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Diffstat (limited to '')
| -rw-r--r-- | spa/plugins/audioconvert/test-resample.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/spa/plugins/audioconvert/test-resample.c b/spa/plugins/audioconvert/test-resample.c new file mode 100644 index 0000000..4f11f53 --- /dev/null +++ b/spa/plugins/audioconvert/test-resample.c @@ -0,0 +1,177 @@ +/* Spa + * + * Copyright © 2019 Wim Taymans + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include <string.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <errno.h> +#include <time.h> + +#include <spa/support/log-impl.h> +#include <spa/debug/mem.h> + +SPA_LOG_IMPL(logger); + +#include "resample.h" + +#define N_SAMPLES 253 +#define N_CHANNELS 11 + +static float samp_in[N_SAMPLES * 4]; +static float samp_out[N_SAMPLES * 4]; + +static void feed_1(struct resample *r) +{ + uint32_t i; + const void *src[1]; + void *dst[1]; + + spa_zero(samp_out); + src[0] = samp_in; + dst[0] = samp_out; + + for (i = 0; i < 500; i++) { + uint32_t in, out; + + in = out = 1; + samp_in[0] = i; + resample_process(r, src, &in, dst, &out); + fprintf(stderr, "%d %d %f %d\n", i, in, samp_out[0], out); + } +} + +static void test_native(void) +{ + struct resample r; + + spa_zero(r); + r.log = &logger.log; + r.channels = 1; + r.i_rate = 44100; + r.o_rate = 44100; + r.quality = RESAMPLE_DEFAULT_QUALITY; + resample_native_init(&r); + + feed_1(&r); + resample_free(&r); + + spa_zero(r); + r.log = &logger.log; + r.channels = 1; + r.i_rate = 44100; + r.o_rate = 48000; + r.quality = RESAMPLE_DEFAULT_QUALITY; + resample_native_init(&r); + + feed_1(&r); + resample_free(&r); +} + +static void pull_blocks(struct resample *r, uint32_t first, uint32_t size) +{ + uint32_t i; + float in[SPA_MAX(size, first) * 2]; + float out[SPA_MAX(size, first) * 2]; + const void *src[1]; + void *dst[1]; + uint32_t in_len, out_len; + uint32_t pin_len, pout_len; + + src[0] = in; + dst[0] = out; + + for (i = 0; i < 500; i++) { + pout_len = out_len = i == 0 ? first : size; + pin_len = in_len = resample_in_len(r, out_len); + + resample_process(r, src, &pin_len, dst, &pout_len); + + fprintf(stderr, "%d: %d %d %d %d %d\n", i, + in_len, pin_len, out_len, pout_len, + resample_in_len(r, size)); + + spa_assert_se(in_len == pin_len); + spa_assert_se(out_len == pout_len); + } +} + +static void test_in_len(void) +{ + struct resample r; + + spa_zero(r); + r.log = &logger.log; + r.channels = 1; + r.i_rate = 32000; + r.o_rate = 48000; + r.quality = RESAMPLE_DEFAULT_QUALITY; + resample_native_init(&r); + + pull_blocks(&r, 1024, 1024); + resample_free(&r); + + spa_zero(r); + r.log = &logger.log; + r.channels = 1; + r.i_rate = 44100; + r.o_rate = 48000; + r.quality = RESAMPLE_DEFAULT_QUALITY; + resample_native_init(&r); + + pull_blocks(&r, 1024, 1024); + resample_free(&r); + + spa_zero(r); + r.log = &logger.log; + r.channels = 1; + r.i_rate = 48000; + r.o_rate = 44100; + r.quality = RESAMPLE_DEFAULT_QUALITY; + resample_native_init(&r); + + pull_blocks(&r, 1024, 1024); + resample_free(&r); + + spa_zero(r); + r.log = &logger.log; + r.channels = 1; + r.i_rate = 44100; + r.o_rate = 48000; + r.quality = RESAMPLE_DEFAULT_QUALITY; + resample_native_init(&r); + + pull_blocks(&r, 513, 64); + resample_free(&r); +} + +int main(int argc, char *argv[]) +{ + logger.log.level = SPA_LOG_LEVEL_TRACE; + + test_native(); + test_in_len(); + + return 0; +} |