diff options
author | Guido van Rossum <guido@python.org> | 2007-08-05 15:29:28 +0000 |
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committer | Guido van Rossum <guido@python.org> | 2007-08-05 15:29:28 +0000 |
commit | 33d2689fc900a814f0a7d2f846abe0c34024ae17 (patch) | |
tree | 1ecddf8b9e18933d1fd90d5eda510908ec71695b /Modules/linuxaudiodev.c | |
parent | 77553ab531c6a98c3d06b7ba4158b06ed0af8c69 (diff) | |
download | cpython-git-33d2689fc900a814f0a7d2f846abe0c34024ae17.tar.gz |
Merged revisions 56492-56752 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/p3yk
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r56497 | kurt.kaiser | 2007-07-22 14:55:16 -0700 (Sun, 22 Jul 2007) | 4 lines
In the case of syntax errors, in py3k format_exception_only()
was including line number and position in the final line of the
exception notification, duplicating info in previous lines.
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r56501 | kurt.kaiser | 2007-07-22 19:35:50 -0700 (Sun, 22 Jul 2007) | 2 lines
Hum, needed a newline in the last change.
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r56536 | kurt.kaiser | 2007-07-24 19:06:48 -0700 (Tue, 24 Jul 2007) | 5 lines
Not all instantiations of SyntaxError set the args attribute.
e.g. symtable.c
Modify format_exception_only() to get SyntaxError attributes directly
instead of unpacking 'args'.
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r56537 | kurt.kaiser | 2007-07-24 19:13:03 -0700 (Tue, 24 Jul 2007) | 3 lines
Update doctest strings: traceback.py no longer prints redundant location
information in the last line of the exception display.
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r56627 | kurt.kaiser | 2007-07-29 21:06:57 -0700 (Sun, 29 Jul 2007) | 2 lines
Interactive interpreter emulator (code.py) failing to print exceptions.
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r56628 | kurt.kaiser | 2007-07-29 21:41:02 -0700 (Sun, 29 Jul 2007) | 2 lines
Eliminate extra lines before and after tracebacks.
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r56638 | kurt.kaiser | 2007-07-31 19:36:45 -0700 (Tue, 31 Jul 2007) | 3 lines
Refactor syntax error display in shell and edit windows; move
colorize_syntax_error() to EditorWindow; update to py3k.
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r56685 | neal.norwitz | 2007-08-02 22:20:23 -0700 (Thu, 02 Aug 2007) | 10 lines
Remove several h/w and o/s specific modules that are undocumented, obsolete,
and/or not widely used:
linuxaudiodev.c, sunaudiodev.c Lib/plat-sunos5/SUNAUDIODEV.py
Lib/audiodev.py Tools/audiopy/audiopy
Move Lib/toaiff.py to Demo.
See PEP 3108 for most of the details.
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r56686 | neal.norwitz | 2007-08-02 22:21:48 -0700 (Thu, 02 Aug 2007) | 4 lines
Missed one module that should have been removed since it relied
on audiodev which was removed.
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r56748 | neal.norwitz | 2007-08-04 19:19:04 -0700 (Sat, 04 Aug 2007) | 1 line
Make from X import * outside module scope an error.
