if (verbose && pass == 0) { 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); } if(pass == (one_pass_only ? one_pass_only - 1 : 0)) { 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); // 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; } outfile = strcmp(out_fn, "-") ? fopen(out_fn, "wb") : stdout; if (!outfile) { fprintf(stderr, "Failed to open output file\n"); return EXIT_FAILURE; } if (stats_fn) { if (!stats_open_file(&stats, stats_fn, pass)) { fprintf(stderr, "Failed to open statistics store\n"); return EXIT_FAILURE; } } else { if (!stats_open_mem(&stats, pass)) { fprintf(stderr, "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])) fprintf(stderr, "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, file_type, &y4m, &detect); if (frame_avail) frames_in++; fprintf(stderr, "\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; switch (pkt->kind) { case VPX_CODEC_CX_FRAME_PKT: frames_out++; fprintf(stderr, " %6luF", (unsigned long)pkt->data.frame.sz); write_ivf_frame_header(outfile, pkt); fwrite(pkt->data.frame.buf, 1, pkt->data.frame.sz, outfile); nbytes += pkt->data.raw.sz; break; case VPX_CODEC_STATS_PKT: frames_out++; fprintf(stderr, " %6luS", (unsigned long)pkt->data.twopass_stats.sz); stats_write(&stats, pkt->data.twopass_stats.buf, pkt->data.twopass_stats.sz); nbytes += pkt->data.raw.sz; break; case VPX_CODEC_PSNR_PKT: if (show_psnr) { int i; for (i = 0; i < 4; i++) fprintf(stderr, "%.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. */ fprintf(stderr, "\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/2/ 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); fprintf(stderr, "\n"); if (one_pass_only) break; } vpx_img_free(&raw); free(argv); return EXIT_SUCCESS; }