Displaying 8 results from an estimated 8 matches for "istride_sav".
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istride_save
2013 Dec 20
2
Scaling fix for float input
...esample.c b/libspeex/resample.c
--- a/libspeex/resample.c 2013-12-20 17:40:27.326576921 +0500
+++ b/libspeex/resample.c 2013-12-20 17:40:16.918577087 +0500
@@ -915,7 +915,7 @@
if (in) {
for(j=0;j<ichunk;++j)
#ifdef FIXED_POINT
- x[j+st->filt_len-1]=WORD2INT(in[j*istride_save]);
+ x[j+st->filt_len-1]=WORD2INT(32768.*in[j*istride_save]);
#else
x[j+st->filt_len-1]=in[j*istride_save];
#endif
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2009 Aug 05
0
Bug in libspeexdsp resampler
...some more
clever way to fix it deeper in the code, but this seems to work. The
changed functions follow.
John Ridges
EXPORT int speex_resampler_process_interleaved_float(SpeexResamplerState
*st, const float *in, spx_uint32_t *in_len, float *out, spx_uint32_t
*out_len)
{
spx_uint32_t i;
int istride_save, ostride_save;
spx_uint32_t bak_in_len = *in_len;
spx_uint32_t bak_out_len = *out_len;
istride_save = st->in_stride;
ostride_save = st->out_stride;
st->in_stride = st->out_stride = st->nb_channels;
for (i=0;i<st->nb_channels;i++)
{
*in_len = bak_in_len;
*out_len = bak_out_len;...
2008 May 03
2
Resampler (no api)
...t;mem_alloc_size;
+ spx_word16_t *mem = st->mem + channel_index * st->mem_alloc_size;
+ spx_uint32_t ilen;
+
st->started = 1;
- /* Handle the case where we have samples left from a reduction in filter length */
- if (st->magic_samples[channel_index])
- {
- int istride_save;
- spx_uint32_t tmp_in_len;
- spx_uint32_t tmp_magic;
-
- istride_save = st->in_stride;
- tmp_in_len = st->magic_samples[channel_index];
- tmp_out_len = *out_len;
- /* magic_samples needs to be set to zero to avoid infinite recursion */
- tmp_magic =...
2008 May 03
0
Resampler, memory only variant
...t;mem_alloc_size;
+ spx_word16_t *mem = st->mem + channel_index * st->mem_alloc_size;
+ spx_uint32_t ilen;
+
st->started = 1;
- /* Handle the case where we have samples left from a reduction in filter length */
- if (st->magic_samples[channel_index])
- {
- int istride_save;
- spx_uint32_t tmp_in_len;
- spx_uint32_t tmp_magic;
-
- istride_save = st->in_stride;
- tmp_in_len = st->magic_samples[channel_index];
- tmp_out_len = *out_len;
- /* magic_samples needs to be set to zero to avoid infinite recursion */
- tmp_magic =...
2012 May 02
1
[PATCH] resample: Fix input indexing bug from interleaved functions
...sertions(+), 4 deletions(-)
diff --git a/libspeex/resample.c b/libspeex/resample.c
index 7957c61..d59508d 100644
--- a/libspeex/resample.c
+++ b/libspeex/resample.c
@@ -970,13 +970,15 @@ EXPORT int speex_resampler_process_interleaved_float(SpeexResamplerState *st, co
{
spx_uint32_t i;
int istride_save, ostride_save;
- spx_uint32_t bak_len = *out_len;
+ spx_uint32_t bak_out_len = *out_len;
+ spx_uint32_t bak_in_len = *in_len;
istride_save = st->in_stride;
ostride_save = st->out_stride;
st->in_stride = st->out_stride = st->nb_channels;
for (i=0;i<st->nb_...
2019 Jun 14
0
resample of libopusenc-0.2.1 outputs all zeros if define FIXED_POINT
...14159265358979323846
+#define M_PI 3.14159265358979323846f
#endif
#define IMAX(a,b) ((a) > (b) ? (a) : (b))
@@ -1000,7 +1000,8 @@ EXPORT int speex_resampler_process_int(S
if (in) {
for(j=0;j<ichunk;++j)
#ifdef FIXED_POINT
- x[j+st->filt_len-1]=WORD2INT(in[j*istride_save]);
+ /* [-1.0, 1.0] ==> [-32768, 32767] */
+ x[j+st->filt_len-1]=WORD2INT(32768 * in[j*istride_save]);
#else
x[j+st->filt_len-1]=in[j*istride_save];
#endif
@@ -1017,7 +1018,8 @@ EXPORT int speex_resampler_process_int(S
for (j=0;j<ochunk+omagic;...
2008 Mar 29
0
GCC/ELF Visibility patch
...x_uint32_t channel_index, const float *in, spx_uint32_t *in_len, float *out, spx_uint32_t *out_len)
+EXPORT int speex_resampler_process_float(SpeexResamplerState *st, spx_uint32_t channel_index, const float *in, spx_uint32_t *in_len, float *out, spx_uint32_t *out_len)
{
spx_uint32_t i;
int istride_save, ostride_save;
@@ -920,16 +920,16 @@
#endif
return RESAMPLER_ERR_SUCCESS;
}
-int speex_resampler_process_int(SpeexResamplerState *st, spx_uint32_t channel_index, const spx_int16_t *in, spx_uint32_t *in_len, spx_int16_t *out, spx_uint32_t *out_len)
+EXPORT int speex_resampler_process_int(Spee...
2008 Mar 29
2
GCC/ELF Visibility patch (fwd)
...x_uint32_t channel_index, const float *in, spx_uint32_t *in_len, float *out, spx_uint32_t *out_len)
+EXPORT int speex_resampler_process_float(SpeexResamplerState *st, spx_uint32_t channel_index, const float *in, spx_uint32_t *in_len, float *out, spx_uint32_t *out_len)
{
spx_uint32_t i;
int istride_save, ostride_save;
@@ -920,16 +920,16 @@
#endif
return RESAMPLER_ERR_SUCCESS;
}
-int speex_resampler_process_int(SpeexResamplerState *st, spx_uint32_t channel_index, const spx_int16_t *in, spx_uint32_t *in_len, spx_int16_t *out, spx_uint32_t *out_len)
+EXPORT int speex_resampler_process_int(Spee...