forked from KolibriOS/kolibrios
415 lines
15 KiB
C
415 lines
15 KiB
C
/*
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* Copyright (C) 2011-2012 Michael Niedermayer (michaelni@gmx.at)
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* Copyright (c) 2002 Fabrice Bellard
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*
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* This file is part of libswresample
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*
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* libswresample is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* libswresample is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with libswresample; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/avassert.h"
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#include "libavutil/channel_layout.h"
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#include "libavutil/common.h"
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#include "libavutil/opt.h"
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#include "swresample.h"
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#undef time
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#include "time.h"
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#undef fprintf
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#define SAMPLES 1000
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#define ASSERT_LEVEL 2
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static double get(uint8_t *a[], int ch, int index, int ch_count, enum AVSampleFormat f){
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const uint8_t *p;
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if(av_sample_fmt_is_planar(f)){
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f= av_get_alt_sample_fmt(f, 0);
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p= a[ch];
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}else{
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p= a[0];
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index= ch + index*ch_count;
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}
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switch(f){
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case AV_SAMPLE_FMT_U8 : return ((const uint8_t*)p)[index]/127.0-1.0;
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case AV_SAMPLE_FMT_S16: return ((const int16_t*)p)[index]/32767.0;
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case AV_SAMPLE_FMT_S32: return ((const int32_t*)p)[index]/2147483647.0;
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case AV_SAMPLE_FMT_FLT: return ((const float *)p)[index];
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case AV_SAMPLE_FMT_DBL: return ((const double *)p)[index];
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default: av_assert0(0);
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}
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}
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static void set(uint8_t *a[], int ch, int index, int ch_count, enum AVSampleFormat f, double v){
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uint8_t *p;
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if(av_sample_fmt_is_planar(f)){
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f= av_get_alt_sample_fmt(f, 0);
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p= a[ch];
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}else{
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p= a[0];
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index= ch + index*ch_count;
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}
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switch(f){
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case AV_SAMPLE_FMT_U8 : ((uint8_t*)p)[index]= av_clip_uint8 (lrint((v+1.0)*127)); break;
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case AV_SAMPLE_FMT_S16: ((int16_t*)p)[index]= av_clip_int16 (lrint(v*32767)); break;
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case AV_SAMPLE_FMT_S32: ((int32_t*)p)[index]= av_clipl_int32(llrint(v*2147483647)); break;
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case AV_SAMPLE_FMT_FLT: ((float *)p)[index]= v; break;
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case AV_SAMPLE_FMT_DBL: ((double *)p)[index]= v; break;
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default: av_assert2(0);
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}
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}
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static void shift(uint8_t *a[], int index, int ch_count, enum AVSampleFormat f){
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int ch;
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if(av_sample_fmt_is_planar(f)){
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f= av_get_alt_sample_fmt(f, 0);
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for(ch= 0; ch<ch_count; ch++)
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a[ch] += index*av_get_bytes_per_sample(f);
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}else{
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a[0] += index*ch_count*av_get_bytes_per_sample(f);
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}
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}
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static const enum AVSampleFormat formats[] = {
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AV_SAMPLE_FMT_S16,
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AV_SAMPLE_FMT_FLTP,
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AV_SAMPLE_FMT_S16P,
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AV_SAMPLE_FMT_FLT,
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AV_SAMPLE_FMT_S32P,
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AV_SAMPLE_FMT_S32,
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AV_SAMPLE_FMT_U8P,
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AV_SAMPLE_FMT_U8,
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AV_SAMPLE_FMT_DBLP,
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AV_SAMPLE_FMT_DBL,
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};
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static const int rates[] = {
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8000,
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11025,
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16000,
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22050,
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32000,
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48000,
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};
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uint64_t layouts[]={
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AV_CH_LAYOUT_MONO ,
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AV_CH_LAYOUT_STEREO ,
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AV_CH_LAYOUT_2_1 ,
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AV_CH_LAYOUT_SURROUND ,
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AV_CH_LAYOUT_4POINT0 ,
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AV_CH_LAYOUT_2_2 ,
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AV_CH_LAYOUT_QUAD ,
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AV_CH_LAYOUT_5POINT0 ,
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AV_CH_LAYOUT_5POINT1 ,
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AV_CH_LAYOUT_5POINT0_BACK ,
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AV_CH_LAYOUT_5POINT1_BACK ,
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AV_CH_LAYOUT_7POINT0 ,
