58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
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/*
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buffer.h: output buffer
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copyright 1999-2015 by the mpg123 project - free software under the terms of the LGPL 2.1
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see COPYING and AUTHORS files in distribution or http://mpg123.org
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initially written by Daniel Kobras / Oliver Fromme
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*/
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/*
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* Application specific interaction between main and buffer
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* process. This is much less generic than the functions in
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* xfermem so I chose to put it in buffer.[hc].
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* 01/28/99 [dk]
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*/
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#ifndef _MPG123_BUFFER_H_
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#define _MPG123_BUFFER_H_
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#include "out123_int.h"
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#include "../compat/compat.h"
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int INT123_buffer_init(out123_handle *ao, size_t bytes);
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void INT123_buffer_exit(out123_handle *ao);
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/* Messages with payload. */
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int INT123_buffer_sync_param(out123_handle *ao);
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int INT123_buffer_open(out123_handle *ao, const char* driver, const char* device);
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int INT123_buffer_encodings(out123_handle *ao);
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int INT123_buffer_formats( out123_handle *ao, const long *rates, int ratecount
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, int minchannels, int maxchannels
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, struct mpg123_fmt **fmtlist );
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int INT123_buffer_start(out123_handle *ao);
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void INT123_buffer_ndrain(out123_handle *ao, size_t bytes);
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/* Simple messages to be deal with after playback. */
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void INT123_buffer_stop(out123_handle *ao);
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void INT123_buffer_close(out123_handle *ao);
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void INT123_buffer_continue(out123_handle *ao);
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/* Still undecided if that one is to be used anywhere. */
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void INT123_buffer_ignore_lowmem(out123_handle *ao);
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void INT123_buffer_drain(out123_handle *ao);
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void INT123_buffer_end(out123_handle *ao);
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/* Simple messages with interruption of playback. */
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void INT123_buffer_pause(out123_handle *ao);
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void INT123_buffer_drop(out123_handle *ao);
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/* The actual work: Hand over audio data. */
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size_t INT123_buffer_write(out123_handle *ao, void *buffer, size_t bytes);
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/* Thin wrapper over xfermem giving the current buffer fill. */
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size_t INT123_buffer_fill(out123_handle *ao);
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#endif
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