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(swr_init( forw_ctx) < 0) fprintf(stderr, "swr_init(->) failed\n"); if(swr_init(backw_ctx) < 0) fprintf(stderr, "swr_init(<-) failed\n"); if(!forw_ctx) fprintf(stderr, "Failed to init forw_cts\n"); if(!backw_ctx) fprintf(stderr, "Failed to init backw_ctx\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", sqrt(sse/out_count), 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; }