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authorLennart Poettering <lennart@poettering.net>2007-11-09 02:45:07 +0000
committerLennart Poettering <lennart@poettering.net>2007-11-09 02:45:07 +0000
commit7e0f547f2fd8ddfae1d807334dbc3428a3dfe374 (patch)
tree94464f114e05f6b2689e60b9364a62cfd404c109
parent3c17c7d44284a739ec1453a7470333c73f072eeb (diff)
add support for 32bit integer samples
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@2037 fefdeb5f-60dc-0310-8127-8f9354f1896f
-rw-r--r--src/modules/alsa-util.c14
-rw-r--r--src/modules/oss-util.c2
-rw-r--r--src/pulse/sample.c16
-rw-r--r--src/pulse/sample.h18
-rw-r--r--src/pulsecore/resampler.c4
-rw-r--r--src/pulsecore/sample-util.c61
-rw-r--r--src/pulsecore/sconv-s16be.c15
-rw-r--r--src/pulsecore/sconv-s16be.h20
-rw-r--r--src/pulsecore/sconv-s16le.c131
-rw-r--r--src/pulsecore/sconv-s16le.h20
-rw-r--r--src/pulsecore/sconv.c8
-rw-r--r--src/tests/resampler-test.c27
12 files changed, 319 insertions, 17 deletions
diff --git a/src/modules/alsa-util.c b/src/modules/alsa-util.c
index 906de58d..15ae1fc6 100644
--- a/src/modules/alsa-util.c
+++ b/src/modules/alsa-util.c
@@ -227,15 +227,19 @@ static int set_format(snd_pcm_t *pcm_handle, snd_pcm_hw_params_t *hwparams, pa_s
[PA_SAMPLE_S16BE] = SND_PCM_FORMAT_S16_BE,
[PA_SAMPLE_FLOAT32LE] = SND_PCM_FORMAT_FLOAT_LE,
[PA_SAMPLE_FLOAT32BE] = SND_PCM_FORMAT_FLOAT_BE,
+ [PA_SAMPLE_S32LE] = SND_PCM_FORMAT_S32_LE,
+ [PA_SAMPLE_S32BE] = SND_PCM_FORMAT_S32_BE,
};
static const pa_sample_format_t try_order[] = {
- PA_SAMPLE_S16NE,
- PA_SAMPLE_S16RE,
PA_SAMPLE_FLOAT32NE,
PA_SAMPLE_FLOAT32RE,
- PA_SAMPLE_ULAW,
+ PA_SAMPLE_S32NE,
+ PA_SAMPLE_S32RE,
+ PA_SAMPLE_S16NE,
+ PA_SAMPLE_S16RE,
PA_SAMPLE_ALAW,
+ PA_SAMPLE_ULAW,
PA_SAMPLE_U8,
PA_SAMPLE_INVALID
};
@@ -256,6 +260,10 @@ static int set_format(snd_pcm_t *pcm_handle, snd_pcm_hw_params_t *hwparams, pa_s
*f = PA_SAMPLE_S16LE;
else if (*f == PA_SAMPLE_S16LE)
*f = PA_SAMPLE_S16BE;
+ else if (*f == PA_SAMPLE_S32BE)
+ *f = PA_SAMPLE_S32LE;
+ else if (*f == PA_SAMPLE_S32LE)
+ *f = PA_SAMPLE_S32BE;
else
goto try_auto;
diff --git a/src/modules/oss-util.c b/src/modules/oss-util.c
index 015db4ca..9598feee 100644
--- a/src/modules/oss-util.c
+++ b/src/modules/oss-util.c
@@ -164,6 +164,8 @@ int pa_oss_auto_format(int fd, pa_sample_spec *ss) {
[PA_SAMPLE_S16BE] = AFMT_S16_BE,
[PA_SAMPLE_FLOAT32LE] = AFMT_QUERY, /* not supported */
[PA_SAMPLE_FLOAT32BE] = AFMT_QUERY, /* not supported */
+ [PA_SAMPLE_S32LE] = AFMT_QUERY, /* not supported */
+ [PA_SAMPLE_S32BE] = AFMT_QUERY, /* not supported */
};
pa_assert(fd >= 0);
diff --git a/src/pulse/sample.c b/src/pulse/sample.c
