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vpxenc.c
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vpxenc.c
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/*
* Copyright (c) 2010 The WebM 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.
*/
#include "./vpxenc.h"
#include "./vpx_config.h"
#include <assert.h>
#include <limits.h>
#include <math.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "vpx/vpx_encoder.h"
#if CONFIG_DECODERS
#include "vpx/vpx_decoder.h"
#endif
#include "third_party/libyuv/include/libyuv/scale.h"
#include "./args.h"
#include "./ivfdec.h"
#include "./ivfenc.h"
#if CONFIG_VP8_ENCODER || CONFIG_VP9_ENCODER
#include "vpx/vp8cx.h"
#endif
#if CONFIG_VP8_DECODER || CONFIG_VP9_DECODER
#include "vpx/vp8dx.h"
#endif
#include "./tools_common.h"
#include "vpx_ports/mem_ops.h"
#include "vpx_ports/vpx_timer.h"
#include "./vpxstats.h"
#include "./warnings.h"
#include "./webmenc.h"
#include "./y4minput.h"
/* Swallow warnings about unused results of fread/fwrite */
static size_t wrap_fread(void *ptr, size_t size, size_t nmemb,
FILE *stream) {
return fread(ptr, size, nmemb, stream);
}
#define fread wrap_fread
static size_t wrap_fwrite(const void *ptr, size_t size, size_t nmemb,
FILE *stream) {
return fwrite(ptr, size, nmemb, stream);
}
#define fwrite wrap_fwrite
static const char *exec_name;
static const struct codec_item {
char const *name;
const vpx_codec_iface_t *(*iface)(void);
const vpx_codec_iface_t *(*dx_iface)(void);
unsigned int fourcc;
} codecs[] = {
#if CONFIG_VP8_ENCODER && CONFIG_VP8_DECODER
{"vp8", &vpx_codec_vp8_cx, &vpx_codec_vp8_dx, VP8_FOURCC},
#elif CONFIG_VP8_ENCODER && !CONFIG_VP8_DECODER
{"vp8", &vpx_codec_vp8_cx, NULL, VP8_FOURCC},
#endif
#if CONFIG_VP9_ENCODER && CONFIG_VP9_DECODER
{"vp9", &vpx_codec_vp9_cx, &vpx_codec_vp9_dx, VP9_FOURCC},
#elif CONFIG_VP9_ENCODER && !CONFIG_VP9_DECODER
{"vp9", &vpx_codec_vp9_cx, NULL, VP9_FOURCC},
#endif
};
static void warn_or_exit_on_errorv(vpx_codec_ctx_t *ctx, int fatal,
const char *s, va_list ap) {
if (ctx->err) {
const char *detail = vpx_codec_error_detail(ctx);
vfprintf(stderr, s, ap);
fprintf(stderr, ": %s\n", vpx_codec_error(ctx));
if (detail)
fprintf(stderr, " %s\n", detail);
if (fatal)
exit(EXIT_FAILURE);
}
}
static void ctx_exit_on_error(vpx_codec_ctx_t *ctx, const char *s, ...) {
va_list ap;
va_start(ap, s);
warn_or_exit_on_errorv(ctx, 1, s, ap);
va_end(ap);
}
static void warn_or_exit_on_error(vpx_codec_ctx_t *ctx, int fatal,
const char *s, ...) {
va_list ap;
va_start(ap, s);
warn_or_exit_on_errorv(ctx, fatal, s, ap);
va_end(ap);
}
int read_frame(struct VpxInputContext *input_ctx, vpx_image_t *img) {
FILE *f = input_ctx->file;
y4m_input *y4m = &input_ctx->y4m;
int shortread = 0;
if (input_ctx->file_type == FILE_TYPE_Y4M) {
if (y4m_input_fetch_frame(y4m, f, img) < 1)
return 0;
} else {
shortread = read_yuv_frame(input_ctx, img);
}
return !shortread;
}
