diff options
author | Daniel Mack <daniel@caiaq.de> | 2009-09-14 16:25:35 +0800 |
---|---|---|
committer | Daniel Mack <daniel@caiaq.de> | 2009-09-14 16:25:35 +0800 |
commit | bebaa491650c48697b861ec5e76816e9af1a8803 (patch) | |
tree | b57d38476473f8fc6e282f8c39f730c936fa10d4 /src/tests | |
parent | c6d330ef91ce401660f907536b1bfd0591c14c2a (diff) | |
parent | 180ef1eebdfbdf0220af1fb5e4bf43e348207cde (diff) |
Merge branch 'master' of git://0pointer.de/pulseaudio
Diffstat (limited to 'src/tests')
-rw-r--r-- | src/tests/envelope-test.c | 3 | ||||
-rw-r--r-- | src/tests/get-binary-name-test.c | 25 | ||||
-rw-r--r-- | src/tests/interpol-test.c | 81 | ||||
-rw-r--r-- | src/tests/mix-test.c | 81 | ||||
-rw-r--r-- | src/tests/remix-test.c | 3 | ||||
-rw-r--r-- | src/tests/resampler-test.c | 3 | ||||
-rw-r--r-- | src/tests/stripnul.c | 2 | ||||
-rw-r--r-- | src/tests/usergroup-test.c | 161 | ||||
-rw-r--r-- | src/tests/voltest.c | 70 |
9 files changed, 353 insertions, 76 deletions
diff --git a/src/tests/envelope-test.c b/src/tests/envelope-test.c index 3af3044e..9382040b 100644 --- a/src/tests/envelope-test.c +++ b/src/tests/envelope-test.c @@ -34,8 +34,6 @@ #include <pulsecore/memblock.h> #include <pulsecore/sample-util.h> -#include <liboil/liboil.h> - const pa_envelope_def ramp_down = { .n_points = 2, .points_x = { 100*PA_USEC_PER_MSEC, 300*PA_USEC_PER_MSEC }, @@ -202,7 +200,6 @@ int main(int argc, char *argv[]) { .values = { PA_VOLUME_NORM, PA_VOLUME_NORM/2 } }; - oil_init(); pa_log_set_level(PA_LOG_DEBUG); pa_assert_se(pool = pa_mempool_new(FALSE, 0)); diff --git a/src/tests/get-binary-name-test.c b/src/tests/get-binary-name-test.c index a34e38fd..e49f2eff 100644 --- a/src/tests/get-binary-name-test.c +++ b/src/tests/get-binary-name-test.c @@ -23,12 +23,33 @@ #include <limits.h> #include <stdio.h> +#include <string.h> #include <pulse/util.h> +#include <pulse/xmalloc.h> int main(int argc, char *argv[]) { - char exename[PATH_MAX]; + char *exename; + size_t allocated = 128; + + for (;;) { + exename = pa_xmalloc(allocated); + + if (!pa_get_binary_name(exename, allocated)) { + printf("failed to read binary name\n"); + pa_xfree(exename); + break; + } + + if (strlen(exename) < allocated - 1) { + printf("%s\n", exename); + pa_xfree(exename); + break; + } + + pa_xfree(exename); + allocated *= 2; + } - printf("%s\n", pa_get_binary_name(exename, sizeof(exename))); return 0; } diff --git a/src/tests/interpol-test.c b/src/tests/interpol-test.c index 0c906d3e..007555c3 100644 --- a/src/tests/interpol-test.c +++ b/src/tests/interpol-test.c @@ -43,20 +43,37 @@ static pa_context *context = NULL; static pa_stream *stream = NULL; static pa_mainloop_api *mainloop_api = NULL; static pa_bool_t playback = TRUE; +static pa_usec_t latency = 0; static void stream_write_cb(pa_stream *p, size_t nbytes, void *userdata) { /* Just some silence */ - pa_assert_se(pa_stream_write(p, pa_xmalloc0(nbytes), nbytes, pa_xfree, 0, PA_SEEK_RELATIVE) == 0); + + for (;;) { + void *data; + + pa_assert_se((nbytes = pa_stream_writable_size(p)) != (size_t) -1); + + if (nbytes <= 