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AV_CH_LAYOUT_7POINT1 ,
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AV_CH_LAYOUT_7POINT1_WIDE ,
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};
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static void setup_array(uint8_t *out[SWR_CH_MAX], uint8_t *in, enum AVSampleFormat format, int samples){
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if(av_sample_fmt_is_planar(format)){
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int i;
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int plane_size= av_get_bytes_per_sample(format&0xFF)*samples;
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format&=0xFF;
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for(i=0; i<SWR_CH_MAX; i++){
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out[i]= in + i*plane_size;
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}
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}else{
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out[0]= in;
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}
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}
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static int cmp(const int *a, const int *b){
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return *a - *b;
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}
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static void audiogen(void *data, enum AVSampleFormat sample_fmt,
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int channels, int sample_rate, int nb_samples)
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{
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int i, ch, k;
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double v, f, a, ampa;
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double tabf1[SWR_CH_MAX];
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double tabf2[SWR_CH_MAX];
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double taba[SWR_CH_MAX];
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unsigned static rnd;
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#define PUT_SAMPLE set(data, ch, k, channels, sample_fmt, v);
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#define uint_rand(x) (x = x * 1664525 + 1013904223)
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#define dbl_rand(x) (uint_rand(x)*2.0 / (double)UINT_MAX - 1)
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k = 0;
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/* 1 second of single freq sinus at 1000 Hz */
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a = 0;
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for (i = 0; i < 1 * sample_rate && k < nb_samples; i++, k++) {
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v = sin(a) * 0.30;
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for (ch = 0; ch < channels; ch++)
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PUT_SAMPLE
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a += M_PI * 1000.0 * 2.0 / sample_rate;
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}
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/* 1 second of varing frequency between 100 and 10000 Hz */
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a = 0;
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for (i = 0; i < 1 * sample_rate && k < nb_samples; i++, k++) {
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v = sin(a) * 0.30;
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for (ch = 0; ch < channels; ch++)
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PUT_SAMPLE
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f = 100.0 + (((10000.0 - 100.0) * i) / sample_rate);
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a += M_PI * f * 2.0 / sample_rate;
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}
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/* 0.5 second of low amplitude white noise */
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for (i = 0; i < sample_rate / 2 && k < nb_samples; i++, k++) {
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v = dbl_rand(rnd) * 0.30;
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for (ch = 0; ch < channels; ch++)
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PUT_SAMPLE
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}
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/* 0.5 second of high amplitude white noise */
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for (i = 0; i < sample_rate / 2 && k < nb_samples; i++, k++) {
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v = dbl_rand(rnd);
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for (ch = 0; ch < channels; ch++)
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PUT_SAMPLE
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}
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/* 1 second of unrelated ramps for each channel */
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for (ch = 0; ch < channels; ch++) {
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taba[ch] = 0;
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tabf1[ch] = 100 + uint_rand(rnd) % 5000;
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tabf2[ch] = 100 + uint_rand(rnd) % 5000;
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}
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for (i = 0; i < 1 * sample_rate && k < nb_samples; i++, k++) {
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for (ch = 0; ch < channels; ch++) {
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v = sin(taba[ch]) * 0.30;
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PUT_SAMPLE
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f = tabf1[ch] + (((tabf2[ch] - tabf1[ch]) * i) / sample_rate);
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taba[ch] += M_PI * f * 2.0 / sample_rate;
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}
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}
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/* 2 seconds of 500 Hz with varying volume */
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a = 0;
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ampa = 0;
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for (i = 0; i < 2 * sample_rate && k < nb_samples; i++, k++) {
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for (ch = 0; ch < channels; ch++) {
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double amp = (1.0 + sin(ampa)) * 0.15;
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if (ch & 1)
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amp = 0.30 - amp;
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v = sin(a) * amp;
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PUT_SAMPLE
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a += M_PI * 500.0 * 2.0 / sample_rate;
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ampa += M_PI * 2.0 / sample_rate;
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}
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}
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}
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int main(int argc, char **argv){
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int in_sample_rate, out_sample_rate, ch ,i, flush_count;
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uint64_t in_ch_layout, out_ch_layout;
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enum AVSampleFormat in_sample_fmt, out_sample_fmt;
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uint8_t array_in[SAMPLES*8*8];
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uint8_t array_mid[SAMPLES*8*8*3];
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uint8_t array_out[SAMPLES*8*8+100];