int file_is_y4m(FILE *infile, y4m_input *y4m, const char detect[4]) {
if (memcmp(detect, "YUV4", 4) == 0) {
return 1;
}
return 0;
}
/* Murmur hash derived from public domain reference implementation at
* http:// sites.google.com/site/murmurhash/
*/
static unsigned int murmur(const void *key, int len, unsigned int seed) {
const unsigned int m = 0x5bd1e995;
const int r = 24;
unsigned int h = seed ^ len;
const unsigned char *data = (const unsigned char *)key;
while (len >= 4) {
unsigned int k;
k = (unsigned int)data[0];
k |= (unsigned int)data[1] << 8;
k |= (unsigned int)data[2] << 16;
k |= (unsigned int)data[3] << 24;
k *= m;
k ^= k >> r;
k *= m;
h *= m;
h ^= k;
data += 4;
len -= 4;
}
switch (len) {
case 3:
h ^= data[2] << 16;
case 2:
h ^= data[1] << 8;
case 1:
h ^= data[0];
h *= m;
};
h ^= h >> 13;
h *= m;
h ^= h >> 15;
return h;
}
static const arg_def_t debugmode = ARG_DEF("D", "debug", 0,
"Debug mode (makes output deterministic)");
static const arg_def_t outputfile = ARG_DEF("o", "output", 1,
"Output filename");
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 skip = ARG_DEF(NULL, "skip", 1,
"Skip the first 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 quietarg = ARG_DEF("q", "quiet", 0,
"Do not print encode progress");
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 struct arg_enum_list test_decode_enum[] = {
{"off", TEST_DECODE_OFF},
{"fatal", TEST_DECODE_FATAL},
{"warn", TEST_DECODE_WARN},
{NULL, 0}
};
static const arg_def_t recontest = ARG_DEF_ENUM(NULL, "test-decode", 1,
"Test encode/decode mismatch",
test_decode_enum);
static const arg_def_t framerate = ARG_DEF(NULL, "fps", 1,
"Stream frame rate (rate/scale)");
static const arg_def_t use_ivf = ARG_DEF(NULL, "ivf", 0,
"Output IVF (default is WebM)");
static const arg_def_t out_part = ARG_DEF("P", "output-partitions", 0,
"Makes encoder output partitions. Requires IVF output!");
static const arg_def_t q_hist_n = ARG_DEF(NULL, "q-hist", 1,
"Show quantizer histogram (n-buckets)");
static const arg_def_t rate_hist_n = ARG_DEF(NULL, "rate-hist", 1,
"Show rate histogram (n-buckets)");
static const arg_def_t disable_warnings =
ARG_DEF(NULL, "disable-warnings", 0,
"Disable warnings about potentially incorrect encode settings.");
static const arg_def_t disable_warning_prompt =
ARG_DEF("y", "disable-warning-prompt", 0,
"Display warnings, but do not prompt user to continue.");
static const arg_def_t *main_args[] = {
&debugmode,
&outputfile, &codecarg, &passes, &pass_arg, &fpf_name, &limit, &skip,
&deadline, &best_dl, &good_dl, &rt_dl,
&quietarg, &verbosearg, &psnrarg, &use_ivf, &out_part, &q_hist_n,
&rate_hist_n, &disable_warnings, &disable_warning_prompt,
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 struct arg_enum_list stereo_mode_enum[] = {
{"mono", STEREO_FORMAT_MONO},
{"left-right", STEREO_FORMAT_LEFT_RIGHT},
{"bottom-top", STEREO_FORMAT_BOTTOM_TOP},
{"top-bottom", STEREO_FORMAT_TOP_BOTTOM},
{"right-left", STEREO_FORMAT_RIGHT_LEFT},
