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Consistent indentation and some code style changes (whould be ws only)

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Lars Immisch
2020-03-09 22:28:08 +01:00
parent f478797f6f
commit a4c4c7cb62
1 changed files with 208 additions and 192 deletions
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alsaaudio.c
+208 -192
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@@ -31,60 +31,61 @@
#define ARRAY_SIZE(a) (sizeof(a) / sizeof *(a))
static const snd_pcm_format_t ALSAFormats[] = {
SND_PCM_FORMAT_S8,
SND_PCM_FORMAT_U8,
SND_PCM_FORMAT_S16_LE,
SND_PCM_FORMAT_S16_BE,
SND_PCM_FORMAT_U16_LE,
SND_PCM_FORMAT_U16_BE,
SND_PCM_FORMAT_S24_LE,
SND_PCM_FORMAT_S24_BE,
SND_PCM_FORMAT_U24_LE,
SND_PCM_FORMAT_U24_BE,
SND_PCM_FORMAT_S32_LE,
SND_PCM_FORMAT_S32_BE,
SND_PCM_FORMAT_U32_LE,
SND_PCM_FORMAT_U32_BE,
SND_PCM_FORMAT_FLOAT_LE,
SND_PCM_FORMAT_FLOAT_BE,
SND_PCM_FORMAT_FLOAT64_LE,
SND_PCM_FORMAT_FLOAT64_BE,
SND_PCM_FORMAT_IEC958_SUBFRAME_LE,
SND_PCM_FORMAT_IEC958_SUBFRAME_BE,
SND_PCM_FORMAT_MU_LAW,
SND_PCM_FORMAT_A_LAW,
SND_PCM_FORMAT_IMA_ADPCM,
SND_PCM_FORMAT_MPEG,
SND_PCM_FORMAT_GSM,
SND_PCM_FORMAT_SPECIAL,
SND_PCM_FORMAT_S24_3LE,
SND_PCM_FORMAT_S24_3BE,
SND_PCM_FORMAT_U24_3LE,
SND_PCM_FORMAT_U24_3BE,
SND_PCM_FORMAT_S20_3LE,
SND_PCM_FORMAT_S20_3BE,
SND_PCM_FORMAT_U20_3LE,
SND_PCM_FORMAT_U20_3BE,
SND_PCM_FORMAT_S18_3LE,
SND_PCM_FORMAT_S18_3BE,
SND_PCM_FORMAT_U18_3LE,
SND_PCM_FORMAT_U18_3BE
SND_PCM_FORMAT_S8,
SND_PCM_FORMAT_U8,
SND_PCM_FORMAT_S16_LE,
SND_PCM_FORMAT_S16_BE,
SND_PCM_FORMAT_U16_LE,
SND_PCM_FORMAT_U16_BE,
SND_PCM_FORMAT_S24_LE,
SND_PCM_FORMAT_S24_BE,
SND_PCM_FORMAT_U24_LE,
SND_PCM_FORMAT_U24_BE,
SND_PCM_FORMAT_S32_LE,
SND_PCM_FORMAT_S32_BE,
SND_PCM_FORMAT_U32_LE,
SND_PCM_FORMAT_U32_BE,
SND_PCM_FORMAT_FLOAT_LE,
SND_PCM_FORMAT_FLOAT_BE,
SND_PCM_FORMAT_FLOAT64_LE,
SND_PCM_FORMAT_FLOAT64_BE,
SND_PCM_FORMAT_IEC958_SUBFRAME_LE,
SND_PCM_FORMAT_IEC958_SUBFRAME_BE,
SND_PCM_FORMAT_MU_LAW,
SND_PCM_FORMAT_A_LAW,
SND_PCM_FORMAT_IMA_ADPCM,
SND_PCM_FORMAT_MPEG,
SND_PCM_FORMAT_GSM,
SND_PCM_FORMAT_SPECIAL,
SND_PCM_FORMAT_S24_3LE,
SND_PCM_FORMAT_S24_3BE,
SND_PCM_FORMAT_U24_3LE,
SND_PCM_FORMAT_U24_3BE,
SND_PCM_FORMAT_S20_3LE,
SND_PCM_FORMAT_S20_3BE,
SND_PCM_FORMAT_U20_3LE,
SND_PCM_FORMAT_U20_3BE,
SND_PCM_FORMAT_S18_3LE,
SND_PCM_FORMAT_S18_3BE,
SND_PCM_FORMAT_U18_3LE,
SND_PCM_FORMAT_U18_3BE
};
static const unsigned ALSARates[] = {
4000,
5512,
8000,
11025,
16000,
22050,
32000,
44100,
48000,
64000,
88200,
96000,
176400,
192000
4000,
5512,
8000,
11025,
16000,
22050,
32000,
44100,
48000,
64000,
88200,
96000,
176400,
192000
};
PyDoc_STRVAR(alsaaudio_module_doc,
@@ -635,31 +636,33 @@ alsapcm_dumpinfo(alsapcm_t *self, PyObject *args)
static PyObject *
alsapcm_getformats(alsapcm_t *self, PyObject *args) {
snd_pcm_t *pcm = self->handle;
if (!pcm) {
PyErr_SetString(ALSAAudioError, "PCM device is closed");
return NULL;
}
snd_pcm_hw_params_t *params;
snd_pcm_hw_params_alloca(&params);
int err = snd_pcm_hw_params_any(pcm, params);
if (err < 0) {
PyErr_SetString(ALSAAudioError, "Cannot get hardware parameters");
return NULL;
}
