jackaudio
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jack2
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Gabriel Beddingfield patch for ALSA driver: error when source is non-native byte-order float. 

git-svn-id: http://subversion.jackaudio.org/jack/jack2/trunk/jackmp@4541 0c269be4-1314-0410-8aa9-9f06e86f4224
tags/1.9.8
sletz 14 years ago
parent
1179107321
commit
7ac5f1ce02
4 changed files with 101 additions and 61 deletions
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  1. +4
    -0
      ChangeLog
  2. +1
    -1
      common/JackAudioAdapter.cpp
  3. +96
    -59
      common/memops.c
  4. +0
    -1
      macosx/Jackdmp.xcodeproj/project.pbxproj

+ 4
- 0
ChangeLog View File

@@ -35,6 +35,10 @@ Chris Caudle
Jackdmp changes log
---------------------------

2011-09-27 Stephane Letz <letz@grame.fr>

* Gabriel Beddingfield patch for ALSA driver: error when source is non-native byte-order float.

2011-08-31 Stephane Letz <letz@grame.fr>

* Correct Start/Stop for Control API.


+ 1
- 1
common/JackAudioAdapter.cpp View File

@@ -129,7 +129,7 @@ namespace Jack
ports = jack_get_ports(fJackClient, NULL, NULL, JackPortIsPhysical | JackPortIsInput);
if (ports != NULL) {
for (int i = 0; i < fAudioAdapter->GetInputs() && ports[i]; i++) {
jack_connect(fJackClient,jack_port_name(fCapturePortList[i]), ports[i]);
jack_connect(fJackClient, jack_port_name(fCapturePortList[i]), ports[i]);
}
free(ports);
}


+ 96
- 59
common/memops.c View File

@@ -206,19 +206,42 @@ inline unsigned int fast_rand() {
/* functions for native float sample data */

void sample_move_floatLE_sSs (jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip) {
#if __BYTE_ORDER == __LITTLE_ENDIAN
char *d = (char*)dst;
while (nsamples--) {
*dst = *((float *) src);
dst++;
*d++ = src[3];
*d++ = src[2];
*d++ = src[1];
*d++ = src[0];
src += src_skip;
}
#else
// Matching byte order
while (nsamples--) {
*dst = *((float *) src);
dst++;
src += src_skip;
}
#endif
}

void sample_move_dS_floatLE (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state) {
#if __BYTE_ORDER == __LITTLE_ENDIAN
while (nsamples--) {
*((float *) dst) = *src;
dst += dst_skip;
src++;
}
#else
char *d = (char*)dst;
while (nsamples--) {
*d++ = src[3];
*d++ = src[2];
*d++ = src[1];
*d++ = src[0];
src += src_skip;
}
#endif
}

/* NOTES on function naming:
@@ -249,22 +272,19 @@ void sample_move_dS_floatLE (char *dst, jack_default_audio_sample_t *src, unsign
void sample_move_d32u24_sSs (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state)
{
int32_t z;

while (nsamples--) {

float_24u32 (*src, z);

#if __BYTE_ORDER == __LITTLE_ENDIAN
dst[0]=(char)(z>>24);
dst[1]=(char)(z>>16);
dst[2]=(char)(z>>8);
dst[3]=(char)(z);
#elif __BYTE_ORDER == __BIG_ENDIAN
dst[0]=(char)(z);
dst[1]=(char)(z>>8);
dst[2]=(char)(z>>16);
dst[3]=(char)(z>>24);
#endif
union {
jack_default_audio_sample_t f;
char c[4];
} t;
while (nsamples--) {
t.c[0] = *((char*)src + 3);
t.c[1] = *((char*)src + 2);
t.c[2] = *((char*)src + 1);
t.c[3] = *((char*)src + 0);
float_24u32 (t.f, z);
*((int32_t *) dst) = z;
dst += dst_skip;
src++;
}
@@ -404,17 +424,26 @@ void sample_move_dS_s32u24 (jack_default_audio_sample_t *dst, char *src, unsigne
void sample_move_d24_sSs (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state)
{
int32_t z;
union {
jack_default_audio_sample_t f;
char c[4];
} t;

while (nsamples--) {
float_24 (*src, z);
t.c[0] = *((char*)src + 3);
t.c[1] = *((char*)src + 2);
t.c[2] = *((char*)src + 1);
t.c[3] = *((char*)src + 0);
float_24 (t.f, z);
#if __BYTE_ORDER == __LITTLE_ENDIAN
dst[0]=(char)(z>>16);
dst[1]=(char)(z>>8);
dst[2]=(char)(z);
#elif __BYTE_ORDER == __BIG_ENDIAN
dst[0]=(char)(z);
dst[1]=(char)(z>>8);
dst[2]=(char)(z>>16);
#elif __BYTE_ORDER == __BIG_ENDIAN
dst[0]=(char)(z>>16);
dst[1]=(char)(z>>8);
dst[2]=(char)(z);
#endif
dst += dst_skip;
src++;
@@ -548,25 +577,28 @@ void sample_move_dS_s24 (jack_default_audio_sample_t *dst, char *src, unsigned l
void sample_move_d16_sSs (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state)
{
int16_t tmp;
union {
jack_default_audio_sample_t f;
char c[4];
} t;

while (nsamples--) {
t.c[0] = *((char*)src + 3);
t.c[1] = *((char*)src + 2);
t.c[2] = *((char*)src + 1);
t.c[3] = *((char*)src + 0);