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r56750 | neal.norwitz | 2007-08-04 19:35:01 -0700 (Sat, 04 Aug 2007) | 1 line
Use READONLY consistently instead of RO
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Diffstat (limited to 'Modules/linuxaudiodev.c')
-rw-r--r-- | Modules/linuxaudiodev.c | 501 |
1 files changed, 0 insertions, 501 deletions
diff --git a/Modules/linuxaudiodev.c b/Modules/linuxaudiodev.c deleted file mode 100644 index 730ec0cde3..0000000000 --- a/Modules/linuxaudiodev.c +++ /dev/null @@ -1,501 +0,0 @@ -/* Hey Emacs, this is -*-C-*- - ****************************************************************************** - * linuxaudiodev.c -- Linux audio device for python. - * - * Author : Peter Bosch - * Created On : Thu Mar 2 21:10:33 2000 - * Status : Unknown, Use with caution! - * - * Unless other notices are present in any part of this file - * explicitly claiming copyrights for other people and/or - * organizations, the contents of this file is fully copyright - * (C) 2000 Peter Bosch, all rights reserved. - ****************************************************************************** - */ - -#include "Python.h" -#include "structmember.h" - -#ifdef HAVE_FCNTL_H -#include <fcntl.h> -#else -#define O_RDONLY 00 -#define O_WRONLY 01 -#endif - - -#include <sys/ioctl.h> -#if defined(linux) -#include <linux/soundcard.h> - -#ifndef HAVE_STDINT_H -typedef unsigned long uint32_t; -#endif - -#elif defined(__FreeBSD__) -#include <machine/soundcard.h> - -#ifndef SNDCTL_DSP_CHANNELS -#define SNDCTL_DSP_CHANNELS SOUND_PCM_WRITE_CHANNELS -#endif - -#endif - -typedef struct { - PyObject_HEAD - int x_fd; /* The open file */ - int x_mode; /* file mode */ - int x_icount; /* Input count */ - int x_ocount; /* Output count */ - uint32_t x_afmts; /* Audio formats supported by hardware*/ -} lad_t; - -/* XXX several format defined in soundcard.h are not supported, - including _NE (native endian) options and S32 options -*/ - -static struct { - int a_bps; - uint32_t a_fmt; - char *a_name; -} audio_types[] = { - { 8, AFMT_MU_LAW, "logarithmic mu-law 8-bit audio" }, - { 8, AFMT_A_LAW, "logarithmic A-law 8-bit audio" }, - { 8, AFMT_U8, "linear unsigned 8-bit audio" }, - { 8, AFMT_S8, "linear signed 8-bit audio" }, - { 16, AFMT_U16_BE, "linear unsigned 16-bit big-endian audio" }, - { 16, AFMT_U16_LE, "linear unsigned 16-bit little-endian audio" }, - { 16, AFMT_S16_BE, "linear signed 16-bit big-endian audio" }, - { 16, AFMT_S16_LE, "linear signed 16-bit little-endian audio" }, - { 16, AFMT_S16_NE, "linear signed 16-bit native-endian audio" }, -}; - -static int n_audio_types = sizeof(audio_types) / sizeof(audio_types[0]); - -static PyTypeObject Ladtype; - -static PyObject *LinuxAudioError; - -static lad_t * -newladobject(PyObject *arg) -{ - lad_t *xp; - int fd, afmts, imode; - char *basedev = NULL; - char *mode = NULL; - - /* Two ways to call linuxaudiodev.open(): - open(device, mode) (for consistency with builtin open()) - open(mode) (for backwards compatibility) - because the *first* argument is optional, parsing args is - a wee bit tricky. */ - if (!PyArg_ParseTuple(arg, "s|s:open", &basedev, &mode)) - return NULL; - if (mode == NULL) { /* only one arg supplied */ - mode = basedev; - basedev = NULL; - } - - if (strcmp(mode, "r") == 0) - imode = O_RDONLY; - else if (strcmp(mode, "w") == 