index ae2a0b9f..27c0df03 100644
--- a/src/pulse/sample.c
+++ b/src/pulse/sample.c
@@ -44,7 +44,9 @@ size_t pa_sample_size(const pa_sample_spec *spec) {
[PA_SAMPLE_S16LE] = 2,
[PA_SAMPLE_S16BE] = 2,
[PA_SAMPLE_FLOAT32LE] = 4,
- [PA_SAMPLE_FLOAT32BE] = 4
+ [PA_SAMPLE_FLOAT32BE] = 4,
+ [PA_SAMPLE_S32LE] = 4,
+ [PA_SAMPLE_S32BE] = 4,
};
pa_assert(spec);
@@ -107,6 +109,8 @@ const char *pa_sample_format_to_string(pa_sample_format_t f) {
[PA_SAMPLE_S16BE] = "s16be",
[PA_SAMPLE_FLOAT32LE] = "float32le",
[PA_SAMPLE_FLOAT32BE] = "float32be",
+ [PA_SAMPLE_S32LE] = "s32le",
+ [PA_SAMPLE_S32BE] = "s32be",
};
if (f < 0 || f >= PA_SAMPLE_MAX)
@@ -156,7 +160,7 @@ pa_sample_format_t pa_parse_sample_format(const char *format) {
return PA_SAMPLE_S16RE;
else if (strcasecmp(format, "u8") == 0 || strcasecmp(format, "8") == 0)
return PA_SAMPLE_U8;
- else if (strcasecmp(format, "float32") == 0 || strcasecmp(format, "float32ne") == 0)
+ else if (strcasecmp(format, "float32") == 0 || strcasecmp(format, "float32ne") == 0 || strcasecmp(format, "float") == 0)
return PA_SAMPLE_FLOAT32NE;
else if (strcasecmp(format, "float32re") == 0)
return PA_SAMPLE_FLOAT32RE;
@@ -168,6 +172,14 @@ pa_sample_format_t pa_parse_sample_format(const char *format) {
return PA_SAMPLE_ULAW;
else if (strcasecmp(format, "alaw") == 0)
return PA_SAMPLE_ALAW;
+ else if (strcasecmp(format, "s32le") == 0)
+ return PA_SAMPLE_S32LE;
+ else if (strcasecmp(format, "s32be") == 0)
+ return PA_SAMPLE_S32BE;
+ else if (strcasecmp(format, "s32ne") == 0 || strcasecmp(format, "s32") == 0 || strcasecmp(format, "32") == 0)
+ return PA_SAMPLE_S32NE;
+ else if (strcasecmp(format, "s32re") == 0)
+ return PA_SAMPLE_S32RE;
return -1;
}
diff --git a/src/pulse/sample.h b/src/pulse/sample.h
index b307621e..2c13f57d 100644
--- a/src/pulse/sample.h
+++ b/src/pulse/sample.h
@@ -42,13 +42,15 @@
*
* PulseAudio supports the following sample formats:
*
- * \li PA_SAMPLE_U8 - Unsigned 8 bit PCM.
- * \li PA_SAMPLE_S16LE - Signed 16 bit PCM, little endian.
- * \li PA_SAMPLE_S16BE - Signed 16 bit PCM, big endian.
+ * \li PA_SAMPLE_U8 - Unsigned 8 bit integer PCM.
+ * \li PA_SAMPLE_S16LE - Signed 16 integer bit PCM, little endian.
+ * \li PA_SAMPLE_S16BE - Signed 16 integer bit PCM, big endian.
* \li PA_SAMPLE_FLOAT32LE - 32 bit IEEE floating point PCM, little endian.
* \li PA_SAMPLE_FLOAT32BE - 32 bit IEEE floating point PCM, big endian.
* \li PA_SAMPLE_ALAW - 8 bit a-Law.
* \li PA_SAMPLE_ULAW - 8 bit mu-Law.
+ * \li PA_SAMPLE_S32LE - Signed 32 bit integer PCM, little endian.
+ * \li PA_SAMPLE_S32BE - Signed 32 bit integer PCM, big endian.
*
* The floating point sample formats have the range from -1 to 1.
