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

annotate Modules/linuxaudiodev.c @ 58765:2ba7677bfa95 legacy-trunk

testCopysign was defined twice in test_math; combine the definitions

author	Mark Dickinson <dickinsm@gmail.com>
date	Sat, 06 Feb 2010 23:11:25 +0000
parents	52294af4b663
children	fd25030223b0

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
39992 0c36410c39e8 Compilation problem caused by conflicting typedefs for uint32_t Armin Rigo <arigo@tunes.org> parents: 38489 diff changeset	31 #ifndef HAVE_STDINT_H
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	32 typedef unsigned long uint32_t;
39992 0c36410c39e8 Compilation problem caused by conflicting typedefs for uint32_t Armin Rigo <arigo@tunes.org> parents: 38489 diff changeset	33 #endif
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	34
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	35 #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	36 #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	37
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 #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	39 #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	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
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 #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	43
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	44 typedef struct {
36221 a1b1e451d82e Fix icc warnings: extra semi-colon Neal Norwitz <nnorwitz@gmail.com> parents: 26453 diff changeset	45 PyObject_HEAD
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_fd; /* The open file */
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	47 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	48 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	49 int x_ocount; /* Output count */
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	50 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	51 } lad_t;
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	52
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	53 /* XXX several format defined in soundcard.h are not supported,
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	54 including _NE (native endian) options and S32 options
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	55 */
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	56
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	57 static struct {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	58 int a_bps;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	59 uint32_t a_fmt;
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	60 char *a_name;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	61 } audio_types[] = {
15900 1129e16a11df better format names and error messages Ka-Ping Yee <ping@zesty.ca> parents: 15095 diff changeset	62 { 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	63 { 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	64 { 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	65 { 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	66 { 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	67 { 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	68 { 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	69 { 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	70 { 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	71 };
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	72
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	73 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	74
24280 1598a1e473e2 staticforward bites the dust. Jeremy Hylton <jeremy@alum.mit.edu> parents: 23295 diff changeset	75 static PyTypeObject Ladtype;
12191 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 PyObject *LinuxAudioError;
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 static lad_t *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	80 newladobject(PyObject *arg)
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	81 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	82 lad_t *xp;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	83 int fd, afmts, imode;
26453 60e57797b8e6 Allow the device name to be passed to linuxaudiodev.open(), for Greg Ward <gward@python.net> parents: 24280 diff changeset	84 char *basedev = NULL;
60e57797b8e6 Allow the device name to be passed to linuxaudiodev.open(), for Greg Ward <gward@python.net> parents: 24280 diff changeset	85 char *mode = NULL;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	86
26453 60e57797b8e6 Allow the device name to be passed to linuxaudiodev.open(), for Greg Ward <gward@python.net> parents: 24280 diff changeset	87 /* Two ways to call linuxaudiodev.open():
60e57797b8e6 Allow the device name to be passed to linuxaudiodev.open(), for Greg Ward <gward@python.net> parents: 24280 diff changeset	88 open(device, mode) (for consistency with builtin open())
60e57797b8e6 Allow the device name to be passed to linuxaudiodev.open(), for Greg Ward <gward@python.net> parents: 24280 diff changeset	89 open(mode) (for backwards compatibility)
60e57797b8e6 Allow the device name to be passed to linuxaudiodev.open(), for Greg Ward <gward@python.net> parents: 24280 diff changeset	90 because the first argument is optional, parsing args is
60e57797b8e6 Allow the device name to be passed to linuxaudiodev.open(), for Greg Ward <gward@python.net> parents: 24280 diff changeset	91 a wee bit tricky. */
60e57797b8e6 Allow the device name to be passed to linuxaudiodev.open(), for Greg Ward <gward@python.net> parents: 24280 diff changeset	92 if (!PyArg_ParseTuple(arg, "s\|s:open", &basedev, &mode))
60e57797b8e6 Allow the device name to be passed to linuxaudiodev.open(), for Greg Ward <gward@python.net> parents: 24280 diff changeset	93 return NULL;
60e57797b8e6 Allow the device name to be passed to linuxaudiodev.open(), for Greg Ward <gward@python.net> parents: 24280 diff changeset	94 if (mode == NULL) { /* only one arg supplied */
60e57797b8e6 Allow the device name to be passed to linuxaudiodev.open(), for Greg Ward <gward@python.net> parents: 24280 diff changeset	95 mode = basedev;
60e57797b8e6 Allow the device name to be passed to linuxaudiodev.open(), for Greg Ward <gward@python.net> parents: 24280 diff changeset	96 basedev = NULL;
