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default window to tukey(0.5) instead of hann

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This commit is contained in:
Josh Coalson
2006-05-01 05:58:35 +00:00
parent c4fe269a90
commit 8238936980
2 changed files with 6 additions and 4 deletions
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4
include/FLAC/stream_encoder.h
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@@ -523,7 +523,7 @@ FLAC_API FLAC__bool FLAC__stream_encoder_set_blocksize(FLAC__StreamEncoder *enco
*
* Any function that is specified erroneously is silently dropped. Up
* to 32 functions are kept, the rest are dropped. If the specification
* is empty the encoder defaults to \c "hann".
* is empty the encoder defaults to \c "tukey(0.5)".
*
* When more than one function is specified, then for every subframe the
* encoder will try each of them separately and choose the window that
@@ -532,7 +532,7 @@ FLAC_API FLAC__bool FLAC__stream_encoder_set_blocksize(FLAC__StreamEncoder *enco
* Note that each function specified causes the encoder to occupy a
* floating point array in which to store the window.
*
* \default \c "hann"
* \default \c "tukey(0.5)"
* \param encoder An encoder instance to set.
* \param specification See above.
* \assert

6
src/libFLAC/stream_encoder.c
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@@ -1168,7 +1168,8 @@ FLAC_API FLAC__bool FLAC__stream_encoder_set_apodization(FLAC__StreamEncoder *en
}
if(encoder->protected_->num_apodizations == 0) {
encoder->protected_->num_apodizations = 1;
encoder->protected_->apodizations[0].type = FLAC__APODIZATION_HANN;
encoder->protected_->apodizations[0].type = FLAC__APODIZATION_TUKEY;
encoder->protected_->apodizations[0].parameters.tukey.p = 0.5;
}
#ifdef WINDOW_DEBUG_OUTPUT
{unsigned n;for(n=0;n<encoder->protected_->num_apodizations;n++)fprintf(stderr,"@@@@@@ parsed apodization[%zu]: %s\n",n,winstr[encoder->protected_->apodizations[n].type]);}
@@ -1764,7 +1765,8 @@ void set_defaults_(FLAC__StreamEncoder *encoder)
encoder->protected_->blocksize = 1152;
#ifndef FLAC__INTEGER_ONLY_LIBRARY
encoder->protected_->num_apodizations = 1;
encoder->protected_->apodizations[0].type = FLAC__APODIZATION_HANN;
encoder->protected_->apodizations[0].type = FLAC__APODIZATION_TUKEY;
encoder->protected_->apodizations[0].parameters.tukey.p = 0.5;
#endif
encoder->protected_->max_lpc_order = 0;
encoder->protected_->qlp_coeff_precision = 0;