{NULL, 0}
};
static const arg_def_t stereo_mode = ARG_DEF_ENUM(NULL, "stereo-mode", 1,
"Stereo 3D video format", stereo_mode_enum);
static const arg_def_t timebase = ARG_DEF(NULL, "timebase", 1,
"Output timestamp precision (fractional seconds)");
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, &stereo_mode, &timebase, &framerate,
&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 struct arg_enum_list end_usage_enum[] = {
{"vbr", VPX_VBR},
{"cbr", VPX_CBR},
{"cq", VPX_CQ},
{"q", VPX_Q},
{NULL, 0}
};
static const arg_def_t end_usage = ARG_DEF_ENUM(NULL, "end-usage", 1,
"Rate control mode", end_usage_enum);
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_disabled = ARG_DEF(NULL, "disable-kf", 0,
"Disable keyframe placement");
static const arg_def_t *kf_args[] = {
&kf_min_dist, &kf_max_dist, &kf_disabled, NULL
};
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");
static const arg_def_t cpu_used = ARG_DEF(NULL, "cpu-used", 1,
"CPU Used (-16..16)");
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 tile_cols = ARG_DEF(NULL, "tile-columns", 1,
"Number of tile columns to use, log2");
static const arg_def_t tile_rows = ARG_DEF(NULL, "tile-rows", 1,
"Number of tile rows to use, log2");
static const arg_def_t 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,
"AltRef Max Frames");
static const arg_def_t arnr_strength = ARG_DEF(NULL, "arnr-strength", 1,
"AltRef Strength");
static const arg_def_t arnr_type = ARG_DEF(NULL, "arnr-type", 1,
"AltRef Type");
static const struct arg_enum_list tuning_enum[] = {
{"psnr", VP8_TUNE_PSNR},
{"ssim", VP8_TUNE_SSIM},
{NULL, 0}
};
static const arg_def_t tune_ssim = ARG_DEF_ENUM(NULL, "tune", 1,
"Material to favor", tuning_enum);
static const arg_def_t cq_level = ARG_DEF(NULL, "cq-level", 1,
"Constant/Constrained Quality level");
static const arg_def_t max_intra_rate_pct = ARG_DEF(NULL, "max-intra-rate", 1,
"Max I-frame bitrate (pct)");
static const arg_def_t lossless = ARG_DEF(NULL, "lossless", 1, "Lossless mode");
#if CONFIG_VP9_ENCODER
static const arg_def_t frame_parallel_decoding = ARG_DEF(
NULL, "frame-parallel", 1, "Enable frame parallel decodability features");
static const arg_def_t aq_mode = ARG_DEF(
NULL, "aq-mode", 1,
"Adaptive q mode (0: off (by default), 1: variance 2: complexity)");
#endif
#if CONFIG_VP8_ENCODER
static const arg_def_t *vp8_args[] = {
&cpu_used, &auto_altref, &noise_sens, &sharpness, &static_thresh,
&token_parts, &arnr_maxframes, &arnr_strength, &arnr_type,
&tune_ssim, &cq_level, &max_intra_rate_pct,
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,
VP8E_SET_TUNING, VP8E_SET_CQ_LEVEL, VP8E_SET_MAX_INTRA_BITRATE_PCT,
0
};
#endif
#if CONFIG_VP9_ENCODER
static const arg_def_t *vp9_args[] = {
&cpu_used, &auto_altref, &noise_sens, &sharpness, &static_thresh,
&tile_cols, &tile_rows, &arnr_maxframes, &arnr_strength, &arnr_type,
&tune_ssim, &cq_level, &max_intra_rate_pct, &lossless,
&frame_parallel_decoding, &aq_mode,
