269 lines
8.7 KiB
C
269 lines
8.7 KiB
C
//
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// Created by CC-star on 25-5-9.
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//
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// (2) 用户功能:
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// 多种类型的歌曲查询、显示功能:
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// 按歌曲名、歌手名、歌曲类别等查询歌曲。
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// 点歌功能:用户录入歌曲编号，被点播歌曲按点播顺序放入播放表，每一分钟删除最前面一首歌，表示已经播放完毕。
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// 当全部点播歌曲播放完毕，提示"点播歌曲已经播完，请继续点播"。
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "../Shear/C3_shear.h"
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// 播放队列
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typedef struct {
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int songIds[100]; // 歌曲ID
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int count; // 歌曲数量
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} PlayQueue;
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// PlayQueue playQueue = {.count = 0}; // 指定count = 0
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PlayQueue playQueue = {0};
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// int i;//找到的歌曲索引
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// 显示当前播放队列
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void ShowPlayQueue() {
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printf("\n---------------------👇当前播放队列👇----------------------\n");
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if (playQueue.count == 0) {
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printf("播放队列为空\n");
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} else {
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for (int i = 0; i < playQueue.count; i++) {
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for (int j = 0; j < songCount; j++) {
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if (SongList[j].id == playQueue.songIds[i]) {
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printf("%d. %s - %s\n", i + 1, SongList[j].artist, SongList[j].name);
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break;
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}
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}
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}
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}
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printf("-----------------------👆播放队列👆------------------------\n");
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}
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// 移除队列中的第一首歌
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void RemoveFirstSong() {
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if (playQueue.count > 0) {
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for (int i = 0; i < playQueue.count - 1; i++) {
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playQueue.songIds[i] = playQueue.songIds[i + 1];
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}
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playQueue.count--;
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}
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}
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void PlayMusic(int songId) {
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char command[256];
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char filename[256];
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int found = 0;
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for (int i = 0; i < songCount; i++) {
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if (SongList[i].id == songId) {
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sprintf(filename, "%d-%s-%s-%s.mp3",
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SongList[i].id,
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SongList[i].artist,
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SongList[i].name,
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SongList[i].category);
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//afplay "/Users/music/song.mp3" &
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sprintf(command, "afplay \"%s/%s\" & -t 10", MRES_PATH, filename);
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system(command);
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printf("正在播放: %s - %s\n", SongList[i].artist, SongList[i].name);
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found = 1;
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break;
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}
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}
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if (!found) {
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printf("未找到ID为 %d 的歌曲，无法播放\n", songId);
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}
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ShowPlayQueue();
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}
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// 播放控制
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void ControlPlayback(int control) {
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switch (control) {
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case 0: // 停止播放
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system("pkill afplay");
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printf("播放已停止\n");
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break;
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case 1: // 暂停播放
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system("pkill -STOP afplay");
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printf("播放已暂停\n");
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break;
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case 2://继续播放
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system("pkill -CONT afplay");
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printf("继续播放\n");
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break;
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case 3: // 下一首
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system("pkill afplay");
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if (playQueue.count > 0) {
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RemoveFirstSong();
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if (playQueue.count > 0) {
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PlayMusic(playQueue.songIds[0]);
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}else {
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printf("播放歌单已播放完毕，请添加歌曲");
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}
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}
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break;
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default:
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printf("⚠️输入有误，请重新输入⚠️\n");
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break;
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}
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}
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int IsSongFinished() {
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FILE *fp = popen("ps aux | grep afplay | grep -v grep", "r");
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if (fp == NULL) {
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return 0;
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}
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char line[256];
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int isPlaying = 0;
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while (fgets(line, sizeof(line), fp)) {
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if (strstr(line, "afplay") != NULL) {
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isPlaying = 1;
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break;
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}
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}
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pclose(fp);
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return isPlaying;
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}
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// 自动播放
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void AutoPlayNext() {
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if (playQueue.count > 0) {
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if (IsSongFinished() == 0) {
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RemoveFirstSong();
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if (playQueue.count > 0) {
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printf("播放完毕，自动切换下一首中。。。\n");
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PlayMusic(playQueue.songIds[0]);
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} else {