60e57797b8e6 Allow the device name to be passed to linuxaudiodev.open(), for Greg Ward <gward@python.net> parents: 24280 diff changeset	97 }
60e57797b8e6 Allow the device name to be passed to linuxaudiodev.open(), for Greg Ward <gward@python.net> parents: 24280 diff changeset	98
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	99 if (strcmp(mode, "r") == 0)
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	100 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	101 else if (strcmp(mode, "w") == 0)
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	102 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	103 else {
15900 1129e16a11df better format names and error messages Ka-Ping Yee <ping@zesty.ca> parents: 15095 diff changeset	104 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	105 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	106 }
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	107
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	108 /* 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	109 * 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	110 * control device tacks "ctl" onto the base device name.
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	111 *
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	112 * Note that the only difference between /dev/audio and /dev/dsp
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	113 * is that the former uses logarithmic mu-law encoding and the
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	114 * 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	115 */
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	116
26453 60e57797b8e6 Allow the device name to be passed to linuxaudiodev.open(), for Greg Ward <gward@python.net> parents: 24280 diff changeset	117 if (basedev == NULL) { /* called with one arg */
60e57797b8e6 Allow the device name to be passed to linuxaudiodev.open(), for Greg Ward <gward@python.net> parents: 24280 diff changeset	118 basedev = getenv("AUDIODEV");
60e57797b8e6 Allow the device name to be passed to linuxaudiodev.open(), for Greg Ward <gward@python.net> parents: 24280 diff changeset	119 if (basedev == NULL) /* $AUDIODEV not set */
60e57797b8e6 Allow the device name to be passed to linuxaudiodev.open(), for Greg Ward <gward@python.net> parents: 24280 diff changeset	120 basedev = "/dev/dsp";
60e57797b8e6 Allow the device name to be passed to linuxaudiodev.open(), for Greg Ward <gward@python.net> parents: 24280 diff changeset	121 }
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	122
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	123 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	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 }
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	127 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	128 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	129 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	130 }
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	131 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	132 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	133 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	134 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	135 /* 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	136 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	137 close(fd);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	138 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	139 }
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	140 xp->x_fd = fd;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	141 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	142 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	143 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	144 return xp;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	145 }
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 static void
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	148 lad_dealloc(lad_t *xp)
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	149 {
14057 ca8dc1bae67d lad_dealloc(): if xp->x_fd == -1, it means the descriptor's already Barry Warsaw <barry@python.org> parents: 13651 diff changeset	150 /* 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	151 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	152 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	153 PyObject_Del(xp);
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	154 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	155
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	156 static PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	157 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	158 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	159 int size, count;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	160 char *cp;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	161 PyObject *rv;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	162
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	163 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	164 return NULL;
47527 52294af4b663 This reverts r63675 based on the discussion in this thread: Gregory P. Smith <greg@mad-scientist.com> parents: 47294 diff changeset	165 rv = PyString_FromStringAndSize(NULL, size);
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	166 if (rv == NULL)
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	167 return NULL;
47527 52294af4b663 This reverts r63675 based on the discussion in this thread: Gregory P. Smith <greg@mad-scientist.com> parents: 47294 diff changeset	168 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	169 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	170 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	171 Py_DECREF(rv);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	172 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	173 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	174 self->x_icount += count;
47527 52294af4b663 This reverts r63675 based on the discussion in this thread: Gregory P. Smith <greg@mad-scientist.com> parents: 47294 diff changeset	175 _PyString_Resize(&rv, count);
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	176 return rv;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	177 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	178
