vpxenc: Relocate rate/quantizer histogram code.
Adding rate_hist.{h, c} files.
Change-Id: Iaa28af6b25ec8982966a7296a073d6017b3a7f96
This commit is contained in:
Dmitry Kovalev
Родитель
00bfacb769
Коммит
f11da2b550
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@ -41,6 +41,7 @@ UTILS-$(CONFIG_ENCODERS) += vpxenc.c
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vpxenc.SRCS += args.c args.h y4minput.c y4minput.h vpxenc.h
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vpxenc.SRCS += ivfdec.c ivfdec.h
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vpxenc.SRCS += ivfenc.c ivfenc.h
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vpxenc.SRCS += rate_hist.c rate_hist.h
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vpxenc.SRCS += tools_common.c tools_common.h
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vpxenc.SRCS += warnings.c warnings.h
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vpxenc.SRCS += webmenc.c webmenc.h
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@ -0,0 +1,282 @@
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/*
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* Copyright (c) 2014 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <assert.h>
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#include <stdlib.h>
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#include <limits.h>
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#include <stdio.h>
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#include <math.h>
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#include "./rate_hist.h"
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#define RATE_BINS 100
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#define HIST_BAR_MAX 40
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struct hist_bucket {
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int low;
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int high;
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int count;
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};
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struct rate_hist {
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int64_t *pts;
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int *sz;
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int samples;
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int frames;
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struct hist_bucket bucket[RATE_BINS];
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int total;
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};
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struct rate_hist *init_rate_histogram(const vpx_codec_enc_cfg_t *cfg,
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const vpx_rational_t *fps) {
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int i;
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struct rate_hist *hist = malloc(sizeof(*hist));
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// Determine the number of samples in the buffer. Use the file's framerate
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// to determine the number of frames in rc_buf_sz milliseconds, with an
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// adjustment (5/4) to account for alt-refs
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hist->samples = cfg->rc_buf_sz * 5 / 4 * fps->num / fps->den / 1000;
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// prevent division by zero
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if (hist->samples == 0)
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hist->samples = 1;
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hist->frames = 0;
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hist->total = 0;
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hist->pts = calloc(hist->samples, sizeof(*hist->pts));
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hist->sz = calloc(hist->samples, sizeof(*hist->sz));
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for (i = 0; i < RATE_BINS; i++) {
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hist->bucket[i].low = INT_MAX;
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hist->bucket[i].high = 0;
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hist->bucket[i].count = 0;
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}
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return hist;
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}
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void destroy_rate_histogram(struct rate_hist *hist) {
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if (hist) {
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free(hist->pts);
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free(hist->sz);
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free(hist);
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}
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}
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void update_rate_histogram(struct rate_hist *hist,
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const vpx_codec_enc_cfg_t *cfg,
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const vpx_codec_cx_pkt_t *pkt) {
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int i;
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int64_t then = 0;
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int64_t avg_bitrate = 0;
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int64_t sum_sz = 0;
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const int64_t now = pkt->data.frame.pts * 1000 *
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(uint64_t)cfg->g_timebase.num /
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(uint64_t)cfg->g_timebase.den;
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int idx = hist->frames++ % hist->samples;
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hist->pts[idx] = now;
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hist->sz[idx] = (int)pkt->data.frame.sz;
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if (now < cfg->rc_buf_initial_sz)
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return;
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then = now;
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/* Sum the size over the past rc_buf_sz ms */
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for (i = hist->frames; i > 0 && hist->frames - i < hist->samples; i--) {
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const int i_idx = (i - 1) % hist->samples;
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then = hist->pts[i_idx];
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if (now - then > cfg->rc_buf_sz)
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break;
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sum_sz += hist->sz[i_idx];
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}
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if (now == then)
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return;
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avg_bitrate = sum_sz * 8 * 1000 / (now - then);
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idx = (int)(avg_bitrate * (RATE_BINS / 2) / (cfg->rc_target_bitrate * 1000));
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if (idx < 0)
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idx = 0;
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if (idx > RATE_BINS - 1)
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idx = RATE_BINS - 1;
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if (hist->bucket[idx].low > avg_bitrate)
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hist->bucket[idx].low = (int)avg_bitrate;
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if (hist->bucket[idx].high < avg_bitrate)
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hist->bucket[idx].high = (int)avg_bitrate;
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hist->bucket[idx].count++;
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hist->total++;
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}
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static int merge_hist_buckets(struct hist_bucket *bucket,
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int max_buckets, int *num_buckets) {
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int small_bucket = 0, merge_bucket = INT_MAX, big_bucket = 0;
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int buckets = *num_buckets;
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int i;
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/* Find the extrema for this list of buckets */
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big_bucket = small_bucket = 0;
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for (i = 0; i < buckets; i++) {
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if (bucket[i].count < bucket[small_bucket].count)
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small_bucket = i;
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if (bucket[i].count > bucket[big_bucket].count)
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big_bucket = i;
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}
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/* If we have too many buckets, merge the smallest with an adjacent
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* bucket.
