feat:新增单条预览的功能

constant.py

@@ -15,6 +15,7 @@ class Aside:
     ActivateColumns = [3,4]
     ObjectName = "pb_tableWidget"
     TimeFormatColumns = [0,1]
+    PreviewColumnNumber = 5
 
 class Subtitle:
     ObjectName = "zm_tableWidget"

main_window.py

@@ -5,8 +5,8 @@ import cv2
 
 import qtawesome
 from PyQt5 import QtWidgets
-from PyQt5.QtWidgets import QMainWindow, QFileDialog, QTableWidget, QTableWidgetItem, QAbstractItemView, QProgressBar, QLabel, QApplication
-from PyQt5.QtCore import QUrl, Qt, QTimer, QRect, pyqtSignal
+from PyQt5.QtWidgets import QMainWindow, QFileDialog, QTableWidget, QTableWidgetItem, QAbstractItemView, QProgressBar, QLabel, QApplication, QPushButton
+from PyQt5.QtCore import QUrl, Qt, QTimer, QRect, pyqtSignal, QPersistentModelIndex
 from PyQt5.QtMultimedia import *
 from PyQt5.QtGui import QIcon
 import utils
@@ -711,6 +711,7 @@ class MainWindow(QMainWindow, Ui_MainWindow):
         user_operation=True的情况：用户双击操作表格，通过【操作表格】进行增删改，通过【在此处添加旁白】来添加一行
         initial_ing为true时，不会生成音频，不会写入历史记录
         """
+        print("set一次")
         if not user_operation:
             self.projectContext.initial_ing = True
         subtitle_list = self.projectContext.subtitle_list
@@ -757,6 +758,12 @@ class MainWindow(QMainWindow, Ui_MainWindow):
         if table.objectName() == constant.Aside.ObjectName:
             elem_list = elem.to_aside_list()
             time_format_col_list = constant.Aside.TimeFormatColumns
+            btn = QPushButton()
+            btn.setText(f"预览{idx}")
+            col = len(elem_list)
+            btn.clicked.connect(self.btn_pressed_preview_audio_slot)
+            table.setCellWidget(idx, col, btn)
+
 
         for j in range(len(elem_list)):
             text = elem_list[j]
@@ -773,6 +780,43 @@ class MainWindow(QMainWindow, Ui_MainWindow):
 
     # 只有Content页的字幕列和 Aside页的字幕列 可编辑
 
+
+    def btn_pressed_preview_audio_slot(self):
+        btn = self.sender()
+        # 法1：按照物理位置。这样的结果不太对
+        # index = self.pb_tableWidget.indexAt(btn.pos())
+        # print("index:", index.row())
+        # 法2：遍历所有button，比较是否是同一对象。注意sender不能强转成btn类型，这样就变成新对象了
+        idx = 0
+        for i in range(self.pb_tableWidget.rowCount()):
+            if id(self.pb_tableWidget.cellWidget(i, constant.Aside.PreviewColumnNumber)) == id(btn):
+                idx = i
+                break
+        item = self.pb_tableWidget.item(idx, 0)
+        print("当前起始时间：", item.text())
+        print("index:", idx)
+        audio_path = None
+        pos_sec = utils.trans_to_seconds(item.text())
+        for i in range(len(self.projectContext.aside_list) - 1, -1, -1):
+            # print(f"pos_sec:{pos_sec}, st_time_sec:{float(self.projectContext.aside_list[i].st_time_sec)}")
+            if pos_sec >= float(self.projectContext.aside_list[i].st_time_sec):
+                audio_path = os.path.dirname(self.projectContext.excel_path) + (
+                        "/tmp/%.2f.wav" % float(self.projectContext.aside_list[i].st_time_sec))
+                break
+        # 2、如果找到了该音频，则新起一个线程播放
+        if audio_path != None and os.path.exists(audio_path):
+            t = RunThread(funcName=self.play_audio,
+                          args=(audio_path, self.previewed_audio),
+                          name="play_audio")
+            t.start()
+            self.all_threads.append(t)
+            self.player.setPosition(int(pos_sec*1000))
+            # 做播放视频的操作，绑定播放按钮的变化
+            self.is_video_playing = False
+            self.playVideo()
+        else:
+            self.prompt_dialog.show_with_msg("暂无音频可供预览，请重新生成")
+
     def checkIfTableItemCanChange(self, table: QTableWidget, i: int, j: int):
         # if table.objectName() == self.all_tableWidget.objectName() and j in constant.Content.ActivateColumns:
         #     return True

management.py

@@ -121,10 +121,10 @@ class ProjectContext:
         self.speaker_speed = None
         # 一些常量
         self.header = ["起始时间", "终止时间", "字幕", '建议', '解说脚本', "语速"]
-        self.aside_header = ["起始时间", "终止时间", '推荐插入字数', '解说脚本',"语速", ""]
-        self.subtitle_header = ["起始时间", "终止时间", "字幕", ""]
+        self.aside_header = ["起始时间", "终止时间", '推荐插入字数', '解说脚本',"语速", "预览音频"]
+        self.subtitle_header = ["起始时间", "终止时间", "字幕"]
 
-        self.contentHeader = ["起始时间", "字幕", "解说脚本", "语速", ""]
+        self.contentHeader = ["起始时间", "字幕", "解说脚本", "语速"]
         self.excel_sheet_name = "旁白插入位置建议"
         self.history_records = []
         self.records_pos = 0