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	179 static PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	180 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	181 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	182 char *cp;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	183 int rv, size;
17302 03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	184 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	185 struct timeval tv;
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	186 int select_retval;
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	187
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	188 if (!PyArg_ParseTuple(args, "s#:write", &cp, &size))
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	189 return NULL;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	190
17302 03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	191 /* 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	192 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	193 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	194 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	195 tv.tv_usec = 0;
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	196
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	197 while (size > 0) {
17302 03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	198 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	199 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	200 if (select_retval) {
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	201 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	202 if (errno != EAGAIN) {
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	203 PyErr_SetFromErrno(LinuxAudioError);
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	204 return NULL;
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	205 } else {
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	206 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	207 }
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	208 } else {
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	209 self->x_ocount += rv;
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	210 size -= rv;
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	211 cp += rv;
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	212 }
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	213 } else {
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	214 /* 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	215 PyErr_SetFromErrno(LinuxAudioError);
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	216 return NULL;
03ba06247486 Applying SF patch #412553 by Christopher Lee: fix linuxaudiodev Guido van Rossum <guido@python.org> parents: 15958 diff changeset	217 }
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	218 }
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	219 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	220 return Py_None;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	221 }
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 static PyObject *
38489 3fe3ccdf0155 Make use of METH_O and METH_NOARGS where possible. Georg Brandl <georg@python.org> parents: 36785 diff changeset	224 lad_close(lad_t self, PyObject unused)
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	225 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	226 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	227 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	228 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	229 }
38489 3fe3ccdf0155 Make use of METH_O and METH_NOARGS where possible. Georg Brandl <georg@python.org> parents: 36785 diff changeset	230 Py_RETURN_NONE;
12191 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
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	233 static PyObject *
38489 3fe3ccdf0155 Make use of METH_O and METH_NOARGS where possible. Georg Brandl <georg@python.org> parents: 36785 diff changeset	234 lad_fileno(lad_t self, PyObject unused)
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	235 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	236 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	237 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	238
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	239 static PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	240 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	241 {
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	242 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	243
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	244 if (!PyArg_ParseTuple(args, "iiii\|i:setparameters",
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	245 &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	246 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	247
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	248 if (rate < 0) {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	249 PyErr_Format(PyExc_ValueError, "expected rate >= 0, not %d",
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	250 rate);
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	251 return NULL;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	252 }
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	253 if (ssize < 0) {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	254 PyErr_Format(PyExc_ValueError, "expected sample size >= 0, not %d",
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	255 ssize);
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	256 return NULL;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	257 }
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	258 if (nchannels != 1 && nchannels != 2) {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	259 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	260 nchannels);
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 for (n = 0; n < n_audio_types; n++)
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	265 if (fmt == audio_types[n].a_fmt)
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	266 break;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	267 if (n == n_audio_types) {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	268 PyErr_Format(PyExc_ValueError, "unknown audio encoding: %d", fmt);