NULL
};
static const int vp9_arg_ctrl_map[] = {
VP8E_SET_CPUUSED, VP8E_SET_ENABLEAUTOALTREF,
VP8E_SET_NOISE_SENSITIVITY, VP8E_SET_SHARPNESS, VP8E_SET_STATIC_THRESHOLD,
VP9E_SET_TILE_COLUMNS, VP9E_SET_TILE_ROWS,
VP8E_SET_ARNR_MAXFRAMES, VP8E_SET_ARNR_STRENGTH, VP8E_SET_ARNR_TYPE,
VP8E_SET_TUNING, VP8E_SET_CQ_LEVEL, VP8E_SET_MAX_INTRA_BITRATE_PCT,
VP9E_SET_LOSSLESS, VP9E_SET_FRAME_PARALLEL_DECODING, VP9E_SET_AQ_MODE,
0
};
#endif
static const arg_def_t *no_args[] = { NULL };
void usage_exit() {
int i;
fprintf(stderr, "Usage: %s <options> -o dst_filename src_filename \n",
exec_name);
fprintf(stderr, "\nOptions:\n");
arg_show_usage(stderr, main_args);
fprintf(stderr, "\nEncoder Global Options:\n");
arg_show_usage(stderr, global_args);
fprintf(stderr, "\nRate Control Options:\n");
arg_show_usage(stderr, rc_args);
fprintf(stderr, "\nTwopass Rate Control Options:\n");
arg_show_usage(stderr, rc_twopass_args);
fprintf(stderr, "\nKeyframe Placement Options:\n");
arg_show_usage(stderr, kf_args);
#if CONFIG_VP8_ENCODER
fprintf(stderr, "\nVP8 Specific Options:\n");
arg_show_usage(stderr, vp8_args);
#endif
#if CONFIG_VP9_ENCODER
fprintf(stderr, "\nVP9 Specific Options:\n");
arg_show_usage(stderr, vp9_args);
#endif
fprintf(stderr, "\nStream timebase (--timebase):\n"
" The desired precision of timestamps in the output, expressed\n"
" in fractional seconds. Default is 1/1000.\n");
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 HIST_BAR_MAX 40
struct hist_bucket {
int low, high, count;
};
static int merge_hist_buckets(struct hist_bucket *bucket,
int *buckets_,
int max_buckets) {
int small_bucket = 0, merge_bucket = INT_MAX, big_bucket = 0;
int buckets = *buckets_;
int i;
/* Find the extrema for this list of buckets */
big_bucket = small_bucket = 0;
for (i = 0; i < buckets; i++) {
if (bucket[i].count < bucket[small_bucket].count)
small_bucket = i;
if (bucket[i].count > bucket[big_bucket].count)
big_bucket = i;
}
/* If we have too many buckets, merge the smallest with an adjacent
* bucket.
*/
while (buckets > max_buckets) {
int last_bucket = buckets - 1;
/* merge the small bucket with an adjacent one. */
if (small_bucket == 0)
merge_bucket = 1;
else if (small_bucket == last_bucket)
merge_bucket = last_bucket - 1;
else if (bucket[small_bucket - 1].count < bucket[small_bucket + 1].count)
merge_bucket = small_bucket - 1;
else
merge_bucket = small_bucket + 1;
assert(abs(merge_bucket - small_bucket) <= 1);
assert(small_bucket < buckets);
assert(big_bucket < buckets);
assert(merge_bucket < buckets);
if (merge_bucket < small_bucket) {
bucket[merge_bucket].high = bucket[small_bucket].high;
bucket[merge_bucket].count += bucket[small_bucket].count;
} else {
bucket[small_bucket].high = bucket[merge_bucket].high;
bucket[small_bucket].count += bucket[merge_bucket].count;
merge_bucket = small_bucket;
}
assert(bucket[merge_bucket].low != bucket[merge_bucket].high);
buckets--;
