linux下usb音频记录程序，采集8000，双通，记录10s切换记录下一个文件，统计是否丢包，文件名为系统当前时间，文文件记录路径在/mnt/disk/record/Audio/下，用c写

以下是一个简单的USB音频记录程序的示例代码，可以满足你的需求：

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

#define PCM_DEVICE "default"
#define PCM_FILENAME "/mnt/disk/record/Audio/%s.pcm"
#define PCM_CHANNELS 2
#define PCM_RATE 8000
#define PCM_FORMAT SND_PCM_FORMAT_S16_LE
#define RECORD_TIME 10
#define RECORD_SIZE (PCM_RATE * PCM_CHANNELS * (PCM_FORMAT == SND_PCM_FORMAT_S16_LE ? 2 : 1) * RECORD_TIME)

int main(int argc, char **argv) {
    int err;
    char filename[256];
    time_t rawtime;
    struct tm *timeinfo;
    snd_pcm_t *capture_handle;
    snd_pcm_hw_params_t *hw_params;
    char *buffer;
    int size, count, file_count;
    FILE *file;

    // 初始化文件计数器
    file_count = 0;

    // 初始化PCM设备
    if ((err = snd_pcm_open(&capture_handle, PCM_DEVICE, SND_PCM_STREAM_CAPTURE, 0)) < 0) {
        fprintf(stderr, "cannot open audio device %s (%s)\n", PCM_DEVICE, snd_strerror(err));
        exit(1);
    }
    if ((err = snd_pcm_hw_params_malloc(&hw_params)) < 0) {
        fprintf(stderr, "cannot allocate hardware parameter structure (%s)\n", snd_strerror(err));
        exit(1);
    }
    if ((err = snd_pcm_hw_params_any(capture_handle, hw_params)) < 0) {
        fprintf(stderr, "cannot initialize hardware parameter structure (%s)\n", snd_strerror(err));
        exit(1);
    }
    if ((err = snd_pcm_hw_params_set_access(capture_handle, hw_params, SND_PCM_ACCESS_RW_INTERLEAVED)) < 0) {
        fprintf(stderr, "cannot set access type (%s)\n", snd_strerror(err));
        exit(1);
    }
    if ((err = snd_pcm_hw_params_set_format(capture_handle, hw_params, PCM_FORMAT)) < 0) {
        fprintf(stderr, "cannot set sample format (%s)\n", snd_strerror(err));
        exit(1);
    }
    if ((err = snd_pcm_hw_params_set_channels(capture_handle, hw_params, PCM_CHANNELS)) < 0) {
        fprintf(stderr, "cannot set channel count (%s)\n", snd_strerror(err));
        exit(1);
    }
    unsigned int rate = PCM_RATE;
    if ((err = snd_pcm_hw_params_set_rate_near(capture_handle, hw_params, &rate, 0)) < 0) {
        fprintf(stderr, "cannot set sample rate (%s)\n", snd_strerror(err));
        exit(1);
    }
    if ((err = snd_pcm_hw_params(capture_handle, hw_params)) < 0) {
        fprintf(stderr, "cannot set parameters (%s)\n", snd_strerror(err));
        exit(1);
    }
    snd_pcm_hw_params_free(hw_params);
    if ((err = snd_pcm_prepare(capture_handle)) < 0) {
        fprintf(stderr, "cannot prepare audio interface for use (%s)\n", snd_strerror(err));
        exit(1);
    }

    // 初始化缓冲区
    size = snd_pcm_frames_to_bytes(capture_handle, RECORD_SIZE);
    buffer = (char *) malloc(size);
    if (!buffer) {
        fprintf(stderr, "cannot allocate memory for audio buffer\n");
        exit(1);
    }

    // 循环记录音频数据
    while (1) {
        // 生成文件名
        time(&rawtime);
        timeinfo = localtime(&rawtime);
        strftime(filename, sizeof(filename), PCM_FILENAME, asctime(timeinfo));
        filename[strlen(filename) - 1] = '\0'; // 去掉末尾的换行符

        // 打开文件
        file = fopen(filename, "wb");
        if (!file) {
            fprintf(stderr, "cannot open file %s\n", filename);
            exit(1);
        }

        // 记录音频数据
        count = 0;
        while (count < RECORD_SIZE) {
            if ((err = snd_pcm_readi(capture_handle, buffer, RECORD_SIZE - count)) != RECORD_SIZE - count) {
                fprintf(stderr, "read from audio interface failed (%s)\n", snd_strerror(err));
                exit(1);
            }
            fwrite(buffer, 1, RECORD_SIZE - count, file);
            count += RECORD_SIZE - count;
        }
        fclose(file);

        // 更新文件计数器
        file_count++;

        // 统计是否丢包
        int lost_count = 0;
        for (int i = 0; i < size; i += 2) {
            if (buffer[i] == 0 && buffer[i + 1] == 0) {
                lost_count++;
            }
        }
        printf("File %d: %d packets lost\n", file_count, lost_count);

        // 等待一段时间，准备记录下一个文件
        sleep(1);
    }

    // 释放资源
    free(buffer);
    snd_pcm_close(capture_handle);

    return 0;
}

请注意，这只是一个简单的示例代码，可能还需要进行更多的优化和改进。此外，文件名使用的是系统当前时间，每个文件记录的时间为10秒，文件名中没有记录丢包信息。你可以根据自己的需求进行修改。