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 if (audio_types[n].a_bps != ssize) {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	272 PyErr_Format(PyExc_ValueError,
15900 1129e16a11df better format names and error messages Ka-Ping Yee <ping@zesty.ca> parents: 15095 diff changeset	273 "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	274 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	275 return NULL;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	276 }
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 if (emulate == 0) {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	279 if ((self->x_afmts & audio_types[n].a_fmt) == 0) {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	280 PyErr_Format(PyExc_ValueError,
15900 1129e16a11df better format names and error messages Ka-Ping Yee <ping@zesty.ca> parents: 15095 diff changeset	281 "%s format not supported by device",
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	282 audio_types[n].a_name);
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	283 return NULL;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	284 }
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	285 }
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	286 if (ioctl(self->x_fd, SNDCTL_DSP_SETFMT,
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	287 &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	288 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	289 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	290 }
21312 0102692417af SF patch #489989 (Charles G Waldman) linuxaudiodev.c - fix initialization Guido van Rossum <guido@python.org> parents: 17302 diff changeset	291 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	292 PyErr_SetFromErrno(LinuxAudioError);
0102692417af SF patch #489989 (Charles G Waldman) linuxaudiodev.c - fix initialization Guido van Rossum <guido@python.org> parents: 17302 diff changeset	293 return NULL;
0102692417af SF patch #489989 (Charles G Waldman) linuxaudiodev.c - fix initialization Guido van Rossum <guido@python.org> parents: 17302 diff changeset	294 }
0102692417af SF patch #489989 (Charles G Waldman) linuxaudiodev.c - fix initialization Guido van Rossum <guido@python.org> parents: 17302 diff changeset	295 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	296 PyErr_SetFromErrno(LinuxAudioError);
0102692417af SF patch #489989 (Charles G Waldman) linuxaudiodev.c - fix initialization Guido van Rossum <guido@python.org> parents: 17302 diff changeset	297 return NULL;
0102692417af SF patch #489989 (Charles G Waldman) linuxaudiodev.c - fix initialization Guido van Rossum <guido@python.org> parents: 17302 diff changeset	298 }
12191 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 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	301 return Py_None;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	302 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	303
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	304 static int
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	305 _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	306 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	307 int fmt;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	308
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	309 fmt = 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_SETFMT, &fmt) < 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;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	312
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	313 switch (fmt) {
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	314 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	315 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	316 case AFMT_U8:
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	317 case AFMT_S8:
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	318 *ssize = sizeof(char);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	319 break;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	320 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	321 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	322 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	323 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	324 *ssize = sizeof(short);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	325 break;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	326 case AFMT_MPEG:
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	327 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	328 default:
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	329 return -EOPNOTSUPP;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	330 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	331 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	332 return -errno;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	333 return 0;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	334 }
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 /* 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	338 of samples */
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	339 static PyObject *
38489 3fe3ccdf0155 Make use of METH_O and METH_NOARGS where possible. Georg Brandl <georg@python.org> parents: 36785 diff changeset	340 lad_bufsize(lad_t self, PyObject unused)
12191 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;
36785 6e285c69efc0 Rework channelnumber/samplesize detetion code's output variables a bit to Thomas Wouters <thomas@python.org> parents: 36324 diff changeset	343 int nchannels=0, ssize=0;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	344
36785 6e285c69efc0 Rework channelnumber/samplesize detetion code's output variables a bit to Thomas Wouters <thomas@python.org> parents: 36324 diff changeset	345 if (_ssize(self, &nchannels, &ssize) < 0 \|\| !ssize \|\| !nchannels) {
13427 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 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	350 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	351 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	352 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	353 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	354 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	355
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	356 /* 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	357 hardware for playing */