alsapcm_getformats(alsapcm_t *self, PyObject *args)
{
snd_pcm_t *pcm = self->handle;
if (!pcm) {
PyErr_SetString(ALSAAudioError, "PCM device is closed");
return NULL;
}
PyObject *fmts = PyDict_New();
for (int i = 0; i < ARRAY_SIZE(ALSAFormats); ++i) {
snd_pcm_format_t format = ALSAFormats[i];
if (!snd_pcm_hw_params_test_format(pcm, params, format)) {
const char *name = snd_pcm_format_name(format);
PyObject *pname=PyUnicode_FromString(name);
PyObject *value=PyLong_FromLong((long)format);
PyDict_SetItem(fmts,pname,value);
}
}
return fmts;
snd_pcm_hw_params_t *params;
snd_pcm_hw_params_alloca(&params);
int err = snd_pcm_hw_params_any(pcm, params);
if (err < 0) {
PyErr_SetString(ALSAAudioError, "Cannot get hardware parameters");
return NULL;
}
PyObject *fmts = PyDict_New();
for (int i = 0; i < ARRAY_SIZE(ALSAFormats); ++i) {
snd_pcm_format_t format = ALSAFormats[i];
if (!snd_pcm_hw_params_test_format(pcm, params, format)) {
const char *name = snd_pcm_format_name(format);
PyObject *pname=PyUnicode_FromString(name);
PyObject *value=PyLong_FromLong((long)format);
PyDict_SetItem(fmts,pname,value);
}
}
return fmts;
}
PyDoc_STRVAR(getformats_doc,
@@ -668,31 +671,35 @@ PyDoc_STRVAR(getformats_doc,
Returns dictionary of supported format codes keyed by their standard ALSA names.");
static PyObject *
alsapcm_getratemaxmin(alsapcm_t *self, PyObject *args) {
snd_pcm_t *pcm = self->handle;
if (!pcm) {
PyErr_SetString(ALSAAudioError, "PCM device is closed");
return NULL;
}
snd_pcm_hw_params_t *params;
snd_pcm_hw_params_alloca(&params);
int err = snd_pcm_hw_params_any(pcm, params);
if (err < 0) {
PyErr_SetString(ALSAAudioError, "Cannot get hardware parameters");
return NULL;
}
unsigned min,max;
if(snd_pcm_hw_params_get_rate_min(params, &min,NULL)<0) {
PyErr_SetString(ALSAAudioError, "Cannot get minimum supported bitrate");
return NULL;
}
if(snd_pcm_hw_params_get_rate_max(params, &max,NULL)<0) {
PyErr_SetString(ALSAAudioError, "Cannot get maximum supported bitrate");
return NULL;
}
PyObject *minp=PyLong_FromLong(min);
PyObject *maxp=PyLong_FromLong(max);
return PyTuple_Pack(2,minp,maxp);
alsapcm_getratemaxmin(alsapcm_t *self, PyObject *args)
{
snd_pcm_t *pcm = self->handle;
if (!pcm) {
PyErr_SetString(ALSAAudioError, "PCM device is closed");
return NULL;
}
snd_pcm_hw_params_t *params;
snd_pcm_hw_params_alloca(&params);
int err = snd_pcm_hw_params_any(pcm, params);
if (err < 0) {
PyErr_SetString(ALSAAudioError, "Cannot get hardware parameters");
return NULL;
}
unsigned min,max;
if (snd_pcm_hw_params_get_rate_min(params, &min,NULL)<0) {
PyErr_SetString(ALSAAudioError, "Cannot get minimum supported bitrate");
return NULL;
}
if (snd_pcm_hw_params_get_rate_max(params, &max,NULL)<0) {
PyErr_SetString(ALSAAudioError, "Cannot get maximum supported bitrate");
return NULL;
}
PyObject *minp=PyLong_FromLong(min);
PyObject *maxp=PyLong_FromLong(max);
return PyTuple_Pack(2, minp, maxp);
}
PyDoc_STRVAR(getratebounds_doc,
@@ -701,47 +708,51 @@ PyDoc_STRVAR(getratebounds_doc,
Returns the card's minimum and maximum supported sample rates as a tuple.");
static PyObject *
alsapcm_getrates(alsapcm_t *self, PyObject *args) {
snd_pcm_t *pcm = self->handle;