*
@@ -117,6 +119,8 @@ typedef enum pa_sample_format {
PA_SAMPLE_S16BE, /**< Signed 16 Bit PCM, big endian */
PA_SAMPLE_FLOAT32LE, /**< 32 Bit IEEE floating point, little endian, range -1 to 1 */
PA_SAMPLE_FLOAT32BE, /**< 32 Bit IEEE floating point, big endian, range -1 to 1 */
+ PA_SAMPLE_S32LE, /**< Signed 32 Bit PCM, little endian (PC) */
+ PA_SAMPLE_S32BE, /**< Signed 32 Bit PCM, big endian (PC) */
PA_SAMPLE_MAX, /**< Upper limit of valid sample types */
PA_SAMPLE_INVALID = -1 /**< An invalid value */
} pa_sample_format_t;
@@ -126,19 +130,27 @@ typedef enum pa_sample_format {
#define PA_SAMPLE_S16NE PA_SAMPLE_S16BE
/** 32 Bit IEEE floating point, native endian */
#define PA_SAMPLE_FLOAT32NE PA_SAMPLE_FLOAT32BE
+/** Signed 32 Bit PCM, native endian */
+#define PA_SAMPLE_S32NE PA_SAMPLE_S32BE
/** Signed 16 Bit PCM reverse endian */
#define PA_SAMPLE_S16RE PA_SAMPLE_S16LE
/** 32 Bit IEEE floating point, reverse endian */
#define PA_SAMPLE_FLOAT32RE PA_SAMPLE_FLOAT32LE
+/** Signed 32 Bit PCM reverse endian */
+#define PA_SAMPLE_S32RE PA_SAMPLE_S32LE
#else
/** Signed 16 Bit PCM, native endian */
#define PA_SAMPLE_S16NE PA_SAMPLE_S16LE
/** 32 Bit IEEE floating point, native endian */
#define PA_SAMPLE_FLOAT32NE PA_SAMPLE_FLOAT32LE
+/** Signed 32 Bit PCM, native endian */
+#define PA_SAMPLE_S32NE PA_SAMPLE_S32LE
/** Signed 16 Bit PCM reverse endian */
#define PA_SAMPLE_S16RE PA_SAMPLE_S16BE
/** 32 Bit IEEE floating point, reverse endian */
#define PA_SAMPLE_FLOAT32RE PA_SAMPLE_FLOAT32BE
+/** Signed 32 Bit PCM reverse endian */
+#define PA_SAMPLE_S32RE PA_SAMPLE_S32BE
#endif
/** A Shortcut for PA_SAMPLE_FLOAT32NE */
diff --git a/src/pulsecore/resampler.c b/src/pulsecore/resampler.c
index b4447198..eebc9c04 100644
--- a/src/pulsecore/resampler.c
+++ b/src/pulsecore/resampler.c
@@ -240,7 +240,9 @@ pa_resampler* pa_resampler_new(
if (r->map_required || a->format != b->format) {
- if (a->format == PA_SAMPLE_FLOAT32NE || a->format == PA_SAMPLE_FLOAT32RE ||
+ if (a->format == PA_SAMPLE_S32NE || a->format == PA_SAMPLE_S32RE ||
+ a->format == PA_SAMPLE_FLOAT32NE || a->format == PA_SAMPLE_FLOAT32RE ||
+ b->format == PA_SAMPLE_S32NE || b->format == PA_SAMPLE_S32RE ||
b->format == PA_SAMPLE_FLOAT32NE || b->format == PA_SAMPLE_FLOAT32RE)
r->work_format = PA_SAMPLE_FLOAT32NE;
else
diff --git a/src/pulsecore/sample-util.c b/src/pulsecore/sample-util.c
index 21771302..0383b567 100644
--- a/src/pulsecore/sample-util.c
+++ b/src/pulsecore/sample-util.c
@@ -100,6 +100,8 @@ void pa_silence_memory(void *p, size_t length, const pa_sample_spec *spec) {
break;
case PA_SAMPLE_S16LE:
case PA_SAMPLE_S16BE:
+ case PA_SAMPLE_S32LE:
+ case PA_SAMPLE_S32BE:
case PA_SAMPLE_FLOAT32:
case PA_SAMPLE_FLOAT32RE:
c = 0;
@@ -380,10 +382,10 @@ void pa_volume_memchunk(
t = (int32_t)(*d);
t = (t * linear[channel]) / 0x10000;
- t = CLAMP(t, -0x8000, 0x7FFF);
