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add support for 24bit packed samples

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This commit is contained in:
Lennart Poettering 2009-01-16 03:15:39 +01:00
parent 9955398fda
commit 6dc76d1158
15 changed files with 370 additions and 32 deletions
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8
src/modules/alsa/alsa-util.c
View file

@ -232,6 +232,8 @@ static int set_format(snd_pcm_t *pcm_handle, snd_pcm_hw_params_t *hwparams, pa_s
[PA_SAMPLE_FLOAT32BE] = SND_PCM_FORMAT_FLOAT_BE,
[PA_SAMPLE_S32LE] = SND_PCM_FORMAT_S32_LE,
[PA_SAMPLE_S32BE] = SND_PCM_FORMAT_S32_BE,
[PA_SAMPLE_S24LE] = SND_PCM_FORMAT_S24_3LE,
[PA_SAMPLE_S24BE] = SND_PCM_FORMAT_S24_3BE,
};
static const pa_sample_format_t try_order[] = {
@ -239,6 +241,8 @@ static int set_format(snd_pcm_t *pcm_handle, snd_pcm_hw_params_t *hwparams, pa_s
PA_SAMPLE_FLOAT32RE,
PA_SAMPLE_S32NE,
PA_SAMPLE_S32RE,
PA_SAMPLE_S24NE,
PA_SAMPLE_S24RE,
PA_SAMPLE_S16NE,
PA_SAMPLE_S16RE,
PA_SAMPLE_ALAW,
@ -259,6 +263,10 @@ static int set_format(snd_pcm_t *pcm_handle, snd_pcm_hw_params_t *hwparams, pa_s
*f = PA_SAMPLE_FLOAT32LE;
else if (*f == PA_SAMPLE_FLOAT32LE)
*f = PA_SAMPLE_FLOAT32BE;
else if (*f == PA_SAMPLE_S24BE)
*f = PA_SAMPLE_S24LE;
else if (*f == PA_SAMPLE_S24LE)
*f = PA_SAMPLE_S24BE;
else if (*f == PA_SAMPLE_S16BE)
*f = PA_SAMPLE_S16LE;
else if (*f == PA_SAMPLE_S16LE)

2
src/modules/oss/oss-util.c
View file

@ -164,6 +164,8 @@ int pa_oss_auto_format(int fd, pa_sample_spec *ss) {
[PA_SAMPLE_FLOAT32BE] = AFMT_QUERY, /* not supported */
[PA_SAMPLE_S32LE] = AFMT_QUERY, /* not supported */
[PA_SAMPLE_S32BE] = AFMT_QUERY, /* not supported */
[PA_SAMPLE_S24LE] = AFMT_QUERY, /* not supported */
[PA_SAMPLE_S24BE] = AFMT_QUERY, /* not supported */
};
pa_assert(fd >= 0);

16
src/pulse/sample.c
View file

@ -48,6 +48,8 @@ size_t pa_sample_size(const pa_sample_spec *spec) {
[PA_SAMPLE_FLOAT32BE] = 4,
[PA_SAMPLE_S32LE] = 4,
[PA_SAMPLE_S32BE] = 4,
[PA_SAMPLE_S24LE] = 3,
[PA_SAMPLE_S24BE] = 3
};
pa_assert(spec);
@ -125,6 +127,8 @@ const char *pa_sample_format_to_string(pa_sample_format_t f) {
[PA_SAMPLE_FLOAT32BE] = "float32be",
[PA_SAMPLE_S32LE] = "s32le",
[PA_SAMPLE_S32BE] = "s32be",
[PA_SAMPLE_S24LE] = "s24le",
[PA_SAMPLE_S24BE] = "s24be",
};
if (f < 0 || f >= PA_SAMPLE_MAX)
@ -194,8 +198,16 @@ pa_sample_format_t pa_parse_sample_format(const char *format) {
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;
else if (strcasecmp(format, "s24re") == 0)
return PA_SAMPLE_S24RE;
else if (strcasecmp(format, "s24le") == 0)
return PA_SAMPLE_S24LE;
else if (strcasecmp(format, "s24be") == 0)
return PA_SAMPLE_S24BE;
else if (strcasecmp(format, "s24ne") == 0 || strcasecmp(format, "s24") == 0 || strcasecmp(format, "24") == 0)
return PA_SAMPLE_S24NE;
else if (strcasecmp(format, "s24re") == 0)
return PA_SAMPLE_S24RE;
return -1;
}

