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

annotate Modules/linuxaudiodev.c @ 16413:8819867f14ef legacy-trunk

Patch derived from Trent's 101162: a Python/C API testing framework. STILL NEEDS UNIX BUILD CHANGES.

author	Tim Peters <tim.peters@gmail.com>
date	Fri, 02 Feb 2001 05:57:15 +0000
parents	c8205552dde1
children	03ba06247486

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 * Last Modified By: Peter Bosch
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	8 * Last Modified On: Fri Mar 24 11:27:00 2000
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	9 * Status : Unknown, Use with caution!
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	10 *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	11 * 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	12 * 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	13 * 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	14 * (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	15 ******************************************************************************
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	16 */
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	17
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	18 #include "Python.h"
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	19 #include "structmember.h"
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	20
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	21 #ifdef HAVE_UNISTD_H
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	22 #include <unistd.h>
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	23 #endif
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	24
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	25 #ifdef HAVE_FCNTL_H
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	26 #include <fcntl.h>
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	27 #else
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	28 #define O_RDONLY 00
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	29 #define O_WRONLY 01
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	30 #endif
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	31
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	32
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	33 #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	34 #if defined(linux)
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	35 #include <linux/soundcard.h>
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	36
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	37 typedef unsigned long uint32_t;
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	38
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	39 #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	40 #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	41
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	42 #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	43 #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	44 #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	45
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	46 #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	47
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	48 typedef struct {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	49 PyObject_HEAD;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	50 int x_fd; /* The open file */
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	51 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	52 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	53 int x_ocount; /* Output count */
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	54 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	55 } lad_t;
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	56
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	57 /* XXX several format defined in soundcard.h are not supported,
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	58 including _NE (native endian) options and S32 options
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	59 */
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	60
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	61 static struct {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	62 int a_bps;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	63 uint32_t a_fmt;
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	64 char *a_name;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	65 } audio_types[] = {
15900 1129e16a11df better format names and error messages Ka-Ping Yee <ping@zesty.ca> parents: 15095 diff changeset	66 { 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	67 { 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	68 { 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	69 { 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	70 { 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	71 { 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	72 { 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	73 { 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	74 { 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	75 };
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	76
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	77 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	78
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	79 staticforward PyTypeObject Ladtype;
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	80
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	81 static PyObject *LinuxAudioError;
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	82
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	83 static lad_t *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	84 newladobject(PyObject *arg)
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	85 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	86 lad_t *xp;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	87 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	88 char *mode;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	89 char *basedev;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	90
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	91 /* 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	92 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	93 if (strcmp(mode, "r") == 0)
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	94 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	95 else if (strcmp(mode, "w") == 0)
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	96 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	97 else {
15900 1129e16a11df better format names and error messages Ka-Ping Yee <ping@zesty.ca> parents: 15095 diff changeset	98 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	99 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	100 }
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	101
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	102 /* 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	103 * 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	104 * control device tacks "ctl" onto the base device name.
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	105 *
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	106 * Note that the only difference between /dev/audio and /dev/dsp
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	107 * is that the former uses logarithmic mu-law encoding and the
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	108 * 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	109 */
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	110
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	111 basedev = getenv("AUDIODEV");
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	112 if (!basedev)
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	113 basedev = "/dev/dsp";
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	114
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	115 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	116 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	117 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	118 }
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	119 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	120 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	121 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	122 }
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	123 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	124 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	125 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	126 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	127 /* 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	128 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	129 close(fd);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	130 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	131 }
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	132 xp->x_fd = fd;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	133 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	134 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	135 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	136 return xp;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	137 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	138
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	139 static void
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	140 lad_dealloc(lad_t *xp)
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	141 {
14057 ca8dc1bae67d lad_dealloc(): if xp->x_fd == -1, it means the descriptor's already Barry Warsaw <barry@python.org> parents: 13651 diff changeset	142 /* 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	143 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	144 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	145 PyObject_Del(xp);
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	146 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	147
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	148 static PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	149 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	150 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	151 int size, count;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	152 char *cp;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	153 PyObject *rv;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	154
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	155 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	156 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	157 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	158 if (rv == NULL)
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	159 return NULL;
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	160 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	161 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	162 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	163 Py_DECREF(rv);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	164 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	165 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	166 self->x_icount += count;
