416 lines
12 KiB
C#
416 lines
12 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using TMPro;
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using UnityEngine.UI;
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using UnityEngine.Video;
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using DG.Tweening;
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/// <summary>
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/// 媒体预览
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/// </summary>
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public class MediaPreviewPanel : PanelBasic
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{
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private RectTransform operation_area;
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private RectTransform header_area;
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//交互按钮及文本
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private Image audio_preview_panel;
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private TextMeshProUGUI name_text;
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private TextMeshProUGUI progress_text;
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private CustomSlider progress_slider;
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private Button play_button;
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private Button stop_button;
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private Button fast_forward_button;
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private Button fast_rewind_button;
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private Button close_button;
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private Button zoom_button;
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//音频组件
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private AudioSource audio_source;
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//计时属性
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private int currentHour;
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private int currentMinute;
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private int currentSecond;
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private int clipHour;
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private int clipMinute;
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private int clipSecond;
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//图片精灵
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public Sprite play_sprite;
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public Sprite pause_sprite;
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public Sprite zoom_in_sprite;
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public Sprite zoom_out_sprite;
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//视频
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private Image video_preview_panel;
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//private TextMeshProUGUI video_name_text;
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//private TextMeshProUGUI video_progress_text;
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//private CustomSlider video_progress_slider;
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//private Button video_play_button;
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//private Button video_stop_button;
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//private Button video_fast_forward_button;
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//private Button video_fast_rewind_button;
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//private Button video_close_button;
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private VideoPlayer video_player;
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private RectTransform video_player_rect;
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private CanvasGroup header_area_group;
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private bool is_video;
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// Start is called before the first frame update
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void Start()
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{
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video_player_rect = video_player.GetComponent<RectTransform>();
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header_area_group = header_area.GetComponent<CanvasGroup>();
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play_button.onClick.AddListener(OnPlay);
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stop_button.onClick.AddListener(OnStop);
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fast_forward_button.onClick.AddListener(OnFastForward);
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fast_rewind_button.onClick.AddListener(OnFastRewind);
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progress_slider.onValueStartChanged.AddListener(OnStartDragSlider);
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progress_slider.onValueChanged.AddListener(OnDragSlider);
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progress_slider.onValueEndChanged.AddListener(OnEndDragSlider);
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close_button.onClick.AddListener(OnPreviewPanelClose);
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zoom_button.onClick.AddListener(OnZoom);
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//视频播放结束事件
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video_player.loopPointReached += Video_player_loopPointReached;
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}
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// Update is called once per frame
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void Update()
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{
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UpdateProgress();
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}
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/// <summary>
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/// 播放、暂停
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/// </summary>
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void OnPlay()
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{
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if (is_video)
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{
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if (video_player != null)
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{
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if (video_player.isPlaying)
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{
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video_player.Pause();
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play_button.image.sprite = play_sprite;
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}
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else
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{
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video_player.Play();
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play_button.image.sprite = pause_sprite;
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}
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}
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}
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else
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{
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if (audio_source != null)
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{
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if (audio_source.isPlaying)
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{
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audio_source.Pause();
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play_button.image.sprite = play_sprite;
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}
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else
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{
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if (audio_source.time == 0)//播放结束后time为0，再次播放时值不是0，强制更新一下
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audio_source.time = 0;
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audio_source.Play();
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play_button.image.sprite = pause_sprite;
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}
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}
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}
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}
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/// <summary>
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/// 停止播放，进度条重置
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/// </summary>
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void OnStop()
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{
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if (is_video)
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{
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video_player?.Stop();
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if (video_player != null)
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video_player.frame = 0;
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play_button.image.sprite = play_sprite;
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}
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else
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{
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audio_source?.Pause();
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if (audio_source != null)
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audio_source.time = 0;
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play_button.image.sprite = play_sprite;
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}
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UpdateProgress(true);
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}
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/// <summary>
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/// 快进 默认5s
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/// </summary>
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void OnFastForward()
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{
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if (is_video)
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{
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if (video_player != null)
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{
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if (video_player.time != 0)
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video_player.time += 5;
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else
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{
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video_player.Pause();
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video_player.time = 5;
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}
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}
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}
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else
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{
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if (audio_source != null)
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{
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if (audio_source.time != 0)
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audio_source.time += 5;
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else
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{
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audio_source.Pause();
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audio_source.time = 5;
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}
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}
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}
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UpdateProgress(true);
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}
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/// <summary>
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/// 快退 默认5s
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/// </summary>
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void OnFastRewind()
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{
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if (is_video)
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{
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if (video_player != null)
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{
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if (video_player.time < 5)
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video_player.time = 0;
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else
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video_player.time -= 5;
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}
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}
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else
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{
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if (audio_source != null)
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{
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if (audio_source.time < 5)
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audio_source.time = 0;
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else
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audio_source.time -= 5;
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}
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}
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UpdateProgress(true);
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}
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/// <summary>
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/// 开始拖拽进度条
