Mercurial > repos > rliterman > csp2

comparison CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/alsa/output.h @ 69:33d812a61356

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
planemo upload commit 2e9511a184a1ca667c7be0c6321a36dc4e3d116d
author jpayne
date Tue, 18 Mar 2025 17:55:14 -0400
parents
children
comparison
equal deleted inserted replaced
67:0e9998148a16 69:33d812a61356
1 /**
2 * \file include/output.h
3 * \brief Application interface library for the ALSA driver
4 * \author Jaroslav Kysela <perex@perex.cz>
5 * \author Abramo Bagnara <abramo@alsa-project.org>
6 * \author Takashi Iwai <tiwai@suse.de>
7 * \date 1998-2001
8 *
9 * Application interface library for the ALSA driver
10 */
11 /*
12 * This library is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU Lesser General Public License as
14 * published by the Free Software Foundation; either version 2.1 of
15 * the License, or (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU Lesser General Public License for more details.
21 *
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with this library; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 *
26 */
27
28 #ifndef __ALSA_OUTPUT_H
29 #define __ALSA_OUTPUT_H
30
31 #ifdef __cplusplus
32 extern "C" {
33 #endif
34
35 /**
36 * \defgroup Output Output Interface
37 *
38 * The output functions present an interface similar to the stdio functions
39 * on top of different underlying output destinations.
40 *
41 * Many PCM debugging functions (\c snd_pcm_xxx_dump_xxx) use such an output
42 * handle to be able to write not only to the screen but also to other
43 * destinations, e.g. to files or to memory buffers.
44 *
45 * \{
46 */
47
48 /**
49 * \brief Internal structure for an output object.
50 *
51 * The ALSA library uses a pointer to this structure as a handle to an
52 * output object. Applications don't access its contents directly.
53 */
54 typedef struct _snd_output snd_output_t;
55
56 /** Output type. */
57 typedef enum _snd_output_type {
58 /** Output to a stdio stream. */
59 SND_OUTPUT_STDIO,
60 /** Output to a memory buffer. */
61 SND_OUTPUT_BUFFER
62 } snd_output_type_t;
63
64 int snd_output_stdio_open(snd_output_t **outputp, const char *file, const char *mode);
65 int snd_output_stdio_attach(snd_output_t **outputp, FILE *fp, int _close);
66 int snd_output_buffer_open(snd_output_t **outputp);
67 size_t snd_output_buffer_string(snd_output_t *output, char **buf);
68 int snd_output_close(snd_output_t *output);
69 int snd_output_printf(snd_output_t *output, const char *format, ...)
70 #ifndef DOC_HIDDEN
71 __attribute__ ((format (printf, 2, 3)))
72 #endif
73 ;
74 int snd_output_vprintf(snd_output_t *output, const char *format, va_list args);
75 int snd_output_puts(snd_output_t *output, const char *str);
76 int snd_output_putc(snd_output_t *output, int c);
77 int snd_output_flush(snd_output_t *output);
78
79 /** \} */
80
81 #ifdef __cplusplus
82 }
83 #endif
84
85 #endif /* __ALSA_OUTPUT_H */
86