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	167 if (_PyString_Resize(&rv, count) == -1)
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	168 return NULL;
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	169 return rv;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	170 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	171
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	172 static PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	173 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	174 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	175 char *cp;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	176 int rv, size;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	177
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	178 if (!PyArg_ParseTuple(args, "s#:write", &cp, &size))
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	179 return NULL;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	180
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	181 while (size > 0) {
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	182 if ((rv = write(self->x_fd, cp, size)) == -1) {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	183 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	184 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	185 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	186 self->x_ocount += rv;
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	187 size -= rv;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	188 cp += rv;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	189 }
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	190 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	191 return Py_None;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	192 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	193
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	194 static PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	195 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	196 {
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	197 if (!PyArg_ParseTuple(args, ":close"))
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	198 return NULL;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	199
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	200 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	201 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	202 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	203 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	204 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	205 return Py_None;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	206 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	207
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	208 static PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	209 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	210 {
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	211 if (!PyArg_ParseTuple(args, ":fileno"))
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	212 return NULL;
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	213 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	214 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	215
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	216 static PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	217 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	218 {
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	219 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	220
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	221 if (!PyArg_ParseTuple(args, "iiii\|i:setparameters",
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	222 &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	223 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	224
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	225 if (rate < 0) {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	226 PyErr_Format(PyExc_ValueError, "expected rate >= 0, not %d",
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	227 rate);
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	228 return NULL;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	229 }
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	230 if (ssize < 0) {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	231 PyErr_Format(PyExc_ValueError, "expected sample size >= 0, not %d",
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	232 ssize);
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	233 return NULL;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	234 }
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	235 if (nchannels != 1 && nchannels != 2) {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	236 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	237 nchannels);
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	238 return NULL;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	239 }
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	240
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	241 if (ioctl(self->x_fd, SNDCTL_DSP_SPEED, &rate) == -1) {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	242 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	243 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	244 }
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	245 if (ioctl(self->x_fd, SNDCTL_DSP_CHANNELS, &nchannels) == -1) {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	246 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	247 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	248 }
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	249
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	250 for (n = 0; n < n_audio_types; n++)
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	251 if (fmt == audio_types[n].a_fmt)
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	252 break;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	253 if (n == n_audio_types) {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	254 PyErr_Format(PyExc_ValueError, "unknown audio encoding: %d", fmt);
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	255 return NULL;
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 if (audio_types[n].a_bps != ssize) {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	258 PyErr_Format(PyExc_ValueError,
15900 1129e16a11df better format names and error messages Ka-Ping Yee <ping@zesty.ca> parents: 15095 diff changeset	259 "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	260 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	261 return NULL;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	262 }
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 (emulate == 0) {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	265 if ((self->x_afmts & audio_types[n].a_fmt) == 0) {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	266 PyErr_Format(PyExc_ValueError,
15900 1129e16a11df better format names and error messages Ka-Ping Yee <ping@zesty.ca> parents: 15095 diff changeset	267 "%s format not supported by device",
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	268 audio_types[n].a_name);
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	269 return NULL;
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 }
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	272 if (ioctl(self->x_fd, SNDCTL_DSP_SETFMT,
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	273 &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	274 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	275 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	276 }
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	277
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	278 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	279 return Py_None;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	280 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	281
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	282 static int
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	283 _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	284 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	285 int fmt;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	286
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	287 fmt = 0;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	288 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	289 return -errno;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	290
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	291 switch (fmt) {
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	292 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	293 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	294 case AFMT_U8:
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	295 case AFMT_S8:
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	296 *ssize = sizeof(char);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	297 break;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	298 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	299 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	300 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	301 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	302 *ssize = sizeof(short);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	303 break;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	304 case AFMT_MPEG:
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	305 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	306 default:
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	307 return -EOPNOTSUPP;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	308 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	309 *nchannels = 0;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	310 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	311 return -errno;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	312 return 0;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	313 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	314
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	315
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	316 /* 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	317 of samples */
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	318 static PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	319 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	320 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	321 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	322 int nchannels, ssize;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	323
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	324 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	325
