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Whitespace normalization; break a long line.

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Guido van Rossum 2003-06-02 14:15:34 +00:00
parent f39dafb10a
commit 0741f801ba
1 changed files with 40 additions and 39 deletions
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79
Modules/ossaudiodev.c
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@ -9,7 +9,7 @@
* Renamed to ossaudiodev and rearranged/revised/hacked up * Renamed to ossaudiodev and rearranged/revised/hacked up
* by Greg Ward <gward@python.net>, November 2002. * by Greg Ward <gward@python.net>, November 2002.
* Mixer interface by Nicholas FitzRoy-Dale <wzdd@lardcave.net>, Dec 2002. * Mixer interface by Nicholas FitzRoy-Dale <wzdd@lardcave.net>, Dec 2002.
* *
* (c) 2000 Peter Bosch. All Rights Reserved. * (c) 2000 Peter Bosch. All Rights Reserved.
* (c) 2002 Gregory P. Ward. All Rights Reserved. * (c) 2002 Gregory P. Ward. All Rights Reserved.
* (c) 2002 Python Software Foundation. All Rights Reserved. * (c) 2002 Python Software Foundation. All Rights Reserved.
@ -161,11 +161,11 @@ newossmixerobject(PyObject *arg)
char *basedev = NULL; char *basedev = NULL;
int fd; int fd;
oss_mixer_t *self; oss_mixer_t *self;
if (!PyArg_ParseTuple(arg, "|s", &basedev)) { if (!PyArg_ParseTuple(arg, "|s", &basedev)) {
return NULL; return NULL;
} }
if (basedev == NULL) { if (basedev == NULL) {
basedev = getenv("MIXERDEV"); basedev = getenv("MIXERDEV");
if (basedev == NULL) /* MIXERDEV not set */ if (basedev == NULL) /* MIXERDEV not set */
@ -181,9 +181,9 @@ newossmixerobject(PyObject *arg)
close(fd); close(fd);
return NULL; return NULL;
} }
self->fd = fd; self->fd = fd;
return self; return self;
} }
@ -340,13 +340,13 @@ oss_sync(oss_audio_t *self, PyObject *args)
{ {
return _do_ioctl_0(self->fd, args, "sync", SNDCTL_DSP_SYNC); return _do_ioctl_0(self->fd, args, "sync", SNDCTL_DSP_SYNC);
} }
static PyObject * static PyObject *
oss_reset(oss_audio_t *self, PyObject *args) oss_reset(oss_audio_t *self, PyObject *args)
{ {
return _do_ioctl_0(self->fd, args, "reset", SNDCTL_DSP_RESET); return _do_ioctl_0(self->fd, args, "reset", SNDCTL_DSP_RESET);
} }
static PyObject * static PyObject *
oss_post(oss_audio_t *self, PyObject *args) oss_post(oss_audio_t *self, PyObject *args)
{ {
@ -363,7 +363,7 @@ oss_read(oss_audio_t *self, PyObject *args)
int size, count; int size, count;
char *cp; char *cp;
PyObject *rv; PyObject *rv;
if (!PyArg_ParseTuple(args, "i:read", &size)) if (!PyArg_ParseTuple(args, "i:read", &size))
return NULL; return NULL;
rv = PyString_FromStringAndSize(NULL, size); rv = PyString_FromStringAndSize(NULL, size);
@ -414,7 +414,7 @@ oss_writeall(oss_audio_t *self, PyObject *args)
int rv, size; int rv, size;
fd_set write_set_fds; fd_set write_set_fds;
int select_rv; int select_rv;
/* NB. writeall() is only useful in non-blocking mode: according to /* NB. writeall() is only useful in non-blocking mode: according to
Guenter Geiger <geiger@xdv.org> on the linux-audio-dev list Guenter Geiger <geiger@xdv.org> on the linux-audio-dev list
