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tune libsoxr

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This commit is contained in:
philippe44
2019-06-22 21:36:49 -07:00
parent 701c30a99b
commit 463d66f6ac
3 changed files with 10 additions and 7 deletions
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1
.gitignore vendored
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@@ -64,3 +64,4 @@ $RECYCLE.BIN/
libs/
/cdump.cmd
/_codecs

BIN
components/codecs/lib/libsoxr.a
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Binary file not shown.

16
main/resample.c
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@@ -190,6 +190,7 @@ bool resample_newstream(struct processstate *process, unsigned raw_sample_rate,
#if BYTES_PER_FRAME == 4
io_spec = SOXR(r, io_spec, SOXR_INT16_I, SOXR_INT16_I);
io_spec.flags = SOXR_NO_DITHER;
#else
io_spec = SOXR(r, io_spec, SOXR_INT32_I, SOXR_INT32_I);
#endif
@@ -208,7 +209,7 @@ bool resample_newstream(struct processstate *process, unsigned raw_sample_rate,
if (r->q_phase_response > -1) {
q_spec.phase_response = r->q_phase_response;
}
#if RESAMPLE_MP
r_spec = SOXR(r, runtime_spec, 0); // make use of libsoxr OpenMP support allowing parallel execution if multiple cores
#endif
@@ -307,22 +308,23 @@ bool resample_init(char *opt) {
phase_response = next_param(NULL, ':');
}
#if BYTES_PER_FRAME == 4
// default to LQ (16 bit) if not user specified
r->q_recipe = SOXR_LQ;
// default to LQ (16 bits) if not user specified
r->q_recipe = SOXR_LQ | SOXR_MINIMUM_PHASE;
r->q_flags = SOXR_ROLLOFF_NONE;
r->q_phase_response = 0;
#else
// default to HQ (20 bit) if not user specified
// default to HQ (20 bits) if not user specified
r->q_recipe = SOXR_HQ;
#endif
r->q_flags = 0;
r->q_phase_response = -1;
#endif
// default to 1db of attenuation if not user specified
r->scale = pow(10, -1.0 / 20);
// override recipe derived values with user specified values
r->q_precision = 0;
r->q_passband_end = 0;
r->q_stopband_begin = 0;
r->q_phase_response = -1;
if (recipe && recipe[0] != '\0') {
if (strchr(recipe, 'v')) r->q_recipe = SOXR_VHQ;