/* Remove the merge_bucket from the list, and find the new small
* and big buckets while we're at it
*/
big_bucket = small_bucket = 0;
for (i = 0; i < buckets; i++) {
if (i > merge_bucket)
bucket[i] = bucket[i + 1];
if (bucket[i].count < bucket[small_bucket].count)
small_bucket = i;
if (bucket[i].count > bucket[big_bucket].count)
big_bucket = i;
}
}
*buckets_ = buckets;
return bucket[big_bucket].count;
}
static void show_histogram(const struct hist_bucket *bucket,
int buckets,
int total,
int scale) {
const char *pat1, *pat2;
int i;
switch ((int)(log(bucket[buckets - 1].high) / log(10)) + 1) {
case 1:
case 2:
pat1 = "%4d %2s: ";
pat2 = "%4d-%2d: ";
break;
case 3:
pat1 = "%5d %3s: ";
pat2 = "%5d-%3d: ";
break;
case 4:
pat1 = "%6d %4s: ";
pat2 = "%6d-%4d: ";
break;
case 5:
pat1 = "%7d %5s: ";
pat2 = "%7d-%5d: ";
break;
case 6:
pat1 = "%8d %6s: ";
pat2 = "%8d-%6d: ";
break;
case 7:
pat1 = "%9d %7s: ";
pat2 = "%9d-%7d: ";
break;
default:
pat1 = "%12d %10s: ";
pat2 = "%12d-%10d: ";
break;
}
for (i = 0; i < buckets; i++) {
int len;
int j;
float pct;
pct = (float)(100.0 * bucket[i].count / total);
len = HIST_BAR_MAX * bucket[i].count / scale;
if (len < 1)
len = 1;
assert(len <= HIST_BAR_MAX);
if (bucket[i].low == bucket[i].high)
fprintf(stderr, pat1, bucket[i].low, "");
else
fprintf(stderr, pat2, bucket[i].low, bucket[i].high);
for (j = 0; j < HIST_BAR_MAX; j++)
fprintf(stderr, j < len ? "=" : " ");
fprintf(stderr, "\t%5d (%6.2f%%)\n", bucket[i].count, pct);
}
}
static void show_q_histogram(const int counts[64], int max_buckets) {
struct hist_bucket bucket[64];
int buckets = 0;
int total = 0;
int scale;
int i;
for (i = 0; i < 64; i++) {
if (counts[i]) {
bucket[buckets].low = bucket[buckets].high = i;
bucket[buckets].count = counts[i];
buckets++;
total += counts[i];
}
}
fprintf(stderr, "\nQuantizer Selection:\n");
scale = merge_hist_buckets(bucket, &buckets, max_buckets);
show_histogram(bucket, buckets, total, scale);
}
#define RATE_BINS (100)
struct rate_hist {
int64_t *pts;
int *sz;
int samples;
int frames;
struct hist_bucket bucket[RATE_BINS];
int total;
};
static void init_rate_histogram(struct rate_hist *hist,
const vpx_codec_enc_cfg_t *cfg,
const vpx_rational_t *fps) {
int i;
/* Determine the number of samples in the buffer. Use the file's framerate
* to determine the number of frames in rc_buf_sz milliseconds, with an
* adjustment (5/4) to account for alt-refs
*/
hist->samples = cfg->rc_buf_sz * 5 / 4 * fps->num / fps->den / 1000;
/* prevent division by zero */
if (hist->samples == 0)
hist->samples = 1;
hist->pts = calloc(hist->samples, sizeof(*hist->pts));
hist->sz = calloc(hist->samples, sizeof(*hist->sz));
for (i = 0; i < RATE_BINS; i++) {
hist->bucket[i].low = INT_MAX;
hist->bucket[i].high = 0;
hist->bucket[i].count = 0;
}
}
static void destroy_rate_histogram(struct rate_hist *hist) {
free(hist->pts);
free(hist->sz);
}
static void update_rate_histogram(struct rate_hist *hist,
const vpx_codec_enc_cfg_t *cfg,
