linux c mp3播放器

sudo apt-get install libmpg123-dev

#include <mpg123.h>
#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[]) {
    mpg123_handle *mh;
    unsigned char *buffer;
    size_t buffer_size;
    size_t done;
    int err;

    int channels, encoding;
    long rate;

    if (argc < 2) {
        fprintf(stderr, "Usage: %s <filename>\n", argv[0]);
        return 1;
    }

    mpg123_init();
    mh = mpg123_new(NULL, &err);
    buffer_size = mpg123_outblock(mh);
    buffer = (unsigned char*) malloc(buffer_size);

    mpg123_open(mh, argv[1]);
    mpg123_getformat(mh, &rate, &channels, &encoding);

    while (mpg123_read(mh, buffer, buffer_size, &done) == MPG123_OK) {
        // 这里应该将buffer中的数据发送到音频设备进行播放
    }

    free(buffer);
    mpg123_close(mh);
    mpg123_delete(mh);
    mpg123_exit();

    return 0;
}

gcc -o mp3player mp3player.c -lmpg123
./mp3player example.mp3