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/// </summary>
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void OnStartDragSlider()
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{
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if (is_video)
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{
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video_player?.Pause();
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}
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else
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{
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audio_source?.Pause();
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}
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}
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/// <summary>
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/// 拖拽进度条
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/// </summary>
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/// <param name="_value"></param>
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void OnDragSlider(float _value)
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{
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if (is_video)
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{
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if (video_player != null)
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video_player.time = _value * video_player.length;
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}
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else
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{
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if (audio_source != null)
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audio_source.time = _value * audio_source.clip.length;
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}
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}
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/// <summary>
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/// 结束拖拽进度条
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/// </summary>
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void OnEndDragSlider()
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{
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if (is_video)
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{
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video_player?.Play();
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}
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else
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{
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audio_source?.Play();
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}
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}
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/// <summary>
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/// 关闭预览面板
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/// </summary>
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void OnPreviewPanelClose()
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{
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if (is_video)
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{
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video_player?.Stop();
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video_player.targetTexture.Release();
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//video_player = null;
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}
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else
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{
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audio_source?.Stop();
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audio_source = null;
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}
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OnPopupEnd();
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}
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bool is_zoom_out;
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public float magnification = 2;
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public void OnZoom()
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{
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is_zoom_out = !is_zoom_out;
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zoom_button.image.sprite = is_zoom_out ? zoom_in_sprite : zoom_out_sprite;
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DOTween.To(() => video_player_rect.sizeDelta, (_size) => video_player_rect.sizeDelta = _size,
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is_zoom_out ? new Vector2(528, 297) * magnification : new Vector2(528, 297), 0.25f);
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//video_player_rect.sizeDelta = is_zoom_out ? new Vector2(528, 297) * magnification : new Vector2(528, 297);
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DOTween.To(() => operation_area.anchoredPosition, (_position) => operation_area.anchoredPosition = _position,
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is_zoom_out ? new Vector2(0, 195) : new Vector2(0, 260), 0.25f);
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header_area_group.interactable = !is_zoom_out;
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header_area_group.alpha = is_zoom_out ? 0 : 1;
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}
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/// <summary>
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/// 预览音频
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/// </summary>
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/// <param name="_file_name"></param>
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public void PreviewAudio(string _file_name)
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{
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//设置状态
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is_video = false;
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audio_preview_panel.gameObject.SetActive(true);
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video_preview_panel.gameObject.SetActive(false);
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play_button.image.sprite = pause_sprite;
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audio_source = MediaPlayer.Instance.audio_source;
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name_text.text = _file_name;
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//计算总时间
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clipHour = (int)audio_source.clip.length / 3600;
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clipMinute = (int)(audio_source.clip.length - clipHour * 3600) / 60;
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clipSecond = (int)(audio_source.clip.length - clipHour * 3600 - clipMinute * 60);
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audio_source.Play();
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//自适应UI位置
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header_area.anchoredPosition = new Vector2(0, -411);
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operation_area.anchoredPosition = new Vector2(0, 420);
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}
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/// <summary>
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/// 预览视频
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/// </summary>
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/// <param name="_file_name"></param>
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/// <param name="_url"></param>
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public void PreviewVideo(string _file_name, string _url)
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{
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//设置状态
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is_video = true;
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audio_preview_panel.gameObject.SetActive(false);
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video_preview_panel.gameObject.SetActive(true);
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play_button.image.sprite = pause_sprite;
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name_text.text = _file_name;
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video_player.url = _url;
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video_player.prepareCompleted += Video_player_prepareCompleted;
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video_player.Prepare();
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//自适应UI位置
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header_area.anchoredPosition = new Vector2(0, -245);
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operation_area.anchoredPosition = new Vector2(0, 260);
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}
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private void Video_player_loopPointReached(VideoPlayer source)
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{
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//播放完成后重置图标状态
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play_button.image.sprite = play_sprite;
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}
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private void Video_player_prepareCompleted(VideoPlayer source)
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{
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clipHour = (int)video_player.length / 3600;
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clipMinute = (int)(video_player.length - clipHour * 3600) / 60;
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clipSecond = (int)(video_player.length - clipHour * 3600 - clipMinute * 60);
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video_player.Play();
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}
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bool playing;
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private void UpdateProgress(bool _update_anyway = false)
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{
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if (!is_video)
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{
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if (_update_anyway || (audio_source != null && audio_source.isPlaying))
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{
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playing = true;
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//计算当前时间
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currentHour = (int)audio_source.time / 3600;
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currentMinute = (int)(audio_source.time - currentHour * 3600) / 60;
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currentSecond = (int)(audio_source.time - currentHour * 3600 - currentMinute * 60);
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progress_text.text = string.Format("{0:D2}:{1:D2}:{2:D2}/{3:D2}:{4:D2}:{5:D2}",
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currentHour, currentMinute, currentSecond, clipHour, clipMinute, clipSecond);
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//audio_progress_slider.value = audio_source.time / audio_source.clip.length;
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progress_slider.SetValueWithoutNotify(audio_source.time / audio_source.clip.length);
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}
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//播放结束后会自动停止，更新播放图标状态
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if (playing && audio_source != null)
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{
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play_button.image.sprite = audio_source.isPlaying ? pause_sprite : play_sprite;
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}
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}
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else
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{
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if (_update_anyway || (video_player != null && video_player.isPlaying))
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{
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//计算当前时间
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currentHour = (int)video_player.time / 3600;
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currentMinute = (int)(video_player.time - currentHour * 3600) / 60;
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currentSecond = (int)(video_player.time - currentHour * 3600 - currentMinute * 60);
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progress_text.text = string.Format("{0:D2}:{1:D2}:{2:D2}/{3:D2}:{4:D2}:{5:D2}",
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currentHour, currentMinute, currentSecond, clipHour, clipMinute, clipSecond);
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//audio_progress_slider.value = audio_source.time / audio_source.clip.length;
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if (video_player.frame == -1)
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{
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progress_slider.SetValueWithoutNotify(0);
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}
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else
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{
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var _progress = (float)(video_player.time / video_player.length);
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progress_slider.SetValueWithoutNotify(_progress < 0 ? 0 : _progress);
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}
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}
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}
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}
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}
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