Error Code Description

• 0: no error
• -1: Unknown error. The audio frame pts is abnormal or the library function call of ffmpeg fails, for example, the av_seek_frame call fails.
• -2: Memory exception error
• -3: Abnormal resource error, such as ffmpeg object resource apply failure.
• -4: I/O error
• -5: encoding error
• -6: frame data conversion error
• -7: Write video frame error
• -8: Error writing audio frame
• -9: Write filter frame error, special effect addition failed.
• -10: Write video frame error, the number of video frame writing exceeds the limit.