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	326 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	327 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	328 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	329 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	330 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	331 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	332 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	333 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	334 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	335 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	336
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	337 /* 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	338 hardware for playing */
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	339 static PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	340 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	341 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	342 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	343 int nchannels, ssize;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	344
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	345 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	346 return NULL;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	347
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	348 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	349 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	350 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	351 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	352 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	353 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	354 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	355 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	356 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	357 (ssize * nchannels));
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	358 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	359
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	360 /* 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	361 blocking */
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	362 static PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	363 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	364 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	365 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	366 int nchannels, ssize;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	367
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	368 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	369 return NULL;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	370
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	371 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	372 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	373 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	374 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	375 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	376 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	377 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	378 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	379 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	380 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	381
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	382 /* Flush the device */
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	383 static PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	384 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	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 (!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	387
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	388 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	389 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	390 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	391 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	392 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	393 return Py_None;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	394 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	395
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	396 static PyObject *
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	397 lad_getptr(lad_t self, PyObject args)
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	398 {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	399 count_info info;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	400 int req;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	401
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	402 if (!PyArg_ParseTuple(args, ":getptr"))
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	403 return NULL;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	404
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	405 if (self->x_mode == O_RDONLY)
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	406 req = SNDCTL_DSP_GETIPTR;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	407 else
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	408 req = SNDCTL_DSP_GETOPTR;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	409 if (ioctl(self->x_fd, req, &info) == -1) {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	410 PyErr_SetFromErrno(LinuxAudioError);
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	411 return NULL;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	412 }
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	413 return Py_BuildValue("iii", info.bytes, info.blocks, info.ptr);
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	414 }
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	415
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	416 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	417 { "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	418 { "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	419 { "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	420 { "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	421 { "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	422 { "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	423 { "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	424 { "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	425 { "fileno", (PyCFunction)lad_fileno, METH_VARARGS },
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	426 { "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	427 { NULL, NULL} /* sentinel */
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	428 };
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	429
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	430 static PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	431 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	432 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	433 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	434 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	435
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	436 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	437 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	438 0, /ob_size/
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	439 "linux_audio_device", /tp_name/
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	440 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	441 0, /tp_itemsize/
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	442 /* methods */
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	443 (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	444 0, /tp_print/
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	445 (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	446 0, /tp_setattr/
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	447 0, /tp_compare/
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	448 0, /tp_repr/
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 PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	452 ladopen(PyObject self, PyObject args)
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	453 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	454 return (PyObject *)newladobject(args);
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	455 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	456
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	457 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	458 { "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	459 { 0, 0 },
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	460 };
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	461
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	462 void
13651 8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)', Thomas Wouters <thomas@python.org> parents: 13543 diff changeset	463 initlinuxaudiodev(void)
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	464 {
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	465 PyObject *m;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	466
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	467 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	468
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	469 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	470 if (LinuxAudioError)
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	471 PyModule_AddObject(m, "error", LinuxAudioError);
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	472
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	473 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	474 return;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	475 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	476 return;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	477 if (PyModule_AddIntConstant(m, "AFMT_U8", (long)AFMT_U8) == -1)
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	478 return;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	479 if (PyModule_AddIntConstant(m, "AFMT_S8", (long)AFMT_S8) == -1)
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	480 return;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	481 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	482 return;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	483 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	484 return;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	485 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	486 return;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	487 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	488 return;
15095 c199460ccde9 Be consistent in the description of audio formats: <format> <width> Guido van Rossum <guido@python.org> parents: 15062 diff changeset	489 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	490 return;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	491
14346 5397fdf88ec2 Do the absolute minimal amount of modifications to eradicate Barry Warsaw <barry@python.org> parents: 14306 diff changeset	492 return;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	493 }

Mercurial > cpython-lru_cache-weakref

annotate Modules/linuxaudiodev.c @ 16413:8819867f14ef legacy-trunk