cpython-lru_cache-weakref: Modules/linuxaudiodev.c annotate

annotate Modules/linuxaudiodev.c @ 25838:8540887bcec6 2.2

Backport of 2.183: Fix memory leak in add_subclass() found by NealN with valgrind.

author	Guido van Rossum <guido@python.org>
date	Fri, 18 Oct 2002 13:42:21 +0000
parents	e223397b26fa
children	6fa76b4e59fe

rev	line source
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	1 /* Hey Emacs, this is --C--
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	2 ******************************************************************************
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	3 * linuxaudiodev.c -- Linux audio device for python.
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	4 *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	5 * Author : Peter Bosch
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	6 * Created On : Thu Mar 2 21:10:33 2000
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	7 * Status : Unknown, Use with caution!
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	8 *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	9 * Unless other notices are present in any part of this file
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	10 * explicitly claiming copyrights for other people and/or
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	11 * organizations, the contents of this file is fully copyright
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	12 * (C) 2000 Peter Bosch, all rights reserved.
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	13 ******************************************************************************
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	14 */
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	15
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	16 #include "Python.h"
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	17 #include "structmember.h"
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	18
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	19 #ifdef HAVE_FCNTL_H
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	20 #include <fcntl.h>
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	21 #else
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	22 #define O_RDONLY 00
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	23 #define O_WRONLY 01
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	24 #endif
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	25
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	26
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	27 #include <sys/ioctl.h>
14306 62ec0bfd93f8 This module has a poor name, since it can be used under FreeBSD and Jeremy Hylton <jeremy@alum.mit.edu> parents: 14057 diff changeset	28 #if defined(linux)
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	29 #include <linux/soundcard.h>
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	30
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	31 typedef unsigned long uint32_t;
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	32
14306 62ec0bfd93f8 This module has a poor name, since it can be used under FreeBSD and Jeremy Hylton <jeremy@alum.mit.edu> parents: 14057 diff changeset	33 #elif defined(__FreeBSD__)
62ec0bfd93f8 This module has a poor name, since it can be used under FreeBSD and Jeremy Hylton <jeremy@alum.mit.edu> parents: 14057 diff changeset	34 #include <machine/soundcard.h>
62ec0bfd93f8 This module has a poor name, since it can be used under FreeBSD and Jeremy Hylton <jeremy@alum.mit.edu> parents: 14057 diff changeset	35
62ec0bfd93f8 This module has a poor name, since it can be used under FreeBSD and Jeremy Hylton <jeremy@alum.mit.edu> parents: 14057 diff changeset	36 #ifndef SNDCTL_DSP_CHANNELS
62ec0bfd93f8 This module has a poor name, since it can be used under FreeBSD and Jeremy Hylton <jeremy@alum.mit.edu> parents: 14057 diff changeset	37 #define SNDCTL_DSP_CHANNELS SOUND_PCM_WRITE_CHANNELS
62ec0bfd93f8 This module has a poor name, since it can be used under FreeBSD and Jeremy Hylton <jeremy@alum.mit.edu> parents: 14057 diff changeset	38 #endif
62ec0bfd93f8 This module has a poor name, since it can be used under FreeBSD and Jeremy Hylton <jeremy@alum.mit.edu> parents: 14057 diff changeset	39
62ec0bfd93f8 This module has a poor name, since it can be used under FreeBSD and Jeremy Hylton <jeremy@alum.mit.edu> parents: 14057 diff changeset	40 #endif
62ec0bfd93f8 This module has a poor name, since it can be used under FreeBSD and Jeremy Hylton <jeremy@alum.mit.edu> parents: 14057 diff changeset	41
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	42 typedef struct {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	43 PyObject_HEAD;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	44 int x_fd; /* The open file */
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	45 int x_mode; /* file mode */
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	46 int x_icount; /* Input count */
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	47 int x_ocount; /* Output count */
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	48 uint32_t x_afmts; /* Audio formats supported by hardware*/
