flykhan
/
qtmplayer
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

修改初始歌曲，修改音量控制内容

This commit is contained in:
flykhan 2023-08-31 15:03:28 +08:00
parent cc43a876f5
commit 42a4be7a34
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
mainwindow.cpp
View File

@ -85,7 +85,7 @@ void MainWindow::mplayerInit()
dup2(fd[1], 1); dup2(fd[1], 1);
// 使用 exec 启动 mplayer // 使用 exec 启动 mplayer
// execlp("mplayer","mplayer","-idle","-slave","-quiet","/home/flykhan/qtmplayer/song/StopLove.mp3",NULL); // execlp("mplayer","mplayer","-idle","-slave","-quiet","/home/flykhan/qtmplayer/song/StopLove.mp3",NULL);
execlp("/usr/bin/mplayer","mplayer","-idle","-slave","-quiet","-input","file=fifo_cmd","/home/flykhan/qtmplayer/song/StopLove.mp3",NULL); execlp("/usr/bin/mplayer","mplayer","-idle","-slave","-quiet","-input","file=fifo_cmd","/home/flykhan/qtmplayer/song/Diamonds.mp3",NULL);
_exit(-1); // 异常退出 _exit(-1); // 异常退出
} }
else if(pid>0) // 父进程 else if(pid>0) // 父进程
@ -307,7 +307,7 @@ void MainWindow::player_rewind_or_forward(int seconds)
void MainWindow::volume_control(int value) void MainWindow::volume_control(int value)
{ {
char changeSongBuf[128] = ""; char changeSongBuf[128] = "";
int len = sprintf(changeSongBuf, "volume %d 1\n", value); // 音量调整到 value 大小 int len = sprintf(changeSongBuf, "volume %d\n", value); // 音量调整到 value 大小
write(this->fifo_fd, changeSongBuf, len); // 将音量控制指令写入到有名管道中 write(this->fifo_fd, changeSongBuf, len); // 将音量控制指令写入到有名管道中
} }
@ -332,24 +332,24 @@ void MainWindow::on_mute_btn_clicked()
{ {
if(mute_flag == 0) // 没静音则按下后设置静音 if(mute_flag == 0) // 没静音则按下后设置静音
{ {
ui->play_btn->setIcon(QIcon(":/icon/mute2")); ui->mute_btn->setIcon(QIcon(":/icon/mute1"));
// volume_mute_switch(1); // volume_mute_switch(1);
// mute_flag = 1; // mute_flag = 1;
volume_mute_switch(++mute_flag); volume_mute_switch(++mute_flag);
} }
else if (mute_flag == 1) // 已静音则按下后取消静音 else if (mute_flag == 1) // 已静音则按下后取消静音
{ {
ui->play_btn->setIcon(QIcon(":/icon/mute1")); ui->mute_btn->setIcon(QIcon(":/icon/mute2"));
volume_mute_switch(--mute_flag); volume_mute_switch(--mute_flag);
} }
} }
void MainWindow::on_volume_down_btn_clicked() void MainWindow::on_volume_down_btn_clicked()
{ {
volume_control(-5); // 减 5 音量 volume_control(-10); // 减 10 音量
} }
void MainWindow::on_volume_up_btn_clicked() void MainWindow::on_volume_up_btn_clicked()
{ {
volume_control(5); // 加 5 音量 volume_control(10); // 加 10 音量
} }