Blame include/output.h

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/**
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 * \file include/output.h
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 * \brief Application interface library for the ALSA driver
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 * \author Jaroslav Kysela <perex@perex.cz>
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 * \author Abramo Bagnara <abramo@alsa-project.org>
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 * \author Takashi Iwai <tiwai@suse.de>
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 * \date 1998-2001
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 *
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 * Application interface library for the ALSA driver
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 */
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/*
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 *   This library is free software; you can redistribute it and/or modify
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 *   it under the terms of the GNU Lesser General Public License as
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 *   published by the Free Software Foundation; either version 2.1 of
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 *   the License, or (at your option) any later version.
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 *
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 *   This program is distributed in the hope that it will be useful,
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *   GNU Lesser General Public License for more details.
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 *
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 *   You should have received a copy of the GNU Lesser General Public
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 *   License along with this library; if not, write to the Free Software
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 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
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 *
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 */
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#ifndef __ALSA_OUTPUT_H
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#define __ALSA_OUTPUT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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 *  \defgroup Output Output Interface
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 *
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 *  The output functions present an interface similar to the stdio functions
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 *  on top of different underlying output destinations.
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 *
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 *  Many PCM debugging functions (\c snd_pcm_xxx_dump_xxx) use such an output
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 *  handle to be able to write not only to the screen but also to other
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 *  destinations, e.g. to files or to memory buffers.
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 *
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 *  \{
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 */
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/**
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 * \brief Internal structure for an output object.
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 *
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 * The ALSA library uses a pointer to this structure as a handle to an
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 * output object. Applications don't access its contents directly.
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 */
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typedef struct _snd_output snd_output_t;
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/** Output type. */
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typedef enum _snd_output_type {
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	/** Output to a stdio stream. */
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	SND_OUTPUT_STDIO,
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	/** Output to a memory buffer. */
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	SND_OUTPUT_BUFFER
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} snd_output_type_t;
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int snd_output_stdio_open(snd_output_t **outputp, const char *file, const char *mode);
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int snd_output_stdio_attach(snd_output_t **outputp, FILE *fp, int _close);
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int snd_output_buffer_open(snd_output_t **outputp);
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size_t snd_output_buffer_string(snd_output_t *output, char **buf);
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int snd_output_close(snd_output_t *output);
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int snd_output_printf(snd_output_t *output, const char *format, ...)
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#ifndef DOC_HIDDEN
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	__attribute__ ((format (printf, 2, 3)))
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#endif
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	;
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int snd_output_vprintf(snd_output_t *output, const char *format, va_list args);
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int snd_output_puts(snd_output_t *output, const char *str);
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int snd_output_putc(snd_output_t *output, int c);
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int snd_output_flush(snd_output_t *output);
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/** \} */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ALSA_OUTPUT_H */
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