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	49 } lad_t;
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	50
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	51 /* XXX several format defined in soundcard.h are not supported,
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	52 including _NE (native endian) options and S32 options
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	53 */
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	54
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	55 static struct {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	56 int a_bps;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	57 uint32_t a_fmt;
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	58 char *a_name;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	59 } audio_types[] = {
15900 1129e16a11df better format names and error messages Ka-Ping Yee <ping@zesty.ca> parents: 15095 diff changeset	60 { 8, AFMT_MU_LAW, "logarithmic mu-law 8-bit audio" },
1129e16a11df better format names and error messages Ka-Ping Yee <ping@zesty.ca> parents: 15095 diff changeset	61 { 8, AFMT_A_LAW, "logarithmic A-law 8-bit audio" },
1129e16a11df better format names and error messages Ka-Ping Yee <ping@zesty.ca> parents: 15095 diff changeset	62 { 8, AFMT_U8, "linear unsigned 8-bit audio" },
1129e16a11df better format names and error messages Ka-Ping Yee <ping@zesty.ca> parents: 15095 diff changeset	63 { 8, AFMT_S8, "linear signed 8-bit audio" },
1129e16a11df better format names and error messages Ka-Ping Yee <ping@zesty.ca> parents: 15095 diff changeset	64 { 16, AFMT_U16_BE, "linear unsigned 16-bit big-endian audio" },
1129e16a11df better format names and error messages Ka-Ping Yee <ping@zesty.ca> parents: 15095 diff changeset	65 { 16, AFMT_U16_LE, "linear unsigned 16-bit little-endian audio" },
1129e16a11df better format names and error messages Ka-Ping Yee <ping@zesty.ca> parents: 15095 diff changeset	66 { 16, AFMT_S16_BE, "linear signed 16-bit big-endian audio" },
1129e16a11df better format names and error messages Ka-Ping Yee <ping@zesty.ca> parents: 15095 diff changeset	67 { 16, AFMT_S16_LE, "linear signed 16-bit little-endian audio" },
15958 c8205552dde1 Restore lost AFMT_S16_NE entry. Ka-Ping Yee <ping@zesty.ca> parents: 15900 diff changeset	68 { 16, AFMT_S16_NE, "linear signed 16-bit native-endian audio" },
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	69 };
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	70
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	71 static int n_audio_types = sizeof(audio_types) / sizeof(audio_types[0]);
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	72
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	73 staticforward PyTypeObject Ladtype;
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	74
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	75 static PyObject *LinuxAudioError;
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	76
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	77 static lad_t *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	78 newladobject(PyObject *arg)
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	79 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	80 lad_t *xp;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	81 int fd, afmts, imode;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	82 char *mode;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	83 char *basedev;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	84
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	85 /* Check arg for r/w/rw */
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	86 if (!PyArg_ParseTuple(arg, "s:open", &mode)) return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	87 if (strcmp(mode, "r") == 0)
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	88 imode = O_RDONLY;
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	89 else if (strcmp(mode, "w") == 0)
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	90 imode = O_WRONLY;
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	91 else {
15900 1129e16a11df better format names and error messages Ka-Ping Yee <ping@zesty.ca> parents: 15095 diff changeset	92 PyErr_SetString(LinuxAudioError, "mode should be 'r' or 'w'");
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	93 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	94 }
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	95
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	96 /* Open the correct device. The base device name comes from the
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	97 * AUDIODEV environment variable first, then /dev/dsp. The
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	98 * control device tacks "ctl" onto the base device name.
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	99 *
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	100 * Note that the only difference between /dev/audio and /dev/dsp
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	101 * is that the former uses logarithmic mu-law encoding and the
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	102 * latter uses 8-bit unsigned encoding.