26
src/pulse/sample.h
View file

@ -51,6 +51,8 @@
* \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.
* \li PA_SAMPLE_242LE - Signed 24 bit integer PCM packed, little endian.
* \li PA_SAMPLE_242BE - Signed 24 bit integer PCM packed, big endian.
*
* The floating point sample formats have the range from -1.0 to 1.0.
*
@ -145,7 +147,13 @@ typedef enum pa_sample_format {
/**< Signed 32 Bit PCM, little endian (PC) */
PA_SAMPLE_S32BE,
/**< Signed 32 Bit PCM, big endian (PC) */
/**< Signed 32 Bit PCM, big endian */
PA_SAMPLE_S24LE,
/**< Signed 24 Bit PCM packed, little endian (PC) */
PA_SAMPLE_S24BE,
/**< Signed 24 Bit PCM packed, big endian */
PA_SAMPLE_MAX,
/**< Upper limit of valid sample types */
@ -161,12 +169,16 @@ typedef enum pa_sample_format {
#define PA_SAMPLE_FLOAT32NE PA_SAMPLE_FLOAT32BE
/** Signed 32 Bit PCM, native endian */
#define PA_SAMPLE_S32NE PA_SAMPLE_S32BE
/** Signed 24 Bit PCM packed, native endian */
#define PA_SAMPLE_S24NE PA_SAMPLE_S24BE
/** 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 */
/** Signed 32 Bit PCM, reverse endian */
#define PA_SAMPLE_S32RE PA_SAMPLE_S32LE
/** Signed 24 Bit PCM, packed reverse endian */
#define PA_SAMPLE_S24RE PA_SAMPLE_242LE
#else
/** Signed 16 Bit PCM, native endian */
#define PA_SAMPLE_S16NE PA_SAMPLE_S16LE
@ -174,12 +186,16 @@ typedef enum pa_sample_format {
#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 */
/** Signed 24 Bit PCM packed, native endian */
#define PA_SAMPLE_S24NE PA_SAMPLE_S24LE
/** 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 */
/** Signed 32 Bit PCM, reverse endian */
#define PA_SAMPLE_S32RE PA_SAMPLE_S32BE
/** Signed 24 Bit PCM packed, reverse endian */
#define PA_SAMPLE_S24RE PA_SAMPLE_S24BE
#endif
/** A Shortcut for PA_SAMPLE_FLOAT32NE */
@ -196,6 +212,8 @@ typedef enum pa_sample_format {
#define PA_SAMPLE_FLOAT32BE PA_SAMPLE_FLOAT32BE
#define PA_SAMPLE_S32LE PA_SAMPLE_S32LE
#define PA_SAMPLE_S32BE PA_SAMPLE_S32BE
#define PA_SAMPLE_S24LE PA_SAMPLE_S24LE
#define PA_SAMPLE_S24BE PA_SAMPLE_S24BE
/** \endcond */
/** A sample format and attribute specification */

1
src/pulse/stream.c
View file

@ -87,6 +87,7 @@ pa_stream *pa_stream_new_with_proplist(
PA_CHECK_VALIDITY_RETURN_NULL(c, ss && pa_sample_spec_valid(ss), PA_ERR_INVALID);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 12 || (ss->format != PA_SAMPLE_S32LE && ss->format != PA_SAMPLE_S32BE), PA_ERR_NOTSUPPORTED);
PA_CHECK_VALIDITY_RETURN_NULL(c, c->version >= 15 || (ss->format != PA_SAMPLE_S24LE && ss->format != PA_SAMPLE_S24BE), PA_ERR_NOTSUPPORTED);
PA_CHECK_VALIDITY_RETURN_NULL(c, !map || (pa_channel_map_valid(map) && map->channels == ss->channels), PA_ERR_INVALID);
PA_CHECK_VALIDITY_RETURN_NULL(c, name || (p && pa_proplist_contains(p, PA_PROP_MEDIA_NAME)), PA_ERR_INVALID);