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uint8_t *ain[SWR_CH_MAX];
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uint8_t *aout[SWR_CH_MAX];
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uint8_t *amid[SWR_CH_MAX];
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int flush_i=0;
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int mode;
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int num_tests = 10000;
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uint32_t seed = 0;
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uint32_t rand_seed = 0;
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int remaining_tests[FF_ARRAY_ELEMS(rates) * FF_ARRAY_ELEMS(layouts) * FF_ARRAY_ELEMS(formats) * FF_ARRAY_ELEMS(layouts) * FF_ARRAY_ELEMS(formats)];
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int max_tests = FF_ARRAY_ELEMS(remaining_tests);
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int test;
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int specific_test= -1;
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struct SwrContext * forw_ctx= NULL;
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struct SwrContext *backw_ctx= NULL;
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if (argc > 1) {
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if (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help")) {
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av_log(NULL, AV_LOG_INFO, "Usage: swresample-test [<num_tests>[ <test>]] \n"
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"num_tests Default is %d\n", num_tests);
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return 0;
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}
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num_tests = strtol(argv[1], NULL, 0);
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if(num_tests < 0) {
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num_tests = -num_tests;
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rand_seed = time(0);
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}
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if(num_tests<= 0 || num_tests>max_tests)
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num_tests = max_tests;
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if(argc > 2) {
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specific_test = strtol(argv[1], NULL, 0);
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}
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}
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for(i=0; i<max_tests; i++)
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remaining_tests[i] = i;
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for(test=0; test<num_tests; test++){
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unsigned r;
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uint_rand(seed);
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r = (seed * (uint64_t)(max_tests - test)) >>32;
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FFSWAP(int, remaining_tests[r], remaining_tests[max_tests - test - 1]);
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}
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qsort(remaining_tests + max_tests - num_tests, num_tests, sizeof(remaining_tests[0]), (void*)cmp);
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in_sample_rate=16000;
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for(test=0; test<num_tests; test++){
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char in_layout_string[256];
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char out_layout_string[256];
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unsigned vector= remaining_tests[max_tests - test - 1];
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int in_ch_count;
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int out_count, mid_count, out_ch_count;
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in_ch_layout = layouts[vector % FF_ARRAY_ELEMS(layouts)]; vector /= FF_ARRAY_ELEMS(layouts);
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out_ch_layout = layouts[vector % FF_ARRAY_ELEMS(layouts)]; vector /= FF_ARRAY_ELEMS(layouts);
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in_sample_fmt = formats[vector % FF_ARRAY_ELEMS(formats)]; vector /= FF_ARRAY_ELEMS(formats);
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out_sample_fmt = formats[vector % FF_ARRAY_ELEMS(formats)]; vector /= FF_ARRAY_ELEMS(formats);
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out_sample_rate = rates [vector % FF_ARRAY_ELEMS(rates )]; vector /= FF_ARRAY_ELEMS(rates);
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av_assert0(!vector);
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if(specific_test == 0){
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if(out_sample_rate != in_sample_rate || in_ch_layout != out_ch_layout)
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continue;
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}
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in_ch_count= av_get_channel_layout_nb_channels(in_ch_layout);
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out_ch_count= av_get_channel_layout_nb_channels(out_ch_layout);
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av_get_channel_layout_string( in_layout_string, sizeof( in_layout_string), in_ch_count, in_ch_layout);
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av_get_channel_layout_string(out_layout_string, sizeof(out_layout_string), out_ch_count, out_ch_layout);
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fprintf(stderr, "TEST: %s->%s, rate:%5d->%5d, fmt:%s->%s\n",
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in_layout_string, out_layout_string,
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in_sample_rate, out_sample_rate,
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av_get_sample_fmt_name(in_sample_fmt), av_get_sample_fmt_name(out_sample_fmt));
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forw_ctx = swr_alloc_set_opts(forw_ctx, out_ch_layout, out_sample_fmt, out_sample_rate,
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in_ch_layout, in_sample_fmt, in_sample_rate,
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0, 0);
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backw_ctx = swr_alloc_set_opts(backw_ctx, in_ch_layout, in_sample_fmt, in_sample_rate,
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out_ch_layout, out_sample_fmt, out_sample_rate,
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0, 0);
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if(!forw_ctx) {
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fprintf(stderr, "Failed to init forw_cts\n");
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return 1;
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}
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if(!backw_ctx) {
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fprintf(stderr, "Failed to init backw_ctx\n");
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return 1;
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}
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if(swr_init( forw_ctx) < 0)
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fprintf(stderr, "swr_init(->) failed\n");
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if(swr_init(backw_ctx) < 0)
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fprintf(stderr, "swr_init(<-) failed\n");
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//FIXME test planar
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setup_array(ain , array_in , in_sample_fmt, SAMPLES);