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	103 */
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	104
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	105 basedev = getenv("AUDIODEV");
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	106 if (!basedev)
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	107 basedev = "/dev/dsp";
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	108
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	109 if ((fd = open(basedev, imode)) == -1) {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	110 PyErr_SetFromErrnoWithFilename(LinuxAudioError, basedev);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	111 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	112 }
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	113 if (imode == O_WRONLY && ioctl(fd, SNDCTL_DSP_NONBLOCK, NULL) == -1) {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	114 PyErr_SetFromErrnoWithFilename(LinuxAudioError, basedev);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	115 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	116 }
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	117 if (ioctl(fd, SNDCTL_DSP_GETFMTS, &afmts) == -1) {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	118 PyErr_SetFromErrnoWithFilename(LinuxAudioError, basedev);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	119 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	120 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	121 /* Create and initialize the object */
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	122 if ((xp = PyObject_New(lad_t, &Ladtype)) == NULL) {
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	123 close(fd);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	124 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	125 }
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	126 xp->x_fd = fd;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	127 xp->x_mode = imode;
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	128 xp->x_icount = xp->x_ocount = 0;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	129 xp->x_afmts = afmts;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	130 return xp;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	131 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	132
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	133 static void
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	134 lad_dealloc(lad_t *xp)
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	135 {
14057 ca8dc1bae67d lad_dealloc(): if xp->x_fd == -1, it means the descriptor's already Barry Warsaw <barry@python.org> parents: 13651 diff changeset	136 /* if already closed, don't reclose it */
ca8dc1bae67d lad_dealloc(): if xp->x_fd == -1, it means the descriptor's already Barry Warsaw <barry@python.org> parents: 13651 diff changeset	137 if (xp->x_fd != -1)
ca8dc1bae67d lad_dealloc(): if xp->x_fd == -1, it means the descriptor's already Barry Warsaw <barry@python.org> parents: 13651 diff changeset	138 close(xp->x_fd);
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	139 PyObject_Del(xp);
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	140 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	141
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	142 static PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	143 lad_read(lad_t self, PyObject args)
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	144 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	145 int size, count;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	146 char *cp;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	147 PyObject *rv;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	148
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	149 if (!PyArg_ParseTuple(args, "i:read", &size))
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	150 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	151 rv = PyString_FromStringAndSize(NULL, size);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	152 if (rv == NULL)
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	153 return NULL;
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	154 cp = PyString_AS_STRING(rv);
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	155 if ((count = read(self->x_fd, cp, size)) < 0) {
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	156 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	157 Py_DECREF(rv);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	158 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	159 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	160 self->x_icount += count;
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	161 if (_PyString_Resize(&rv, count) == -1)
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	162 return NULL;
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	163 return rv;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	164 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	165
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	166 static PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	167 lad_write(lad_t self, PyObject args)
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	168 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	169 char *cp;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	170 int rv, size;
17302 03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	171 fd_set write_set_fds;
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	172 struct timeval tv;
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	173 int select_retval;
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	174
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	175 if (!PyArg_ParseTuple(args, "s#:write", &cp, &size))
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	176 return NULL;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	177
17302 03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	178 /* use select to wait for audio device to be available */
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	179 FD_ZERO(&write_set_fds);
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	180 FD_SET(self->x_fd, &write_set_fds);
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	181 tv.tv_sec = 4; /* timeout values */
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	182 tv.tv_usec = 0;
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	183
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	184 while (size > 0) {
17302 03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	185 select_retval = select(self->x_fd+1, NULL, &write_set_fds, NULL, &tv);
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	186 tv.tv_sec = 1; tv.tv_usec = 0; /* willing to wait this long next time*/
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	187 if (select_retval) {
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	188 if ((rv = write(self->x_fd, cp, size)) == -1) {
17302 03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	189 if (errno != EAGAIN) {
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	190 PyErr_SetFromErrno(LinuxAudioError);
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	191 return NULL;
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	192 } else {
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	193 errno = 0; /* EAGAIN: buffer is full, try again */
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	194 }
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	195 } else {
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	196 self->x_ocount += rv;
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	197 size -= rv;
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	198 cp += rv;
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	199 }
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	200 } else {
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	201 /* printf("Not able to write to linux audio device within %ld seconds\n", tv.tv_sec); */
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	202 PyErr_SetFromErrno(LinuxAudioError);
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	203 return NULL;
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	204 }
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	205 }