(http://eca.cx/lad/2002/11/0380.html), OSS guarantees that (http://eca.cx/lad/2002/11/0380.html), OSS guarantees that
@ -422,7 +422,7 @@ oss_writeall(oss_audio_t *self, PyObject *args)
mode, the behaviour of write() and writeall() from Python is mode, the behaviour of write() and writeall() from Python is
indistinguishable. */ indistinguishable. */
if (!PyArg_ParseTuple(args, "s#:write", &cp, &size)) if (!PyArg_ParseTuple(args, "s#:write", &cp, &size))
return NULL; return NULL;
/* use select to wait for audio device to be available */ /* use select to wait for audio device to be available */
@ -475,7 +475,7 @@ oss_close(oss_audio_t *self, PyObject *args)
static PyObject * static PyObject *
oss_fileno(oss_audio_t *self, PyObject *args) oss_fileno(oss_audio_t *self, PyObject *args)
{ {
if (!PyArg_ParseTuple(args, ":fileno")) if (!PyArg_ParseTuple(args, ":fileno"))
return NULL; return NULL;
return PyInt_FromLong(self->fd); return PyInt_FromLong(self->fd);
} }
@ -528,7 +528,7 @@ oss_setparameters(oss_audio_t *self, PyObject *args)
"unable to set requested rate (wanted %d, got %d)", "unable to set requested rate (wanted %d, got %d)",
wanted_rate, rate); wanted_rate, rate);
} }
/* Construct the return value: a (fmt, channels, rate) tuple that /* Construct the return value: a (fmt, channels, rate) tuple that
tells what the audio hardware was actually set to. */ tells what the audio hardware was actually set to. */
rv = PyTuple_New(3); rv = PyTuple_New(3);
@ -546,7 +546,7 @@ _ssize(oss_audio_t *self, int *nchannels, int *ssize)
int fmt; int fmt;
fmt = 0; fmt = 0;
if (ioctl(self->fd, SNDCTL_DSP_SETFMT, &fmt) < 0) if (ioctl(self->fd, SNDCTL_DSP_SETFMT, &fmt) < 0)
return -errno; return -errno;
switch (fmt) { switch (fmt) {
@ -574,7 +574,7 @@ _ssize(oss_audio_t *self, int *nchannels, int *ssize)
} }
/* bufsize returns the size of the hardware audio buffer in number /* bufsize returns the size of the hardware audio buffer in number
of samples */ of samples */
static PyObject * static PyObject *
oss_bufsize(oss_audio_t *self, PyObject *args) oss_bufsize(oss_audio_t *self, PyObject *args)
@ -595,7 +595,7 @@ oss_bufsize(oss_audio_t *self, PyObject *args)
return PyInt_FromLong((ai.fragstotal * ai.fragsize) / (nchannels * ssize)); return PyInt_FromLong((ai.fragstotal * ai.fragsize) / (nchannels * ssize));
} }
/* obufcount returns the number of samples that are available in the /* obufcount returns the number of samples that are available in the
hardware for playing */ hardware for playing */
static PyObject * static PyObject *
oss_obufcount(oss_audio_t *self, PyObject *args) oss_obufcount(oss_audio_t *self, PyObject *args)
@ -614,7 +614,7 @@ oss_obufcount(oss_audio_t *self, PyObject *args)
PyErr_SetFromErrno(PyExc_IOError); PyErr_SetFromErrno(PyExc_IOError);
return NULL; return NULL;
} }
return PyInt_FromLong((ai.fragstotal * ai.fragsize - ai.bytes) / return PyInt_FromLong((ai.fragstotal * ai.fragsize - ai.bytes) /
(ssize * nchannels)); (ssize * nchannels));
} }
@ -648,7 +648,7 @@ oss_getptr(oss_audio_t *self, PyObject *args)
if (!PyArg_ParseTuple(args, ":getptr")) if (!PyArg_ParseTuple(args, ":getptr"))