+ t = PA_CLAMP_UNLIKELY(t, -0x8000, 0x7FFF);
*d = (int16_t) t;
- if (++channel >= spec->channels)
+ if (PA_UNLIKELY(++channel >= spec->channels))
channel = 0;
}
break;
@@ -403,10 +405,57 @@ void pa_volume_memchunk(
t = (int32_t)(PA_INT16_SWAP(*d));
t = (t * linear[channel]) / 0x10000;
- t = CLAMP(t, -0x8000, 0x7FFF);
+ t = PA_CLAMP_UNLIKELY(t, -0x8000, 0x7FFF);
*d = PA_INT16_SWAP((int16_t) t);
- if (++channel >= spec->channels)
+ if (PA_UNLIKELY(++channel >= spec->channels))
+ channel = 0;
+ }
+
+ break;
+ }
+
+ case PA_SAMPLE_S32NE: {
+ int32_t *d;
+ size_t n;
+ unsigned channel;
+ int32_t linear[PA_CHANNELS_MAX];
+
+ for (channel = 0; channel < spec->channels; channel++)
+ linear[channel] = (int32_t) (pa_sw_volume_to_linear(volume->values[channel]) * 0x10000);
+
+ for (channel = 0, d = (int32_t*) ((uint8_t*) ptr + c->index), n = c->length/sizeof(int32_t); n > 0; d++, n--) {
+ int64_t t;
+
+ t = (int64_t)(*d);
+ t = (t * linear[channel]) / 0x10000;
+ t = PA_CLAMP_UNLIKELY(t, -0x80000000LL, 0x7FFFFFFFLL);
+ *d = (int32_t) t;
+
+ if (PA_UNLIKELY(++channel >= spec->channels))
+ channel = 0;
+ }
+ break;
+ }
+
+ case PA_SAMPLE_S32RE: {
+ int32_t *d;
+ size_t n;
+ unsigned channel;
+ int32_t linear[PA_CHANNELS_MAX];
+
+ for (channel = 0; channel < spec->channels; channel++)
+ linear[channel] = (int32_t) (pa_sw_volume_to_linear(volume->values[channel]) * 0x10000);
+
+ for (channel = 0, d = (int32_t*) ((uint8_t*) ptr + c->index), n = c->length/sizeof(int32_t); n > 0; d++, n--) {
+ int64_t t;
+
+ t = (int64_t)(PA_INT32_SWAP(*d));
+ t = (t * linear[channel]) / 0x10000;
+ t = PA_CLAMP_UNLIKELY(t, -0x80000000LL, 0x7FFFFFFFLL);
+ *d = PA_INT32_SWAP((int32_t) t);
+
+ if (PA_UNLIKELY(++channel >= spec->channels))
channel = 0;
}
@@ -427,10 +476,10 @@ void pa_volume_memchunk(
t = (int32_t) *d - 0x80;
t = (t * linear[channel]) / 0x10000;
- t = CLAMP(t, -0x80, 0x7F);
+ t = PA_CLAMP_UNLIKELY(t, -0x80, 0x7F);
*d = (uint8_t) (t + 0x80);
- if (++channel >= spec->channels)
+ if (PA_UNLIKELY(++channel >= spec->channels))
channel = 0;
}
break;
diff --git a/src/pulsecore/sconv-s16be.c b/src/pulsecore/sconv-s16be.c
index f74d0282..638beb2e 100644
--- a/src/pulsecore/sconv-s16be.c
+++ b/src/pulsecore/sconv-s16be.c
@@ -30,12 +30,27 @@
#define INT16_FROM PA_INT16_FROM_BE
#define INT16_TO PA_INT16_TO_BE
+#define INT32_FROM PA_INT32_FROM_BE
+#define INT32_TO PA_INT32_TO_BE
+
#define pa_sconv_s16le_to_float32ne pa_sconv_s16be_to_float32ne
#define pa_sconv_s16le_from_float32ne pa_sconv_s16be_from_float32ne
#define pa_sconv_s16le_to_float32re pa_sconv_s16be_to_float32re
#define pa_sconv_s16le_from_float32re pa_sconv_s16be_from_float32re
+#define pa_sconv_s32le_to_float32ne pa_sconv_s32be_to_float32ne
+#define pa_sconv_s32le_from_float32ne pa_sconv_s32be_from_float32ne
+
+#define pa_sconv_s32le_to_float32re pa_sconv_s32be_to_float32re
