/** * \file include/output.h * \brief Application interface library for the ALSA driver * \author Jaroslav Kysela <[email protected]> * \author Abramo Bagnara <[email protected]> * \author Takashi Iwai <[email protected]> * \date 1998-2001 * * Application interface library for the ALSA driver */ /* * This library is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #ifndef __ALSA_OUTPUT_H #define __ALSA_OUTPUT_H #ifdef __cplusplus extern "C" { #endif /** * \defgroup Output Output Interface * * The output functions present an interface similar to the stdio functions * on top of different underlying output destinations. * * Many PCM debugging functions (\c snd_pcm_xxx_dump_xxx) use such an output * handle to be able to write not only to the screen but also to other * destinations, e.g. to files or to memory buffers. * * \{ */ /** * \brief Internal structure for an output object. * * The ALSA library uses a pointer to this structure as a handle to an * output object. Applications don't access its contents directly. */ snd_output_t; /** Output type. */ snd_output_type_t; int snd_output_stdio_open(snd_output_t **outputp, const char *file, const char *mode); int snd_output_stdio_attach(snd_output_t **outputp, FILE *fp, int _close); int snd_output_buffer_open(snd_output_t **outputp); size_t snd_output_buffer_string(snd_output_t *output, char **buf); int snd_output_close(snd_output_t *output); int snd_output_printf(snd_output_t *output, const char *format, ...) #ifndef DOC_HIDDEN __attribute__ ((format (printf, 2, 3))) #endif ; int snd_output_vprintf(snd_output_t *output, const char *format, va_list args); int snd_output_puts(snd_output_t *output, const char *str); int snd_output_putc(snd_output_t *output, int c); int snd_output_flush(snd_output_t *output); /** \} */ #ifdef __cplusplus } #endif #endif /* __ALSA_OUTPUT_H */