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	206 Py_INCREF(Py_None);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	207 return Py_None;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	208 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	209
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	210 static PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	211 lad_close(lad_t self, PyObject args)
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	212 {
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	213 if (!PyArg_ParseTuple(args, ":close"))
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	214 return NULL;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	215
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	216 if (self->x_fd >= 0) {
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	217 close(self->x_fd);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	218 self->x_fd = -1;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	219 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	220 Py_INCREF(Py_None);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	221 return Py_None;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	222 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	223
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	224 static PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	225 lad_fileno(lad_t self, PyObject args)
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	226 {
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	227 if (!PyArg_ParseTuple(args, ":fileno"))
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	228 return NULL;
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	229 return PyInt_FromLong(self->x_fd);
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	230 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	231
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	232 static PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	233 lad_setparameters(lad_t self, PyObject args)
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	234 {
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	235 int rate, ssize, nchannels, n, fmt, emulate=0;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	236
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	237 if (!PyArg_ParseTuple(args, "iiii\|i:setparameters",
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	238 &rate, &ssize, &nchannels, &fmt, &emulate))
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	239 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	240
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	241 if (rate < 0) {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	242 PyErr_Format(PyExc_ValueError, "expected rate >= 0, not %d",
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	243 rate);
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	244 return NULL;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	245 }
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	246 if (ssize < 0) {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	247 PyErr_Format(PyExc_ValueError, "expected sample size >= 0, not %d",
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	248 ssize);
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	249 return NULL;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	250 }
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	251 if (nchannels != 1 && nchannels != 2) {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	252 PyErr_Format(PyExc_ValueError, "nchannels must be 1 or 2, not %d",
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	253 nchannels);
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	254 return NULL;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	255 }
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	256
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	257 for (n = 0; n < n_audio_types; n++)
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	258 if (fmt == audio_types[n].a_fmt)
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	259 break;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	260 if (n == n_audio_types) {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	261 PyErr_Format(PyExc_ValueError, "unknown audio encoding: %d", fmt);
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	262 return NULL;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	263 }
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	264 if (audio_types[n].a_bps != ssize) {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	265 PyErr_Format(PyExc_ValueError,
15900 1129e16a11df better format names and error messages Ka-Ping Yee <ping@zesty.ca> parents: 15095 diff changeset	266 "for %s, expected sample size %d, not %d",
1129e16a11df better format names and error messages Ka-Ping Yee <ping@zesty.ca> parents: 15095 diff changeset	267 audio_types[n].a_name, audio_types[n].a_bps, ssize);
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	268 return NULL;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	269 }
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	270
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	271 if (emulate == 0) {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	272 if ((self->x_afmts & audio_types[n].a_fmt) == 0) {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	273 PyErr_Format(PyExc_ValueError,
15900 1129e16a11df better format names and error messages Ka-Ping Yee <ping@zesty.ca> parents: 15095 diff changeset	274 "%s format not supported by device",
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	275 audio_types[n].a_name);
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	276 return NULL;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	277 }
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	278 }
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	279 if (ioctl(self->x_fd, SNDCTL_DSP_SETFMT,
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	280 &audio_types[n].a_fmt) == -1) {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	281 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	282 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	283 }
21312 0102692417af SF patch #489989 (Charles G Waldman) linuxaudiodev.c - fix initialization Guido van Rossum <guido@python.org> parents: 17302 diff changeset	284 if (ioctl(self->x_fd, SNDCTL_DSP_CHANNELS, &nchannels) == -1) {
0102692417af SF patch #489989 (Charles G Waldman) linuxaudiodev.c - fix initialization Guido van Rossum <guido@python.org> parents: 17302 diff changeset	285 PyErr_SetFromErrno(LinuxAudioError);
0102692417af SF patch #489989 (Charles G Waldman) linuxaudiodev.c - fix initialization Guido van Rossum <guido@python.org> parents: 17302 diff changeset	286 return NULL;
0102692417af SF patch #489989 (Charles G Waldman) linuxaudiodev.c - fix initialization Guido van Rossum <guido@python.org> parents: 17302 diff changeset	287 }
0102692417af SF patch #489989 (Charles G Waldman) linuxaudiodev.c - fix initialization Guido van Rossum <guido@python.org> parents: 17302 diff changeset	288 if (ioctl(self->x_fd, SNDCTL_DSP_SPEED, &rate) == -1) {
0102692417af SF patch #489989 (Charles G Waldman) linuxaudiodev.c - fix initialization Guido van Rossum <guido@python.org> parents: 17302 diff changeset	289 PyErr_SetFromErrno(LinuxAudioError);
0102692417af SF patch #489989 (Charles G Waldman) linuxaudiodev.c - fix initialization Guido van Rossum <guido@python.org> parents: 17302 diff changeset	290 return NULL;
0102692417af SF patch #489989 (Charles G Waldman) linuxaudiodev.c - fix initialization Guido van Rossum <guido@python.org> parents: 17302 diff changeset	291 }
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	292
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	293 Py_INCREF(Py_None);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	294 return Py_None;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	295 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	296
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	297 static int
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	298 _ssize(lad_t self, int nchannels, int *ssize)
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	299 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	300 int fmt;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	301
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	302 fmt = 0;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	303 if (ioctl(self->x_fd, SNDCTL_DSP_SETFMT, &fmt) < 0)