0) + break; + + pa_assert_se(pa_stream_begin_write(p, &data, &nbytes) == 0); + pa_memzero(data, nbytes); + pa_assert_se(pa_stream_write(p, data, nbytes, NULL, 0, PA_SEEK_RELATIVE) == 0); + } } static void stream_read_cb(pa_stream *p, size_t nbytes, void *userdata) { - /* We don't care, just drop the data */ + /* We don't care about the data, just drop it */ - while (pa_stream_readable_size(p) > 0) { - const void *d; - size_t b; + for (;;) { + const void *data; - pa_assert_se(pa_stream_peek(p, &d, &b) == 0); + pa_assert_se((nbytes = pa_stream_readable_size(p)) != (size_t) -1); + + if (nbytes <= 0) + break; + + pa_assert_se(pa_stream_peek(p, &data, &nbytes) == 0); pa_assert_se(pa_stream_drop(p) == 0); } } @@ -82,27 +99,36 @@ static void context_state_callback(pa_context *c, void *userdata) { case PA_CONTEXT_READY: { pa_stream_flags_t flags = PA_STREAM_AUTO_TIMING_UPDATE; - + pa_buffer_attr attr; static const pa_sample_spec ss = { .format = PA_SAMPLE_S16LE, .rate = 44100, .channels = 2 }; + pa_zero(attr); + attr.maxlength = (uint32_t) -1; + attr.tlength = latency > 0 ? (uint32_t) pa_usec_to_bytes(latency, &ss) : (uint32_t) -1; + attr.prebuf = (uint32_t) -1; + attr.minreq = (uint32_t) -1; + attr.fragsize = (uint32_t) -1; + #ifdef INTERPOLATE flags |= PA_STREAM_INTERPOLATE_TIMING; #endif + if (latency > 0) + flags |= PA_STREAM_ADJUST_LATENCY; + fprintf(stderr, "Connection established.\n"); - stream = pa_stream_new(c, "interpol-test", &ss, NULL); - assert(stream); + pa_assert_se(stream = pa_stream_new(c, "interpol-test", &ss, NULL)); if (playback) { - pa_assert_se(pa_stream_connect_playback(stream, NULL, NULL, flags, NULL, NULL) == 0); + pa_assert_se(pa_stream_connect_playback(stream, NULL, &attr, flags, NULL, NULL) == 0); pa_stream_set_write_callback(stream, stream_write_cb, NULL); } else { - pa_assert_se(pa_stream_connect_record(stream, NULL, NULL, flags) == 0); + pa_assert_se(pa_stream_connect_record(stream, NULL, &attr, flags) == 0); pa_stream_set_read_callback(stream, stream_read_cb, NULL); } @@ -123,7 +149,7 @@ static void context_state_callback(pa_context *c, void *userdata) { int main(int argc, char *argv[]) { pa_threaded_mainloop* m = NULL; - int k, r; + int k; struct timeval start, last_info = { 0, 0 }; pa_usec_t old_t = 0, old_rtc = 0; #ifdef CORK @@ -134,24 +160,22 @@ int main(int argc, char *argv[]) { playback = argc <= 1 || !pa_streq(argv[1], "-r"); - /* Set up a new main loop */ - m = pa_threaded_mainloop_new(); - assert(m); - - mainloop_api = pa_threaded_mainloop_get_api(m); + latency = + (argc >= 2 && !pa_streq(argv[1], "-r")) ? atoi(argv[1]) : + (argc >= 3 ? atoi(argv[2]) : 0); - context = pa_context_new(mainloop_api, argv[0]); - assert(context); + /* Set up a new main loop */ + pa_assert_se(m = pa_threaded_mainloop_new()); + pa_assert_se(mainloop_api = pa_threaded_mainloop_get_api(m)); + pa_assert_se(context = pa_context_new(mainloop_api, argv[0])); pa_context_set_state_callback(context, context_state_callback, NULL); - r = pa_context_connect(context, NULL, 0, NULL); - assert(r >= 0); + pa_assert_se(pa_context_connect(context, NULL, 0, NULL) >= 0); pa_gettimeofday(&start); - r = pa_threaded_mainloop_start(m); - assert(r >= 0); + pa_assert_se(pa_threaded_mainloop_start(m) >= 0); /* #ifdef CORK */ for (k = 0; k < 20000; k++) @@ -160,7 +184,7 @@ int main(int argc, char *argv[]) { /* #endif */ { pa_bool_t success = FALSE, changed = FALSE; - pa_usec_t t, rtc; + pa_usec_t t, rtc, d; struct timeval now, tv; pa_bool_t playing = FALSE; @@ -169,7 +193,8 @@ int main(int argc, char *argv[]) { if (stream) { const pa_timing_info *info; - if (pa_stream_get_time(stream, &t) >= 0) + if (pa_stream_get_time(stream, &t) >= 0 && + pa_stream_get_latency(stream, &d, NULL) >= 0) success = TRUE; if ((info = pa_stream_get_timing_info(stream))) { @@ -191,14 +216,16 @@ int main(int argc, char *argv[]) { pa_bool_t cork_now; #endif rtc = pa_timeval_diff(&now, &start); - printf("%i\t%llu\t%llu\t%llu\t%llu\t%lli\t%u\t%u\n", k, + printf("%i\t%llu\t%llu\t%llu\t%llu\t%lli\t%u\t%u\t%llu\t%llu\n", k, (unsigned long long) rtc, (unsigned long long) t, (unsigned long long) (rtc-old_rtc), (unsigned long long) (t-old_t), (signed long long) rtc - (signed long long) t, changed, - playing); + playing, + (unsigned long long) latency, + (unsigned long long) d); fflush(stdout); old_t = t; diff --git a/src/tests/mix-test.c b/src/tests/mix-test.c index c7a30d67..457c4acd 100644 --- a/src/tests/mix-test.c +++ b/src/tests/mix-test.c @@ -32,8 +32,6 @@ #include <pulsecore/memblock.h> #include <pulsecore/sample-util.h> -#include <liboil/liboil.h> - static float swap_float(float a) { uint32_t *b = (uint32_t*) &a; *b = PA_UINT32_SWAP(*b); @@ -69,6 +67,8 @@ static void dump_block(const pa_sample_spec *ss, const pa_memchunk *chunk) { break; } + case PA_SAMPLE_S24_32NE: + case PA_SAMPLE_S24_32RE: case PA_SAMPLE_S32NE: case PA_SAMPLE_S32RE: { uint32_t *u = d; @@ -83,8 +83,10 @@ static void dump_block(const pa_sample_spec *ss, const pa_memchunk *chunk) { case PA_SAMPLE_S24RE: { uint8_t *u = d; - for (i = 0; i < chunk->length / pa_frame_size(ss); i++) - printf("0x%02x%02x%02xx ", *(u++), *(u++), *(u++)); + for (i = 0; i < chunk->length / pa_frame_size(ss); i++) { + printf("0x%02x%02x%02xx ", *u, *(u+1), *(u+2)); + u += 3; + } break; } @@ -123,66 +125,72 @@ static pa_memblock* generate_block(pa_mempool *pool, const pa_sample_spec *ss) { case PA_SAMPLE_U8: case PA_SAMPLE_ULAW: case PA_SAMPLE_ALAW: { - static const uint8_t u8_samples[] = - { 0x00, 0xFF, 0x7F, 0x80, 0x9f, - 0x3f, 0x01, 0xF0, 0x20, 0x21 }; + static const uint8_t u8_samples[] = { + 0x00, 0xFF, 0x7F, 0x80, 0x9f, + 0x3f, 0x01, 0xF0, 0x20, 0x21 + }; - memcpy(d, &u8_samples[0], sizeof(u8_samples)); + memcpy(d, u8_samples, sizeof(u8_samples)); break; } case PA_SAMPLE_S16NE: case PA_SAMPLE_S16RE: { - static const uint16_t u16_samples[] = - { 0x0000, 0xFFFF, 0x7FFF, 0x8000, 0x9fff, - 0x3fff, 0x0001, 0xF000, 0x0020, 0x0021 }; + static const uint16_t u16_samples[] = { + 0x0000, 0xFFFF, 0x7FFF, 0x8000, 0x9fff, + 0x3fff, 0x0001, 0xF000, 0x0020, 0x0021 + }; - memcpy(d, &u16_samples[0], sizeof(u16_samples)); + memcpy(d, u16_samples, sizeof(u16_samples)); break; } + case PA_SAMPLE_S24_32NE: + case PA_SAMPLE_S24_32RE: case PA_SAMPLE_S32NE: case PA_SAMPLE_S32RE: { - static const uint32_t u32_samples[] = - { 0x00000001, 0xFFFF0002, 0x7FFF0003, 0x80000004, 0x9fff0005, - 0x3fff0006, 0x00010007, 0xF0000008, 0x00200009, 0x0021000A }; + static const uint32_t u32_samples[] = { + 0x00000001, 0xFFFF0002, 0x7FFF0003, 0x80000004, 0x9fff0005, + 0x3fff0006, 0x00010007, 0xF0000008, 0x00200009, 0x0021000A + }; - memcpy(d, &u32_samples[0], sizeof(u32_samples)); + memcpy(d, u32_samples, sizeof(u32_samples)); break; } case PA_SAMPLE_S24NE: case PA_SAMPLE_S24RE: { - /* Need to be on a byte array because they are not aligned */ - static const uint8_t u24_samples[] = - { 0x00, 0x00, 0x01, - 0xFF, 0xFF, 0x02, - 0x7F, 0xFF, 0x03, - 0x80, 0x00, 0x04, - 0x9f, 0xff, 0x05, - 0x3f, 0xff, 0x06, - 0x01, 0x00, 0x07, - 0xF0, 0x00, 0x08, - 0x20, 0x00, 0x09, - 0x21, 0x00, 0x0A }; - - memcpy(d, &u24_samples[0], sizeof(u24_samples)); + /* Need to be on a byte array because they are not aligned */ + static const uint8_t u24_samples[] = { + 0x00, 0x00, 0x01, + 0xFF, 0xFF, 0x02, + 0x7F, 0xFF, 0x03, + 0x80, 0x00, 0x04, + 0x9f, 0xff, 0x05, + 0x3f, 0xff, 0x06, + 0x01, 0x00, 0x07, + 0xF0, 0x00, 0x08, + 0x20, 0x00, 0x09, + 0x21, 0x00, 0x0A + }; + + memcpy(d, u24_samples, sizeof(u24_samples)); break; } case PA_SAMPLE_FLOAT32NE: case PA_SAMPLE_FLOAT32RE: { float *u = d; - static const float float_samples[] = - { 0.0f, -1.0f, 1.0f, 4711.0f, 0.222f, - 0.33f, -.3f, 99.0f, -0.555f, -.123f }; + static const float float_samples[] = { + 0.0f, -1.0f, 1.0f, 4711.0f, 0.222f, + 0.33f, -.3f, 99.0f, -0.555f, -.123f + }; if (ss->format == PA_SAMPLE_FLOAT32RE) { for (i = 0; i < 10; i++) u[i] = swap_float(float_samples[i]); - } else { - memcpy(d, &float_samples[0], sizeof(float_samples)); - } + } else + memcpy(d, float_samples, sizeof(float_samples)); break; } @@ -201,7 +209,6 @@ int main(int argc, char *argv[]) { pa_sample_spec a; pa_cvolume v; - oil_init(); pa_log_set_level(PA_LOG_DEBUG); pa_assert_se(pool = pa_mempool_new(FALSE, 0)); diff --git a/src/tests/remix-test.c b/src/tests/remix-test.c index 9d110d6b..4990bf93 100644 --- a/src/tests/remix-test.c +++ b/src/tests/remix-test.c @@ -32,8 +32,6 @@ #include <pulsecore/memblock.h> #include <pulsecore/sample-util.h> -#include <liboil/liboil.h> - int main(int argc, char *argv[]) { static const pa_channel_map maps[] = { @@ -55,7 +53,6 @@ int main(int argc, char *argv[]) { unsigned i, j; pa_mempool *pool; - oil_init(); pa_log_set_level(PA_LOG_DEBUG); pa_assert_se(pool = pa_mempool_new(FALSE, 0)); diff --git a/src/tests/resampler-test.c b/src/tests/resampler-test.c index 7236265a..82198b5e 100644 --- a/src/tests/resampler-test.c +++ b/src/tests/resampler-test.c @@ -32,8 +32,6 @@ #include <pulsecore/memblock.h> #include <pulsecore/sample-util.h> -#include <liboil/liboil.h> - static void dump_block(const pa_sample_spec *ss, const pa_memchunk *chunk) { void *d; unsigned i; @@ -248,7 +246,6 @@ int main(int argc, char *argv[]) { pa_sample_spec a, b; pa_cvolume v; - oil_init(); pa_log_set_level(PA_LOG_DEBUG); pa_assert_se(pool = pa_mempool_new(FALSE, 0)); diff --git a/src/tests/stripnul.c b/src/tests/stripnul.c