return NULL; return NULL;
if (self->mode == O_RDONLY) if (self->mode == O_RDONLY)
req = SNDCTL_DSP_GETIPTR; req = SNDCTL_DSP_GETIPTR;
else else
@ -682,7 +682,7 @@ oss_mixer_close(oss_mixer_t *self, PyObject *args)
static PyObject * static PyObject *
oss_mixer_fileno(oss_mixer_t *self, PyObject *args) oss_mixer_fileno(oss_mixer_t *self, PyObject *args)
{ {
if (!PyArg_ParseTuple(args, ":fileno")) if (!PyArg_ParseTuple(args, ":fileno"))
return NULL; return NULL;
return PyInt_FromLong(self->fd); return PyInt_FromLong(self->fd);
} }
@ -714,19 +714,19 @@ static PyObject *
oss_mixer_get(oss_mixer_t *self, PyObject *args) oss_mixer_get(oss_mixer_t *self, PyObject *args)
{ {
int channel, volume; int channel, volume;
/* Can't use _do_ioctl_1 because of encoded arg thingy. */ /* Can't use _do_ioctl_1 because of encoded arg thingy. */
if (!PyArg_ParseTuple(args, "i:get", &channel)) if (!PyArg_ParseTuple(args, "i:get", &channel))
return NULL; return NULL;
if (channel < 0 || channel > SOUND_MIXER_NRDEVICES) { if (channel < 0 || channel > SOUND_MIXER_NRDEVICES) {
PyErr_SetString(OSSAudioError, "Invalid mixer channel specified."); PyErr_SetString(OSSAudioError, "Invalid mixer channel specified.");
return NULL; return NULL;
} }
if (ioctl(self->fd, MIXER_READ(channel), &volume) == -1) if (ioctl(self->fd, MIXER_READ(channel), &volume) == -1)
return PyErr_SetFromErrno(PyExc_IOError); return PyErr_SetFromErrno(PyExc_IOError);
return Py_BuildValue("(ii)", volume & 0xff, (volume & 0xff00) >> 8); return Py_BuildValue("(ii)", volume & 0xff, (volume & 0xff00) >> 8);
} }
@ -734,26 +734,26 @@ static PyObject *
oss_mixer_set(oss_mixer_t *self, PyObject *args) oss_mixer_set(oss_mixer_t *self, PyObject *args)
{ {
int channel, volume, leftVol, rightVol; int channel, volume, leftVol, rightVol;
/* Can't use _do_ioctl_1 because of encoded arg thingy. */ /* Can't use _do_ioctl_1 because of encoded arg thingy. */
if (!PyArg_ParseTuple(args, "i(ii):set", &channel, &leftVol, &rightVol)) if (!PyArg_ParseTuple(args, "i(ii):set", &channel, &leftVol, &rightVol))
return NULL; return NULL;
if (channel < 0 || channel > SOUND_MIXER_NRDEVICES) { if (channel < 0 || channel > SOUND_MIXER_NRDEVICES) {
PyErr_SetString(OSSAudioError, "Invalid mixer channel specified."); PyErr_SetString(OSSAudioError, "Invalid mixer channel specified.");
return NULL; return NULL;
} }
if (leftVol < 0 || rightVol < 0 || leftVol > 100 || rightVol > 100) { if (leftVol < 0 || rightVol < 0 || leftVol > 100 || rightVol > 100) {
PyErr_SetString(OSSAudioError, "Volumes must be between 0 and 100."); PyErr_SetString(OSSAudioError, "Volumes must be between 0 and 100.");
return NULL; return NULL;
} }
volume = (rightVol << 8) | leftVol; volume = (rightVol << 8) | leftVol;
if (ioctl(self->fd, MIXER_WRITE(channel), &volume) == -1) if (ioctl(self->fd, MIXER_WRITE(channel), &volume) == -1)
return PyErr_SetFromErrno(PyExc_IOError); return PyErr_SetFromErrno(PyExc_IOError);
return Py_BuildValue("(ii)", volume & 0xff, (volume & 0xff00) >> 8); return Py_BuildValue("(ii)", volume & 0xff, (volume & 0xff00) >> 8);
} }