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	304 return -errno;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	305
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	306 switch (fmt) {
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	307 case AFMT_MU_LAW:
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	308 case AFMT_A_LAW:
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	309 case AFMT_U8:
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	310 case AFMT_S8:
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	311 *ssize = sizeof(char);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	312 break;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	313 case AFMT_S16_LE:
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	314 case AFMT_S16_BE:
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	315 case AFMT_U16_LE:
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	316 case AFMT_U16_BE:
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	317 *ssize = sizeof(short);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	318 break;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	319 case AFMT_MPEG:
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	320 case AFMT_IMA_ADPCM:
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	321 default:
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	322 return -EOPNOTSUPP;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	323 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	324 *nchannels = 0;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	325 if (ioctl(self->x_fd, SNDCTL_DSP_CHANNELS, nchannels) < 0)
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	326 return -errno;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	327 return 0;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	328 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	329
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	330
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	331 /* bufsize returns the size of the hardware audio buffer in number
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	332 of samples */
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	333 static PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	334 lad_bufsize(lad_t self, PyObject args)
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	335 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	336 audio_buf_info ai;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	337 int nchannels, ssize;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	338
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	339 if (!PyArg_ParseTuple(args, ":bufsize")) return NULL;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	340
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	341 if (_ssize(self, &nchannels, &ssize) < 0) {
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	342 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	343 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	344 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	345 if (ioctl(self->x_fd, SNDCTL_DSP_GETOSPACE, &ai) < 0) {
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	346 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	347 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	348 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	349 return PyInt_FromLong((ai.fragstotal * ai.fragsize) / (nchannels * ssize));
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	350 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	351
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	352 /* obufcount returns the number of samples that are available in the
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	353 hardware for playing */
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	354 static PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	355 lad_obufcount(lad_t self, PyObject args)
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	356 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	357 audio_buf_info ai;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	358 int nchannels, ssize;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	359
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	360 if (!PyArg_ParseTuple(args, ":obufcount"))
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	361 return NULL;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	362
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	363 if (_ssize(self, &nchannels, &ssize) < 0) {
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	364 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	365 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	366 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	367 if (ioctl(self->x_fd, SNDCTL_DSP_GETOSPACE, &ai) < 0) {
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	368 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	369 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	370 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	371 return PyInt_FromLong((ai.fragstotal * ai.fragsize - ai.bytes) /
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	372 (ssize * nchannels));
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	373 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	374
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	375 /* obufcount returns the number of samples that can be played without
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	376 blocking */
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	377 static PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	378 lad_obuffree(lad_t self, PyObject args)
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	379 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	380 audio_buf_info ai;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	381 int nchannels, ssize;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	382
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	383 if (!PyArg_ParseTuple(args, ":obuffree"))
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	384 return NULL;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	385
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	386 if (_ssize(self, &nchannels, &ssize) < 0) {
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	387 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	388 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	389 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	390 if (ioctl(self->x_fd, SNDCTL_DSP_GETOSPACE, &ai) < 0) {
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	391 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	392 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	393 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	394 return PyInt_FromLong(ai.bytes / (ssize * nchannels));
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	395 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	396
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	397 /* Flush the device */
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	398 static PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	399 lad_flush(lad_t self, PyObject args)
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	400 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	401 if (!PyArg_ParseTuple(args, ":flush")) return NULL;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	402
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	403 if (ioctl(self->x_fd, SNDCTL_DSP_SYNC, NULL) == -1) {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	404 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	405 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	406 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	407 Py_INCREF(Py_None);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	408 return Py_None;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	409 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	410
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	411 static PyObject *
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	412 lad_getptr(lad_t self, PyObject args)
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	413 {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	414 count_info info;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	415 int req;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	416