+#define pa_sconv_s32le_from_float32re pa_sconv_s32be_from_float32re
+
+#define pa_sconv_s32le_to_s16ne pa_sconv_s32be_to_s16ne
+#define pa_sconv_s32le_from_s16ne pa_sconv_s32be_from_s16ne
+
+#define pa_sconv_s32le_to_s16re pa_sconv_s32be_to_s16re
+#define pa_sconv_s32le_from_s16re pa_sconv_s32be_from_s16re
+
#ifdef WORDS_BIGENDIAN
#define SWAP_WORDS 0
#else
diff --git a/src/pulsecore/sconv-s16be.h b/src/pulsecore/sconv-s16be.h
index ad034489..454c9508 100644
--- a/src/pulsecore/sconv-s16be.h
+++ b/src/pulsecore/sconv-s16be.h
@@ -31,11 +31,31 @@ void pa_sconv_s16be_from_float32ne(unsigned n, const float *a, int16_t *b);
void pa_sconv_s16be_to_float32re(unsigned n, const int16_t *a, float *b);
void pa_sconv_s16be_from_float32re(unsigned n, const float *a, int16_t *b);
+void pa_sconv_s32be_to_float32ne(unsigned n, const int32_t *a, float *b);
+void pa_sconv_s32be_from_float32ne(unsigned n, const float *a, int32_t *b);
+void pa_sconv_s32be_to_float32re(unsigned n, const int32_t *a, float *b);
+void pa_sconv_s32be_from_float32re(unsigned n, const float *a, int32_t *b);
+
+void pa_sconv_s32be_to_s16ne(unsigned n, const int32_t *a, int16_t *b);
+void pa_sconv_s32be_from_s16ne(unsigned n, const int16_t *a, int32_t *b);
+void pa_sconv_s32be_to_s16re(unsigned n, const int32_t *a, int16_t *b);
+void pa_sconv_s32be_from_s16re(unsigned n, const int16_t *a, int32_t *b);
+
#ifdef WORDS_BIGENDIAN
#define pa_sconv_float32be_to_s16ne pa_sconv_s16be_from_float32ne
#define pa_sconv_float32be_from_s16ne pa_sconv_s16be_to_float32ne
#define pa_sconv_float32le_to_s16ne pa_sconv_s16be_from_float32re
#define pa_sconv_float32le_from_s16ne pa_sconv_s16be_to_float32re
+
+#define pa_sconv_float32be_to_s32ne pa_sconv_s32be_from_float32ne
+#define pa_sconv_float32be_from_s32ne pa_sconv_s32be_to_float32ne
+#define pa_sconv_float32le_to_s32ne pa_sconv_s32be_from_float32re
+#define pa_sconv_float32le_from_s32ne pa_sconv_s32be_to_float32re
+
+#define pa_sconv_s16be_to_s32ne pa_sconv_s32be_from_s16ne
+#define pa_sconv_s16be_from_s32ne pa_sconv_s32be_to_s16ne
+#define pa_sconv_s16le_to_s32ne pa_sconv_s32be_from_s16re
+#define pa_sconv_s16le_from_s32ne pa_sconv_s32be_to_s16re
#endif
#endif
diff --git a/src/pulsecore/sconv-s16le.c b/src/pulsecore/sconv-s16le.c
index 6925052c..90e9b6d2 100644
--- a/src/pulsecore/sconv-s16le.c
+++ b/src/pulsecore/sconv-s16le.c
@@ -25,7 +25,10 @@
#include <config.h>
#endif
+/* Despite the name of this file we implement S32 handling here, too. */
+
#include <inttypes.h>
+#include <stdio.h>
#include <liboil/liboilfuncs.h>
@@ -45,6 +48,14 @@
#define INT16_TO PA_INT16_TO_LE
#endif
+#ifndef INT32_FROM
+#define INT32_FROM PA_INT32_FROM_LE
+#endif
+
+#ifndef INT32_TO
+#define INT32_TO PA_INT32_TO_LE
+#endif
+
#ifndef SWAP_WORDS
#ifdef WORDS_BIGENDIAN
#define SWAP_WORDS 1
@@ -72,6 +83,25 @@ void pa_sconv_s16le_to_float32ne(unsigned n, const int16_t *a, float *b) {