if (!pcm) {
PyErr_SetString(ALSAAudioError, "PCM device is closed");
return NULL;
}
snd_pcm_hw_params_t *params;
snd_pcm_hw_params_alloca(&params);
int err = snd_pcm_hw_params_any(pcm, params);
if (err < 0) {
PyErr_SetString(ALSAAudioError, "Cannot get hardware parameters");
return NULL;
}
unsigned min,max;
if(snd_pcm_hw_params_get_rate_min(params, &min,NULL)<0) {
PyErr_SetString(ALSAAudioError, "Cannot get minimum supported bitrate");
return NULL;
}
if(snd_pcm_hw_params_get_rate_max(params, &max,NULL)<0) {
PyErr_SetString(ALSAAudioError, "Cannot get maximum supported bitrate");
return NULL;
}
if(min==max) {
return PyLong_FromLong(min);
}
else if(!snd_pcm_hw_params_test_rate(pcm, params, min + 1, 0)) {
PyObject *minp=PyLong_FromLong(min);
PyObject *maxp=PyLong_FromLong(max);
return PyTuple_Pack(2,minp,maxp);
}
else {
PyObject *rates=PyList_New(0);
for(int i=0;i<ARRAY_SIZE(ALSARates);i++) {
unsigned rate=ALSARates[i];
if(!snd_pcm_hw_params_test_rate(pcm, params, rate,0)) {
PyObject *prate=PyLong_FromLong(rate);
PyList_Append(rates,prate);
}
}
return rates;
}
alsapcm_getrates(alsapcm_t *self, PyObject *args)
{
snd_pcm_t *pcm = self->handle;
if (!pcm) {
PyErr_SetString(ALSAAudioError, "PCM device is closed");
return NULL;
}
snd_pcm_hw_params_t *params;
snd_pcm_hw_params_alloca(&params);
int err = snd_pcm_hw_params_any(pcm, params);
if (err < 0) {
PyErr_SetString(ALSAAudioError, "Cannot get hardware parameters");
return NULL;
}
unsigned min, max;
if (snd_pcm_hw_params_get_rate_min(params, &min, NULL) <0 ) {
PyErr_SetString(ALSAAudioError, "Cannot get minimum supported bitrate");
return NULL;
}
if (snd_pcm_hw_params_get_rate_max(params, &max, NULL) < 0) {
PyErr_SetString(ALSAAudioError, "Cannot get maximum supported bitrate");
return NULL;
}
if (min == max) {
return PyLong_FromLong(min);
}
else if (!snd_pcm_hw_params_test_rate(pcm, params, min + 1, 0)) {
PyObject *minp=PyLong_FromLong(min);
PyObject *maxp=PyLong_FromLong(max);
return PyTuple_Pack(2,minp,maxp);
}
else {
PyObject *rates=PyList_New(0);
for(int i=0; i<ARRAY_SIZE(ALSARates); i++) {
unsigned rate = ALSARates[i];
if (!snd_pcm_hw_params_test_rate(pcm, params, rate, 0)) {
PyObject *prate=PyLong_FromLong(rate);
PyList_Append(rates,prate);
}
}
return rates;
}
}
PyDoc_STRVAR(getrates_doc,
@@ -756,44 +767,49 @@ There are three cases:\n\
- Card supports a collection of well-known rates: returns a list of the supported rates");
static PyObject *
alsapcm_getchannels(alsapcm_t *self,PyObject *args) {
snd_pcm_t *pcm = self->handle;
if (!pcm) {
PyErr_SetString(ALSAAudioError, "PCM device is closed");
return NULL;
}
snd_pcm_hw_params_t *params;
snd_pcm_hw_params_alloca(&params);
int err = snd_pcm_hw_params_any(pcm, params);
if (err < 0) {
PyErr_SetString(ALSAAudioError, "Cannot get hardware parameters");
return NULL;
}
unsigned min,max;
if(snd_pcm_hw_params_get_channels_min(params, &min)<0) {
PyErr_SetString(ALSAAudioError, "Cannot get minimum supported number of channels");
return NULL;
}
if(snd_pcm_hw_params_get_channels_max(params, &max)<0) {
PyErr_SetString(ALSAAudioError, "Cannot get maximum supported number of channels");