index 1d8c4938..d677ad20 100644 --- a/src/tests/stripnul.c +++ b/src/tests/stripnul.c @@ -31,7 +31,7 @@ int main(int argc, char *argv[]) { FILE *i, *o; size_t granularity; - pa_bool_t found; + pa_bool_t found = FALSE; uint8_t *zero; pa_assert_se(argc >= 2); diff --git a/src/tests/usergroup-test.c b/src/tests/usergroup-test.c new file mode 100644 index 00000000..a48b016d --- /dev/null +++ b/src/tests/usergroup-test.c @@ -0,0 +1,161 @@ +/*** + This file is part of PulseAudio. + + Copyright 2009 Ted Percival + + PulseAudio is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + PulseAudio 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with PulseAudio; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + USA. +***/ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> +#include <pwd.h> +#include <grp.h> +#include <errno.h> + +#include <pulsecore/usergroup.h> + +static int load_reference_structs(struct group **gr, struct passwd **pw) { + setpwent(); + *pw = getpwent(); + endpwent(); + + setgrent(); + *gr = getgrent(); + endgrent(); + + return (*gr && *pw) ? 0 : 1; +} + +static int compare_group(const struct group *a, const struct group *b) { + char **amem, **bmem; + + if (strcmp(a->gr_name, b->gr_name)) { + fprintf(stderr, "Group name mismatch: [%s] [%s]\n", + a->gr_name, b->gr_name); + return 1; + } + + if (strcmp(a->gr_passwd, b->gr_passwd)) { + fprintf(stderr, "Group password mismatch: [%s] [%s]\n", + a->gr_passwd, b->gr_passwd); + return 1; + } + + if (a->gr_gid != b->gr_gid) { + fprintf(stderr, "Gid mismatch: [%lu] [%lu]\n", + (unsigned long) a->gr_gid, (unsigned long) b->gr_gid); + return 1; + } + + /* XXX: Assuming the group ordering is identical. */ + for (amem = a->gr_mem, bmem = b->gr_mem; *amem && *bmem; ++amem, ++bmem) { + if (strcmp(*amem, *bmem)) { + fprintf(stderr, "Group member mismatch: [%s] [%s]\n", + *amem, *bmem); + return 1; + } + } + + if (*amem || *bmem) { + fprintf(stderr, "Mismatched group count\n"); + return 1; + } + + return 0; +} + +static int compare_passwd(const struct passwd *a, const struct passwd *b) { + if (strcmp(a->pw_name, b->pw_name)) { + fprintf(stderr, "pw_name mismatch: [%s] [%s]\n", a->pw_name, b->pw_name); + return 1; + } + + if (strcmp(a->pw_passwd, b->pw_passwd)) { + fprintf(stderr, "pw_passwd mismatch: [%s] [%s]\n", a->pw_passwd, b->pw_passwd); + return 1; + } + + if (a->pw_uid != b->pw_uid) { + fprintf(stderr, "pw_uid mismatch: [%lu] [%lu]\n", + (unsigned long) a->pw_uid, (unsigned long) b->pw_uid); + return 1; + } + + if (a->pw_gid != b->pw_gid) { + fprintf(stderr, "pw_gid mismatch: [%lu] [%lu]\n", + (unsigned long) a->pw_gid, (unsigned long) b->pw_gid); + return 1; + } + + if (strcmp(a->pw_gecos, b->pw_gecos)) { + fprintf(stderr, "pw_gecos mismatch: [%s] [%s]\n", a->pw_gecos, b->pw_gecos); + return 1; + } + + if (strcmp(a->pw_dir, b->pw_dir)) { + fprintf(stderr, "pw_dir mismatch: [%s] [%s]\n", a->pw_dir, b->pw_dir); + return 1; + } + + if (strcmp(a->pw_shell, b->pw_shell)) { + fprintf(stderr, "pw_shell mismatch: [%s] [%s]\n", a->pw_shell, b->pw_shell); + return 1; + } + + return 0; +} + +int main(int