#endif
}
+void pa_sconv_s32le_to_float32ne(unsigned n, const int32_t *a, float *b) {
+ pa_assert(a);
+ pa_assert(b);
+
+#if SWAP_WORDS == 1
+
+ for (; n > 0; n--) {
+ int32_t s = *(a++);
+ *(b++) = (float) (((double) INT32_FROM(s))/0x7FFFFFFF);
+ }
+
+#else
+{
+ static const double add = 0, factor = 1.0/0x7FFFFFFF;
+ oil_scaleconv_f32_s32(b, a, n, &add, &factor);
+}
+#endif
+}
+
void pa_sconv_s16le_from_float32ne(unsigned n, const float *a, int16_t *b) {
pa_assert(a);
pa_assert(b);
@@ -82,7 +112,7 @@ void pa_sconv_s16le_from_float32ne(unsigned n, const float *a, int16_t *b) {
int16_t s;
float v = *(a++);
- v = CLAMP(v, -1, 1);
+ v = PA_CLAMP_UNLIKELY(v, -1, 1);
s = (int16_t) (v * 0x7FFF);
*(b++) = INT16_TO(s);
}
@@ -95,6 +125,29 @@ void pa_sconv_s16le_from_float32ne(unsigned n, const float *a, int16_t *b) {
#endif
}
+void pa_sconv_s32le_from_float32ne(unsigned n, const float *a, int32_t *b) {
+ pa_assert(a);
+ pa_assert(b);
+
+#if SWAP_WORDS == 1
+
+ for (; n > 0; n--) {
+ int32_t s;
+ float v = *(a++);
+
+ v = PA_CLAMP_UNLIKELY(v, -1, 1);
+ s = (int32_t) ((double) v * (double) 0x7FFFFFFF);
+ *(b++) = INT32_TO(s);
+ }
+
+#else
+{
+ static const double add = 0, factor = 0x7FFFFFFF;
+ oil_scaleconv_s32_f32(b, a, n, &add, &factor);
+}
+#endif
+}
+
void pa_sconv_s16le_to_float32re(unsigned n, const int16_t *a, float *b) {
pa_assert(a);
pa_assert(b);
@@ -108,6 +161,19 @@ void pa_sconv_s16le_to_float32re(unsigned n, const int16_t *a, float *b) {
}
}
+void pa_sconv_s32le_to_float32re(unsigned n, const int32_t *a, float *b) {
+ pa_assert(a);
+ pa_assert(b);
+
+ for (; n > 0; n--) {
+ int32_t s = *(a++);
+ float k = (float) (((double) INT32_FROM(s))/0x7FFFFFFF);
+ uint32_t *j = (uint32_t*) &k;
+ *j = PA_UINT32_SWAP(*j);
+ *(b++) = k;
+ }
+}
+
void pa_sconv_s16le_from_float32re(unsigned n, const float *a, int16_t *b) {
pa_assert(a);
pa_assert(b);
@@ -117,8 +183,69 @@ void pa_sconv_s16le_from_float32re(unsigned n, const float *a, int16_t *b) {
float v = *(a++);
uint32_t *j = (uint32_t*) &v;
*j = PA_UINT32_SWAP(*j);
- v = CLAMP(v, -1, 1);
+ v = PA_CLAMP_UNLIKELY(v, -1, 1);
s = (int16_t) (v * 0x7FFF);
*(b++) = INT16_TO(s);
}
}
+
+void pa_sconv_s32le_from_float32re(unsigned n, const float *a, int32_t *b) {
+ pa_assert(a);
+ pa_assert(b);
+
+ for (; n > 0; n--) {
+ int32_t s;
+ float v = *(a++);
+ uint32_t *j = (uint32_t*) &v;
+ *j = PA_UINT32_SWAP(*j);
+ v = PA_CLAMP_UNLIKELY(v, -1, 1);
+ s = (int32_t) ((double) v * 0x7FFFFFFF);
+ *(b++) = INT32_TO(s);
+ }
+}
+
+void pa_sconv_s32le_to_s16ne(unsigned n, const int32_t*a, int16_t *b) {
+ pa_assert(a);
+ pa_assert(b);
+
+ for (; n > 0; n--) {
+ *b = (int16_t) (INT32_FROM(*a) >> 16);
+ a++;
+ b++;
+ }
+}
+
+void pa_sconv_s32le_to_s16re(unsigned n, const int32_t*a, int16_t *b) {
+ pa_assert(a);
+ pa_assert(b);
+
+ for (; n > 0; n--) {
+ int16_t s = (int16_t) (INT32_FROM(*a) >> 16);