38
src/pulsecore/endianmacros.h
View file

@ -45,6 +45,32 @@
#define PA_UINT32_SWAP(x) ( (uint32_t) ( ((uint32_t) (x) >> 24) | ((uint32_t) (x) << 24) | (((uint32_t) (x) & 0xFF00) << 8) | ((((uint32_t) (x)) >> 8) & 0xFF00) ) )
#endif
static inline uint32_t PA_READ24LE(const uint8_t *p) {
return
((uint32_t) p[0] << 16) |
((uint32_t) p[1] << 8) |
((uint32_t) p[2]);
}
static inline uint32_t PA_READ24BE(const uint8_t *p) {
return
((uint32_t) p[2] << 16) |
((uint32_t) p[1] << 8) |
((uint32_t) p[0]);
}
static inline void PA_WRITE24LE(uint8_t *p, uint32_t u) {
p[0] = (uint8_t) (u >> 16);
p[1] = (uint8_t) (u >> 8);
p[2] = (uint8_t) u;
}
static inline void PA_WRITE24BE(uint8_t *p, uint32_t u) {
p[2] = (uint8_t) (u >> 16);
p[1] = (uint8_t) (u >> 8);
p[0] = (uint8_t) u;
}
static inline float PA_FLOAT32_SWAP(float x) {
union {
float f;
@ -91,6 +117,12 @@ static inline float PA_FLOAT32_SWAP(float x) {
#define PA_FLOAT32_TO_LE(x) PA_FLOAT32_SWAP(x)
#define PA_FLOAT32_TO_BE(x) ((float) (x))
#define PA_READ24NE(x) PA_READ24BE(x)
#define PA_WRITE24NE(x,y) PA_WRITE24BE((x),(y))
#define PA_READ24RE(x) PA_READ24LE(x)
#define PA_WRITE24RE(x,y) PA_WRITE24LE((x),(y))
#else
#define PA_INT16_FROM_LE(x) ((int16_t)(x))
#define PA_INT16_FROM_BE(x) PA_INT16_SWAP(x)
@ -118,6 +150,12 @@ static inline float PA_FLOAT32_SWAP(float x) {
#define PA_FLOAT32_TO_LE(x) ((float) (x))
#define PA_FLOAT32_TO_BE(x) PA_FLOAT32_SWAP(x)
#define PA_READ24NE(x) PA_READ24LE(x)
#define PA_WRITE24NE(x,y) PA_WRITE24LE((x),(y))
#define PA_READ24RE(x) PA_READ24BE(x)
#define PA_WRITE24RE(x,y) PA_WRITE24BE((x),(y))
#endif
#endif

1
src/pulsecore/envelope.c
View file

@ -600,7 +600,6 @@ void pa_envelope_apply(pa_envelope *e, pa_memchunk *chunk) {
switch (e->sample_spec.format) {
case PA_SAMPLE_U8: {
uint8_t *t;

7
src/pulsecore/protocol-native.c
View file

@ -2640,6 +2640,13 @@ static void fixup_sample_spec(pa_native_connection *c, pa_sample_spec *fixed, co
if (fixed->format == PA_SAMPLE_S32BE)
fixed->format = PA_SAMPLE_FLOAT32BE;
}
if (c->version < 15) {
if (fixed->format == PA_SAMPLE_S24LE)
fixed->format = PA_SAMPLE_FLOAT32LE;
if (fixed->format == PA_SAMPLE_S24BE)
fixed->format = PA_SAMPLE_FLOAT32BE;
}
}
static void sink_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_sink *sink) {

4
src/pulsecore/resampler.c
View file

@ -257,8 +257,10 @@ pa_resampler* pa_resampler_new(
if (a->format == PA_SAMPLE_S32NE || a->format == PA_SAMPLE_S32RE ||
a->format == PA_SAMPLE_FLOAT32NE || a->format == PA_SAMPLE_FLOAT32RE ||
a->format == PA_SAMPLE_S24NE || a->format == PA_SAMPLE_S24RE ||
b->format == PA_SAMPLE_S32NE || b->format == PA_SAMPLE_S32RE ||
b->format == PA_SAMPLE_FLOAT32NE || b->format == PA_SAMPLE_FLOAT32RE)
b->format == PA_SAMPLE_FLOAT32NE || b->format == PA_SAMPLE_FLOAT32RE ||
b->format == PA_SAMPLE_S24NE || b->format == PA_SAMPLE_S24RE)
r->work_format = PA_SAMPLE_FLOAT32NE;
else
r->work_format = PA_SAMPLE_S16NE;

