摘要： ffmpeg 文档中这样描述got_picture_ptr Zero if no frame could be decompressed, otherwise, it is nonzero.ask :(ffmpeg avcodec_decode_video) what does the value got_picture_ptr mean ,i found it is a random num after function avcodec_decode_video()answer;for almost codecs:*got_picture_ptr = sizeof(AVFrame);It i 阅读全文