const vpx_codec_cx_pkt_t *pkt) {
int i, idx;
int64_t now, then, sum_sz = 0, avg_bitrate;
now = pkt->data.frame.pts * 1000
* (uint64_t)cfg->g_timebase.num / (uint64_t)cfg->g_timebase.den;
idx = hist->frames++ % hist->samples;
hist->pts[idx] = now;
hist->sz[idx] = (int)pkt->data.frame.sz;
if (now < cfg->rc_buf_initial_sz)
return;
then = now;
/* Sum the size over the past rc_buf_sz ms */
for (i = hist->frames; i > 0 && hist->frames - i < hist->samples; i--) {
int i_idx = (i - 1) % hist->samples;
then = hist->pts[i_idx];
if (now - then > cfg->rc_buf_sz)
break;
sum_sz += hist->sz[i_idx];
}
if (now == then)
return;
avg_bitrate = sum_sz * 8 * 1000 / (now - then);
idx = (int)(avg_bitrate * (RATE_BINS / 2) / (cfg->rc_target_bitrate * 1000));
if (idx < 0)
idx = 0;
if (idx > RATE_BINS - 1)
idx = RATE_BINS - 1;
if (hist->bucket[idx].low > avg_bitrate)
hist->bucket[idx].low = (int)avg_bitrate;
if (hist->bucket[idx].high < avg_bitrate)
hist->bucket[idx].high = (int)avg_bitrate;
hist->bucket[idx].count++;
hist->total++;
}
static void show_rate_histogram(struct rate_hist *hist,
const vpx_codec_enc_cfg_t *cfg,
int max_buckets) {
int i, scale;
int buckets = 0;
for (i = 0; i < RATE_BINS; i++) {
if (hist->bucket[i].low == INT_MAX)
continue;
hist->bucket[buckets++] = hist->bucket[i];
}
fprintf(stderr, "\nRate (over %dms window):\n", cfg->rc_buf_sz);
scale = merge_hist_buckets(hist->bucket, &buckets, max_buckets);
show_histogram(hist->bucket, buckets, hist->total, scale);
}
#define mmin(a, b) ((a) < (b) ? (a) : (b))
static void find_mismatch(vpx_image_t *img1, vpx_image_t *img2,
int yloc[4], int uloc[4], int vloc[4]) {
const unsigned int bsize = 64;
const unsigned int bsizey = bsize >> img1->y_chroma_shift;
const unsigned int bsizex = bsize >> img1->x_chroma_shift;
const int c_w = (img1->d_w + img1->x_chroma_shift) >> img1->x_chroma_shift;
const int c_h = (img1->d_h + img1->y_chroma_shift) >> img1->y_chroma_shift;
unsigned int match = 1;
unsigned int i, j;
yloc[0] = yloc[1] = yloc[2] = yloc[3] = -1;
for (i = 0, match = 1; match && i < img1->d_h; i += bsize) {
for (j = 0; match && j < img1->d_w; j += bsize) {
int k, l;
int si = mmin(i + bsize, img1->d_h) - i;
int sj = mmin(j + bsize, img1->d_w) - j;
for (k = 0; match && k < si; k++)
for (l = 0; match && l < sj; l++) {
if (*(img1->planes[VPX_PLANE_Y] +
(i + k) * img1->stride[VPX_PLANE_Y] + j + l) !=
*(img2->planes[VPX_PLANE_Y] +
(i + k) * img2->stride[VPX_PLANE_Y] + j + l)) {
yloc[0] = i + k;
yloc[1] = j + l;
yloc[2] = *(img1->planes[VPX_PLANE_Y] +
(i + k) * img1->stride[VPX_PLANE_Y] + j + l);
yloc[3] = *(img2->planes[VPX_PLANE_Y] +
(i + k) * img2->stride[VPX_PLANE_Y] + j + l);
match = 0;
break;
}
}
}
}
uloc[0] = uloc[1] = uloc[2] = uloc[3] = -1;
for (i = 0, match = 1; match && i < c_h; i += bsizey) {
for (j = 0; match && j < c_w; j += bsizex) {
int k, l;
int si = mmin(i + bsizey, c_h - i);
int sj = mmin(j + bsizex, c_w - j);
for (k = 0; match && k < si; k++)