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printf("播放队列已空，请继续点歌\n");
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}
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}
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}
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}
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int hasInput() {
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int result;
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struct timeval tv = {0, 0};
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fd_set fds;
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FD_ZERO(&fds);
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FD_SET(STDIN_FILENO, &fds);
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result = select(STDIN_FILENO + 1, &fds, NULL, NULL, &tv) > 0;
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return result;
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}
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//开始点歌
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void Start_Muisc() {
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Read_MuiscFile();
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if (songCount > 0) {
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int shown = 0;
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while (1) {
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AutoPlayNext();
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if (!hasInput()) {
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if (!shown) {
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printf("\n==================================================\nℹ️ 按回车键继续...\n");
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shown = 1;
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}
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usleep(100000);//0.1秒
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continue;
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}
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shown = 0;
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printf("\n---------------------👇点歌控制面板👇----------------------\n");
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printf("1. 添加歌曲到播放队列\n");
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printf("2. 显示当前播放队列\n");
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printf("3. 控制播放(0.停止｜1.暂停｜2.继续｜3.下一首):\n");
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printf("0. 返回主菜单\n");
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printf("-----------------------👆选择对应数字👆------------------------\n");
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printf("请输入选择：");
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int choice;
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scanf("%d", &choice);
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while (getchar() != '\n');
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switch (choice) {
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case 1: {
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printf("请输入要播放的歌曲id: \n");
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int songId;//需要播放的歌曲id
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scanf("%d", &songId);
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while (getchar() != '\n');
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int found = 0;
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for (int i = 0; i < songCount; ++i) {
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if (songId == SongList[i].id) {
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printf("歌曲【%d-%s-%s-%s】已添加到播放队列\n", SongList[i].id, SongList[i].artist, SongList[i].name, SongList[i].category);
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if (playQueue.count < 100) {
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// songId = songId - 1;
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playQueue.songIds[playQueue.count] = songId;
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playQueue.count++;
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if (playQueue.count == 1) {
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PlayMusic(songId);
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}
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} else {
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printf("播放队列已满，无法添加更多歌曲\n");
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break;
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}
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found = 1;
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break;
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}
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}
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if (!found) {
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printf("未找到ID为 %d 的歌曲\n", songId);
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}
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// ShowPlayQueue();
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break;
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}
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case 2:
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ShowPlayQueue();
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break;
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case 3: {
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int control;
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printf("请输入控制命令 (0.停止｜1.暂停｜2.继续｜3.下一首): ");
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scanf("%d", &control);
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while (getchar() != '\n');
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ControlPlayback(control);
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break;
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}
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case 0:
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printf("⚠️停止音乐中...⚠️\n");
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system("pkill afplay");
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printf("⚠️音乐已停止，返回控制台中...⚠️\n");
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return;
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default:
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printf("无效的选择，请重新输入\n");
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}
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}
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} else {
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printf("⚠️找不到歌曲...⚠️\n");
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}
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}
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int C3_User() {
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while (1) {
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printf("\n---------------------👇用户控制面板👇----------------------\n");
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printf("1. 歌曲查询\n");
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printf("2. 歌曲游览\n");
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printf("3. 开始点歌\n");
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printf("0.返回控制台\n");
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printf("-----------------------👆选择对应数字👆------------------------\n");
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printf("请输入选择：");
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int opt;
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scanf("%d", &opt);
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while (getchar() != '\n');
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switch (opt) {
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case 1:
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Song_query();
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break;
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case 2:
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BrowseSongs();
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break;
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case 3:
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Start_Muisc();
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break;
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case 0:
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printf("⚠️返回主控制台中...⚠️\n");
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return 0;
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default:
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printf("⚠️输入有误，请重新输入⚠️\n");
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break;
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}
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}
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}
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