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*/
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while (buckets > max_buckets) {
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int last_bucket = buckets - 1;
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/* merge the small bucket with an adjacent one. */
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if (small_bucket == 0)
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merge_bucket = 1;
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else if (small_bucket == last_bucket)
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merge_bucket = last_bucket - 1;
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else if (bucket[small_bucket - 1].count < bucket[small_bucket + 1].count)
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merge_bucket = small_bucket - 1;
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else
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merge_bucket = small_bucket + 1;
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assert(abs(merge_bucket - small_bucket) <= 1);
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assert(small_bucket < buckets);
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assert(big_bucket < buckets);
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assert(merge_bucket < buckets);
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if (merge_bucket < small_bucket) {
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bucket[merge_bucket].high = bucket[small_bucket].high;
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bucket[merge_bucket].count += bucket[small_bucket].count;
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} else {
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bucket[small_bucket].high = bucket[merge_bucket].high;
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bucket[small_bucket].count += bucket[merge_bucket].count;
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merge_bucket = small_bucket;
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}
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assert(bucket[merge_bucket].low != bucket[merge_bucket].high);
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buckets--;
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/* Remove the merge_bucket from the list, and find the new small
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* and big buckets while we're at it
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*/
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big_bucket = small_bucket = 0;
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for (i = 0; i < buckets; i++) {
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if (i > merge_bucket)
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bucket[i] = bucket[i + 1];
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if (bucket[i].count < bucket[small_bucket].count)
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small_bucket = i;
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if (bucket[i].count > bucket[big_bucket].count)
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big_bucket = i;
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}
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}
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*num_buckets = buckets;
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return bucket[big_bucket].count;
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}
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static void show_histogram(const struct hist_bucket *bucket,
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int buckets, int total, int scale) {
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const char *pat1, *pat2;
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int i;
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switch ((int)(log(bucket[buckets - 1].high) / log(10)) + 1) {
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case 1:
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case 2:
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pat1 = "%4d %2s: ";
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pat2 = "%4d-%2d: ";
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break;
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case 3:
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pat1 = "%5d %3s: ";
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pat2 = "%5d-%3d: ";
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break;
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case 4:
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pat1 = "%6d %4s: ";
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pat2 = "%6d-%4d: ";
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break;
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case 5:
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pat1 = "%7d %5s: ";
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pat2 = "%7d-%5d: ";
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break;
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case 6:
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pat1 = "%8d %6s: ";
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pat2 = "%8d-%6d: ";
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break;
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case 7:
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pat1 = "%9d %7s: ";
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pat2 = "%9d-%7d: ";
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break;
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default:
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pat1 = "%12d %10s: ";
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pat2 = "%12d-%10d: ";
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break;
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}
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for (i = 0; i < buckets; i++) {
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int len;
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int j;
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float pct;
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pct = (float)(100.0 * bucket[i].count / total);
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len = HIST_BAR_MAX * bucket[i].count / scale;
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if (len < 1)
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len = 1;
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assert(len <= HIST_BAR_MAX);
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if (bucket[i].low == bucket[i].high)
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fprintf(stderr, pat1, bucket[i].low, "");
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else
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fprintf(stderr, pat2, bucket[i].low, bucket[i].high);
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for (j = 0; j < HIST_BAR_MAX; j++)
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fprintf(stderr, j < len ? "=" : " ");
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fprintf(stderr, "\t%5d (%6.2f%%)\n", bucket[i].count, pct);
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}
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}
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void show_q_histogram(const int counts[64], int max_buckets) {
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struct hist_bucket bucket[64];
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int buckets = 0;
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int total = 0;
