95 lines
1.8 KiB
C
95 lines
1.8 KiB
C
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/*
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dummy: dummy audio output
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copyright ?-2006 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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*/
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#include "out123_int.h"
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#include "debug.h"
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static int open_dummy(out123_handle *ao)
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{
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debug("open_dummy()");
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if(ao->format < 0)
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{
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ao->rate = 44100;
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ao->channels = 2;
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ao->format = MPG123_ENC_SIGNED_16;
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}
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return 0;
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}
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static int get_formats_dummy(out123_handle *ao)
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{
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debug("get_formats_dummy()");
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return MPG123_ENC_ANY;
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}
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static int write_dummy(out123_handle *ao,unsigned char *buf,int len)
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{
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debug("write_dummy()");
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return len;
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}
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static void flush_dummy(out123_handle *ao)
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{
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debug("flush_dummy()");
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}
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static int close_dummy(out123_handle *ao)
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{
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debug("close_dummy()");
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return 0;
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}
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static void deinit_dummy(out123_handle *ao)
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{
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debug("deinit_dummy()");
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}
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static int enumerate_dummy( out123_handle *ao, int (*store_device)(void *devlist
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, const char *name, const char *description), void *devlist)
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{
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if(store_device(devlist, "foo", "some dummy device"))
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return -1;
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if(store_device(devlist, "bar", "some other dummy device"))
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return -1;
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return 0;
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}
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static int init_dummy(out123_handle* ao)
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{
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if (ao==NULL) return -1;
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debug("init_dummy()");
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/* Set callbacks */
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ao->open = open_dummy;
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ao->flush = flush_dummy;
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ao->write = write_dummy;
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ao->get_formats = get_formats_dummy;
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ao->close = close_dummy;
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ao->deinit = deinit_dummy;
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ao->enumerate = enumerate_dummy;
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/* Success */
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return 0;
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}
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/*
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Module information data structure
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*/
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mpg123_module_t mpg123_output_module_info = {
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/* api_version */ MPG123_MODULE_API_VERSION,
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/* name */ "dummy",
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/* description */ "Dummy audio output - does not output audio.",
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/* revision */ "$Rev:$",
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/* handle */ NULL,
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/* init_output */ init_dummy,
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};
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