@ -809,18 +809,18 @@ static PyMethodDef oss_methods[] = {
static PyMethodDef oss_mixer_methods[] = { static PyMethodDef oss_mixer_methods[] = {
/* Regular file method - OSS mixers are ioctl-only interface */ /* Regular file method - OSS mixers are ioctl-only interface */
{ "close", (PyCFunction)oss_mixer_close, METH_VARARGS }, { "close", (PyCFunction)oss_mixer_close, METH_VARARGS },
{ "fileno", (PyCFunction)oss_mixer_fileno, METH_VARARGS }, { "fileno", (PyCFunction)oss_mixer_fileno, METH_VARARGS },
/* Simple ioctl wrappers */ /* Simple ioctl wrappers */
{ "controls", (PyCFunction)oss_mixer_controls, METH_VARARGS }, { "controls", (PyCFunction)oss_mixer_controls, METH_VARARGS },
{ "stereocontrols", (PyCFunction)oss_mixer_stereocontrols, METH_VARARGS}, { "stereocontrols", (PyCFunction)oss_mixer_stereocontrols, METH_VARARGS},
{ "reccontrols", (PyCFunction)oss_mixer_reccontrols, METH_VARARGS}, { "reccontrols", (PyCFunction)oss_mixer_reccontrols, METH_VARARGS},
{ "get", (PyCFunction)oss_mixer_get, METH_VARARGS }, { "get", (PyCFunction)oss_mixer_get, METH_VARARGS },
{ "set", (PyCFunction)oss_mixer_set, METH_VARARGS }, { "set", (PyCFunction)oss_mixer_set, METH_VARARGS },
{ "get_recsrc", (PyCFunction)oss_mixer_get_recsrc, METH_VARARGS }, { "get_recsrc", (PyCFunction)oss_mixer_get_recsrc, METH_VARARGS },
{ "set_recsrc", (PyCFunction)oss_mixer_set_recsrc, METH_VARARGS }, { "set_recsrc", (PyCFunction)oss_mixer_set_recsrc, METH_VARARGS },
{ NULL, NULL} { NULL, NULL}
}; };
@ -913,7 +913,7 @@ build_namelists (PyObject *module)
if (s == NULL) if (s == NULL)
return -1; return -1;
PyList_SET_ITEM(labels, i, s); PyList_SET_ITEM(labels, i, s);
s = PyString_FromString(control_names[i]); s = PyString_FromString(control_names[i]);
if (s == NULL) if (s == NULL)
return -1; return -1;
@ -926,21 +926,22 @@ build_namelists (PyObject *module)
return -1; return -1;
return 0; return 0;
} }
void void
initossaudiodev(void) initossaudiodev(void)
{ {
PyObject *m; PyObject *m;
m = Py_InitModule("ossaudiodev", ossaudiodev_methods); m = Py_InitModule("ossaudiodev", ossaudiodev_methods);
OSSAudioError = PyErr_NewException("ossaudiodev.OSSAudioError", NULL, NULL); OSSAudioError = PyErr_NewException("ossaudiodev.OSSAudioError",
NULL, NULL);
if (OSSAudioError) { if (OSSAudioError) {
/* Each call to PyModule_AddObject decrefs it; compensate: */ /* Each call to PyModule_AddObject decrefs it; compensate: */
Py_INCREF(OSSAudioError); Py_INCREF(OSSAudioError);
Py_INCREF(OSSAudioError); Py_INCREF(OSSAudioError);
PyModule_AddObject(m, "error", OSSAudioError); PyModule_AddObject(m, "error", OSSAudioError);
PyModule_AddObject(m, "OSSAudioError", OSSAudioError); PyModule_AddObject(m, "OSSAudioError", OSSAudioError);
} }
@ -968,7 +969,7 @@ initossaudiodev(void)
#ifdef AFMT_S16_NE #ifdef AFMT_S16_NE
_EXPORT_INT(m, AFMT_S16_NE); _EXPORT_INT(m, AFMT_S16_NE);
#endif #endif
/* Expose the sound mixer device numbers. */ /* Expose the sound mixer device numbers. */
_EXPORT_INT(m, SOUND_MIXER_NRDEVICES); _EXPORT_INT(m, SOUND_MIXER_NRDEVICES);
_EXPORT_INT(m, SOUND_MIXER_VOLUME); _EXPORT_INT(m, SOUND_MIXER_VOLUME);