0) - imode = O_WRONLY; - else { - PyErr_SetString(LinuxAudioError, "mode should be 'r' or 'w'"); - return NULL; - } - - /* Open the correct device. The base device name comes from the - * AUDIODEV environment variable first, then /dev/dsp. The - * control device tacks "ctl" onto the base device name. - * - * Note that the only difference between /dev/audio and /dev/dsp - * is that the former uses logarithmic mu-law encoding and the - * latter uses 8-bit unsigned encoding. - */ - - if (basedev == NULL) { /* called with one arg */ - basedev = getenv("AUDIODEV"); - if (basedev == NULL) /* $AUDIODEV not set */ - basedev = "/dev/dsp"; - } - - if ((fd = open(basedev, imode)) == -1) { - PyErr_SetFromErrnoWithFilename(LinuxAudioError, basedev); - return NULL; - } - if (imode == O_WRONLY && ioctl(fd, SNDCTL_DSP_NONBLOCK, NULL) == -1) { - PyErr_SetFromErrnoWithFilename(LinuxAudioError, basedev); - return NULL; - } - if (ioctl(fd, SNDCTL_DSP_GETFMTS, &afmts) == -1) { - PyErr_SetFromErrnoWithFilename(LinuxAudioError, basedev); - return NULL; - } - /* Create and initialize the object */ - if ((xp = PyObject_New(lad_t, &Ladtype)) == NULL) { - close(fd); - return NULL; - } - xp->x_fd = fd; - xp->x_mode = imode; - xp->x_icount = xp->x_ocount = 0; - xp->x_afmts = afmts; - return xp; -} - -static void -lad_dealloc(lad_t *xp) -{ - /* if already closed, don't reclose it */ - if (xp->x_fd != -1) - close(xp->x_fd); - PyObject_Del(xp); -} - -static PyObject * -lad_read(lad_t *self, PyObject *args) -{ - int size, count; - char *cp; - PyObject *rv; - - if (!PyArg_ParseTuple(args, "i:read", &size)) - return NULL; - rv = PyString_FromStringAndSize(NULL, size); - if (rv == NULL) - return NULL; - cp = PyString_AS_STRING(rv); - if ((count = read(self->x_fd, cp, size)) < 0) { - PyErr_SetFromErrno(LinuxAudioError); - Py_DECREF(rv); - return NULL; - } - self->x_icount += count; - _PyString_Resize(&rv, count); - return rv; -} - -static PyObject * -lad_write(lad_t *self, PyObject *args) -{ - char *cp; - int rv, size; - fd_set write_set_fds; - struct timeval tv; - int select_retval; - - if (!PyArg_ParseTuple(args, "s#:write", &cp, &size)) - return NULL; - - /* use select to wait for audio device to be available */ - FD_ZERO(&write_set_fds); - FD_SET(self->x_fd, &write_set_fds); - tv.tv_sec = 4; /* timeout values */ - tv.tv_usec = 0; - - while (size > 0) { - select_retval = select(self->x_fd+1, NULL, &write_set_fds, NULL, &tv); - tv.tv_sec = 1; tv.tv_usec = 0; /* willing to wait this long next time*/ - if (select_retval) { - if ((rv = write(self->x_fd, cp, size)) == -1) { - if (errno != EAGAIN) { - PyErr_SetFromErrno(LinuxAudioError); - return NULL; - } else { - errno = 0; /* EAGAIN: buffer is full, try again */ - } - } else { - self->x_ocount += rv; - size -= rv; - cp += rv; - } - } else { - /* printf("Not able to write to linux audio device within %ld seconds\n", tv.tv_sec); */ - PyErr_SetFromErrno(LinuxAudioError); - return NULL; - } - } - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject * -lad_close(lad_t *self, PyObject *unused) -{ - if (self->x_fd >= 0) { - close(self->x_fd); - self->x_fd = -1; - } - Py_RETURN_NONE; -} - -static PyObject * -lad_fileno(lad_t *self, PyObject *unused) -{ - return PyInt_FromLong(self->x_fd); -} - -static PyObject * -lad_setparameters(lad_t *self, PyObject *args) -{ - int rate, ssize, nchannels, n, fmt, emulate=0; - - if (!PyArg_ParseTuple(args, "iiii|i:setparameters", - &rate, &ssize, &nchannels, &fmt, &emulate)) - return NULL; - - if (rate < 0) { - PyErr_Format(PyExc_ValueError, "expected rate >= 0, not %d", - rate); - return NULL; - } - if (ssize < 0) { - PyErr_Format(PyExc_ValueError, "expected sample size >= 0, not %d", - ssize); - return NULL; - } - if (nchannels != 1 && nchannels != 2) { - PyErr_Format(PyExc_ValueError, "nchannels must be 1 or 2, not %d", - nchannels); - return NULL; - } - - for (n = 0; n < n_audio_types; n++) - if (fmt == audio_types[n].a_fmt) - break; - if (n == n_audio_types) { - PyErr_Format(PyExc_ValueError, "unknown audio encoding: %d", fmt); - return NULL; - } - if (audio_types[n].a_bps != ssize) { - PyErr_Format(PyExc_ValueError, - "for %s, expected sample size %d, not %d", - audio_types[n].a_name, audio_types[n].a_bps, ssize); - return NULL; - } - - if (emulate == 0) { - if ((self->x_afmts & audio_types[n].a_fmt) == 0) { - PyErr_Format(PyExc_ValueError, - "%s format not supported by device", - audio_types[n].a_name); - return NULL; - } - } - if (ioctl(self->x_fd, SNDCTL_DSP_SETFMT, - &audio_types[n].a_fmt) == -1) { - PyErr_SetFromErrno(LinuxAudioError); - return NULL; - } - if (ioctl(self->x_fd, SNDCTL_DSP_CHANNELS, &nchannels) == -1) { - PyErr_SetFromErrno(LinuxAudioError); - return NULL; - } - if (ioctl(self->x_fd, SNDCTL_DSP_SPEED, &rate) == -1) { - PyErr_SetFromErrno(LinuxAudioError); - return NULL; - } - - Py_INCREF(Py_None); - return Py_None; -} - -static int -_ssize(lad_t *self, int *nchannels, int *ssize) -{ - int fmt; - - fmt = 0; - if (ioctl(self->x_fd, SNDCTL_DSP_SETFMT, &fmt) < 0) - return -errno; - - switch (fmt) { - case AFMT_MU_LAW: - case AFMT_A_LAW: - case AFMT_U8: - case AFMT_S8: - *ssize = sizeof(char); - break; - case AFMT_S16_LE: - case AFMT_S16_BE: - case AFMT_U16_LE: - case AFMT_U16_BE: - *ssize = sizeof(short); - break; - case AFMT_MPEG: - case AFMT_IMA_ADPCM: - default: - return -EOPNOTSUPP; - } - if (ioctl(self->x_fd, SNDCTL_DSP_CHANNELS, nchannels) < 0) - return -errno; - return 0; -} - - -/* bufsize returns the size of the hardware audio buffer in number - of samples */ -static PyObject * -lad_bufsize(lad_t *self, PyObject *unused) -{ - audio_buf_info ai; - int nchannels=0, ssize=0; - - if (_ssize(self, &nchannels, &ssize) < 0 || !ssize || !nchannels) { - PyErr_SetFromErrno(LinuxAudioError); - return NULL; - } - if (ioctl(self->x_fd, SNDCTL_DSP_GETOSPACE, &ai) < 0) { - PyErr_SetFromErrno(LinuxAudioError); - return NULL; - } - return PyInt_FromLong((ai.fragstotal * ai.fragsize) / (nchannels * ssize)); -} - -/* obufcount returns the number of samples that are available in the - hardware for playing */ -static PyObject * -lad_obufcount(lad_t *self, PyObject *unused) -{ - audio_buf_info ai; - int nchannels=0, ssize=0; - - if (_ssize(self, &nchannels, &ssize) < 0 || !ssize || !nchannels) { - PyErr_SetFromErrno(LinuxAudioError); - return NULL; - } - if (ioctl(self->x_fd, SNDCTL_DSP_GETOSPACE, &ai) < 0) { - PyErr_SetFromErrno(LinuxAudioError); - return NULL; - } - return PyInt_FromLong((ai.fragstotal * ai.fragsize - ai.bytes) / - (ssize * nchannels)); -} - -/* obufcount returns the number of samples that can be played without - blocking */ -static PyObject * -lad_obuffree(lad_t *self, PyObject *unused) -{ - audio_buf_info ai; - int nchannels=0, ssize=0; - - if (_ssize(self, &nchannels, &ssize) < 0 || !ssize || !nchannels) { - PyErr_SetFromErrno(LinuxAudioError); - return NULL; - } - if (ioctl(self->x_fd, SNDCTL_DSP_GETOSPACE, &ai) < 0) { - PyErr_SetFromErrno(LinuxAudioError); - return NULL; - } - return PyInt_FromLong(ai.bytes / (ssize * nchannels)); -} - -/* Flush the device */ -static PyObject * -lad_flush(lad_t *self, PyObject *unused) -{ - if (ioctl(self->x_fd, SNDCTL_DSP_SYNC, NULL) == -1) { - PyErr_SetFromErrno(LinuxAudioError); - return NULL; - } - Py_RETURN_NONE; -} - -static PyObject * -lad_getptr(lad_t *self, PyObject *unused) -{ - count_info info; - int req; - - if (self->x_mode == O_RDONLY) - req = SNDCTL_DSP_GETIPTR; - else - req = SNDCTL_DSP_GETOPTR; - if (ioctl(self->x_fd, req, &info) == -1) { - PyErr_SetFromErrno(LinuxAudioError); - return NULL; - } - return Py_BuildValue("iii", info.bytes, info.blocks, info.ptr); -} - -static PyMethodDef lad_methods[] = { - { "read", (PyCFunction)lad_read, METH_VARARGS }, - { "write", (PyCFunction)lad_write, METH_VARARGS }, - { "setparameters", (PyCFunction)lad_setparameters, METH_VARARGS }, - { "bufsize", (PyCFunction)lad_bufsize, METH_VARARGS }, - { "obufcount", (PyCFunction)lad_obufcount, METH_NOARGS }, - { "obuffree", (PyCFunction)lad_obuffree, METH_NOARGS }, - { "flush", (PyCFunction)lad_flush, METH_NOARGS }, - { "close", (PyCFunction)lad_close, METH_NOARGS }, - { "fileno", (PyCFunction)lad_fileno, METH_NOARGS }, - { "getptr", (PyCFunction)lad_getptr, METH_NOARGS }, - { NULL, NULL} /* sentinel */ -}; - -static PyObject * -lad_getattr(lad_t *xp, char *name) -{ - return Py_FindMethod(lad_methods, (PyObject *)xp, name); -} - -static PyTypeObject Ladtype = { - PyVarObject_HEAD_INIT(&PyType_Type, 0) - "linuxaudiodev.linux_audio_device", /*tp_name*/ - sizeof(lad_t), /*tp_size*/ - 0, /*tp_itemsize*/ - /* methods */ - (destructor)lad_dealloc, /*tp_dealloc*/ - 0, /*tp_print*/ - (getattrfunc)lad_getattr, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_compare*/ - 0, /*tp_repr*/ -}; - -static PyObject * -ladopen(PyObject *self, PyObject *args) -{ - return (PyObject *)newladobject(args); -} - -static PyMethodDef linuxaudiodev_methods[] = { - { "open", ladopen, METH_VARARGS }, - { 0, 0 }, -}; - -void -initlinuxaudiodev(void) -{ - PyObject *m; - - m = Py_InitModule("linuxaudiodev", linuxaudiodev_methods); - if (m == NULL) - return; - - LinuxAudioError = PyErr_NewException("linuxaudiodev.error", NULL, NULL); - if (LinuxAudioError) - PyModule_AddObject(m, "error", LinuxAudioError); - - if (PyModule_AddIntConstant(m, "AFMT_MU_LAW", (long)AFMT_MU_LAW) == -1) - return; - if (PyModule_AddIntConstant(m, "AFMT_A_LAW", (long)AFMT_A_LAW) == -1) - return; - if (PyModule_AddIntConstant(m, "AFMT_U8", (long)AFMT_U8) == -1) - return; - if (PyModule_AddIntConstant(m, "AFMT_S8", (long)AFMT_S8) == -1) - return; - if (PyModule_AddIntConstant(m, "AFMT_U16_BE", (long)AFMT_U16_BE) == -1) - return; - if (PyModule_AddIntConstant(m, "AFMT_U16_LE", (long)AFMT_U16_LE) == -1) - return; - if (PyModule_AddIntConstant(m, "AFMT_S16_BE", (long)AFMT_S16_BE) == -1) - return; - if (PyModule_AddIntConstant(m, "AFMT_S16_LE", (long)AFMT_S16_LE) == -1) - return; - if (PyModule_AddIntConstant(m, "AFMT_S16_NE", (long)AFMT_S16_NE) == -1) - return; - - return; -} |