123
src/pulsecore/sample-util.c
View file

@ -83,6 +83,8 @@ static uint8_t silence_byte(pa_sample_format_t format) {
case PA_SAMPLE_S32BE:
case PA_SAMPLE_FLOAT32LE:
case PA_SAMPLE_FLOAT32BE:
case PA_SAMPLE_S24LE:
case PA_SAMPLE_S24BE:
return 0;
case PA_SAMPLE_ALAW:
return 0xd5;
@ -340,6 +342,78 @@ size_t pa_mix(
break;
}
case PA_SAMPLE_S24NE: {
unsigned channel = 0;
calc_linear_integer_stream_volumes(streams, nstreams, volume, spec);
while (data < end) {
int64_t sum = 0;
unsigned i;
for (i = 0; i < nstreams; i++) {
pa_mix_info *m = streams + i;
int32_t cv = m->linear[channel].i;
int64_t v;
if (PA_UNLIKELY(cv <= 0))
continue;
v = (int32_t) (PA_READ24NE(m->ptr) << 8);
v = (v * cv) / 0x10000;
sum += v;
m->ptr = (uint8_t*) m->ptr + 3;
}
sum = PA_CLAMP_UNLIKELY(sum, -0x80000000LL, 0x7FFFFFFFLL);
PA_WRITE24NE(data, ((uint32_t) sum) >> 8);
data = (uint8_t*) data + 3;
if (PA_UNLIKELY(++channel >= spec->channels))
channel = 0;
}
break;
}
case PA_SAMPLE_S24RE: {
unsigned channel = 0;
calc_linear_integer_stream_volumes(streams, nstreams, volume, spec);
while (data < end) {
int64_t sum = 0;
unsigned i;
for (i = 0; i < nstreams; i++) {
pa_mix_info *m = streams + i;
int32_t cv = m->linear[channel].i;
int64_t v;
if (PA_UNLIKELY(cv <= 0))
continue;
v = (int32_t) (PA_READ24RE(m->ptr) << 8);
v = (v * cv) / 0x10000;
sum += v;
m->ptr = (uint8_t*) m->ptr + 3;
}
sum = PA_CLAMP_UNLIKELY(sum, -0x80000000LL, 0x7FFFFFFFLL);
PA_WRITE24RE(data, ((uint32_t) sum) >> 8);
data = (uint8_t*) data + 3;
if (PA_UNLIKELY(++channel >= spec->channels))
channel = 0;
}
break;
}
case PA_SAMPLE_U8: {
unsigned channel = 0;
@ -642,7 +716,52 @@ void pa_volume_memchunk(
if (PA_UNLIKELY(++channel >= spec->channels))
channel = 0;
}
break;
}
case PA_SAMPLE_S24NE: {
uint8_t *d, *e;
unsigned channel;
int32_t linear[PA_CHANNELS_MAX];
calc_linear_integer_volume(linear, volume);
e = (uint8_t*) ptr + c->length/3;
for (channel = 0, d = ptr; d < e; d++) {
int64_t t;
t = (int64_t)((int32_t) (PA_READ24NE(d) << 8));
t = (t * linear[channel]) / 0x10000;
t = PA_CLAMP_UNLIKELY(t, -0x80000000LL, 0x7FFFFFFFLL);
PA_WRITE24NE(d, ((uint32_t) (int32_t) t) >> 8);
if (PA_UNLIKELY(++channel >= spec->channels))
channel = 0;
}
break;
}
case PA_SAMPLE_S24RE: {
uint8_t *d, *e;
unsigned channel;
int32_t linear[PA_CHANNELS_MAX];
calc_linear_integer_volume(linear, volume);
e = (uint8_t*) ptr + c->length/3;
for (channel = 0, d = ptr; d < e; d++) {
int64_t t;
t = (int64_t)((int32_t) (PA_READ24RE(d) << 8));
t = (t * linear[channel]) / 0x10000;
t = PA_CLAMP_UNLIKELY(t, -0x80000000LL, 0x7FFFFFFFLL);
PA_WRITE24RE(d, ((uint32_t) (int32_t) t) >> 8);
if (PA_UNLIKELY(++channel >= spec->channels))
channel = 0;
}
break;
}
@ -900,12 +1019,16 @@ pa_memchunk* pa_silence_memchunk_get(pa_silence_cache *cache, pa_mempool *pool,
case PA_SAMPLE_S16BE:
case PA_SAMPLE_S32LE:
case PA_SAMPLE_S32BE:
case PA_SAMPLE_S24LE:
case PA_SAMPLE_S24BE:
case PA_SAMPLE_FLOAT32LE:
case PA_SAMPLE_FLOAT32BE:
cache->blocks[PA_SAMPLE_S16LE] = b = silence_memblock_new(pool, 0);
cache->blocks[PA_SAMPLE_S16BE] = pa_memblock_ref(b);
cache->blocks[PA_SAMPLE_S32LE] = pa_memblock_ref(b);
cache->blocks[PA_SAMPLE_S32BE] = pa_memblock_ref(b);
cache->blocks[PA_SAMPLE_S24LE] = pa_memblock_ref(b);
cache->blocks[PA_SAMPLE_S24BE] = pa_memblock_ref(b);
cache->blocks[PA_SAMPLE_FLOAT32LE] = pa_memblock_ref(b);
cache->blocks[PA_SAMPLE_FLOAT32BE] = pa_memblock_ref(b);
break;

