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http://mpg123.de/trunk/.git
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59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
/*
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A simple and dumb decoder that does not even query the mpg123 output format.
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It shall get MPG123_NEW_FORMAT once, but after that data!
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Beware: It writes raw audio to standard out!
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*/
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <mpg123.h>
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void decode_track(mpg123_handle *mh);
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int main(int argc, char **argv)
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{
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int i;
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int err;
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mpg123_handle* mh;
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mpg123_init();
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mh = mpg123_new(NULL, NULL);
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for(i=1; i<argc; ++i)
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{
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fprintf(stderr, "Working on %s\n", argv[i]);
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err = mpg123_open(mh, argv[i]);
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if(err == MPG123_OK)
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{
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decode_track(mh);
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mpg123_close(mh);
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}
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else fprintf(stderr, "Failed to open file: %s\n", mpg123_strerror(mh));
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}
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mpg123_exit();
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}
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void decode_track(mpg123_handle *mh)
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{
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unsigned char buf[16*1024];
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size_t fill;
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off_t sum = 0;
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int ret;
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while( (ret = mpg123_read(mh, buf, sizeof(buf), &fill)) != MPG123_DONE)
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{
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if(fill == MPG123_ERR)
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{
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fprintf(stderr, "error decoding: %s\n", mpg123_strerror(mh));
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return;
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}
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fprintf(stderr, "read returned: %i\n", ret);
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if(fill > 0)
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{
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sum += fill;
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write(STDOUT_FILENO, buf, fill);
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}
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}
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fprintf(stderr, "decoded bytes: %lli\n", (long long)sum);
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}
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