+ *b = PA_UINT32_SWAP(s);
+ a++;
+ b++;
+ }
+}
+
+void pa_sconv_s32le_from_s16ne(unsigned n, const int16_t *a, int32_t *b) {
+ pa_assert(a);
+ pa_assert(b);
+
+ for (; n > 0; n--) {
+ *b = INT32_TO(((int32_t) *a) << 16);
+ a++;
+ b++;
+ }
+}
+
+void pa_sconv_s32le_from_s16re(unsigned n, const int16_t *a, int32_t *b) {
+ pa_assert(a);
+ pa_assert(b);
+
+ for (; n > 0; n--) {
+ int32_t s = ((int32_t) PA_UINT16_SWAP(*a)) << 16;
+ *b = INT32_TO(s);
+ a++;
+ b++;
+ }
+}
diff --git a/src/pulsecore/sconv-s16le.h b/src/pulsecore/sconv-s16le.h
index 4203315a..4165f8a2 100644
--- a/src/pulsecore/sconv-s16le.h
+++ b/src/pulsecore/sconv-s16le.h
@@ -31,11 +31,31 @@ void pa_sconv_s16le_from_float32ne(unsigned n, const float *a, int16_t *b);
void pa_sconv_s16le_to_float32re(unsigned n, const int16_t *a, float *b);
void pa_sconv_s16le_from_float32re(unsigned n, const float *a, int16_t *b);
+void pa_sconv_s32le_to_float32ne(unsigned n, const int32_t *a, float *b);
+void pa_sconv_s32le_from_float32ne(unsigned n, const float *a, int32_t *b);
+void pa_sconv_s32le_to_float32re(unsigned n, const int32_t *a, float *b);
+void pa_sconv_s32le_from_float32re(unsigned n, const float *a, int32_t *b);
+
+void pa_sconv_s32le_to_s16ne(unsigned n, const int32_t *a, int16_t *b);
+void pa_sconv_s32le_from_s16ne(unsigned n, const int16_t *a, int32_t *b);
+void pa_sconv_s32le_to_s16re(unsigned n, const int32_t *a, int16_t *b);
+void pa_sconv_s32le_from_s16re(unsigned n, const int16_t *a, int32_t *b);
+
#ifndef WORDS_BIGENDIAN
#define pa_sconv_float32be_to_s16ne pa_sconv_s16le_from_float32re
#define pa_sconv_float32be_from_s16ne pa_sconv_s16le_to_float32re
#define pa_sconv_float32le_to_s16ne pa_sconv_s16le_from_float32ne
#define pa_sconv_float32le_from_s16ne pa_sconv_s16le_to_float32ne
+
+#define pa_sconv_float32be_to_s32ne pa_sconv_s32le_from_float32re
+#define pa_sconv_float32be_from_s32ne pa_sconv_s32le_to_float32re
+#define pa_sconv_float32le_to_s32ne pa_sconv_s32le_from_float32ne
+#define pa_sconv_float32le_from_s32ne pa_sconv_s32le_to_float32ne
+
+#define pa_sconv_s16be_to_s32ne pa_sconv_s32le_from_s16re
+#define pa_sconv_s16be_from_s32ne pa_sconv_s32le_to_s16re
+#define pa_sconv_s16le_to_s32ne pa_sconv_s32le_from_s16ne
+#define pa_sconv_s16le_from_s32ne pa_sconv_s32le_to_s16ne
#endif
#endif
diff --git a/src/pulsecore/sconv.c b/src/pulsecore/sconv.c
index 7f5da63f..8a3e830a 100644
--- a/src/pulsecore/sconv.c
+++ b/src/pulsecore/sconv.c
@@ -198,6 +198,8 @@ pa_convert_func_t pa_get_convert_to_float32ne_function(pa_sample_format_t f) {
[PA_SAMPLE_ULAW] = (pa_convert_func_t) ulaw_to_float32ne,
[PA_SAMPLE_S16LE] = (pa_convert_func_t) pa_sconv_s16le_to_float32ne,
[PA_SAMPLE_S16BE] = (pa_convert_func_t) pa_sconv_s16be_to_float32ne,
+ [PA_SAMPLE_S32LE] = (pa_convert_func_t) pa_sconv_s32le_to_float32ne,
+ [PA_SAMPLE_S32BE] = (pa_convert_func_t) pa_sconv_s32be_to_float32ne,