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setup_array(amid, array_mid, out_sample_fmt, 3*SAMPLES);
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setup_array(aout, array_out, in_sample_fmt , SAMPLES);
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#if 0
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for(ch=0; ch<in_ch_count; ch++){
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for(i=0; i<SAMPLES; i++)
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set(ain, ch, i, in_ch_count, in_sample_fmt, sin(i*i*3/SAMPLES));
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}
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#else
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audiogen(ain, in_sample_fmt, in_ch_count, SAMPLES/6+1, SAMPLES);
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#endif
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mode = uint_rand(rand_seed) % 3;
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if(mode==0 /*|| out_sample_rate == in_sample_rate*/) {
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mid_count= swr_convert(forw_ctx, amid, 3*SAMPLES, (const uint8_t **)ain, SAMPLES);
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} else if(mode==1){
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mid_count= swr_convert(forw_ctx, amid, 0, (const uint8_t **)ain, SAMPLES);
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mid_count+=swr_convert(forw_ctx, amid, 3*SAMPLES, (const uint8_t **)ain, 0);
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} else {
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int tmp_count;
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mid_count= swr_convert(forw_ctx, amid, 0, (const uint8_t **)ain, 1);
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av_assert0(mid_count==0);
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shift(ain, 1, in_ch_count, in_sample_fmt);
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mid_count+=swr_convert(forw_ctx, amid, 3*SAMPLES, (const uint8_t **)ain, 0);
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shift(amid, mid_count, out_ch_count, out_sample_fmt); tmp_count = mid_count;
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mid_count+=swr_convert(forw_ctx, amid, 2, (const uint8_t **)ain, 2);
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shift(amid, mid_count-tmp_count, out_ch_count, out_sample_fmt); tmp_count = mid_count;
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shift(ain, 2, in_ch_count, in_sample_fmt);
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mid_count+=swr_convert(forw_ctx, amid, 1, (const uint8_t **)ain, SAMPLES-3);
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shift(amid, mid_count-tmp_count, out_ch_count, out_sample_fmt); tmp_count = mid_count;
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shift(ain, -3, in_ch_count, in_sample_fmt);
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mid_count+=swr_convert(forw_ctx, amid, 3*SAMPLES, (const uint8_t **)ain, 0);
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shift(amid, -tmp_count, out_ch_count, out_sample_fmt);
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}
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out_count= swr_convert(backw_ctx,aout, SAMPLES, (const uint8_t **)amid, mid_count);
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for(ch=0; ch<in_ch_count; ch++){
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double sse, maxdiff=0;
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double sum_a= 0;
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double sum_b= 0;
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double sum_aa= 0;
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double sum_bb= 0;
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double sum_ab= 0;
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for(i=0; i<out_count; i++){
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double a= get(ain , ch, i, in_ch_count, in_sample_fmt);
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double b= get(aout, ch, i, in_ch_count, in_sample_fmt);
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sum_a += a;
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sum_b += b;
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sum_aa+= a*a;
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sum_bb+= b*b;
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sum_ab+= a*b;
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maxdiff= FFMAX(maxdiff, FFABS(a-b));
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}
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sse= sum_aa + sum_bb - 2*sum_ab;
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if(sse < 0 && sse > -0.00001) sse=0; //fix rounding error
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fprintf(stderr, "[e:%f c:%f max:%f] len:%5d\n", out_count ? sqrt(sse/out_count) : 0, sum_ab/(sqrt(sum_aa*sum_bb)), maxdiff, out_count);
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}
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flush_i++;
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flush_i%=21;
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flush_count = swr_convert(backw_ctx,aout, flush_i, 0, 0);
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shift(aout, flush_i, in_ch_count, in_sample_fmt);
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flush_count+= swr_convert(backw_ctx,aout, SAMPLES-flush_i, 0, 0);
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shift(aout, -flush_i, in_ch_count, in_sample_fmt);
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if(flush_count){
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for(ch=0; ch<in_ch_count; ch++){
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double sse, maxdiff=0;
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double sum_a= 0;
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double sum_b= 0;
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double sum_aa= 0;
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double sum_bb= 0;
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double sum_ab= 0;
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for(i=0; i<flush_count; i++){
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double a= get(ain , ch, i+out_count, in_ch_count, in_sample_fmt);
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double b= get(aout, ch, i, in_ch_count, in_sample_fmt);
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sum_a += a;
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sum_b += b;
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sum_aa+= a*a;
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sum_bb+= b*b;
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sum_ab+= a*b;
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maxdiff= FFMAX(maxdiff, FFABS(a-b));
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}
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sse= sum_aa + sum_bb - 2*sum_ab;
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if(sse < 0 && sse > -0.00001) sse=0; //fix rounding error
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fprintf(stderr, "[e:%f c:%f max:%f] len:%5d F:%3d\n", sqrt(sse/flush_count), sum_ab/(sqrt(sum_aa*sum_bb)), maxdiff, flush_count, flush_i);
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}
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}
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fprintf(stderr, "\n");
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}
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return 0;
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|
}
|