return NULL;
}
alsapcm_getchannels(alsapcm_t *self,PyObject *args)
{
snd_pcm_t *pcm = self->handle;
if (!pcm) {
PyErr_SetString(ALSAAudioError, "PCM device is closed");
return NULL;
}
PyObject *out=PyList_New(0);
snd_pcm_hw_params_t *params;
snd_pcm_hw_params_alloca(&params);
int err = snd_pcm_hw_params_any(pcm, params);
if (err < 0) {
PyErr_SetString(ALSAAudioError, "Cannot get hardware parameters");
return NULL;
}
for(unsigned ch=min;ch<=max;++ch) {
if (!snd_pcm_hw_params_test_channels(pcm, params, ch)) {
PyObject *pch=PyLong_FromLong(ch);
PyList_Append(out,pch);
}
}
return out;
unsigned min, max;
if (snd_pcm_hw_params_get_channels_min(params, &min) < 0) {
PyErr_SetString(ALSAAudioError, "Cannot get minimum supported number of channels");
return NULL;
}
if (snd_pcm_hw_params_get_channels_max(params, &max) < 0) {
PyErr_SetString(ALSAAudioError, "Cannot get maximum supported number of channels");
return NULL;
}
PyObject *out = PyList_New(0);
for (unsigned ch=min;ch<=max;++ch) {
if (!snd_pcm_hw_params_test_channels(pcm, params, ch)) {
PyObject *pch=PyLong_FromLong(ch);
PyList_Append(out,pch);
}
}
return out;
}
PyDoc_STRVAR(getchannels_doc,
"getchannels() -> [int]\n\
\n\
Returns list of supported channel numbers.");
static PyObject *
alsapcm_pcmtype(alsapcm_t *self, PyObject *args)
{
@@ -1323,10 +1339,10 @@ static PyMethodDef alsapcm_methods[] = {
{"setperiodsize", (PyCFunction)alsapcm_setperiodsize, METH_VARARGS,
setperiodsize_doc},
{"dumpinfo", (PyCFunction)alsapcm_dumpinfo, METH_VARARGS},
{"getformats", (PyCFunction)alsapcm_getformats, METH_VARARGS, getformats_doc},
{"getratebounds", (PyCFunction)alsapcm_getratemaxmin, METH_VARARGS, getratebounds_doc},
{"getrates", (PyCFunction)alsapcm_getrates, METH_VARARGS, getrates_doc},
{"getchannels", (PyCFunction)alsapcm_getchannels, METH_VARARGS, getchannels_doc},
{"getformats", (PyCFunction)alsapcm_getformats, METH_VARARGS, getformats_doc},
{"getratebounds", (PyCFunction)alsapcm_getratemaxmin, METH_VARARGS, getratebounds_doc},
{"getrates", (PyCFunction)alsapcm_getrates, METH_VARARGS, getrates_doc},
{"getchannels", (PyCFunction)alsapcm_getchannels, METH_VARARGS, getchannels_doc},
{"read", (PyCFunction)alsapcm_read, METH_VARARGS, read_doc},
{"write", (PyCFunction)alsapcm_write, METH_VARARGS, write_doc},
{"pause", (PyCFunction)alsapcm_pause, METH_VARARGS, pause_doc},
@@ -1380,14 +1396,14 @@ static PyTypeObject ALSAPCMType = {
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT, /* tp_flags */
"ALSA PCM device.", /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iternext */
alsapcm_methods, /* tp_methods */
0, /* tp_members */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iternext */
alsapcm_methods, /* tp_methods */
0, /* tp_members */
};
@@ -2662,14 +2678,14 @@ static PyTypeObject ALSAMixerType = {
0, /* tp_as_buffer*/
Py_TPFLAGS_DEFAULT, /* tp_flags */
"ALSA Mixer Control.", /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iternext */
alsamixer_methods, /* tp_methods */
0, /* tp_members */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iternext */
alsamixer_methods, /* tp_methods */
0, /* tp_members */
};