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72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
/*
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mpglib: test program for libmpg123, in the style of the legacy mpglib test program
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copyright 2007 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 Thomas Orgis
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*/
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#include "mpg123.h"
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#include <unistd.h>
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#include <stdio.h>
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#define INBUFF 16384
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unsigned char buf[INBUFF];
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int main(int argc, char **argv)
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{
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size_t size;
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unsigned char out[8192];
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ssize_t len;
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int ret;
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size_t in = 0, outc = 0;
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mpg123_handle *m;
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mpg123_init();
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m = mpg123_new(argc > 1 ? argv[1] : NULL, &ret);
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if(m == NULL)
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{
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fprintf(stderr,"Unable to create mpg123 handle: %s\n", mpg123_plain_strerror(ret));
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return -1;
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}
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mpg123_param(m, MPG123_VERBOSE, 2, 0);
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/* mpg123_param(m, MPG123_ADD_FLAGS, MPG123_GAPLESS, 0); */
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/* mpg123_param(m, MPG123_START_FRAME, 2300, 0); */
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mpg123_open_feed(m);
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if(m == NULL) return -1;
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while(1) {
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len = read(0,buf,INBUFF);
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if(len <= 0)
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{
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fprintf(stderr, "input data end\n");
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break;
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}
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in += len;
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/*fprintf(stderr, ">> %lu KiB in\n", (unsigned long)in>>10);*/
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ret = mpg123_decode(m,buf,len,out,8192,&size);
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if(ret == MPG123_NEW_FORMAT)
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{
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long rate;
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int channels, enc;
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mpg123_getformat(m, &rate, &channels, &enc);
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fprintf(stderr, "New format: %li Hz, %i channels, encoding value %i\n", rate, channels, enc);
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}
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write(1,out,size);
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outc += size;
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/*fprintf(stderr, "<< %lu KiB out, ret=%i\n", (unsigned long)outc>>10, ret);*/
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while(ret != MPG123_ERR && ret != MPG123_NEED_MORE) {
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ret = mpg123_decode(m,NULL,0,out,8192,&size);
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write(1,out,size);
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outc += size;
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/*fprintf(stderr, "<< %lu KiB out, ret=%i\n", (unsigned long)outc>>10, ret);*/
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}
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if(ret == MPG123_ERR){ fprintf(stderr, "some error: %s", mpg123_strerror(m)); break; }
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}
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fprintf(stderr, "%lu bytes in, %lu bytes out\n", (unsigned long)in, (unsigned long)outc);
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mpg123_delete(m);
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mpg123_exit();
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return 0;
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}
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