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Diffstat (limited to 'libswresample/swresample-test.c')
| -rw-r--r-- | libswresample/swresample-test.c | 414 |
1 files changed, 414 insertions, 0 deletions
diff --git a/libswresample/swresample-test.c b/libswresample/swresample-test.c new file mode 100644 index 0000000000..379d385315 --- /dev/null +++ b/libswresample/swresample-test.c @@ -0,0 +1,414 @@ +/* + * Copyright (C) 2011-2012 Michael Niedermayer (michaelni@gmx.at) + * Copyright (c) 2002 Fabrice Bellard + * + * This file is part of libswresample + * + * libswresample is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * libswresample is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with libswresample; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libavutil/avassert.h" +#include "libavutil/channel_layout.h" +#include "libavutil/common.h" +#include "libavutil/opt.h" +#include "swresample.h" + +#undef time +#include "time.h" +#undef fprintf + +#define SAMPLES 1000 + +#define ASSERT_LEVEL 2 + +static double get(uint8_t *a[], int ch, int index, int ch_count, enum AVSampleFormat f){ + const uint8_t *p; + if(av_sample_fmt_is_planar(f)){ + f= av_get_alt_sample_fmt(f, 0); + p= a[ch]; + }else{ + p= a[0]; + index= ch + index*ch_count; + } + + switch(f){ + case AV_SAMPLE_FMT_U8 : return ((const uint8_t*)p)[index]/127.0-1.0; + case AV_SAMPLE_FMT_S16: return ((const int16_t*)p)[index]/32767.0; + case AV_SAMPLE_FMT_S32: return ((const int32_t*)p)[index]/2147483647.0; + case AV_SAMPLE_FMT_FLT: return ((const float *)p)[index]; + case AV_SAMPLE_FMT_DBL: return ((const double *)p)[index]; + default: av_assert0(0); + } +} + +static void set(uint8_t *a[], int ch, int index, int ch_count, enum AVSampleFormat f, double v){ + uint8_t *p; + if(av_sample_fmt_is_planar(f)){ + f= av_get_alt_sample_fmt(f, 0); + p= a[ch]; + }else{ + p= a[0]; + index= ch + index*ch_count; + } + switch(f){ + case AV_SAMPLE_FMT_U8 : ((uint8_t*)p)[index]= av_clip_uint8 (lrint((v+1.0)*127)); break; + case AV_SAMPLE_FMT_S16: ((int16_t*)p)[index]= av_clip_int16 (lrint(v*32767)); break; + case AV_SAMPLE_FMT_S32: ((int32_t*)p)[index]= av_clipl_int32(llrint(v*2147483647)); break; + case AV_SAMPLE_FMT_FLT: ((float *)p)[index]= v; break; + case AV_SAMPLE_FMT_DBL: ((double *)p)[index]= v; break; + default: av_assert2(0); + } +} + +static void shift(uint8_t *a[], int index, int ch_count, enum AVSampleFormat f){ + int ch; + + if(av_sample_fmt_is_planar(f)){ + f= av_get_alt_sample_fmt(f, 0); + for(ch= 0; ch<ch_count; ch++) + a[ch] += index*av_get_bytes_per_sample(f); + }else{ + a[0] += index*ch_count*av_get_bytes_per_sample(f); + } +} + +static const enum AVSampleFormat formats[] = { + AV_SAMPLE_FMT_S16, + AV_SAMPLE_FMT_FLTP, + AV_SAMPLE_FMT_S16P, + AV_SAMPLE_FMT_FLT, + AV_SAMPLE_FMT_S32P, + AV_SAMPLE_FMT_S32, + AV_SAMPLE_FMT_U8P, + AV_SAMPLE_FMT_U8, + AV_SAMPLE_FMT_DBLP, + AV_SAMPLE_FMT_DBL, +}; + +static const int rates[] = { + 8000, + 11025, + 16000, + 22050, + 32000, + 48000, +}; + +uint64_t layouts[]={ + AV_CH_LAYOUT_MONO , + AV_CH_LAYOUT_STEREO , + AV_CH_LAYOUT_2_1 , + AV_CH_LAYOUT_SURROUND , + AV_CH_LAYOUT_4POINT0 , + AV_CH_LAYOUT_2_2 , + AV_CH_LAYOUT_QUAD , + AV_CH_LAYOUT_5POINT0 , + AV_CH_LAYOUT_5POINT1 , + AV_CH_LAYOUT_5POINT0_BACK , + AV_CH_LAYOUT_5POINT1_BACK , + AV_CH_LAYOUT_7POINT0 , + AV_CH_LAYOUT_7POINT1 , + AV_CH_LAYOUT_7POINT1_WIDE , +}; + +static void setup_array(uint8_t *out[SWR_CH_MAX], uint8_t *in, enum AVSampleFormat format, int samples){ + if(av_sample_fmt_is_planar(format)){ + int i; + int plane_size= av_get_bytes_per_sample(format&0xFF)*samples; + format&=0xFF; + for(i=0; i<SWR_CH_MAX; i++){ + out[i]= in + i*plane_size; + } + }else{ + out[0]= in; + } +} + +static int cmp(const int *a, const int *b){ + return *a - *b; +} + +static void audiogen(void *data, enum AVSampleFormat sample_fmt, + int channels, int sample_rate, int nb_samples) +{ + int i, ch, k; + double v, f, a, ampa; + double tabf1[SWR_CH_MAX]; + double tabf2[SWR_CH_MAX]; + double taba[SWR_CH_MAX]; + unsigned static rnd; + +#define PUT_SAMPLE set(data, ch, k, channels, sample_fmt, v); +#define uint_rand(x) (x = x * 1664525 + 1013904223) +#define dbl_rand(x) (uint_rand(x)*2.0 / (double)UINT_MAX - 1) + k = 0; + + /* 1 second of single freq sinus at 1000 Hz */ + a = 0; + for (i = 0; i < 1 * sample_rate && k < nb_samples; i++, k++) { + v = sin(a) * 0.30; + for (ch = 0; ch < channels; ch++) + PUT_SAMPLE + a += M_PI * 1000.0 * 2.0 / sample_rate; + } + + /* 1 second of varing frequency between 100 and 10000 Hz */ + a = 0; + for (i = 0; i < 1 * sample_rate && k < nb_samples; i++, k++) { + v = sin(a) * 0.30; + for (ch = 0; ch < channels; ch++) + PUT_SAMPLE + f = 100.0 + (((10000.0 - 100.0) * i) / sample_rate); + a += M_PI * f * 2.0 / sample_rate; + } + + /* 0.5 second of low amplitude white noise */ + for (i = 0; i < sample_rate / 2 && k < nb_samples; i++, k++) { + v = dbl_rand(rnd) * 0.30; + for (ch = 0; ch < channels; ch++) + PUT_SAMPLE + } + + /* 0.5 second of high amplitude white noise */ + for (i = 0; i < sample_rate / 2 && k < nb_samples; i++, k++) { + v = dbl_rand(rnd); + for (ch = 0; ch < channels; ch++) + PUT_SAMPLE + } + + /* 1 second of unrelated ramps for each channel */ + for (ch = 0; ch < channels; ch++) { + taba[ch] = 0; + tabf1[ch] = 100 + uint_rand(rnd) % 5000; + tabf2[ch] = 100 + uint_rand(rnd) % 5000; + } + for (i = 0; i < 1 * sample_rate && k < nb_samples; i++, k++) { + for (ch = 0; ch < channels; ch++) { + v = sin(taba[ch]) * 0.30; + PUT_SAMPLE + f = tabf1[ch] + (((tabf2[ch] - tabf1[ch]) * i) / sample_rate); + taba[ch] += M_PI * f * 2.0 / sample_rate; + } + } + + /* 2 seconds of 500 Hz with varying volume */ + a = 0; + ampa = 0; + for (i = 0; i < 2 * sample_rate && k < nb_samples; i++, k++) { + for (ch = 0; ch < channels; ch++) { + double amp = (1.0 + sin(ampa)) * 0.15; + if (ch & 1) + amp = 0.30 - amp; + v = sin(a) * amp; + PUT_SAMPLE + a += M_PI * 500.0 * 2.0 / sample_rate; + ampa += M_PI * 2.0 / sample_rate; + } + } +} + +int main(int argc, char **argv){ + int in_sample_rate, out_sample_rate, ch ,i, flush_count; + uint64_t in_ch_layout, out_ch_layout; + enum AVSampleFormat in_sample_fmt, out_sample_fmt; + uint8_t array_in[SAMPLES*8*8]; + uint8_t array_mid[SAMPLES*8*8*3]; + uint8_t array_out[SAMPLES*8*8+100]; + uint8_t *ain[SWR_CH_MAX]; + uint8_t *aout[SWR_CH_MAX]; + uint8_t *amid[SWR_CH_MAX]; + int flush_i=0; + int mode; + int num_tests = 10000; + uint32_t seed = 0; + uint32_t