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diff --git a/src/resample.c b/src/resample.c
--- a/src/resample.c
+++ b/src/resample.c
@@ -56,16 +56,18 @@
(e.g. 2/3), and get rid of the rounding operations in the inner loop.
The latter both reduces CPU time and makes the algorithm more SIMD-friendly.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
+#define RESAMPLE_HUGEMEM 1
+
#ifdef OUTSIDE_SPEEX
#include <stdlib.h>
static void *speex_alloc(int size) {return calloc(size,1);}
static void *speex_realloc(void *ptr, int size) {return realloc(ptr, size);}
static void speex_free(void *ptr) {free(ptr);}
#ifndef EXPORT
#define EXPORT
#endif
@@ -633,25 +645,26 @@ static int update_filter(SpeexResamplerS
st->oversample >>= 1;
if (st->oversample < 1)
st->oversample = 1;
} else {
/* up-sampling */
st->cutoff = quality_map[st->quality].upsample_bandwidth;
}
-#ifdef RESAMPLE_FULL_SINC_TABLE
- use_direct = 1;
- if (INT_MAX/sizeof(spx_word16_t)/st->den_rate < st->filt_len)
- goto fail;
-#else
- /* Choose the resampling type that requires the least amount of memory */
- use_direct = st->filt_len*st->den_rate <= st->filt_len*st->oversample+8
- && INT_MAX/sizeof(spx_word16_t)/st->den_rate >= st->filt_len;
+ use_direct =
+#ifdef RESAMPLE_HUGEMEM
+ /* Choose the direct resampler, even with higher initialization costs,
+ when resampling any multiple of 100 to 44100. */
+ st->den_rate <= 441
+#else
+ /* Choose the resampling type that requires the least amount of memory */
+ st->filt_len*st->den_rate <= st->filt_len*st->oversample+8
#endif
+ && INT_MAX/sizeof(spx_word16_t)/st->den_rate >= st->filt_len;
if (use_direct)
{
min_sinc_table_length = st->filt_len*st->den_rate;
} else {
if ((INT_MAX/sizeof(spx_word16_t)-8)/st->oversample < st->filt_len)
goto fail;
min_sinc_table_length = st->filt_len*st->oversample+8;