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	358 static PyObject *
38489 3fe3ccdf0155 Make use of METH_O and METH_NOARGS where possible. Georg Brandl <georg@python.org> parents: 36785 diff changeset	359 lad_obufcount(lad_t self, PyObject unused)
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	360 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	361 audio_buf_info ai;
36785 6e285c69efc0 Rework channelnumber/samplesize detetion code's output variables a bit to Thomas Wouters <thomas@python.org> parents: 36324 diff changeset	362 int nchannels=0, ssize=0;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	363
36785 6e285c69efc0 Rework channelnumber/samplesize detetion code's output variables a bit to Thomas Wouters <thomas@python.org> parents: 36324 diff changeset	364 if (_ssize(self, &nchannels, &ssize) < 0 \|\| !ssize \|\| !nchannels) {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	365 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	366 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	367 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	368 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	369 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	370 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	371 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	372 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	373 (ssize * nchannels));
12191 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
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	376 /* 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	377 blocking */
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	378 static PyObject *
38489 3fe3ccdf0155 Make use of METH_O and METH_NOARGS where possible. Georg Brandl <georg@python.org> parents: 36785 diff changeset	379 lad_obuffree(lad_t self, PyObject unused)
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	380 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	381 audio_buf_info ai;
36785 6e285c69efc0 Rework channelnumber/samplesize detetion code's output variables a bit to Thomas Wouters <thomas@python.org> parents: 36324 diff changeset	382 int nchannels=0, ssize=0;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	383
36785 6e285c69efc0 Rework channelnumber/samplesize detetion code's output variables a bit to Thomas Wouters <thomas@python.org> parents: 36324 diff changeset	384 if (_ssize(self, &nchannels, &ssize) < 0 \|\| !ssize \|\| !nchannels) {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	385 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	386 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	387 }
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	388 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	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 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	393 }
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 /* Flush the device */
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	396 static PyObject *
38489 3fe3ccdf0155 Make use of METH_O and METH_NOARGS where possible. Georg Brandl <georg@python.org> parents: 36785 diff changeset	397 lad_flush(lad_t self, PyObject unused)
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	398 {
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	399 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	400 PyErr_SetFromErrno(LinuxAudioError);
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	401 return NULL;
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	402 }
38489 3fe3ccdf0155 Make use of METH_O and METH_NOARGS where possible. Georg Brandl <georg@python.org> parents: 36785 diff changeset	403 Py_RETURN_NONE;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	404 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	405
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	406 static PyObject *
38489 3fe3ccdf0155 Make use of METH_O and METH_NOARGS where possible. Georg Brandl <georg@python.org> parents: 36785 diff changeset	407 lad_getptr(lad_t self, PyObject unused)
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	408 {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	409 count_info info;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	410 int req;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	411
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	412 if (self->x_mode == O_RDONLY)
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	413 req = SNDCTL_DSP_GETIPTR;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	414 else
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	415 req = SNDCTL_DSP_GETOPTR;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	416 if (ioctl(self->x_fd, req, &info) == -1) {
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	417 PyErr_SetFromErrno(LinuxAudioError);
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 return Py_BuildValue("iii", info.bytes, info.blocks, info.ptr);
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	421 }
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	422
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	423 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	424 { "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	425 { "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	426 { "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	427 { "bufsize", (PyCFunction)lad_bufsize, METH_VARARGS },
38489 3fe3ccdf0155 Make use of METH_O and METH_NOARGS where possible. Georg Brandl <georg@python.org> parents: 36785 diff changeset	428 { "obufcount", (PyCFunction)lad_obufcount, METH_NOARGS },
3fe3ccdf0155 Make use of METH_O and METH_NOARGS where possible. Georg Brandl <georg@python.org> parents: 36785 diff changeset	429 { "obuffree", (PyCFunction)lad_obuffree, METH_NOARGS },
3fe3ccdf0155 Make use of METH_O and METH_NOARGS where possible. Georg Brandl <georg@python.org> parents: 36785 diff changeset	430 { "flush", (PyCFunction)lad_flush, METH_NOARGS },
3fe3ccdf0155 Make use of METH_O and METH_NOARGS where possible. Georg Brandl <georg@python.org> parents: 36785 diff changeset	431 { "close", (PyCFunction)lad_close, METH_NOARGS },
3fe3ccdf0155 Make use of METH_O and METH_NOARGS where possible. Georg Brandl <georg@python.org> parents: 36785 diff changeset	432 { "fileno", (PyCFunction)lad_fileno, METH_NOARGS },