[PA_SAMPLE_FLOAT32NE] = (pa_convert_func_t) float32ne_to_float32ne,
[PA_SAMPLE_FLOAT32RE] = (pa_convert_func_t) float32re_to_float32ne,
};
@@ -214,6 +216,8 @@ pa_convert_func_t pa_get_convert_from_float32ne_function(pa_sample_format_t f) {
[PA_SAMPLE_U8] = (pa_convert_func_t) u8_from_float32ne,
[PA_SAMPLE_S16LE] = (pa_convert_func_t) pa_sconv_s16le_from_float32ne,
[PA_SAMPLE_S16BE] = (pa_convert_func_t) pa_sconv_s16be_from_float32ne,
+ [PA_SAMPLE_S32LE] = (pa_convert_func_t) pa_sconv_s32le_from_float32ne,
+ [PA_SAMPLE_S32BE] = (pa_convert_func_t) pa_sconv_s32be_from_float32ne,
[PA_SAMPLE_FLOAT32NE] = (pa_convert_func_t) float32ne_to_float32ne,
[PA_SAMPLE_FLOAT32RE] = (pa_convert_func_t) float32re_to_float32ne,
[PA_SAMPLE_ALAW] = (pa_convert_func_t) alaw_from_float32ne,
@@ -234,6 +238,8 @@ pa_convert_func_t pa_get_convert_to_s16ne_function(pa_sample_format_t f) {
[PA_SAMPLE_S16RE] = (pa_convert_func_t) s16re_to_s16ne,
[PA_SAMPLE_FLOAT32BE] = (pa_convert_func_t) pa_sconv_float32be_to_s16ne,
[PA_SAMPLE_FLOAT32LE] = (pa_convert_func_t) pa_sconv_float32le_to_s16ne,
+ [PA_SAMPLE_S32BE] = (pa_convert_func_t) pa_sconv_s32be_to_s16ne,
+ [PA_SAMPLE_S32LE] = (pa_convert_func_t) pa_sconv_s32le_to_s16ne,
[PA_SAMPLE_ALAW] = (pa_convert_func_t) alaw_to_s16ne,
[PA_SAMPLE_ULAW] = (pa_convert_func_t) ulaw_to_s16ne
};
@@ -252,6 +258,8 @@ pa_convert_func_t pa_get_convert_from_s16ne_function(pa_sample_format_t f) {
[PA_SAMPLE_S16RE] = (pa_convert_func_t) s16re_to_s16ne,
[PA_SAMPLE_FLOAT32BE] = (pa_convert_func_t) pa_sconv_float32be_from_s16ne,
[PA_SAMPLE_FLOAT32LE] = (pa_convert_func_t) pa_sconv_float32le_from_s16ne,
+ [PA_SAMPLE_S32BE] = (pa_convert_func_t) pa_sconv_s32be_from_s16ne,
+ [PA_SAMPLE_S32LE] = (pa_convert_func_t) pa_sconv_s32le_from_s16ne,
[PA_SAMPLE_ALAW] = (pa_convert_func_t) alaw_from_s16ne,
[PA_SAMPLE_ULAW] = (pa_convert_func_t) ulaw_from_s16ne,
};
diff --git a/src/tests/resampler-test.c b/src/tests/resampler-test.c
index 3b4a7386..5295995b 100644
--- a/src/tests/resampler-test.c
+++ b/src/tests/resampler-test.c
@@ -71,6 +71,16 @@ static void dump_block(const pa_sample_spec *ss, const pa_memchunk *chunk) {
break;
}
+ case PA_SAMPLE_S32NE:
+ case PA_SAMPLE_S32RE: {
+ uint32_t *u = d;
+
+ for (i = 0; i < chunk->length / pa_frame_size(ss); i++)
+ printf("0x%08x ", *(u++));
+
+ break;
+ }
+
case PA_SAMPLE_FLOAT32NE:
case PA_SAMPLE_FLOAT32RE: {
float *u = d;
@@ -137,6 +147,23 @@ static pa_memblock* generate_block(pa_mempool *pool, const pa_sample_spec *ss) {
break;
}
+ case PA_SAMPLE_S32NE:
+ case PA_SAMPLE_S32RE: {
+ uint32_t *u = d;
+
+ u[0] = 0x00000001;
+ u[1] = 0xFFFF0002;
+ u[2] = 0x7FFF0003;
+ u[3] = 0x80000004;
+ u[4] = 0x9fff0005;
+ u[5] = 0x3fff0006;
+ u[6] = 0x10007;
+ u[7] = 0xF0000008;
+ u[8] = 0x200009;
+ u[9] = 0x21000A;
+ break;
+ }
+
case PA_SAMPLE_FLOAT32NE:
case PA_SAMPLE_FLOAT32RE: {
float *u = d;