rand_seed = 0; + int remaining_tests[FF_ARRAY_ELEMS(rates) * FF_ARRAY_ELEMS(layouts) * FF_ARRAY_ELEMS(formats) * FF_ARRAY_ELEMS(layouts) * FF_ARRAY_ELEMS(formats)]; + int max_tests = FF_ARRAY_ELEMS(remaining_tests); + int test; + int specific_test= -1; + + struct SwrContext * forw_ctx= NULL; + struct SwrContext *backw_ctx= NULL; + + if (argc > 1) { + if (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help")) { + av_log(NULL, AV_LOG_INFO, "Usage: swresample-test [<num_tests>[ <test>]] \n" + "num_tests Default is %d\n", num_tests); + return 0; + } + num_tests = strtol(argv[1], NULL, 0); + if(num_tests < 0) { + num_tests = -num_tests; + rand_seed = time(0); + } + if(num_tests<= 0 || num_tests>max_tests) + num_tests = max_tests; + if(argc > 2) { + specific_test = strtol(argv[1], NULL, 0); + } + } + + for(i=0; i<max_tests; i++) + remaining_tests[i] = i; + + for(test=0; test<num_tests; test++){ + unsigned r; + uint_rand(seed); + r = (seed * (uint64_t)(max_tests - test)) >>32; + FFSWAP(int, remaining_tests[r], remaining_tests[max_tests - test - 1]); + } + qsort(remaining_tests + max_tests - num_tests, num_tests, sizeof(remaining_tests[0]), (void*)cmp); + in_sample_rate=16000; + for(test=0; test<num_tests; test++){ + char in_layout_string[256]; + char out_layout_string[256]; + unsigned vector= remaining_tests[max_tests - test - 1]; + int in_ch_count; + int out_count, mid_count, out_ch_count; + + in_ch_layout = layouts[vector % FF_ARRAY_ELEMS(layouts)]; vector /= FF_ARRAY_ELEMS(layouts); + out_ch_layout = layouts[vector % FF_ARRAY_ELEMS(layouts)]; vector /= FF_ARRAY_ELEMS(layouts); + in_sample_fmt = formats[vector % FF_ARRAY_ELEMS(formats)]; vector /= FF_ARRAY_ELEMS(formats); + out_sample_fmt = formats[vector % FF_ARRAY_ELEMS(formats)]; vector /= FF_ARRAY_ELEMS(formats); + out_sample_rate = rates [vector % FF_ARRAY_ELEMS(rates )]; vector /= FF_ARRAY_ELEMS(rates); + av_assert0(!vector); + + if(specific_test == 0){ + if(out_sample_rate != in_sample_rate || in_ch_layout != out_ch_layout) + continue; + } + + in_ch_count= av_get_channel_layout_nb_channels(in_ch_layout); + out_ch_count= av_get_channel_layout_nb_channels(out_ch_layout); + av_get_channel_layout_string( in_layout_string, sizeof( in_layout_string), in_ch_count, in_ch_layout); + av_get_channel_layout_string(out_layout_string, sizeof(out_layout_string), out_ch_count, out_ch_layout); + fprintf(stderr, "TEST: %s->%s, rate:%5d->%5d, fmt:%s->%s\n", + in_layout_string, out_layout_string, + in_sample_rate, out_sample_rate, + av_get_sample_fmt_name(in_sample_fmt), av_get_sample_fmt_name(out_sample_fmt)); + forw_ctx = swr_alloc_set_opts(forw_ctx, out_ch_layout, out_sample_fmt, out_sample_rate, + in_ch_layout, in_sample_fmt, in_sample_rate, + 0, 0); + backw_ctx = swr_alloc_set_opts(backw_ctx, in_ch_layout, in_sample_fmt, in_sample_rate, + out_ch_layout, out_sample_fmt, out_sample_rate, + 0, 0); + if(!forw_ctx) { + fprintf(stderr, "Failed to init forw_cts\n"); + return 1; + } + if(!backw_ctx) { + fprintf(stderr, "Failed to init backw_ctx\n"); + return 1; + } + if(swr_init( forw_ctx) < 0) + fprintf(stderr, "swr_init(->) failed\n"); + if(swr_init(backw_ctx) < 0) + fprintf(stderr, "swr_init(<-) failed\n"); + //FIXME test planar + setup_array(ain , array_in , in_sample_fmt, SAMPLES); + setup_array(amid, array_mid, out_sample_fmt, 3*SAMPLES); + setup_array(aout, array_out, in_sample_fmt , SAMPLES); +#if 0 + for(ch=0; ch<in_ch_count; ch++){ + for(i=0; i<SAMPLES; i++) + set(ain, ch, i, in_ch_count, in_sample_fmt, sin(i*i*3/SAMPLES)); + } +#else + audiogen(ain, in_sample_fmt, in_ch_count, SAMPLES/6+1, SAMPLES); +#endif + mode = uint_rand(rand_seed) % 3; + if(mode==0 /*|| out_sample_rate == in_sample_rate*/) { + mid_count= swr_convert(forw_ctx, amid, 3*SAMPLES, (const uint8_t **)ain, SAMPLES); + } else if(mode==1){ + mid_count= swr_convert(forw_ctx, amid, 0, (const uint8_t **)ain, SAMPLES); + mid_count+=swr_convert(forw_ctx, amid, 3*SAMPLES, (const uint8_t **)ain, 0); + } else { + int tmp_count; + mid_count= swr_convert(forw_ctx, amid, 0, (const uint8_t **)ain, 1); + av_assert0(mid_count==0); + shift(ain, 1, in_ch_count, in_sample_fmt); + mid_count+=swr_convert(forw_ctx, amid, 3*SAMPLES, (const uint8_t **)ain, 0); + shift(amid, mid_count, out_ch_count, out_sample_fmt); tmp_count = mid_count; + mid_count+=swr_convert(forw_ctx, amid, 2, (const uint8_t **)ain, 2); + shift(amid, mid_count-tmp_count, out_ch_count, out_sample_fmt); tmp_count = mid_count; + shift(ain, 2, in_ch_count, in_sample_fmt); + mid_count+=swr_convert(forw_ctx, amid, 1, (const uint8_t **)ain, SAMPLES-3); + shift(amid, mid_count-tmp_count, out_ch_count, out_sample_fmt); tmp_count = mid_count; + shift(ain, -3, in_ch_count, in_sample_fmt); + mid_count+=swr_convert(forw_ctx, amid, 3*SAMPLES, (const uint8_t **)ain, 0); + shift(amid, -tmp_count, out_ch_count, out_sample_fmt); + } + out_count= swr_convert(backw_ctx,aout, SAMPLES, (const uint8_t **)amid, mid_count); + + for(ch=0; ch<in_ch_count; ch++){ + double sse, maxdiff=0; + double sum_a= 0; + double sum_b= 0; + double sum_aa= 0; + double sum_bb= 0; + double sum_ab= 0; + for(i=0; i<out_count; i++){ + double a= get(ain , ch, i, in_ch_count, in_sample_fmt); + double b= get(aout, ch, i, in_ch_count, in_sample_fmt); + sum_a += a; + sum_b += b; + sum_aa+= a*a; + sum_bb+= b*b; + sum_ab+= a*b; + maxdiff= FFMAX(maxdiff, FFABS(a-b)); + } + sse= sum_aa + sum_bb - 2*sum_ab; + if(sse < 0 && sse > -0.00001) sse=0; //fix rounding error + + 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); + } + + flush_i++; + flush_i%=21; + flush_count = swr_convert(backw_ctx,aout, flush_i, 0, 0); + shift(aout, flush_i, in_ch_count, in_sample_fmt); + flush_count+= swr_convert(backw_ctx,aout, SAMPLES-flush_i, 0, 0); + shift(aout, -flush_i, in_ch_count, in_sample_fmt); + if(flush_count){ + for(ch=0; ch<in_ch_count; ch++){ + double sse, maxdiff=0; + double sum_a= 0; + double sum_b= 0; + double sum_aa= 0; + double sum_bb= 0; + double sum_ab= 0; + for(i=0; i<flush_count; i++){ + double a= get(ain , ch, i+out_count, in_ch_count, in_sample_fmt); + double b= get(aout, ch, i, in_ch_count, in_sample_fmt); + sum_a += a; + sum_b += b; + sum_aa+= a*a; + sum_bb+= b*b; + sum_ab+= a*b; + maxdiff= FFMAX(maxdiff, FFABS(a-b)); + } + sse= sum_aa + sum_bb - 2*sum_ab; + if(sse < 0 && sse > -0.00001) sse=0; //fix rounding error + + 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); + } + } + + + fprintf(stderr, "\n"); + } + + return 0; +} |