for (l = 0; match && l < sj; l++) {
if (*(img1->planes[VPX_PLANE_U] +
(i + k) * img1->stride[VPX_PLANE_U] + j + l) !=
*(img2->planes[VPX_PLANE_U] +
(i + k) * img2->stride[VPX_PLANE_U] + j + l)) {
uloc[0] = i + k;
uloc[1] = j + l;
uloc[2] = *(img1->planes[VPX_PLANE_U] +
(i + k) * img1->stride[VPX_PLANE_U] + j + l);
uloc[3] = *(img2->planes[VPX_PLANE_U] +
(i + k) * img2->stride[VPX_PLANE_V] + j + l);
match = 0;
break;
}
}
}
}
vloc[0] = vloc[1] = vloc[2] = vloc[3] = -1;
for (i = 0, match = 1; match && i < c_h; i += bsizey) {
for (j = 0; match && j < c_w; j += bsizex) {
int k, l;
int si = mmin(i + bsizey, c_h - i);
int sj = mmin(j + bsizex, c_w - j);
for (k = 0; match && k < si; k++)
for (l = 0; match && l < sj; l++) {
if (*(img1->planes[VPX_PLANE_V] +
(i + k) * img1->stride[VPX_PLANE_V] + j + l) !=
*(img2->planes[VPX_PLANE_V] +
(i + k) * img2->stride[VPX_PLANE_V] + j + l)) {
vloc[0] = i + k;
vloc[1] = j + l;
vloc[2] = *(img1->planes[VPX_PLANE_V] +
(i + k) * img1->stride[VPX_PLANE_V] + j + l);
vloc[3] = *(img2->planes[VPX_PLANE_V] +
(i + k) * img2->stride[VPX_PLANE_V] + j + l);
match = 0;
break;
}
}
}
}
}
static int compare_img(vpx_image_t *img1, vpx_image_t *img2)
{
const int c_w = (img1->d_w + img1->x_chroma_shift) >> img1->x_chroma_shift;
const int c_h = (img1->d_h + img1->y_chroma_shift) >> img1->y_chroma_shift;
int match = 1;
unsigned int i;
match &= (img1->fmt == img2->fmt);
match &= (img1->w == img2->w);
match &= (img1->h == img2->h);
for (i = 0; i < img1->d_h; i++)
match &= (memcmp(img1->planes[VPX_PLANE_Y]+i*img1->stride[VPX_PLANE_Y],
img2->planes[VPX_PLANE_Y]+i*img2->stride[VPX_PLANE_Y],
img1->d_w) == 0);
for (i = 0; i < c_h; i++)
match &= (memcmp(img1->planes[VPX_PLANE_U]+i*img1->stride[VPX_PLANE_U],
img2->planes[VPX_PLANE_U]+i*img2->stride[VPX_PLANE_U],
c_w) == 0);
for (i = 0; i < c_h; i++)
match &= (memcmp(img1->planes[VPX_PLANE_V]+i*img1->stride[VPX_PLANE_U],
img2->planes[VPX_PLANE_V]+i*img2->stride[VPX_PLANE_U],
c_w) == 0);
return match;
}
#define NELEMENTS(x) (sizeof(x)/sizeof(x[0]))
#define MAX(x,y) ((x)>(y)?(x):(y))
#if CONFIG_VP8_ENCODER && !CONFIG_VP9_ENCODER
#define ARG_CTRL_CNT_MAX NELEMENTS(vp8_arg_ctrl_map)
#elif !CONFIG_VP8_ENCODER && CONFIG_VP9_ENCODER
#define ARG_CTRL_CNT_MAX NELEMENTS(vp9_arg_ctrl_map)
#else
#define ARG_CTRL_CNT_MAX MAX(NELEMENTS(vp8_arg_ctrl_map), \
NELEMENTS(vp9_arg_ctrl_map))
#endif
/* Per-stream configuration */
struct stream_config {
struct vpx_codec_enc_cfg cfg;
const char *out_fn;
const char *stats_fn;
stereo_format_t stereo_fmt;
int arg_ctrls[ARG_CTRL_CNT_MAX][2];
int arg_ctrl_cnt;
int write_webm;
int have_kf_max_dist;
};
struct stream_state {
int index;
struct stream_state *next;
struct stream_config config;
FILE *file;
struct rate_hist rate_hist;
struct EbmlGlobal ebml;
uint32_t hash;
uint64_t psnr_sse_total;
uint64_t psnr_samples_total;
double psnr_totals[4];
int psnr_count;
int counts[64];
vpx_codec_ctx_t encoder;
