Multimedia apparatus and cast method

A cast method for a display apparatus, comprising:

• during a cast process between the display apparatus and a plurality of devices, determining a target device from the plurality of devices, storing audio data sent from the target device in an audio buffer of the display apparatus and discard audio data sent from other devices in the plurality of devices except the target device, and storing video data sent from the plurality of devices in video buffers corresponding to the plurality of devices, wherein a video buffer of the video buffers is assigned to a device of the plurality of devices;
• displaying at least one path of video data in at least one video buffer of the video buffers on a display of the display apparatus;
• and
• playing the audio data in the audio buffer.