1 files changed, 56 insertions, 0 deletions
diff --git a/media/libspeex_resampler/hugemem.patch b/media/libspeex_resampler/hugemem.patch
new file mode 100644
index 000000000..4e1f5baa6
--- /dev/null
+++ b/media/libspeex_resampler/hugemem.patch
@@ -0,0 +1,56 @@
+diff --git a/media/libspeex_resampler/src/resample.c b/media/libspeex_resampler/src/resample.c
+--- a/media/libspeex_resampler/src/resample.c
++++ b/media/libspeex_resampler/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);}
+ #include "speex_resampler.h"
+ #include "arch.h"
+ #else /* OUTSIDE_SPEEX */
+@@ -632,25 +634,26 @@ 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;
+    }
+    
+-   /* Choose the resampling type that requires the least amount of memory */
+-#ifdef RESAMPLE_FULL_SINC_TABLE
+-   use_direct = 1;
+-   if (INT_MAX/sizeof(spx_word16_t)/st->den_rate < st->filt_len)
+-      goto fail;
++   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
+-   use_direct = st->filt_len*st->den_rate <= st->filt_len*st->oversample+8
++      /* 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;
+-#endif
+    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;