// float_16 (*src, tmp);

if (*src <= NORMALIZED_FLOAT_MIN) {
if (t.f <= NORMALIZED_FLOAT_MIN) {
tmp = SAMPLE_16BIT_MIN;
} else if (*src >= NORMALIZED_FLOAT_MAX) {
} else if (t.f >= NORMALIZED_FLOAT_MAX) {
tmp = SAMPLE_16BIT_MAX;
} else {
tmp = (int16_t) f_round (*src * SAMPLE_16BIT_SCALING);
tmp = (int16_t) f_round (t.f * SAMPLE_16BIT_SCALING);
}

#if __BYTE_ORDER == __LITTLE_ENDIAN
dst[0]=(char)(tmp>>8);
dst[1]=(char)(tmp);
#elif __BYTE_ORDER == __BIG_ENDIAN
dst[0]=(char)(tmp);
dst[1]=(char)(tmp>>8);
#endif
*((int16_t *) dst) = tmp;
dst += dst_skip;
src++;
}
@@ -585,17 +617,19 @@ void sample_move_dither_rect_d16_sSs (char *dst, jack_default_audio_sample_t *s
{
jack_default_audio_sample_t val;
int16_t tmp;
union {
jack_default_audio_sample_t f;
char c[4];
} t;

while (nsamples--) {
val = (*src * SAMPLE_16BIT_SCALING) + fast_rand() / (float) UINT_MAX - 0.5f;
t.c[0] = *((char*)src + 3);
t.c[1] = *((char*)src + 2);
t.c[2] = *((char*)src + 1);
t.c[3] = *((char*)src + 0);
val = (t.f * SAMPLE_16BIT_SCALING) + fast_rand() / (float) UINT_MAX - 0.5f;
float_16_scaled (val, tmp);
#if __BYTE_ORDER == __LITTLE_ENDIAN
dst[0]=(char)(tmp>>8);
dst[1]=(char)(tmp);
#elif __BYTE_ORDER == __BIG_ENDIAN
dst[0]=(char)(tmp);
dst[1]=(char)(tmp>>8);
#endif
*((int16_t *) dst) = tmp;
dst += dst_skip;
src++;
}
@@ -617,18 +651,19 @@ void sample_move_dither_tri_d16_sSs (char *dst, jack_default_audio_sample_t *sr
{
jack_default_audio_sample_t val;
int16_t tmp;
union {
jack_default_audio_sample_t f;
char c[4];
} t;

while (nsamples--) {
val = (*src * SAMPLE_16BIT_SCALING) + ((float)fast_rand() + (float)fast_rand()) / (float)UINT_MAX - 1.0f;
t.c[0] = *((char*)src + 3);
t.c[1] = *((char*)src + 2);
t.c[2] = *((char*)src + 1);
t.c[3] = *((char*)src + 0);
val = (t.f * SAMPLE_16BIT_SCALING) + ((float)fast_rand() + (float)fast_rand()) / (float)UINT_MAX - 1.0f;
float_16_scaled (val, tmp);

#if __BYTE_ORDER == __LITTLE_ENDIAN
dst[0]=(char)(tmp>>8);
dst[1]=(char)(tmp);
#elif __BYTE_ORDER == __BIG_ENDIAN
dst[0]=(char)(tmp);
dst[1]=(char)(tmp>>8);
#endif
*((int16_t *) dst) = tmp;
dst += dst_skip;
src++;
}
@@ -655,9 +690,18 @@ void sample_move_dither_shaped_d16_sSs (char *dst, jack_default_audio_sample_t
float rm1 = state->rm1;
unsigned int idx = state->idx;
int16_t tmp;
union {
jack_default_audio_sample_t f;
char c[4];
} t;

while (nsamples--) {
x = *src * SAMPLE_16BIT_SCALING;
t.c[0] = *((char*)src + 3);
t.c[1] = *((char*)src + 2);
t.c[2] = *((char*)src + 1);
t.c[3] = *((char*)src + 0);

x = t.f * SAMPLE_16BIT_SCALING;
r = ((float)fast_rand() + (float)fast_rand()) / (float)UINT_MAX - 1.0f;
/* Filter the error with Lipshitz's minimally audible FIR:
[2.033 -2.165 1.959 -1.590 0.6149] */
@@ -675,14 +719,7 @@ void sample_move_dither_shaped_d16_sSs (char *dst, jack_default_audio_sample_t
/* Intrinsic z^-1 delay */
idx = (idx + 1) & DITHER_BUF_MASK;
state->e[idx] = xp - xe;

#if __BYTE_ORDER == __LITTLE_ENDIAN
dst[0]=(char)(tmp>>8);
dst[1]=(char)(tmp);
#elif __BYTE_ORDER == __BIG_ENDIAN
dst[0]=(char)(tmp);
dst[1]=(char)(tmp>>8);
#endif
*((int16_t *) dst) = tmp;
dst += dst_skip;
src++;
}


+ 0
- 1
macosx/Jackdmp.xcodeproj/project.pbxproj View File

@@ -6170,7 +6170,6 @@
isa = PBXProject;
buildConfigurationList = 4B699DD5097D427F00A18468 /* Build configuration list for PBXProject "Jackdmp" */;
compatibilityVersion = "Xcode 2.4";
developmentRegion = English;
hasScannedForEncodings = 1;
knownRegions = (
English,


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