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int scale;
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int i;
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for (i = 0; i < 64; i++) {
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if (counts[i]) {
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bucket[buckets].low = bucket[buckets].high = i;
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bucket[buckets].count = counts[i];
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buckets++;
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total += counts[i];
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}
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}
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fprintf(stderr, "\nQuantizer Selection:\n");
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scale = merge_hist_buckets(bucket, max_buckets, &buckets);
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show_histogram(bucket, buckets, total, scale);
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}
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void show_rate_histogram(struct rate_hist *hist,
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const vpx_codec_enc_cfg_t *cfg, int max_buckets) {
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int i, scale;
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int buckets = 0;
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for (i = 0; i < RATE_BINS; i++) {
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if (hist->bucket[i].low == INT_MAX)
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continue;
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hist->bucket[buckets++] = hist->bucket[i];
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}
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fprintf(stderr, "\nRate (over %dms window):\n", cfg->rc_buf_sz);
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scale = merge_hist_buckets(hist->bucket, max_buckets, &buckets);
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show_histogram(hist->bucket, buckets, hist->total, scale);
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}
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@ -0,0 +1,40 @@
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/*
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* Copyright (c) 2014 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef RATE_HIST_H_
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#define RATE_HIST_H_
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#include "vpx/vpx_encoder.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct rate_hist;
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struct rate_hist *init_rate_histogram(const vpx_codec_enc_cfg_t *cfg,
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const vpx_rational_t *fps);
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void destroy_rate_histogram(struct rate_hist *hist);
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void update_rate_histogram(struct rate_hist *hist,
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const vpx_codec_enc_cfg_t *cfg,
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const vpx_codec_cx_pkt_t *pkt);
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void show_q_histogram(const int counts[64], int max_buckets);
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void show_rate_histogram(struct rate_hist *hist, const vpx_codec_enc_cfg_t *cfg,
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int max_buckets);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // RATE_HIST_H_
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281
vpxenc.c
281
vpxenc.c
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@ -38,6 +38,7 @@
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#include "./tools_common.h"
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#include "vpx_ports/mem_ops.h"
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#include "vpx_ports/vpx_timer.h"
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#include "./rate_hist.h"
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#include "./vpxstats.h"
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#include "./warnings.h"
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#include "./webmenc.h"
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@ -472,274 +473,6 @@ void usage_exit() {
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exit(EXIT_FAILURE);
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}
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#define HIST_BAR_MAX 40
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struct hist_bucket {
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int low, high, count;
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};
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static int merge_hist_buckets(struct hist_bucket *bucket,
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int *buckets_,
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int max_buckets) {
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int small_bucket = 0, merge_bucket = INT_MAX, big_bucket = 0;
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int buckets = *buckets_;
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int i;
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/* Find the extrema for this list of buckets */
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big_bucket = small_bucket = 0;
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for (i = 0; i < buckets; i++) {
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if (bucket[i].count < bucket[small_bucket].count)
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small_bucket = i;
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if (bucket[i].count > bucket[big_bucket].count)
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big_bucket = i;
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}
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/* If we have too many buckets, merge the smallest with an adjacent
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* bucket.
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*/
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while (buckets > max_buckets) {
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int last_bucket = buckets - 1;
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/* merge the small bucket with an adjacent one. */
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if (small_bucket == 0)
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merge_bucket = 1;
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else if (small_bucket == last_bucket)
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merge_bucket = last_bucket - 1;
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else if (bucket[small_bucket - 1].count < bucket[small_bucket + 1].count)
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merge_bucket = small_bucket - 1;
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else
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merge_bucket = small_bucket + 1;
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assert(abs(merge_bucket - small_bucket) <= 1);
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assert(small_bucket < buckets);
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assert(big_bucket < buckets);
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assert(merge_bucket < buckets);
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if (merge_bucket < small_bucket) {
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bucket[merge_bucket].high = bucket[small_bucket].high;