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	417 if (!PyArg_ParseTuple(args, ":getptr"))
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	418 return NULL;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	419
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	420 if (self->x_mode == O_RDONLY)
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	421 req = SNDCTL_DSP_GETIPTR;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	422 else
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	423 req = SNDCTL_DSP_GETOPTR;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	424 if (ioctl(self->x_fd, req, &info) == -1) {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	425 PyErr_SetFromErrno(LinuxAudioError);
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	426 return NULL;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	427 }
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	428 return Py_BuildValue("iii", info.bytes, info.blocks, info.ptr);
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	429 }
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	430
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	431 static PyMethodDef lad_methods[] = {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	432 { "read", (PyCFunction)lad_read, METH_VARARGS },
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	433 { "write", (PyCFunction)lad_write, METH_VARARGS },
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	434 { "setparameters", (PyCFunction)lad_setparameters, METH_VARARGS },
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	435 { "bufsize", (PyCFunction)lad_bufsize, METH_VARARGS },
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	436 { "obufcount", (PyCFunction)lad_obufcount, METH_VARARGS },
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	437 { "obuffree", (PyCFunction)lad_obuffree, METH_VARARGS },
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	438 { "flush", (PyCFunction)lad_flush, METH_VARARGS },
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	439 { "close", (PyCFunction)lad_close, METH_VARARGS },
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	440 { "fileno", (PyCFunction)lad_fileno, METH_VARARGS },
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	441 { "getptr", (PyCFunction)lad_getptr, METH_VARARGS },
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	442 { NULL, NULL} /* sentinel */
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	443 };
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	444
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	445 static PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	446 lad_getattr(lad_t xp, char name)
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	447 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	448 return Py_FindMethod(lad_methods, (PyObject *)xp, name);
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	449 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	450
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	451 static PyTypeObject Ladtype = {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	452 PyObject_HEAD_INIT(&PyType_Type)
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	453 0, /ob_size/
21313 91dd223829c6 Patch supplied by Burton Radons for his own SF bug #487390: Modifying Guido van Rossum <guido@python.org> parents: 21312 diff changeset	454 "linuxaudiodev.linux_audio_device", /tp_name/
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	455 sizeof(lad_t), /tp_size/
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	456 0, /tp_itemsize/
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	457 /* methods */
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	458 (destructor)lad_dealloc, /tp_dealloc/
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	459 0, /tp_print/
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	460 (getattrfunc)lad_getattr, /tp_getattr/
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	461 0, /tp_setattr/
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	462 0, /tp_compare/
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	463 0, /tp_repr/
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	464 };
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	465
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	466 static PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	467 ladopen(PyObject self, PyObject args)
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	468 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	469 return (PyObject *)newladobject(args);
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	470 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	471
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	472 static PyMethodDef linuxaudiodev_methods[] = {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	473 { "open", ladopen, METH_VARARGS },
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	474 { 0, 0 },
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	475 };
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	476
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	477 void
13651 8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)', Thomas Wouters <thomas@python.org> parents: 13543 diff changeset	478 initlinuxaudiodev(void)
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	479 {
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	480 PyObject *m;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	481
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	482 m = Py_InitModule("linuxaudiodev", linuxaudiodev_methods);
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	483
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	484 LinuxAudioError = PyErr_NewException("linuxaudiodev.error", NULL, NULL);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	485 if (LinuxAudioError)
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	486 PyModule_AddObject(m, "error", LinuxAudioError);
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	487
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	488 if (PyModule_AddIntConstant(m, "AFMT_MU_LAW", (long)AFMT_MU_LAW) == -1)
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	489 return;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	490 if (PyModule_AddIntConstant(m, "AFMT_A_LAW", (long)AFMT_A_LAW) == -1)
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	491 return;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	492 if (PyModule_AddIntConstant(m, "AFMT_U8", (long)AFMT_U8) == -1)
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	493 return;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	494 if (PyModule_AddIntConstant(m, "AFMT_S8", (long)AFMT_S8) == -1)
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	495 return;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	496 if (PyModule_AddIntConstant(m, "AFMT_U16_BE", (long)AFMT_U16_BE) == -1)
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	497 return;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	498 if (PyModule_AddIntConstant(m, "AFMT_U16_LE", (long)AFMT_U16_LE) == -1)
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	499 return;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	500 if (PyModule_AddIntConstant(m, "AFMT_S16_BE", (long)AFMT_S16_BE) == -1)
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	501 return;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	502 if (PyModule_AddIntConstant(m, "AFMT_S16_LE", (long)AFMT_S16_LE) == -1)
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	503 return;
15095 c199460ccde9 Be consistent in the description of audio formats: <format> <width> Guido van Rossum <guido@python.org> parents: 15062 diff changeset	504 if (PyModule_AddIntConstant(m, "AFMT_S16_NE", (long)AFMT_S16_NE) == -1)
c199460ccde9 Be consistent in the description of audio formats: <format> <width> Guido van Rossum <guido@python.org> parents: 15062 diff changeset	505 return;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	506
14346 5397fdf88ec2 Do the absolute minimal amount of modifications to eradicate Barry Warsaw <barry@python.org> parents: 14306 diff changeset	507 return;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	508 }

Mercurial > cpython-lru_cache-weakref

annotate Modules/linuxaudiodev.c @ 25838:8540887bcec6 2.2