16
src/pulsecore/sconv-s16be.c
View file

@ -31,24 +31,34 @@
#define INT32_FROM PA_INT32_FROM_BE
#define INT32_TO PA_INT32_TO_BE
#define READ24 PA_READ24BE
#define WRITE24 PA_WRITE24BE
#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_s24le_to_float32ne pa_sconv_s24be_to_float32ne
#define pa_sconv_s24le_from_float32ne pa_sconv_s24be_from_float32ne
#define pa_sconv_s24le_to_float32re pa_sconv_s24be_to_float32re
#define pa_sconv_s24le_from_float32re pa_sconv_s24be_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
#define pa_sconv_s24le_to_s16ne pa_sconv_s24be_to_s16ne
#define pa_sconv_s24le_from_s16ne pa_sconv_s24be_from_s16ne
#define pa_sconv_s24le_to_s16re pa_sconv_s24be_to_s16re
#define pa_sconv_s24le_from_s16re pa_sconv_s24be_from_s16re
#ifdef WORDS_BIGENDIAN
#define SWAP_WORDS 0
#else

20
src/pulsecore/sconv-s16be.h
View file

@ -34,26 +34,26 @@ 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_s24be_to_float32ne(unsigned n, const uint8_t *a, float *b);
void pa_sconv_s24be_from_float32ne(unsigned n, const float *a, uint8_t *b);
void pa_sconv_s24be_to_float32re(unsigned n, const uint8_t *a, float *b);
void pa_sconv_s24be_from_float32re(unsigned n, const float *a, uint8_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);
void pa_sconv_s24be_to_s16ne(unsigned n, const uint8_t *a, int16_t *b);
void pa_sconv_s24be_from_s16ne(unsigned n, const int16_t *a, uint8_t *b);
void pa_sconv_s24be_to_s16re(unsigned n, const uint8_t *a, int16_t *b);
void pa_sconv_s24be_from_s16re(unsigned n, const int16_t *a, uint8_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

112
src/pulsecore/sconv-s16le.c
View file

@ -23,7 +23,7 @@
#include <config.h>
#endif
/* Despite the name of this file we implement S32 handling here, too. */
/* Despite the name of this file we implement S32 and S24 handling here, too. */
#include <inttypes.h>
#include <stdio.h>
@ -54,6 +54,14 @@
#define INT32_TO PA_INT32_TO_LE
#endif
#ifndef READ24
#define READ24 PA_READ24LE
#endif
#ifndef WRITE24
#define WRITE24 PA_WRITE24LE
#endif
#ifndef SWAP_WORDS
#ifdef WORDS_BIGENDIAN
#define SWAP_WORDS 1
@ -243,3 +251,105 @@ void pa_sconv_s32le_from_s16re(unsigned n, const int16_t *a, int32_t *b) {
b++;
}
}
void pa_sconv_s24le_to_s16ne(unsigned n, const uint8_t *a, int16_t *b) {
pa_assert(a);
pa_assert(b);
for (; n > 0; n--) {
*b = (int16_t) (READ24(a) >> 8);
a += 3;
b++;
}
}
void pa_sconv_s24le_from_s16ne(unsigned n, const int16_t *a, uint8_t *b) {
pa_assert(a);
pa_assert(b);
for (; n > 0; n--) {
WRITE24(b, ((uint32_t) *a) << 8);
a++;
b += 3;
}
}
void pa_sconv_s24le_to_s16re(unsigned n, const uint8_t *a, int16_t *b) {
pa_assert(a);
pa_assert(b);
for (; n > 0; n--) {
int16_t s = (int16_t) (READ24(a) >> 8);
*b = PA_INT16_SWAP(s);
a += 3;
b++;
}
}
void pa_sconv_s24le_from_s16re(unsigned n, const int16_t *a, uint8_t *b) {
pa_assert(a);
pa_assert(b);
for (; n > 0; n--) {
uint32_t s = ((uint32_t) PA_INT16_SWAP(*a)) << 8;
WRITE24(b, s);
a++;
b += 3;
}
}
void pa_sconv_s24le_to_float32ne(unsigned n, const uint8_t *a, float *b) {
pa_assert(a);
pa_assert(b);
for (; n > 0; n--) {
int32_t s = READ24(a) << 8;
*b = ((float) s) / 0x7FFFFFFF;
a += 3;
b ++;
}
}
void pa_sconv_s24le_from_float32ne(unsigned n, const float *a, uint8_t *b) {
pa_assert(a);
pa_assert(b);
for (; n > 0; n--) {
int32_t s;
float v = *a;
v = PA_CLAMP_UNLIKELY(v, -1.0f, 1.0f);
s = (int32_t) lrint((double) v * (double) 0x7FFFFFFF);
WRITE24(b, ((uint32_t) s) >> 8);
a++;
b+=3;
}
}
void pa_sconv_s24le_to_float32re(unsigned n, const uint8_t *a, float *b) {
pa_assert(a);
pa_assert(b);
for (; n > 0; n--) {
int32_t s = READ24(a) << 8;
float k = ((float) s) / 0x7FFFFFFF;
*b = PA_FLOAT32_SWAP(k);
a += 3;
b ++;
}
}
void pa_sconv_s24le_from_float32re(unsigned n, const float *a, uint8_t *b) {
pa_assert(a);
pa_assert(b);
for (; n > 0; n--) {
int32_t s;
float v = *a;
v = PA_FLOAT32_SWAP(v);
v = PA_CLAMP_UNLIKELY(v, -1.0f, 1.0f);
s = (int32_t) lrint((double) v * (double) 0x7FFFFFFF);
WRITE24(b, ((uint32_t) s) >> 8);
a++;
b+=3;
}
}