argc, char *argv[]) { + struct group *gr; + struct passwd *pw; + int err; + struct group *reference_group = NULL; + struct passwd *reference_passwd = NULL; + + err = load_reference_structs(&reference_group, &reference_passwd); + if (err) + return 77; + + errno = 0; + gr = pa_getgrgid_malloc(reference_group->gr_gid); + if (compare_group(reference_group, gr)) + return 1; + pa_getgrgid_free(gr); + + errno = 0; + gr = pa_getgrnam_malloc(reference_group->gr_name); + if (compare_group(reference_group, gr)) + return 1; + pa_getgrnam_free(gr); + + errno = 0; + pw = pa_getpwuid_malloc(reference_passwd->pw_uid); + if (compare_passwd(reference_passwd, pw)) + return 1; + pa_getpwuid_free(pw); + + errno = 0; + pw = pa_getpwnam_malloc(reference_passwd->pw_name); + if (compare_passwd(reference_passwd, pw)) + return 1; + pa_getpwnam_free(pw); + + return 0; +} diff --git a/src/tests/voltest.c b/src/tests/voltest.c index 2dcfa53c..551f7ecd 100644 --- a/src/tests/voltest.c +++ b/src/tests/voltest.c @@ -1,13 +1,40 @@ +/*** + This file is part of PulseAudio. + + PulseAudio is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published + by the Free Software Foundation; either version 2.1 of the License, + or (at your option) any later version. + + PulseAudio 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 Lesser General Public License + along with PulseAudio; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + USA. +***/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + #include <stdio.h> #include <pulse/volume.h> #include <pulse/gccmacro.h> +#include <pulsecore/macro.h> + int main(int argc, char *argv[]) { pa_volume_t v; pa_cvolume cv; float b; pa_channel_map map; + pa_volume_t md = 0; + unsigned mdn = 0; printf("Attenuation of sample 1 against 32767: %g dB\n", 20.0*log10(1.0/32767.0)); printf("Smallest possible attenutation > 0 applied to 32767: %li\n", lrint(32767.0*pa_sw_volume_to_linear(1))); @@ -60,5 +87,48 @@ int main(int argc, char *argv[]) { printf("After: volume: [%s]; balance: %2.1f (intended: %2.1f) %s\n", pa_cvolume_snprint(s, sizeof(s), &r), k, b, k < b-.05 || k > b+.5 ? "MISMATCH" : ""); } + for (v = PA_VOLUME_MUTED; v <= PA_VOLUME_NORM*2; v += 51) { + + double l = pa_sw_volume_to_linear(v); + pa_volume_t k = pa_sw_volume_from_linear(l); + double db = pa_sw_volume_to_dB(v); + pa_volume_t r = pa_sw_volume_from_dB(db); + pa_volume_t w; + + pa_assert(k == v); + pa_assert(r == v); + + for (w = PA_VOLUME_MUTED; w < PA_VOLUME_NORM*2; w += 37) { + + double t = pa_sw_volume_to_linear(w); + double db2 = pa_sw_volume_to_dB(w); + pa_volume_t p, p1, p2; + double q, qq; + + p = pa_sw_volume_multiply(v, w); + qq = db + db2; + p2 = pa_sw_volume_from_dB(qq); + q = l*t; + p1 = pa_sw_volume_from_linear(q); + + if (p2 > p && p2 - p > md) + md = p2 - p; + if (p2 < p && p - p2 > md) + md = p - p2; + if (p1 > p && p1 - p > md) + md = p1 - p; + if (p1 < p && p - p1 > md) + md = p - p1; + + if (p1 != p || p2 != p) + mdn++; + } + } + + printf("max deviation: %lu n=%lu\n", (unsigned long) md, (unsigned long) mdn); + + pa_assert(md <= 1); + pa_assert(mdn <= 251); + return 0; } |