linux c语言 播放wav

#include <stdio.h>
#include <stdlib.h>
#include <alsa/asoundlib.h>

int main(int argc, char *argv[]) {
    if (argc < 2) {
        fprintf(stderr, "Usage: %s <wav file>\n", argv[0]);
        return 1;
    }

    // 打开WAV文件
    FILE *file = fopen(argv[1], "rb");
    if (!file) {
        perror("Failed to open file");
        return 1;
    }

    // 读取WAV文件头并解析
    // ...（此处省略了WAV文件头的解析代码）

    // 配置ALSA
    snd_pcm_t *handle;
    snd_pcm_hw_params_t *params;
    snd_pcm_open(&handle, "default", SND_PCM_STREAM_PLAYBACK, 0);
    snd_pcm_hw_params_alloca(&params);
    snd_pcm_hw_params_any(handle, params);
    snd_pcm_hw_params_set_access(handle, params, SND_PCM_ACCESS_RW_INTERLEAVED);
    snd_pcm_hw_params_set_format(handle, params, SND_PCM_FORMAT_S16_LE);
    snd_pcm_hw_params_set_rate_near(handle, params, &sample_rate, 0);
    snd_pcm_hw_params_set_channels(handle, params, channels);

    // 分配缓冲区并播放音频
    int buffer_size = 4096;
    short *buffer = malloc(buffer_size * sizeof(short));
    while (!feof(file)) {
        size_t read_bytes = fread(buffer, 1, buffer_size * sizeof(short), file);
        if (read_bytes > 0) {
            snd_pcm_writei(handle, buffer, read_bytes / sizeof(short));
        }
    }

    // 清理资源
    free(buffer);
    fclose(file);
    snd_pcm_close(handle);

    return 0;
}