20
src/pulsecore/sconv-s16le.h
View file

@ -34,26 +34,26 @@ 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_s24le_to_float32ne(unsigned n, const uint8_t *a, float *b);
void pa_sconv_s24le_from_float32ne(unsigned n, const float *a, uint8_t *b);
void pa_sconv_s24le_to_float32re(unsigned n, const uint8_t *a, float *b);
void pa_sconv_s24le_from_float32re(unsigned n, const float *a, uint8_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);
void pa_sconv_s24le_to_s16ne(unsigned n, const uint8_t *a, int16_t *b);
void pa_sconv_s24le_from_s16ne(unsigned n, const int16_t *a, uint8_t *b);
void pa_sconv_s24le_to_s16re(unsigned n, const uint8_t *a, int16_t *b);
void pa_sconv_s24le_from_s16re(unsigned n, const int16_t *a, uint8_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

8
src/pulsecore/sconv.c
View file

@ -198,6 +198,8 @@ pa_convert_func_t pa_get_convert_to_float32ne_function(pa_sample_format_t f) {
[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_S24LE] = (pa_convert_func_t) pa_sconv_s24le_to_float32ne,
[PA_SAMPLE_S24BE] = (pa_convert_func_t) pa_sconv_s24be_to_float32ne,
[PA_SAMPLE_FLOAT32NE] = (pa_convert_func_t) float32ne_to_float32ne,
[PA_SAMPLE_FLOAT32RE] = (pa_convert_func_t) float32re_to_float32ne,
};
@ -216,6 +218,8 @@ pa_convert_func_t pa_get_convert_from_float32ne_function(pa_sample_format_t f) {
[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_S24LE] = (pa_convert_func_t) pa_sconv_s24le_from_float32ne,
[PA_SAMPLE_S24BE] = (pa_convert_func_t) pa_sconv_s24be_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,
@ -238,6 +242,8 @@ pa_convert_func_t pa_get_convert_to_s16ne_function(pa_sample_format_t f) {
[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_S24BE] = (pa_convert_func_t) pa_sconv_s24be_to_s16ne,
[PA_SAMPLE_S24LE] = (pa_convert_func_t) pa_sconv_s24le_to_s16ne,
[PA_SAMPLE_ALAW] = (pa_convert_func_t) alaw_to_s16ne,
[PA_SAMPLE_ULAW] = (pa_convert_func_t) ulaw_to_s16ne
};
@ -258,6 +264,8 @@ pa_convert_func_t pa_get_convert_from_s16ne_function(pa_sample_format_t f) {
[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_S24BE] = (pa_convert_func_t) pa_sconv_s24be_from_s16ne,
[PA_SAMPLE_S24LE] = (pa_convert_func_t) pa_sconv_s24le_from_s16ne,
[PA_SAMPLE_ALAW] = (pa_convert_func_t) alaw_from_s16ne,
[PA_SAMPLE_ULAW] = (pa_convert_func_t) ulaw_from_s16ne,
};