Method and device for generating video file, computer apparatus, and storage medium

A method for generating a video file, comprising:

• obtaining a video-recording instruction, and recording a current picture on a recording interface based on the video-recording instruction;
• and
• scanning an audio stream broadcasted to a predetermined channel by an audio device;
• and
• in response to the scanned audio stream meeting a predetermined condition, determining the scanned audio stream to be a target audio stream, and displaying prompt information on the recording interface;
• and
• in response to receiving an operation of selecting the target audio stream based on the prompt information, combining the selected target audio stream with the recorded current picture to obtain a video file,
• wherein said combining the selected target audio stream with the recorded current picture to obtain a video file comprises:
• changing a predetermined audio-input mode to a streaming-video mode;
• and
• obtaining a video file by encoding the selected target audio stream and the recorded current picture under the streaming-video mode.