3fe3ccdf0155 Make use of METH_O and METH_NOARGS where possible. Georg Brandl <georg@python.org> parents: 36785 diff changeset	433 { "getptr", (PyCFunction)lad_getptr, METH_NOARGS },
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	434 { NULL, NULL} /* sentinel */
12191 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
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	437 static PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	438 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	439 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	440 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	441 }
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	442
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	443 static PyTypeObject Ladtype = {
42334 e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from Martin v. Löwis <martin@v.loewis.de> parents: 39992 diff changeset	444 PyVarObject_HEAD_INIT(&PyType_Type, 0)
21313 91dd223829c6 Patch supplied by Burton Radons for his own SF bug #487390: Modifying Guido van Rossum <guido@python.org> parents: 21312 diff changeset	445 "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	446 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	447 0, /tp_itemsize/
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	448 /* methods */
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	449 (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	450 0, /tp_print/
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	451 (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	452 0, /tp_setattr/
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	453 0, /tp_compare/
618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	454 0, /tp_repr/
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 PyObject *
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	458 ladopen(PyObject self, PyObject args)
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	459 {
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	460 return (PyObject *)newladobject(args);
12191 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
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	463 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	464 { "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	465 { 0, 0 },
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	466 };
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	467
e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	468 void
13651 8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)', Thomas Wouters <thomas@python.org> parents: 13543 diff changeset	469 initlinuxaudiodev(void)
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	470 {
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	471 PyObject *m;
46851 1e427bc0f818 The linuxaudidev module has been deprecated for removal in Python 3.0. Brett Cannon <bcannon@gmail.com> parents: 42334 diff changeset	472
1e427bc0f818 The linuxaudidev module has been deprecated for removal in Python 3.0. Brett Cannon <bcannon@gmail.com> parents: 42334 diff changeset	473 if (PyErr_WarnPy3k("the linuxaudiodev module has been removed in "
1e427bc0f818 The linuxaudidev module has been deprecated for removal in Python 3.0. Brett Cannon <bcannon@gmail.com> parents: 42334 diff changeset	474 "Python 3.0; use the ossaudiodev module instead", 2) < 0)
1e427bc0f818 The linuxaudidev module has been deprecated for removal in Python 3.0. Brett Cannon <bcannon@gmail.com> parents: 42334 diff changeset	475 return;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	476
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	477 m = Py_InitModule("linuxaudiodev", linuxaudiodev_methods);
36324 1af7f719ed28 Check return result from Py_InitModule(). This API can fail. Neal Norwitz <nnorwitz@gmail.com>* parents: 36221 diff changeset	478 if (m == NULL)
1af7f719ed28 Check return result from Py_InitModule(). This API can fail. Neal Norwitz <nnorwitz@gmail.com>* parents: 36221 diff changeset	479 return;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	480
13427 618a7280f6be Add method names to PyArg_ParseTuple() calls for better error messages. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	481 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	482 if (LinuxAudioError)
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	483 PyModule_AddObject(m, "error", LinuxAudioError);
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	484
15062 675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	485 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	486 return;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	487 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	488 return;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	489 if (PyModule_AddIntConstant(m, "AFMT_U8", (long)AFMT_U8) == -1)
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	490 return;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	491 if (PyModule_AddIntConstant(m, "AFMT_S8", (long)AFMT_S8) == -1)
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	492 return;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	493 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	494 return;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	495 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	496 return;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	497 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	498 return;
675748378c81 test_linuxaudio: Jeremy Hylton <jeremy@alum.mit.edu> parents: 14351 diff changeset	499 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	500 return;
15095 c199460ccde9 Be consistent in the description of audio formats: <format> <width> Guido van Rossum <guido@python.org> parents: 15062 diff changeset	501 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	502 return;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	503
14346 5397fdf88ec2 Do the absolute minimal amount of modifications to eradicate Barry Warsaw <barry@python.org> parents: 14306 diff changeset	504 return;
12191 e75ac292ef4c This module's name should be linuxaudiodev.c Guido van Rossum <guido@python.org> parents: diff changeset	505 }

Mercurial > cpython-lru_cache-weakref

annotate Modules/linuxaudiodev.c @ 58765:2ba7677bfa95 legacy-trunk