unsigned int frames_out;
uint64_t cx_time;
size_t nbytes;
stats_io_t stats;
struct vpx_image *img;
vpx_codec_ctx_t decoder;
int mismatch_seen;
};
void validate_positive_rational(const char *msg,
struct vpx_rational *rat) {
if (rat->den < 0) {
rat->num *= -1;
rat->den *= -1;
}
if (rat->num < 0)
die("Error: %s must be positive\n", msg);
if (!rat->den)
die("Error: %s has zero denominator\n", msg);
}
static void parse_global_config(struct VpxEncoderConfig *global, char **argv) {
char **argi, **argj;
struct arg arg;
/* Initialize default parameters */
memset(global, 0, sizeof(*global));
global->codec = codecs;
global->passes = 0;
global->use_i420 = 1;
/* Assign default deadline to good quality */
global->deadline = VPX_DL_GOOD_QUALITY;
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)
global->codec = codecs + k;
else
die("Error: Unrecognized argument (%s) to --codec\n",
arg.val);
} else if (arg_match(&arg, &passes, argi)) {
global->passes = arg_parse_uint(&arg);
if (global->passes < 1 || global->passes > 2)
die("Error: Invalid number of passes (%d)\n", global->passes);
} else if (arg_match(&arg, &pass_arg, argi)) {
global->pass = arg_parse_uint(&arg);
if (global->pass < 1 || global->pass > 2)
die("Error: Invalid pass selected (%d)\n",
global->pass);
} else if (arg_match(&arg, &usage, argi))
global->usage = arg_parse_uint(&arg);
else if (arg_match(&arg, &deadline, argi))
global->deadline = arg_parse_uint(&arg);
else if (arg_match(&arg, &best_dl, argi))
global->deadline = VPX_DL_BEST_QUALITY;
else if (arg_match(&arg, &good_dl, argi))
global->deadline = VPX_DL_GOOD_QUALITY;
else if (arg_match(&arg, &rt_dl, argi))
global->deadline = VPX_DL_REALTIME;
else if (arg_match(&arg, &use_yv12, argi))
global->use_i420 = 0;
else if (arg_match(&arg, &use_i420, argi))
global->use_i420 = 1;
else if (arg_match(&arg, &quietarg, argi))
global->quiet = 1;
else if (arg_match(&arg, &verbosearg, argi))
global->verbose = 1;
else if (arg_match(&arg, &limit, argi))
global->limit = arg_parse_uint(&arg);
else if (arg_match(&arg, &skip, argi))
global->skip_frames = arg_parse_uint(&arg);
else if (arg_match(&arg, &psnrarg, argi))
global->show_psnr = 1;
else if (arg_match(&arg, &recontest, argi))
global->test_decode = arg_parse_enum_or_int(&arg);
else if (arg_match(&arg, &framerate, argi)) {
global->framerate = arg_parse_rational(&arg);
validate_positive_rational(arg.name, &global->framerate);
global->have_framerate = 1;
} else if (arg_match(&arg, &out_part, argi))
global->out_part = 1;
else if (arg_match(&arg, &debugmode, argi))
global->debug = 1;
else if (arg_match(&arg, &q_hist_n, argi))
global->show_q_hist_buckets = arg_parse_uint(&arg);
else if (arg_match(&arg, &rate_hist_n, argi))
global->show_rate_hist_buckets = arg_parse_uint(&arg);
else if (arg_match(&arg, &disable_warnings, argi))
global->disable_warnings = 1;
else if (arg_match(&arg, &disable_warning_prompt, argi))
global->disable_warning_prompt = 1;
else
argj++;
}