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bucket[merge_bucket].count += bucket[small_bucket].count;
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} else {
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bucket[small_bucket].high = bucket[merge_bucket].high;
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bucket[small_bucket].count += bucket[merge_bucket].count;
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merge_bucket = small_bucket;
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}
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assert(bucket[merge_bucket].low != bucket[merge_bucket].high);
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buckets--;
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/* Remove the merge_bucket from the list, and find the new small
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* and big buckets while we're at it
|
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*/
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big_bucket = small_bucket = 0;
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for (i = 0; i < buckets; i++) {
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if (i > merge_bucket)
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bucket[i] = bucket[i + 1];
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if (bucket[i].count < bucket[small_bucket].count)
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small_bucket = i;
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if (bucket[i].count > bucket[big_bucket].count)
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big_bucket = i;
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}
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}
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*buckets_ = buckets;
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return bucket[big_bucket].count;
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}
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static void show_histogram(const struct hist_bucket *bucket,
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int buckets,
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int total,
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int scale) {
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const char *pat1, *pat2;
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int i;
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switch ((int)(log(bucket[buckets - 1].high) / log(10)) + 1) {
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case 1:
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case 2:
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pat1 = "%4d %2s: ";
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pat2 = "%4d-%2d: ";
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break;
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case 3:
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pat1 = "%5d %3s: ";
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pat2 = "%5d-%3d: ";
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break;
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case 4:
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pat1 = "%6d %4s: ";
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pat2 = "%6d-%4d: ";
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break;
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case 5:
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pat1 = "%7d %5s: ";
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pat2 = "%7d-%5d: ";
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break;
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case 6:
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pat1 = "%8d %6s: ";
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pat2 = "%8d-%6d: ";
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break;
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case 7:
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pat1 = "%9d %7s: ";
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pat2 = "%9d-%7d: ";
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break;
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default:
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pat1 = "%12d %10s: ";
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pat2 = "%12d-%10d: ";
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break;
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}
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for (i = 0; i < buckets; i++) {
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int len;
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int j;
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float pct;
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pct = (float)(100.0 * bucket[i].count / total);
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len = HIST_BAR_MAX * bucket[i].count / scale;
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if (len < 1)
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len = 1;
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assert(len <= HIST_BAR_MAX);
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if (bucket[i].low == bucket[i].high)
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fprintf(stderr, pat1, bucket[i].low, "");
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else
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fprintf(stderr, pat2, bucket[i].low, bucket[i].high);
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for (j = 0; j < HIST_BAR_MAX; j++)
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fprintf(stderr, j < len ? "=" : " ");
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fprintf(stderr, "\t%5d (%6.2f%%)\n", bucket[i].count, pct);
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}
|
||||
}
|
||||
|
||||
|
||||
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]) {
|
||||
|
|
@ -884,7 +617,7 @@ struct stream_state {
|
|||
struct stream_state *next;
|
||||
struct stream_config config;
|
||||
FILE *file;
|
||||
struct rate_hist rate_hist;
|
||||
struct rate_hist *rate_hist;
|
||||
struct EbmlGlobal ebml;
|
||||
uint32_t hash;
|
||||
uint64_t psnr_sse_total;
|
||||
|
|
@ -1576,7 +1309,7 @@ static void get_cx_data(struct stream_state *stream,
|
|||
if (!global->quiet)
|
||||
fprintf(stderr, " %6luF", (unsigned long)pkt->data.frame.sz);
|
||||
|
||||
update_rate_histogram(&stream->rate_hist, cfg, pkt);
|
||||
update_rate_histogram(stream->rate_hist, cfg, pkt);
|
||||
if (stream->config.write_webm) {
|
||||
/* Update the hash */
|
||||
if (!stream->ebml.debug)
|
||||
|
|
@ -1881,8 +1614,8 @@ int main(int argc, const char **argv_) {
|
|||
: VPX_IMG_FMT_YV12,
|
||||
input.width, input.height, 32);
|
||||
|
||||
FOREACH_STREAM(init_rate_histogram(&stream->rate_hist,
|
||||
&stream->config.cfg,
|
||||
FOREACH_STREAM(stream->rate_hist =
|
||||
init_rate_histogram(&stream->config.cfg,
|
||||
&global.framerate));
|
||||
}
|
||||
|
||||
|
|
@ -2020,10 +1753,10 @@ int main(int argc, const char **argv_) {
|
|||
global.show_q_hist_buckets));
|
||||
|
||||
if (global.show_rate_hist_buckets)
|
||||
FOREACH_STREAM(show_rate_histogram(&stream->rate_hist,
|
||||
FOREACH_STREAM(show_rate_histogram(stream->rate_hist,
|
||||
&stream->config.cfg,
|
||||
global.show_rate_hist_buckets));
|
||||
FOREACH_STREAM(destroy_rate_histogram(&stream->rate_hist));
|
||||
FOREACH_STREAM(destroy_rate_histogram(stream->rate_hist));
|
||||
|
||||
#if CONFIG_INTERNAL_STATS
|
||||
/* TODO(jkoleszar): This doesn't belong in this executable. Do it for now,
|
||||
|
|
|
|||
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